aboutsummaryrefslogtreecommitdiff
path: root/gcc/libgcc2.c
blob: 3d95afa99ca0bd61750213e9ba3ef9066749fcf2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
/* More subroutines needed by GCC output code on some machines.  */
/* Compile this one with gcc.  */
/* Copyright (C) 1989, 92, 93, 94, 95, 96, 97, 98, 1999, 2000
   Free Software Foundation, Inc.

This file is part of GNU CC.

GNU CC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

In addition to the permissions in the GNU General Public License, the
Free Software Foundation gives you unlimited permission to link the
compiled version of this file into combinations with other programs,
and to distribute those combinations without any restriction coming
from the use of this file.  (The General Public License restrictions
do apply in other respects; for example, they cover modification of
the file, and distribution when not linked into a combine
executable.)

GNU CC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU CC; see the file COPYING.  If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.  */

/* It is incorrect to include config.h here, because this file is being
   compiled for the target, and hence definitions concerning only the host
   do not apply.  */

#include "tconfig.h"
#include "tsystem.h"

#include "machmode.h"
#include "defaults.h" 

/* Don't use `fancy_abort' here even if config.h says to use it.  */
#ifdef abort
#undef abort
#endif

#include "libgcc2.h"

#if defined (L_negdi2) || defined (L_divdi3) || defined (L_moddi3)
#if defined (L_divdi3) || defined (L_moddi3)
static inline
#endif
DWtype
__negdi2 (DWtype u)
{
  DWunion w;
  DWunion uu;

  uu.ll = u;

  w.s.low = -uu.s.low;
  w.s.high = -uu.s.high - ((UWtype) w.s.low > 0);

  return w.ll;
}
#endif

#ifdef L_addvsi3
SItype
__addvsi3 (SItype a, SItype b)
{
  SItype w;

  w = a + b;

  if (b >= 0 ? w < a : w > a)
    abort ();

  return w;
} 
#endif

#ifdef L_addvdi3
DItype
__addvdi3 (DItype a, DItype b)
{
  DItype w;

  w = a + b;

  if (b >= 0 ? w < a : w > a)
    abort ();

  return w;
}
#endif

#ifdef L_subvsi3
SItype
__subvsi3 (SItype a, SItype b)
{
#ifdef L_addvsi3
  return __addvsi3 (a, (-b));
#else
  DItype w;

  w = a - b;

  if (b >= 0 ? w > a : w < a)
    abort ();

  return w;
#endif
}
#endif

#ifdef L_subvdi3
DItype
__subvdi3 (DItype a, DItype b)
{
#ifdef L_addvdi3
  return (a, (-b));
#else
  DItype w;

  w = a - b;

  if (b >= 0 ? w > a : w < a)
    abort ();

  return w;
#endif
}
#endif

#ifdef L_mulvsi3
SItype
__mulvsi3 (SItype a, SItype b)
{
  DItype w;

  w = a * b;

  if (((a >= 0) == (b >= 0)) ? w < 0 : w > 0)
    abort ();

  return w;
}
#endif

#ifdef L_negvsi2
SItype
__negvsi2 (SItype a)
{
   SItype w;

   w  = -a;

  if (a >= 0 ? w > 0 : w < 0)
    abort ();

   return w;
}
#endif

#ifdef L_negvdi2
DItype
__negvdi2 (DItype a)
{
   DItype w;

   w  = -a;

  if (a >= 0 ? w > 0 : w < 0)
    abort ();

   return w;
}
#endif

#ifdef L_absvsi2
SItype
__absvsi2 (SItype a)
{
   SItype w = a;

   if (a < 0)
#ifdef L_negvsi2
     w = __negvsi2 (a);
#else
     w = -a;

   if (w < 0)
     abort ();
#endif

   return w;
}
#endif

#ifdef L_absvdi2
DItype
__absvdi2 (DItype a)
{
   DItype w = a;

   if (a < 0)
#ifdef L_negvsi2
     w = __negvsi2 (a);
#else
     w = -a;

   if (w < 0)
     abort ();
#endif

   return w;
}
#endif

#ifdef L_mulvdi3
DItype
__mulvdi3 (DItype u, DItype v)
{
   DItype w;

  w = u * v;

  if (((u >= 0) == (v >= 0)) ? w < 0 : w > 0)
    abort ();

  return w;
}
#endif


/* Unless shift functions are defined whith full ANSI prototypes,
   parameter b will be promoted to int if word_type is smaller than an int.  */
#ifdef L_lshrdi3
DWtype
__lshrdi3 (DWtype u, word_type b)
{
  DWunion w;
  word_type bm;
  DWunion uu;

  if (b == 0)
    return u;

  uu.ll = u;

  bm = (sizeof (Wtype) * BITS_PER_UNIT) - b;
  if (bm <= 0)
    {
      w.s.high = 0;
      w.s.low = (UWtype) uu.s.high >> -bm;
    }
  else
    {
      UWtype carries = (UWtype) uu.s.high << bm;

      w.s.high = (UWtype) uu.s.high >> b;
      w.s.low = ((UWtype) uu.s.low >> b) | carries;
    }

  return w.ll;
}
#endif

#ifdef L_ashldi3
DWtype
__ashldi3 (DWtype u, word_type b)
{
  DWunion w;
  word_type bm;
  DWunion uu;

  if (b == 0)
    return u;

  uu.ll = u;

  bm = (sizeof (Wtype) * BITS_PER_UNIT) - b;
  if (bm <= 0)
    {
      w.s.low = 0;
      w.s.high = (UWtype) uu.s.low << -bm;
    }
  else
    {
      UWtype carries = (UWtype) uu.s.low >> bm;

      w.s.low = (UWtype) uu.s.low << b;
      w.s.high = ((UWtype) uu.s.high << b) | carries;
    }

  return w.ll;
}
#endif

#ifdef L_ashrdi3
DWtype
__ashrdi3 (DWtype u, word_type b)
{
  DWunion w;
  word_type bm;
  DWunion uu;

  if (b == 0)
    return u;

  uu.ll = u;

  bm = (sizeof (Wtype) * BITS_PER_UNIT) - b;
  if (bm <= 0)
    {
      /* w.s.high = 1..1 or 0..0 */
      w.s.high = uu.s.high >> (sizeof (Wtype) * BITS_PER_UNIT - 1);
      w.s.low = uu.s.high >> -bm;
    }
  else
    {
      UWtype carries = (UWtype) uu.s.high << bm;

      w.s.high = uu.s.high >> b;
      w.s.low = ((UWtype) uu.s.low >> b) | carries;
    }

  return w.ll;
}
#endif

#ifdef L_ffsdi2
DWtype
__ffsdi2 (DWtype u)
{
  DWunion uu;
  UWtype word, count, add;

  uu.ll = u;
  if (uu.s.low != 0)
    word = uu.s.low, add = 0;
  else if (uu.s.high != 0)
    word = uu.s.high, add = BITS_PER_UNIT * sizeof (Wtype);
  else
    return 0;

  count_trailing_zeros (count, word);
  return count + add + 1;
}
#endif

#ifdef L_muldi3
DWtype
__muldi3 (DWtype u, DWtype v)
{
  DWunion w;
  DWunion uu, vv;

  uu.ll = u,
  vv.ll = v;

  w.ll = __umulsidi3 (uu.s.low, vv.s.low);
  w.s.high += ((UWtype) uu.s.low * (UWtype) vv.s.high
	       + (UWtype) uu.s.high * (UWtype) vv.s.low);

  return w.ll;
}
#endif

#ifdef L_udiv_w_sdiv
#if defined (sdiv_qrnnd)
UWtype
__udiv_w_sdiv (UWtype *rp, UWtype a1, UWtype a0, UWtype d)
{
  UWtype q, r;
  UWtype c0, c1, b1;

  if ((Wtype) d >= 0)
    {
      if (a1 < d - a1 - (a0 >> (W_TYPE_SIZE - 1)))
	{
	  /* dividend, divisor, and quotient are nonnegative */
	  sdiv_qrnnd (q, r, a1, a0, d);
	}
      else
	{
	  /* Compute c1*2^32 + c0 = a1*2^32 + a0 - 2^31*d */
	  sub_ddmmss (c1, c0, a1, a0, d >> 1, d << (W_TYPE_SIZE - 1));
	  /* Divide (c1*2^32 + c0) by d */
	  sdiv_qrnnd (q, r, c1, c0, d);
	  /* Add 2^31 to quotient */
	  q += (UWtype) 1 << (W_TYPE_SIZE - 1);
	}
    }
  else
    {
      b1 = d >> 1;			/* d/2, between 2^30 and 2^31 - 1 */
      c1 = a1 >> 1;			/* A/2 */
      c0 = (a1 << (W_TYPE_SIZE - 1)) + (a0 >> 1);

      if (a1 < b1)			/* A < 2^32*b1, so A/2 < 2^31*b1 */
	{
	  sdiv_qrnnd (q, r, c1, c0, b1); /* (A/2) / (d/2) */

	  r = 2*r + (a0 & 1);		/* Remainder from A/(2*b1) */
	  if ((d & 1) != 0)
	    {
	      if (r >= q)
		r = r - q;
	      else if (q - r <= d)
		{
		  r = r - q + d;
		  q--;
		}
	      else
		{
		  r = r - q + 2*d;
		  q -= 2;
		}
	    }
	}
      else if (c1 < b1)			/* So 2^31 <= (A/2)/b1 < 2^32 */
	{
	  c1 = (b1 - 1) - c1;
	  c0 = ~c0;			/* logical NOT */

	  sdiv_qrnnd (q, r, c1, c0, b1); /* (A/2) / (d/2) */

	  q = ~q;			/* (A/2)/b1 */
	  r = (b1 - 1) - r;

	  r = 2*r + (a0 & 1);		/* A/(2*b1) */

	  if ((d & 1) != 0)
	    {
	      if (r >= q)
		r = r - q;
	      else if (q - r <= d)
		{
		  r = r - q + d;
		  q--;
		}
	      else
		{
		  r = r - q + 2*d;
		  q -= 2;
		}
	    }
	}
      else				/* Implies c1 = b1 */
	{				/* Hence a1 = d - 1 = 2*b1 - 1 */
	  if (a0 >= -d)
	    {
	      q = -1;
	      r = a0 + d;
	    }
	  else
	    {
	      q = -2;
	      r = a0 + 2*d;
	    }
	}
    }

  *rp = r;
  return q;
}
#else
/* If sdiv_qrnnd doesn't exist, define dummy __udiv_w_sdiv.  */
UWtype
__udiv_w_sdiv (UWtype *rp __attribute__ ((__unused__)),
	       UWtype a1 __attribute__ ((__unused__)),
	       UWtype a0 __attribute__ ((__unused__)),
	       UWtype d __attribute__ ((__unused__)))
{
  return 0;
}
#endif
#endif

#if (defined (L_udivdi3) || defined (L_divdi3) || \
     defined (L_umoddi3) || defined (L_moddi3))
#define L_udivmoddi4
#endif

#ifdef L_clz
const UQItype __clz_tab[] =
{
  0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
  6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
  7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
  7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
  8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
  8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
  8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
  8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
};
#endif

#ifdef L_udivmoddi4

#if (defined (L_udivdi3) || defined (L_divdi3) || \
     defined (L_umoddi3) || defined (L_moddi3))
static inline
#endif
UDWtype
__udivmoddi4 (UDWtype n, UDWtype d, UDWtype *rp)
{
  DWunion ww;
  DWunion nn, dd;
  DWunion rr;
  UWtype d0, d1, n0, n1, n2;
  UWtype q0, q1;
  UWtype b, bm;

  nn.ll = n;
  dd.ll = d;

  d0 = dd.s.low;
  d1 = dd.s.high;
  n0 = nn.s.low;
  n1 = nn.s.high;

#if !UDIV_NEEDS_NORMALIZATION
  if (d1 == 0)
    {
      if (d0 > n1)
	{
	  /* 0q = nn / 0D */

	  udiv_qrnnd (q0, n0, n1, n0, d0);
	  q1 = 0;

	  /* Remainder in n0.  */
	}
      else
	{
	  /* qq = NN / 0d */

	  if (d0 == 0)
	    d0 = 1 / d0;	/* Divide intentionally by zero.  */

	  udiv_qrnnd (q1, n1, 0, n1, d0);
	  udiv_qrnnd (q0, n0, n1, n0, d0);

	  /* Remainder in n0.  */
	}

      if (rp != 0)
	{
	  rr.s.low = n0;
	  rr.s.high = 0;
	  *rp = rr.ll;
	}
    }

#else /* UDIV_NEEDS_NORMALIZATION */

  if (d1 == 0)
    {
      if (d0 > n1)
	{
	  /* 0q = nn / 0D */

	  count_leading_zeros (bm, d0);

	  if (bm != 0)
	    {
	      /* Normalize, i.e. make the most significant bit of the
		 denominator set.  */

	      d0 = d0 << bm;
	      n1 = (n1 << bm) | (n0 >> (W_TYPE_SIZE - bm));
	      n0 = n0 << bm;
	    }

	  udiv_qrnnd (q0, n0, n1, n0, d0);
	  q1 = 0;

	  /* Remainder in n0 >> bm.  */
	}
      else
	{
	  /* qq = NN / 0d */

	  if (d0 == 0)
	    d0 = 1 / d0;	/* Divide intentionally by zero.  */

	  count_leading_zeros (bm, d0);

	  if (bm == 0)
	    {
	      /* From (n1 >= d0) /\ (the most significant bit of d0 is set),
		 conclude (the most significant bit of n1 is set) /\ (the
		 leading quotient digit q1 = 1).

		 This special case is necessary, not an optimization.
		 (Shifts counts of W_TYPE_SIZE are undefined.)  */

	      n1 -= d0;
	      q1 = 1;
	    }
	  else
	    {
	      /* Normalize.  */

	      b = W_TYPE_SIZE - bm;

	      d0 = d0 << bm;
	      n2 = n1 >> b;
	      n1 = (n1 << bm) | (n0 >> b);
	      n0 = n0 << bm;

	      udiv_qrnnd (q1, n1, n2, n1, d0);
	    }

	  /* n1 != d0...  */

	  udiv_qrnnd (q0, n0, n1, n0, d0);

	  /* Remainder in n0 >> bm.  */
	}

      if (rp != 0)
	{
	  rr.s.low = n0 >> bm;
	  rr.s.high = 0;
	  *rp = rr.ll;
	}
    }
#endif /* UDIV_NEEDS_NORMALIZATION */

  else
    {
      if (d1 > n1)
	{
	  /* 00 = nn / DD */

	  q0 = 0;
	  q1 = 0;

	  /* Remainder in n1n0.  */
	  if (rp != 0)
	    {
	      rr.s.low = n0;
	      rr.s.high = n1;
	      *rp = rr.ll;
	    }
	}
      else
	{
	  /* 0q = NN / dd */

	  count_leading_zeros (bm, d1);
	  if (bm == 0)
	    {
	      /* From (n1 >= d1) /\ (the most significant bit of d1 is set),
		 conclude (the most significant bit of n1 is set) /\ (the
		 quotient digit q0 = 0 or 1).

		 This special case is necessary, not an optimization.  */

	      /* The condition on the next line takes advantage of that
		 n1 >= d1 (true due to program flow).  */
	      if (n1 > d1 || n0 >= d0)
		{
		  q0 = 1;
		  sub_ddmmss (n1, n0, n1, n0, d1, d0);
		}
	      else
		q0 = 0;

	      q1 = 0;

	      if (rp != 0)
		{
		  rr.s.low = n0;
		  rr.s.high = n1;
		  *rp = rr.ll;
		}
	    }
	  else
	    {
	      UWtype m1, m0;
	      /* Normalize.  */

	      b = W_TYPE_SIZE - bm;

	      d1 = (d1 << bm) | (d0 >> b);
	      d0 = d0 << bm;
	      n2 = n1 >> b;
	      n1 = (n1 << bm) | (n0 >> b);
	      n0 = n0 << bm;

	      udiv_qrnnd (q0, n1, n2, n1, d1);
	      umul_ppmm (m1, m0, q0, d0);

	      if (m1 > n1 || (m1 == n1 && m0 > n0))
		{
		  q0--;
		  sub_ddmmss (m1, m0, m1, m0, d1, d0);
		}

	      q1 = 0;

	      /* Remainder in (n1n0 - m1m0) >> bm.  */
	      if (rp != 0)
		{
		  sub_ddmmss (n1, n0, n1, n0, m1, m0);
		  rr.s.low = (n1 << b) | (n0 >> bm);
		  rr.s.high = n1 >> bm;
		  *rp = rr.ll;
		}
	    }
	}
    }

  ww.s.low = q0;
  ww.s.high = q1;
  return ww.ll;
}
#endif

#ifdef L_divdi3
DWtype
__divdi3 (DWtype u, DWtype v)
{
  word_type c = 0;
  DWunion uu, vv;
  DWtype w;

  uu.ll = u;
  vv.ll = v;

  if (uu.s.high < 0)
    c = ~c,
    uu.ll = __negdi2 (uu.ll);
  if (vv.s.high < 0)
    c = ~c,
    vv.ll = __negdi2 (vv.ll);

  w = __udivmoddi4 (uu.ll, vv.ll, (UDWtype *) 0);
  if (c)
    w = __negdi2 (w);

  return w;
}
#endif

#ifdef L_moddi3
DWtype
__moddi3 (DWtype u, DWtype v)
{
  word_type c = 0;
  DWunion uu, vv;
  DWtype w;

  uu.ll = u;
  vv.ll = v;

  if (uu.s.high < 0)
    c = ~c,
    uu.ll = __negdi2 (uu.ll);
  if (vv.s.high < 0)
    vv.ll = __negdi2 (vv.ll);

  (void) __udivmoddi4 (uu.ll, vv.ll, &w);
  if (c)
    w = __negdi2 (w);

  return w;
}
#endif

#ifdef L_umoddi3
UDWtype
__umoddi3 (UDWtype u, UDWtype v)
{
  UDWtype w;

  (void) __udivmoddi4 (u, v, &w);

  return w;
}
#endif

#ifdef L_udivdi3
UDWtype
__udivdi3 (UDWtype n, UDWtype d)
{
  return __udivmoddi4 (n, d, (UDWtype *) 0);
}
#endif

#ifdef L_cmpdi2
word_type
__cmpdi2 (DWtype a, DWtype b)
{
  DWunion au, bu;

  au.ll = a, bu.ll = b;

  if (au.s.high < bu.s.high)
    return 0;
  else if (au.s.high > bu.s.high)
    return 2;
  if ((UWtype) au.s.low < (UWtype) bu.s.low)
    return 0;
  else if ((UWtype) au.s.low > (UWtype) bu.s.low)
    return 2;
  return 1;
}
#endif

#ifdef L_ucmpdi2
word_type
__ucmpdi2 (DWtype a, DWtype b)
{
  DWunion au, bu;

  au.ll = a, bu.ll = b;

  if ((UWtype) au.s.high < (UWtype) bu.s.high)
    return 0;
  else if ((UWtype) au.s.high > (UWtype) bu.s.high)
    return 2;
  if ((UWtype) au.s.low < (UWtype) bu.s.low)
    return 0;
  else if ((UWtype) au.s.low > (UWtype) bu.s.low)
    return 2;
  return 1;
}
#endif

#if defined(L_fixunstfdi) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128)
#define WORD_SIZE (sizeof (Wtype) * BITS_PER_UNIT)
#define HIGH_WORD_COEFF (((UDWtype) 1) << WORD_SIZE)

DWtype
__fixunstfDI (TFtype a)
{
  TFtype b;
  UDWtype v;

  if (a < 0)
    return 0;

  /* Compute high word of result, as a flonum.  */
  b = (a / HIGH_WORD_COEFF);
  /* Convert that to fixed (but not to DWtype!),
     and shift it into the high word.  */
  v = (UWtype) b;
  v <<= WORD_SIZE;
  /* Remove high part from the TFtype, leaving the low part as flonum.  */
  a -= (TFtype)v;
  /* Convert that to fixed (but not to DWtype!) and add it in.
     Sometimes A comes out negative.  This is significant, since
     A has more bits than a long int does.  */
  if (a < 0)
    v -= (UWtype) (- a);
  else
    v += (UWtype) a;
  return v;
}
#endif

#if defined(L_fixtfdi) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128)
DWtype
__fixtfdi (TFtype a)
{
  if (a < 0)
    return - __fixunstfDI (-a);
  return __fixunstfDI (a);
}
#endif

#if defined(L_fixunsxfdi) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96)
#define WORD_SIZE (sizeof (Wtype) * BITS_PER_UNIT)
#define HIGH_WORD_COEFF (((UDWtype) 1) << WORD_SIZE)

DWtype
__fixunsxfDI (XFtype a)
{
  XFtype b;
  UDWtype v;

  if (a < 0)
    return 0;

  /* Compute high word of result, as a flonum.  */
  b = (a / HIGH_WORD_COEFF);
  /* Convert that to fixed (but not to DWtype!),
     and shift it into the high word.  */
  v = (UWtype) b;
  v <<= WORD_SIZE;
  /* Remove high part from the XFtype, leaving the low part as flonum.  */
  a -= (XFtype)v;
  /* Convert that to fixed (but not to DWtype!) and add it in.
     Sometimes A comes out negative.  This is significant, since
     A has more bits than a long int does.  */
  if (a < 0)
    v -= (UWtype) (- a);
  else
    v += (UWtype) a;
  return v;
}
#endif

#if defined(L_fixxfdi) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96)
DWtype
__fixxfdi (XFtype a)
{
  if (a < 0)
    return - __fixunsxfDI (-a);
  return __fixunsxfDI (a);
}
#endif

#ifdef L_fixunsdfdi
#define WORD_SIZE (sizeof (Wtype) * BITS_PER_UNIT)
#define HIGH_WORD_COEFF (((UDWtype) 1) << WORD_SIZE)

DWtype
__fixunsdfDI (DFtype a)
{
  DFtype b;
  UDWtype v;

  if (a < 0)
    return 0;

  /* Compute high word of result, as a flonum.  */
  b = (a / HIGH_WORD_COEFF);
  /* Convert that to fixed (but not to DWtype!),
     and shift it into the high word.  */
  v = (UWtype) b;
  v <<= WORD_SIZE;
  /* Remove high part from the DFtype, leaving the low part as flonum.  */
  a -= (DFtype)v;
  /* Convert that to fixed (but not to DWtype!) and add it in.
     Sometimes A comes out negative.  This is significant, since
     A has more bits than a long int does.  */
  if (a < 0)
    v -= (UWtype) (- a);
  else
    v += (UWtype) a;
  return v;
}
#endif

#ifdef L_fixdfdi
DWtype
__fixdfdi (DFtype a)
{
  if (a < 0)
    return - __fixunsdfDI (-a);
  return __fixunsdfDI (a);
}
#endif

#ifdef L_fixunssfdi
#define WORD_SIZE (sizeof (Wtype) * BITS_PER_UNIT)
#define HIGH_WORD_COEFF (((UDWtype) 1) << WORD_SIZE)

DWtype
__fixunssfDI (SFtype original_a)
{
  /* Convert the SFtype to a DFtype, because that is surely not going
     to lose any bits.  Some day someone else can write a faster version
     that avoids converting to DFtype, and verify it really works right.  */
  DFtype a = original_a;
  DFtype b;
  UDWtype v;

  if (a < 0)
    return 0;

  /* Compute high word of result, as a flonum.  */
  b = (a / HIGH_WORD_COEFF);
  /* Convert that to fixed (but not to DWtype!),
     and shift it into the high word.  */
  v = (UWtype) b;
  v <<= WORD_SIZE;
  /* Remove high part from the DFtype, leaving the low part as flonum.  */
  a -= (DFtype) v;
  /* Convert that to fixed (but not to DWtype!) and add it in.
     Sometimes A comes out negative.  This is significant, since
     A has more bits than a long int does.  */
  if (a < 0)
    v -= (UWtype) (- a);
  else
    v += (UWtype) a;
  return v;
}
#endif

#ifdef L_fixsfdi
DWtype
__fixsfdi (SFtype a)
{
  if (a < 0)
    return - __fixunssfDI (-a);
  return __fixunssfDI (a);
}
#endif

#if defined(L_floatdixf) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96)
#define WORD_SIZE (sizeof (Wtype) * BITS_PER_UNIT)
#define HIGH_HALFWORD_COEFF (((UDWtype) 1) << (WORD_SIZE / 2))
#define HIGH_WORD_COEFF (((UDWtype) 1) << WORD_SIZE)

XFtype
__floatdixf (DWtype u)
{
  XFtype d;

  d = (Wtype) (u >> WORD_SIZE);
  d *= HIGH_HALFWORD_COEFF;
  d *= HIGH_HALFWORD_COEFF;
  d += (UWtype) (u & (HIGH_WORD_COEFF - 1));

  return d;
}
#endif

#if defined(L_floatditf) && (LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 128)
#define WORD_SIZE (sizeof (Wtype) * BITS_PER_UNIT)
#define HIGH_HALFWORD_COEFF (((UDWtype) 1) << (WORD_SIZE / 2))
#define HIGH_WORD_COEFF (((UDWtype) 1) << WORD_SIZE)

TFtype
__floatditf (DWtype u)
{
  TFtype d;

  d = (Wtype) (u >> WORD_SIZE);
  d *= HIGH_HALFWORD_COEFF;
  d *= HIGH_HALFWORD_COEFF;
  d += (UWtype) (u & (HIGH_WORD_COEFF - 1));

  return d;
}
#endif

#ifdef L_floatdidf
#define WORD_SIZE (sizeof (Wtype) * BITS_PER_UNIT)
#define HIGH_HALFWORD_COEFF (((UDWtype) 1) << (WORD_SIZE / 2))
#define HIGH_WORD_COEFF (((UDWtype) 1) << WORD_SIZE)

DFtype
__floatdidf (DWtype u)
{
  DFtype d;

  d = (Wtype) (u >> WORD_SIZE);
  d *= HIGH_HALFWORD_COEFF;
  d *= HIGH_HALFWORD_COEFF;
  d += (UWtype) (u & (HIGH_WORD_COEFF - 1));

  return d;
}
#endif

#ifdef L_floatdisf
#define WORD_SIZE (sizeof (Wtype) * BITS_PER_UNIT)
#define HIGH_HALFWORD_COEFF (((UDWtype) 1) << (WORD_SIZE / 2))
#define HIGH_WORD_COEFF (((UDWtype) 1) << WORD_SIZE)
#define DI_SIZE (sizeof (DWtype) * BITS_PER_UNIT)

/* Define codes for all the float formats that we know of.  Note
   that this is copied from real.h.  */
   
#define UNKNOWN_FLOAT_FORMAT 0
#define IEEE_FLOAT_FORMAT 1
#define VAX_FLOAT_FORMAT 2
#define IBM_FLOAT_FORMAT 3

/* Default to IEEE float if not specified.  Nearly all machines use it.  */
#ifndef HOST_FLOAT_FORMAT
#define	HOST_FLOAT_FORMAT	IEEE_FLOAT_FORMAT
#endif

#if HOST_FLOAT_FORMAT == IEEE_FLOAT_FORMAT
#define DF_SIZE 53
#define SF_SIZE 24
#endif

#if HOST_FLOAT_FORMAT == IBM_FLOAT_FORMAT
#define DF_SIZE 56
#define SF_SIZE 24
#endif

#if HOST_FLOAT_FORMAT == VAX_FLOAT_FORMAT
#define DF_SIZE 56
#define SF_SIZE 24
#endif

SFtype
__floatdisf (DWtype u)
{
  /* Do the calculation in DFmode
     so that we don't lose any of the precision of the high word
     while multiplying it.  */
  DFtype f;

  /* Protect against double-rounding error.
     Represent any low-order bits, that might be truncated in DFmode,
     by a bit that won't be lost.  The bit can go in anywhere below the
     rounding position of the SFmode.  A fixed mask and bit position
     handles all usual configurations.  It doesn't handle the case
     of 128-bit DImode, however.  */
  if (DF_SIZE < DI_SIZE
      && DF_SIZE > (DI_SIZE - DF_SIZE + SF_SIZE))
    {
#define REP_BIT ((UDWtype) 1 << (DI_SIZE - DF_SIZE))
      if (! (- ((DWtype) 1 << DF_SIZE) < u
	     && u < ((DWtype) 1 << DF_SIZE)))
	{
	  if ((UDWtype) u & (REP_BIT - 1))
	    u |= REP_BIT;
	}
    }
  f = (Wtype) (u >> WORD_SIZE);
  f *= HIGH_HALFWORD_COEFF;
  f *= HIGH_HALFWORD_COEFF;
  f += (UWtype) (u & (HIGH_WORD_COEFF - 1));

  return (SFtype) f;
}
#endif

#if defined(L_fixunsxfsi) && LIBGCC2_LONG_DOUBLE_TYPE_SIZE == 96
/* Reenable the normal types, in case limits.h needs them.  */
#undef char
#undef short
#undef int
#undef long
#undef unsigned
#undef float
#undef double
#undef MIN
#undef MAX
#include <limits.h>

UWtype
__fixunsxfSI (XFtype a)
{
  if (a >= - (DFtype) LONG_MIN)
    return (Wtype) (a + LONG_MIN) - LONG_MIN;
  return (Wtype) a;
}
#endif

#ifdef L_fixunsdfsi
/* Reenable the normal types, in case limits.h needs them.  */
#undef char
#undef short
#undef int
#undef long
#undef unsigned
#undef float
#undef double
#undef MIN
#undef MAX
#include <limits.h>

UWtype
__fixunsdfSI (DFtype a)
{
  if (a >= - (DFtype) LONG_MIN)
    return (Wtype) (a + LONG_MIN) - LONG_MIN;
  return (Wtype) a;
}
#endif

#ifdef L_fixunssfsi
/* Reenable the normal types, in case limits.h needs them.  */
#undef char
#undef short
#undef int
#undef long
#undef unsigned
#undef float
#undef double
#undef MIN
#undef MAX
#include <limits.h>

UWtype
__fixunssfSI (SFtype a)
{
  if (a >= - (SFtype) LONG_MIN)
    return (Wtype) (a + LONG_MIN) - LONG_MIN;
  return (Wtype) a;
}
#endif

/* From here on down, the routines use normal data types.  */

#define SItype bogus_type
#define USItype bogus_type
#define DItype bogus_type
#define UDItype bogus_type
#define SFtype bogus_type
#define DFtype bogus_type
#undef Wtype
#undef UWtype
#undef HWtype
#undef UHWtype
#undef DWtype
#undef UDWtype

#undef char
#undef short
#undef int
#undef long
#undef unsigned
#undef float
#undef double

#ifdef L__gcc_bcmp

/* Like bcmp except the sign is meaningful.
   Result is negative if S1 is less than S2,
   positive if S1 is greater, 0 if S1 and S2 are equal.  */

int
__gcc_bcmp (const unsigned char *s1, const unsigned char *s2, size_t size)
{
  while (size > 0)
    {
      unsigned char c1 = *s1++, c2 = *s2++;
      if (c1 != c2)
	return c1 - c2;
      size--;
    }
  return 0;
}

#endif

#ifdef L__dummy
void
__dummy (void) {}
#endif

#ifdef L_varargs
#ifdef __i860__
#if defined(__svr4__) || defined(__alliant__)
	asm ("	.text");
	asm ("	.align	4");

/* The Alliant needs the added underscore.  */
	asm (".globl	__builtin_saveregs");
asm ("__builtin_saveregs:");
	asm (".globl	___builtin_saveregs");
asm ("___builtin_saveregs:");

        asm ("	andnot	0x0f,%sp,%sp");	/* round down to 16-byte boundary */
	asm ("	adds	-96,%sp,%sp");  /* allocate stack space for reg save
					   area and also for a new va_list
					   structure */
	/* Save all argument registers in the arg reg save area.  The
	   arg reg save area must have the following layout (according
	   to the svr4 ABI):

		struct {
		  union  {
		    float freg[8];
		    double dreg[4];
		  } float_regs;
		  long	ireg[12];
		};
	*/

	asm ("	fst.q	%f8,  0(%sp)"); /* save floating regs (f8-f15)  */
	asm ("	fst.q	%f12,16(%sp)"); 

	asm ("	st.l	%r16,32(%sp)"); /* save integer regs (r16-r27) */
	asm ("	st.l	%r17,36(%sp)"); 
	asm ("	st.l	%r18,40(%sp)");
	asm ("	st.l	%r19,44(%sp)");
	asm ("	st.l	%r20,48(%sp)");
	asm ("	st.l	%r21,52(%sp)");
	asm ("	st.l	%r22,56(%sp)");
	asm ("	st.l	%r23,60(%sp)");
	asm ("	st.l	%r24,64(%sp)");
	asm ("	st.l	%r25,68(%sp)");
	asm ("	st.l	%r26,72(%sp)");
	asm ("	st.l	%r27,76(%sp)");

	asm ("	adds	80,%sp,%r16");  /* compute the address of the new
					   va_list structure.  Put in into
					   r16 so that it will be returned
					   to the caller.  */

	/* Initialize all fields of the new va_list structure.  This
	   structure looks like:

		typedef struct {
		    unsigned long	ireg_used;
		    unsigned long	freg_used;
		    long		*reg_base;
		    long		*mem_ptr;
		} va_list;
	*/

	asm ("	st.l	%r0, 0(%r16)"); /* nfixed */
	asm ("	st.l	%r0, 4(%r16)"); /* nfloating */
	asm ("  st.l    %sp, 8(%r16)"); /* __va_ctl points to __va_struct.  */
	asm ("	bri	%r1");		/* delayed return */
	asm ("	st.l	%r28,12(%r16)"); /* pointer to overflow args */

#else /* not __svr4__ */
#if defined(__PARAGON__)
	/*
	 *	we'll use SVR4-ish varargs but need SVR3.2 assembler syntax,
	 *	and we stand a better chance of hooking into libraries
	 *	compiled by PGI.  [andyp@ssd.intel.com]
	 */
	asm ("	.text");
	asm ("	.align	4");
	asm (".globl	__builtin_saveregs");
asm ("__builtin_saveregs:");
	asm (".globl	___builtin_saveregs");
asm ("___builtin_saveregs:");

        asm ("	andnot	0x0f,sp,sp");	/* round down to 16-byte boundary */
	asm ("	adds	-96,sp,sp");	/* allocate stack space for reg save
					   area and also for a new va_list
					   structure */
	/* Save all argument registers in the arg reg save area.  The
	   arg reg save area must have the following layout (according
	   to the svr4 ABI):

		struct {
		  union  {
		    float freg[8];
		    double dreg[4];
		  } float_regs;
		  long	ireg[12];
		};
	*/

	asm ("	fst.q	f8,  0(sp)");
	asm ("	fst.q	f12,16(sp)"); 
	asm ("	st.l	r16,32(sp)");
	asm ("	st.l	r17,36(sp)"); 
	asm ("	st.l	r18,40(sp)");
	asm ("	st.l	r19,44(sp)");
	asm ("	st.l	r20,48(sp)");
	asm ("	st.l	r21,52(sp)");
	asm ("	st.l	r22,56(sp)");
	asm ("	st.l	r23,60(sp)");
	asm ("	st.l	r24,64(sp)");
	asm ("	st.l	r25,68(sp)");
	asm ("	st.l	r26,72(sp)");
	asm ("	st.l	r27,76(sp)");

	asm ("	adds	80,sp,r16");  /* compute the address of the new
					   va_list structure.  Put in into
					   r16 so that it will be returned
					   to the caller.  */

	/* Initialize all fields of the new va_list structure.  This
	   structure looks like:

		typedef struct {
		    unsigned long	ireg_used;
		    unsigned long	freg_used;
		    long		*reg_base;
		    long		*mem_ptr;
		} va_list;
	*/

	asm ("	st.l	r0, 0(r16)"); /* nfixed */
	asm ("	st.l	r0, 4(r16)"); /* nfloating */
	asm ("  st.l    sp, 8(r16)"); /* __va_ctl points to __va_struct.  */
	asm ("	bri	r1");		/* delayed return */
	asm ("	 st.l	r28,12(r16)"); /* pointer to overflow args */
#else /* not __PARAGON__ */
	asm ("	.text");
	asm ("	.align	4");

	asm (".globl	___builtin_saveregs");
	asm ("___builtin_saveregs:");
	asm ("	mov	sp,r30");
	asm ("	andnot	0x0f,sp,sp");
	asm ("	adds	-96,sp,sp");  /* allocate sufficient space on the stack */

/* Fill in the __va_struct.  */
	asm ("	st.l	r16, 0(sp)"); /* save integer regs (r16-r27) */
	asm ("	st.l	r17, 4(sp)"); /* int	fixed[12] */
	asm ("	st.l	r18, 8(sp)");
	asm ("	st.l	r19,12(sp)");
	asm ("	st.l	r20,16(sp)");
	asm ("	st.l	r21,20(sp)");
	asm ("	st.l	r22,24(sp)");
	asm ("	st.l	r23,28(sp)");
	asm ("	st.l	r24,32(sp)");
	asm ("	st.l	r25,36(sp)");
	asm ("	st.l	r26,40(sp)");
	asm ("	st.l	r27,44(sp)");

	asm ("	fst.q	f8, 48(sp)"); /* save floating regs (f8-f15) */
	asm ("	fst.q	f12,64(sp)"); /* int floating[8] */

/* Fill in the __va_ctl.  */
	asm ("  st.l    sp, 80(sp)"); /* __va_ctl points to __va_struct.  */
	asm ("	st.l	r28,84(sp)"); /* pointer to more args */
	asm ("	st.l	r0, 88(sp)"); /* nfixed */
	asm ("	st.l	r0, 92(sp)"); /* nfloating */

	asm ("	adds	80,sp,r16");  /* return address of the __va_ctl.  */
	asm ("	bri	r1");
	asm ("	mov	r30,sp");
				/* recover stack and pass address to start 
				   of data.  */
#endif /* not __PARAGON__ */
#endif /* not __svr4__ */
#else /* not __i860__ */
#ifdef __sparc__
	asm (".global __builtin_saveregs");
	asm ("__builtin_saveregs:");
	asm (".global ___builtin_saveregs");
	asm ("___builtin_saveregs:");
#ifdef NEED_PROC_COMMAND
	asm (".proc 020");
#endif
	asm ("st %i0,[%fp+68]");
	asm ("st %i1,[%fp+72]");
	asm ("st %i2,[%fp+76]");
	asm ("st %i3,[%fp+80]");
	asm ("st %i4,[%fp+84]");
	asm ("retl");
	asm ("st %i5,[%fp+88]");
#ifdef NEED_TYPE_COMMAND
	asm (".type __builtin_saveregs,#function");
	asm (".size __builtin_saveregs,.-__builtin_saveregs");
#endif
#else /* not __sparc__ */
#if defined(__MIPSEL__) | defined(__R3000__) | defined(__R2000__) | defined(__mips__)

  asm ("	.text");
#ifdef __mips16
  asm ("	.set nomips16");
#endif
  asm ("	.ent __builtin_saveregs");
  asm ("	.globl __builtin_saveregs");
  asm ("__builtin_saveregs:");
  asm ("	sw	$4,0($30)");
  asm ("	sw	$5,4($30)");
  asm ("	sw	$6,8($30)");
  asm ("	sw	$7,12($30)");
  asm ("	j	$31");
  asm ("	.end __builtin_saveregs");
#else /* not __mips__, etc.  */

void * __attribute__ ((__noreturn__))
__builtin_saveregs (void)
{
  abort ();
}

#endif /* not __mips__ */
#endif /* not __sparc__ */
#endif /* not __i860__ */
#endif

#ifdef L_eprintf
#ifndef inhibit_libc

#undef NULL /* Avoid errors if stdio.h and our stddef.h mismatch.  */
#include <stdio.h>
/* This is used by the `assert' macro.  */
void
__eprintf (const char *string, const char *expression,
	   unsigned int line, const char *filename)
{
  fprintf (stderr, string, expression, line, filename);
  fflush (stderr);
  abort ();
}

#endif
#endif

#ifdef L_bb

/* Structure emitted by -a  */
struct bb
{
  long zero_word;
  const char *filename;
  long *counts;
  long ncounts;
  struct bb *next;
  const unsigned long *addresses;

  /* Older GCC's did not emit these fields.  */
  long nwords;
  const char **functions;
  const long *line_nums;
  const char **filenames;
  char *flags;
};

#ifdef BLOCK_PROFILER_CODE
BLOCK_PROFILER_CODE
#else
#ifndef inhibit_libc

/* Simple minded basic block profiling output dumper for
   systems that don't provide tcov support.  At present,
   it requires atexit and stdio.  */

#undef NULL /* Avoid errors if stdio.h and our stddef.h mismatch.  */
#include <stdio.h>
char *ctime ();

#include "gbl-ctors.h"
#include "gcov-io.h"
#include <string.h>
#ifdef TARGET_HAS_F_SETLKW
#include <fcntl.h>
#include <errno.h>
#endif

static struct bb *bb_head;

static int num_digits (long value, int base) __attribute__ ((const));

/* Return the number of digits needed to print a value */
/* __inline__ */ static int num_digits (long value, int base)
{
  int minus = (value < 0 && base != 16);
  unsigned long v = (minus) ? -value : value;
  int ret = minus;

  do
    {
      v /= base;
      ret++;
    }
  while (v);

  return ret;
}

void
__bb_exit_func (void)
{
  FILE *da_file, *file;
  long time_value;
  int i;

  if (bb_head == 0)
    return;

  i = strlen (bb_head->filename) - 3;

  if (!strcmp (bb_head->filename+i, ".da"))
    {
      /* Must be -fprofile-arcs not -a.
	 Dump data in a form that gcov expects.  */

      struct bb *ptr;

      for (ptr = bb_head; ptr != (struct bb *) 0; ptr = ptr->next)
	{
	  int firstchar;

	  /* Make sure the output file exists -
	     but don't clobber exiting data.  */
	  if ((da_file = fopen (ptr->filename, "a")) != 0)
	    fclose (da_file);

	  /* Need to re-open in order to be able to write from the start.  */
	  da_file = fopen (ptr->filename, "r+b");
	  /* Some old systems might not allow the 'b' mode modifier.
	     Therefore, try to open without it.  This can lead to a race
	     condition so that when you delete and re-create the file, the
	     file might be opened in text mode, but then, you shouldn't
	     delete the file in the first place.  */
	  if (da_file == 0)
	    da_file = fopen (ptr->filename, "r+");
	  if (da_file == 0)
	    {
	      fprintf (stderr, "arc profiling: Can't open output file %s.\n",
		       ptr->filename);
	      continue;
	    }

	  /* After a fork, another process might try to read and/or write
	     the same file simultanously.  So if we can, lock the file to
	     avoid race conditions.  */
#if defined (TARGET_HAS_F_SETLKW)
	  {
	    struct flock s_flock;

	    s_flock.l_type = F_WRLCK;
	    s_flock.l_whence = SEEK_SET;
	    s_flock.l_start = 0;
	    s_flock.l_len = 1;
	    s_flock.l_pid = getpid ();

	    while (fcntl (fileno (da_file), F_SETLKW, &s_flock)
		   && errno == EINTR);
	  }
#endif

	  /* If the file is not empty, and the number of counts in it is the
	     same, then merge them in.  */
	  firstchar = fgetc (da_file);
	  if (firstchar == EOF)
	    {
	      if (ferror (da_file))
		{
		  fprintf (stderr, "arc profiling: Can't read output file ");
		  perror (ptr->filename);
		}
	    }
	  else
	    {
	      long n_counts = 0;
	      
	      if (ungetc (firstchar, da_file) == EOF)
		rewind (da_file);
	      if (__read_long (&n_counts, da_file, 8) != 0)
		{
		  fprintf (stderr, "arc profiling: Can't read output file %s.\n",
			   ptr->filename);
		  continue;
		}

	      if (n_counts == ptr->ncounts)
		{
		  int i;

		  for (i = 0; i < n_counts; i++)
		    {
		      long v = 0;

		      if (__read_long (&v, da_file, 8) != 0)
			{
			  fprintf (stderr, "arc profiling: Can't read output file %s.\n",
				   ptr->filename);
			  break;
			}
		      ptr->counts[i] += v;
		    }
		}

	    }

	  rewind (da_file);

	  /* ??? Should first write a header to the file.  Preferably, a 4 byte
	     magic number, 4 bytes containing the time the program was
	     compiled, 4 bytes containing the last modification time of the
	     source file, and 4 bytes indicating the compiler options used.

	     That way we can easily verify that the proper source/executable/
	     data file combination is being used from gcov.  */

	  if (__write_long (ptr->ncounts, da_file, 8) != 0)
	    {
	      
	      fprintf (stderr, "arc profiling: Error writing output file %s.\n",
		       ptr->filename);
	    }
	  else
	    {
	      int j;
	      long *count_ptr = ptr->counts;
	      int ret = 0;
	      for (j = ptr->ncounts; j > 0; j--)
		{
		  if (__write_long (*count_ptr, da_file, 8) != 0)
		    {
		      ret=1;
		      break;
		    }
		  count_ptr++;
		}
	      if (ret)
		fprintf (stderr, "arc profiling: Error writing output file %s.\n",
			 ptr->filename);
	    }
	  
	  if (fclose (da_file) == EOF)
	    fprintf (stderr, "arc profiling: Error closing output file %s.\n",
		     ptr->filename);
	}

      return;
    }

  /* Must be basic block profiling.  Emit a human readable output file.  */

  file = fopen ("bb.out", "a");

  if (!file)
    perror ("bb.out");

  else
    {
      struct bb *ptr;

      /* This is somewhat type incorrect, but it avoids worrying about
	 exactly where time.h is included from.  It should be ok unless
	 a void * differs from other pointer formats, or if sizeof (long)
	 is < sizeof (time_t).  It would be nice if we could assume the
	 use of rationale standards here.  */

      time ((void *) &time_value);
      fprintf (file, "Basic block profiling finished on %s\n", ctime ((void *) &time_value));

      /* We check the length field explicitly in order to allow compatibility
	 with older GCC's which did not provide it.  */

      for (ptr = bb_head; ptr != (struct bb *) 0; ptr = ptr->next)
	{
	  int i;
	  int func_p	= (ptr->nwords >= (long) sizeof (struct bb)
			   && ptr->nwords <= 1000
			   && ptr->functions);
	  int line_p	= (func_p && ptr->line_nums);
	  int file_p	= (func_p && ptr->filenames);
	  int addr_p	= (ptr->addresses != 0);
	  long ncounts	= ptr->ncounts;
	  long cnt_max  = 0;
	  long line_max = 0;
	  long addr_max = 0;
	  int file_len	= 0;
	  int func_len	= 0;
	  int blk_len	= num_digits (ncounts, 10);
	  int cnt_len;
	  int line_len;
	  int addr_len;

	  fprintf (file, "File %s, %ld basic blocks \n\n",
		   ptr->filename, ncounts);

	  /* Get max values for each field.  */
	  for (i = 0; i < ncounts; i++)
	    {
	      const char *p;
	      int len;

	      if (cnt_max < ptr->counts[i])
		cnt_max = ptr->counts[i];

	      if (addr_p && (unsigned long) addr_max < ptr->addresses[i])
		addr_max = ptr->addresses[i];

	      if (line_p && line_max < ptr->line_nums[i])
		line_max = ptr->line_nums[i];

	      if (func_p)
		{
		  p = (ptr->functions[i]) ? (ptr->functions[i]) : "<none>";
		  len = strlen (p);
		  if (func_len < len)
		    func_len = len;
		}

	      if (file_p)
		{
		  p = (ptr->filenames[i]) ? (ptr->filenames[i]) : "<none>";
		  len = strlen (p);
		  if (file_len < len)
		    file_len = len;
		}
	    }

	  addr_len = num_digits (addr_max, 16);
	  cnt_len  = num_digits (cnt_max, 10);
	  line_len = num_digits (line_max, 10);

	  /* Now print out the basic block information.  */
	  for (i = 0; i < ncounts; i++)
	    {
	      fprintf (file,
		       "    Block #%*d: executed %*ld time(s)",
		       blk_len, i+1,
		       cnt_len, ptr->counts[i]);

	      if (addr_p)
		fprintf (file, " address= 0x%.*lx", addr_len,
			 ptr->addresses[i]);

	      if (func_p)
		fprintf (file, " function= %-*s", func_len,
			 (ptr->functions[i]) ? ptr->functions[i] : "<none>");

	      if (line_p)
		fprintf (file, " line= %*ld", line_len, ptr->line_nums[i]);

	      if (file_p)
		fprintf (file, " file= %s",
			 (ptr->filenames[i]) ? ptr->filenames[i] : "<none>");

	      fprintf (file, "\n");
	    }

	  fprintf (file, "\n");
	  fflush (file);
	}

      fprintf (file, "\n\n");
      fclose (file);
    }
}

void
__bb_init_func (struct bb *blocks)
{
  /* User is supposed to check whether the first word is non-0,
     but just in case....  */

  if (blocks->zero_word)
    return;

  /* Initialize destructor.  */
  if (!bb_head)
    atexit (__bb_exit_func);

  /* Set up linked list.  */
  blocks->zero_word = 1;
  blocks->next = bb_head;
  bb_head = blocks;
}

/* Called before fork or exec - write out profile information gathered so
   far and reset it to zero.  This avoids duplication or loss of the
   profile information gathered so far.  */
void
__bb_fork_func (void)
{
  struct bb *ptr;

  __bb_exit_func ();
  for (ptr = bb_head; ptr != (struct bb *) 0; ptr = ptr->next)
    {
      long i;
      for (i = ptr->ncounts - 1; i >= 0; i--)
	ptr->counts[i] = 0;
    }
}

#ifndef MACHINE_STATE_SAVE
#define MACHINE_STATE_SAVE(ID)
#endif
#ifndef MACHINE_STATE_RESTORE
#define MACHINE_STATE_RESTORE(ID)
#endif

/* Number of buckets in hashtable of basic block addresses.  */

#define BB_BUCKETS 311

/* Maximum length of string in file bb.in.  */

#define BBINBUFSIZE 500

struct bb_edge
{
  struct bb_edge *next;
  unsigned long src_addr;
  unsigned long dst_addr;
  unsigned long count;
};

enum bb_func_mode
{
  TRACE_KEEP = 0, TRACE_ON = 1, TRACE_OFF = 2
};

struct bb_func
{
  struct bb_func *next;
  char *funcname;
  char *filename;
  enum bb_func_mode mode;
};

/* This is the connection to the outside world.
   The BLOCK_PROFILER macro must set __bb.blocks
   and __bb.blockno.  */

struct {
  unsigned long blockno;
  struct bb *blocks;
} __bb;

/* Vars to store addrs of source and destination basic blocks 
   of a jump.  */

static unsigned long bb_src = 0;
static unsigned long bb_dst = 0;

static FILE *bb_tracefile = (FILE *) 0;
static struct bb_edge **bb_hashbuckets = (struct bb_edge **) 0;
static struct bb_func *bb_func_head = (struct bb_func *) 0;
static unsigned long bb_callcount = 0;
static int bb_mode = 0;

static unsigned long *bb_stack = (unsigned long *) 0;
static size_t bb_stacksize = 0;

static int reported = 0;

/* Trace modes:
Always             :   Print execution frequencies of basic blocks
                       to file bb.out.
bb_mode & 1 != 0   :   Dump trace of basic blocks to file bbtrace[.gz]
bb_mode & 2 != 0   :   Print jump frequencies to file bb.out.
bb_mode & 4 != 0   :   Cut call instructions from basic block flow.
bb_mode & 8 != 0   :   Insert return instructions in basic block flow.
*/

#ifdef HAVE_POPEN

/*#include <sys/types.h>*/
#include <sys/stat.h>
/*#include <malloc.h>*/

/* Commands executed by gopen.  */

#define GOPENDECOMPRESS "gzip -cd "
#define GOPENCOMPRESS "gzip -c >"

/* Like fopen but pipes through gzip.  mode may only be "r" or "w".
   If it does not compile, simply replace gopen by fopen and delete
   '.gz' from any first parameter to gopen.  */

static FILE *
gopen (char *fn, char *mode)
{
  int use_gzip;
  char *p;

  if (mode[1])
    return (FILE *) 0;

  if (mode[0] != 'r' && mode[0] != 'w') 
    return (FILE *) 0;

  p = fn + strlen (fn)-1;
  use_gzip = ((p[-1] == '.' && (p[0] == 'Z' || p[0] == 'z'))
	      || (p[-2] == '.' && p[-1] == 'g' && p[0] == 'z'));

  if (use_gzip)
    {
      if (mode[0]=='r')
        {
          FILE *f;
          char *s = (char *) malloc (sizeof (char) * strlen (fn)
				     + sizeof (GOPENDECOMPRESS));
          strcpy (s, GOPENDECOMPRESS);
          strcpy (s + (sizeof (GOPENDECOMPRESS)-1), fn);
          f = popen (s, mode);
          free (s);
          return f;
        }

      else
        {
          FILE *f;
          char *s = (char *) malloc (sizeof (char) * strlen (fn)
				     + sizeof (GOPENCOMPRESS));
          strcpy (s, GOPENCOMPRESS);
          strcpy (s + (sizeof (GOPENCOMPRESS)-1), fn);
          if (!(f = popen (s, mode)))
            f = fopen (s, mode);
          free (s);
          return f;
        }
    }

  else
    return fopen (fn, mode);
}

static int
gclose (FILE *f)
{
  struct stat buf;

  if (f != 0)
    {
      if (!fstat (fileno (f), &buf) && S_ISFIFO (buf.st_mode))
        return pclose (f);

      return fclose (f);
    }
  return 0;
}

#endif /* HAVE_POPEN */

/* Called once per program.  */

static void
__bb_exit_trace_func (void)
{
  FILE *file = fopen ("bb.out", "a");
  struct bb_func *f;
  struct bb *b;
        
  if (!file)
    perror ("bb.out");

  if (bb_mode & 1)
    {
      if (!bb_tracefile)
        perror ("bbtrace");
      else
#ifdef HAVE_POPEN
        gclose (bb_tracefile);
#else
        fclose (bb_tracefile);
#endif /* HAVE_POPEN */
    }

  /* Check functions in `bb.in'.  */

  if (file)
    {
      long time_value;
      const struct bb_func *p;
      int printed_something = 0;
      struct bb *ptr;
      long blk;

      /* This is somewhat type incorrect.  */
      time ((void *) &time_value);

      for (p = bb_func_head; p != (struct bb_func *) 0; p = p->next)
        {
          for (ptr = bb_head; ptr != (struct bb *) 0; ptr = ptr->next)
            {
              if (!ptr->filename || (p->filename != (char *) 0 && strcmp (p->filename, ptr->filename)))
                continue;
              for (blk = 0; blk < ptr->ncounts; blk++)
                {
                  if (!strcmp (p->funcname, ptr->functions[blk]))
                    goto found;
                }
            }
  
          if (!printed_something)
            {
              fprintf (file, "Functions in `bb.in' not executed during basic block profiling on %s\n", ctime ((void *) &time_value));
              printed_something = 1;
            }

          fprintf (file, "\tFunction %s", p->funcname);
          if (p->filename)
              fprintf (file, " of file %s", p->filename);
          fprintf (file, "\n" );
  
found:        ;
        }

      if (printed_something)
       fprintf (file, "\n");

    }

  if (bb_mode & 2)
    {
      if (!bb_hashbuckets)
        {
          if (!reported)
            {
              fprintf (stderr, "Profiler: out of memory\n");
              reported = 1;
            }
          return;
        }
    
      else if (file)
        {
          long time_value;
          int i;
          unsigned long addr_max = 0;
          unsigned long cnt_max  = 0;
          int cnt_len;
          int addr_len;
    
          /* This is somewhat type incorrect, but it avoids worrying about
             exactly where time.h is included from.  It should be ok unless
             a void * differs from other pointer formats, or if sizeof (long)
             is < sizeof (time_t).  It would be nice if we could assume the
             use of rationale standards here.  */
    
          time ((void *) &time_value);
          fprintf (file, "Basic block jump tracing");

          switch (bb_mode & 12)
            {
              case 0:
                fprintf (file, " (with call)");
              break;

              case 4:
		/* Print nothing.  */
              break;

              case 8:
                fprintf (file, " (with call & ret)");
              break;

              case 12:
                fprintf (file, " (with ret)");
              break;
            }

          fprintf (file, " finished on %s\n", ctime ((void *) &time_value));
    
          for (i = 0; i < BB_BUCKETS; i++)
            {
               struct bb_edge *bucket = bb_hashbuckets[i];
               for ( ; bucket; bucket = bucket->next )
                 {
                   if (addr_max < bucket->src_addr) 
                     addr_max = bucket->src_addr;
                   if (addr_max < bucket->dst_addr) 
                     addr_max = bucket->dst_addr;
                   if (cnt_max < bucket->count) 
                     cnt_max = bucket->count;
                 }
            }
          addr_len = num_digits (addr_max, 16);
          cnt_len  = num_digits (cnt_max, 10);
    
          for ( i = 0; i < BB_BUCKETS; i++)
            {
               struct bb_edge *bucket = bb_hashbuckets[i];
               for ( ; bucket; bucket = bucket->next )
                 {
                   fprintf (file,
	"Jump from block 0x%.*lx to block 0x%.*lx executed %*lu time(s)\n", 
                            addr_len, bucket->src_addr, 
                            addr_len, bucket->dst_addr, 
                            cnt_len, bucket->count);
                 }
            }
  
          fprintf (file, "\n");

        }
    }

   if (file)
     fclose (file);

   /* Free allocated memory.  */

   f = bb_func_head;
   while (f)
     {
       struct bb_func *old = f;

       f = f->next;
       if (old->funcname) free (old->funcname);
       if (old->filename) free (old->filename);
       free (old);
     }

   if (bb_stack)
     free (bb_stack);

   if (bb_hashbuckets)
     {
       int i;

       for (i = 0; i < BB_BUCKETS; i++)
         {
           struct bb_edge *old, *bucket = bb_hashbuckets[i];

           while (bucket)
             {
               old = bucket;
               bucket = bucket->next;
               free (old);
             }
         }
       free (bb_hashbuckets);
     }

   for (b = bb_head; b; b = b->next)
     if (b->flags) free (b->flags);
}

/* Called once per program.  */

static void
__bb_init_prg (void)
{
  FILE *file;
  char buf[BBINBUFSIZE];
  const char *p;
  const char *pos;
  enum bb_func_mode m;
  int i;

  /* Initialize destructor.  */
  atexit (__bb_exit_func);

  if (!(file = fopen ("bb.in", "r")))
    return;

  while(fgets (buf, BBINBUFSIZE, file) != 0)
    {
      i = strlen (buf);
      if (buf[i] == '\n')
	buf[i--] = '\0';

      p = buf;
      if (*p == '-') 
        { 
          m = TRACE_OFF; 
          p++; 
        }
      else 
        { 
          m = TRACE_ON; 
        }
      if (!strcmp (p, "__bb_trace__"))
        bb_mode |= 1;
      else if (!strcmp (p, "__bb_jumps__"))
        bb_mode |= 2;
      else if (!strcmp (p, "__bb_hidecall__"))
        bb_mode |= 4;
      else if (!strcmp (p, "__bb_showret__"))
        bb_mode |= 8;
      else 
        {
          struct bb_func *f = (struct bb_func *) malloc (sizeof (struct bb_func));
          if (f)
            {
              unsigned long l;
              f->next = bb_func_head;
              if ((pos = strchr (p, ':')))
                {
                  if (!(f->funcname = (char *) malloc (strlen (pos+1)+1)))
                    continue;
                  strcpy (f->funcname, pos+1);
                  l = pos-p;
                  if ((f->filename = (char *) malloc (l+1)))
                    {
                      strncpy (f->filename, p, l);
                      f->filename[l] = '\0';
                    }
                  else
                    f->filename = (char *) 0;
                }
              else
                {
                  if (!(f->funcname = (char *) malloc (strlen (p)+1)))
                    continue;
                  strcpy (f->funcname, p);
                  f->filename = (char *) 0;
                }
              f->mode = m;
              bb_func_head = f;
	    }
         }
    }
  fclose (file);

#ifdef HAVE_POPEN 

  if (bb_mode & 1)
      bb_tracefile = gopen ("bbtrace.gz", "w");

#else

  if (bb_mode & 1)
      bb_tracefile = fopen ("bbtrace", "w");

#endif /* HAVE_POPEN */

  if (bb_mode & 2)
    {
      bb_hashbuckets = (struct bb_edge **) 
                   malloc (BB_BUCKETS * sizeof (struct bb_edge *));
      if (bb_hashbuckets)
	/* Use a loop here rather than calling bzero to avoid having to
	   conditionalize its existance.  */
	for (i = 0; i < BB_BUCKETS; i++)
	  bb_hashbuckets[i] = 0;
    }

  if (bb_mode & 12)
    {
      bb_stacksize = 10;
      bb_stack = (unsigned long *) malloc (bb_stacksize * sizeof (*bb_stack));
    }

  /* Initialize destructor.  */
  atexit (__bb_exit_trace_func);
}

/* Called upon entering a basic block.  */

void
__bb_trace_func (void)
{
  struct bb_edge *bucket;

  MACHINE_STATE_SAVE("1")

  if (!bb_callcount || (__bb.blocks->flags && (__bb.blocks->flags[__bb.blockno] & TRACE_OFF)))
    goto skip;

  bb_dst = __bb.blocks->addresses[__bb.blockno];
  __bb.blocks->counts[__bb.blockno]++;

  if (bb_tracefile)
    {
      fwrite (&bb_dst, sizeof (unsigned long), 1, bb_tracefile);
    }

  if (bb_hashbuckets)
    {
      struct bb_edge **startbucket, **oldnext;

      oldnext = startbucket
	= & bb_hashbuckets[ (((int) bb_src*8) ^ (int) bb_dst) % BB_BUCKETS ];
      bucket = *startbucket;

      for (bucket = *startbucket; bucket; 
           oldnext = &(bucket->next), bucket = *oldnext)
        {
          if (bucket->src_addr == bb_src
	      && bucket->dst_addr == bb_dst)
            {
              bucket->count++;
              *oldnext = bucket->next;
              bucket->next = *startbucket;
              *startbucket = bucket;
              goto ret;
            }
        }

      bucket = (struct bb_edge *) malloc (sizeof (struct bb_edge));

      if (!bucket)
        {
          if (!reported)
            {
              fprintf (stderr, "Profiler: out of memory\n");
              reported = 1;
            }
        }

      else
        {
          bucket->src_addr = bb_src;
          bucket->dst_addr = bb_dst;
          bucket->next = *startbucket;
          *startbucket = bucket;
          bucket->count = 1;
        }
    }

ret:
  bb_src = bb_dst;

skip:
  ;

  MACHINE_STATE_RESTORE("1")

}

/* Called when returning from a function and `__bb_showret__' is set.  */

static void
__bb_trace_func_ret (void)
{
  struct bb_edge *bucket;

  if (!bb_callcount || (__bb.blocks->flags && (__bb.blocks->flags[__bb.blockno] & TRACE_OFF)))
    goto skip;

  if (bb_hashbuckets)
    {
      struct bb_edge **startbucket, **oldnext;

      oldnext = startbucket
	= & bb_hashbuckets[ (((int) bb_dst * 8) ^ (int) bb_src) % BB_BUCKETS ];
      bucket = *startbucket;

      for (bucket = *startbucket; bucket; 
           oldnext = &(bucket->next), bucket = *oldnext)
        {
          if (bucket->src_addr == bb_dst
	       && bucket->dst_addr == bb_src)
            {
              bucket->count++;
              *oldnext = bucket->next;
              bucket->next = *startbucket;
              *startbucket = bucket;
              goto ret;
            }
        }

      bucket = (struct bb_edge *) malloc (sizeof (struct bb_edge));

      if (!bucket)
        {
          if (!reported)
            {
              fprintf (stderr, "Profiler: out of memory\n");
              reported = 1;
            }
        }

      else
        {
          bucket->src_addr = bb_dst;
          bucket->dst_addr = bb_src;
          bucket->next = *startbucket;
          *startbucket = bucket;
          bucket->count = 1;
        }
    }

ret:
  bb_dst = bb_src;

skip:
  ;

}

/* Called upon entering the first function of a file.  */

static void
__bb_init_file (struct bb *blocks)
{

  const struct bb_func *p;
  long blk, ncounts = blocks->ncounts;
  const char **functions = blocks->functions;

  /* Set up linked list.  */
  blocks->zero_word = 1;
  blocks->next = bb_head;
  bb_head = blocks;

  blocks->flags = 0;
  if (!bb_func_head
      || !(blocks->flags = (char *) malloc (sizeof (char) * blocks->ncounts)))
    return;

  for (blk = 0; blk < ncounts; blk++)
    blocks->flags[blk] = 0;

  for (blk = 0; blk < ncounts; blk++)
    {
      for (p = bb_func_head; p; p = p->next)
        {
          if (!strcmp (p->funcname, functions[blk])
	      && (!p->filename || !strcmp (p->filename, blocks->filename)))
            {
              blocks->flags[blk] |= p->mode;
            }
        }
    }

}

/* Called when exiting from a function.  */

void
__bb_trace_ret (void)
{

  MACHINE_STATE_SAVE("2")

  if (bb_callcount)
    {
      if ((bb_mode & 12) && bb_stacksize > bb_callcount)
        {
          bb_src = bb_stack[bb_callcount];
          if (bb_mode & 8)
            __bb_trace_func_ret ();
        }

      bb_callcount -= 1;
    }

  MACHINE_STATE_RESTORE("2")

}

/* Called when entering a function.  */

void
__bb_init_trace_func (struct bb *blocks, unsigned long blockno)
{
  static int trace_init = 0;

  MACHINE_STATE_SAVE("3")

  if (!blocks->zero_word)
    { 
      if (!trace_init)
        { 
          trace_init = 1;
          __bb_init_prg ();
        }
      __bb_init_file (blocks);
    }

  if (bb_callcount)
    {

      bb_callcount += 1;

      if (bb_mode & 12)
        {
          if (bb_callcount >= bb_stacksize)
            {
              size_t newsize = bb_callcount + 100;

              bb_stack = (unsigned long *) realloc (bb_stack, newsize);
              if (! bb_stack)
                {
                  if (!reported)
                    {
                      fprintf (stderr, "Profiler: out of memory\n");
                      reported = 1;
                    }
                  bb_stacksize = 0;
                  goto stack_overflow;
                }
	      bb_stacksize = newsize;
            }
          bb_stack[bb_callcount] = bb_src;

          if (bb_mode & 4)
            bb_src = 0;

        }

stack_overflow:;

    }

  else if (blocks->flags && (blocks->flags[blockno] & TRACE_ON))
    {
      bb_callcount = 1;
      bb_src = 0;

      if (bb_stack)
          bb_stack[bb_callcount] = bb_src;
    }

  MACHINE_STATE_RESTORE("3")
}

#endif /* not inhibit_libc */
#endif /* not BLOCK_PROFILER_CODE */
#endif /* L_bb */

#ifdef L_clear_cache
/* Clear part of an instruction cache.  */

#define INSN_CACHE_PLANE_SIZE (INSN_CACHE_SIZE / INSN_CACHE_DEPTH)

void
__clear_cache (char *beg __attribute__((__unused__)),
	       char *end __attribute__((__unused__)))
{
#ifdef CLEAR_INSN_CACHE 
  CLEAR_INSN_CACHE (beg, end);
#else
#ifdef INSN_CACHE_SIZE
  static char array[INSN_CACHE_SIZE + INSN_CACHE_PLANE_SIZE + INSN_CACHE_LINE_WIDTH];
  static int initialized;
  int offset;
  void *start_addr
  void *end_addr;
  typedef (*function_ptr) (void);

#if (INSN_CACHE_SIZE / INSN_CACHE_LINE_WIDTH) < 16
  /* It's cheaper to clear the whole cache.
     Put in a series of jump instructions so that calling the beginning
     of the cache will clear the whole thing.  */

  if (! initialized)
    {
      int ptr = (((int) array + INSN_CACHE_LINE_WIDTH - 1)
		 & -INSN_CACHE_LINE_WIDTH);
      int end_ptr = ptr + INSN_CACHE_SIZE;

      while (ptr < end_ptr)
	{
	  *(INSTRUCTION_TYPE *)ptr
	    = JUMP_AHEAD_INSTRUCTION + INSN_CACHE_LINE_WIDTH;
	  ptr += INSN_CACHE_LINE_WIDTH;
	}
      *(INSTRUCTION_TYPE *) (ptr - INSN_CACHE_LINE_WIDTH) = RETURN_INSTRUCTION;

      initialized = 1;
    }

  /* Call the beginning of the sequence.  */
  (((function_ptr) (((int) array + INSN_CACHE_LINE_WIDTH - 1)
		    & -INSN_CACHE_LINE_WIDTH))
   ());

#else /* Cache is large.  */

  if (! initialized)
    {
      int ptr = (((int) array + INSN_CACHE_LINE_WIDTH - 1)
		 & -INSN_CACHE_LINE_WIDTH);

      while (ptr < (int) array + sizeof array)
	{
	  *(INSTRUCTION_TYPE *)ptr = RETURN_INSTRUCTION;
	  ptr += INSN_CACHE_LINE_WIDTH;
	}

      initialized = 1;
    }

  /* Find the location in array that occupies the same cache line as BEG.  */

  offset = ((int) beg & -INSN_CACHE_LINE_WIDTH) & (INSN_CACHE_PLANE_SIZE - 1);
  start_addr = (((int) (array + INSN_CACHE_PLANE_SIZE - 1)
		 & -INSN_CACHE_PLANE_SIZE)
		+ offset);

  /* Compute the cache alignment of the place to stop clearing.  */
#if 0  /* This is not needed for gcc's purposes.  */
  /* If the block to clear is bigger than a cache plane,
     we clear the entire cache, and OFFSET is already correct.  */ 
  if (end < beg + INSN_CACHE_PLANE_SIZE)
#endif
    offset = (((int) (end + INSN_CACHE_LINE_WIDTH - 1)
	       & -INSN_CACHE_LINE_WIDTH)
	      & (INSN_CACHE_PLANE_SIZE - 1));

#if INSN_CACHE_DEPTH > 1
  end_addr = (start_addr & -INSN_CACHE_PLANE_SIZE) + offset;
  if (end_addr <= start_addr)
    end_addr += INSN_CACHE_PLANE_SIZE;

  for (plane = 0; plane < INSN_CACHE_DEPTH; plane++)
    {
      int addr = start_addr + plane * INSN_CACHE_PLANE_SIZE;
      int stop = end_addr + plane * INSN_CACHE_PLANE_SIZE;

      while (addr != stop)
	{
	  /* Call the return instruction at ADDR.  */
	  ((function_ptr) addr) ();

	  addr += INSN_CACHE_LINE_WIDTH;
	}
    }
#else /* just one plane */
  do
    {
      /* Call the return instruction at START_ADDR.  */
      ((function_ptr) start_addr) ();

      start_addr += INSN_CACHE_LINE_WIDTH;
    }
  while ((start_addr % INSN_CACHE_SIZE) != offset);
#endif /* just one plane */
#endif /* Cache is large */
#endif /* Cache exists */
#endif /* CLEAR_INSN_CACHE */
}

#endif /* L_clear_cache */

#ifdef L_trampoline

/* Jump to a trampoline, loading the static chain address.  */

#if defined(WINNT) && ! defined(__CYGWIN__) && ! defined (_UWIN)

long
getpagesize (void)
{
#ifdef _ALPHA_
  return 8192;
#else
  return 4096;
#endif
}

#ifdef __i386__
extern int VirtualProtect (char *, int, int, int *) __attribute__((stdcall));
#endif

int
mprotect (char *addr, int len, int prot)
{
  int np, op;

  if (prot == 7)
    np = 0x40;
  else if (prot == 5)
    np = 0x20;
  else if (prot == 4)
    np = 0x10;
  else if (prot == 3)
    np = 0x04;
  else if (prot == 1)
    np = 0x02;
  else if (prot == 0)
    np = 0x01;

  if (VirtualProtect (addr, len, np, &op))
    return 0;
  else
    return -1;
}

#endif /* WINNT && ! __CYGWIN__ && ! _UWIN */

#ifdef TRANSFER_FROM_TRAMPOLINE 
TRANSFER_FROM_TRAMPOLINE 
#endif

#if defined (NeXT) && defined (__MACH__)

/* Make stack executable so we can call trampolines on stack.
   This is called from INITIALIZE_TRAMPOLINE in next.h.  */
#ifdef NeXTStep21
 #include <mach.h>
#else
 #include <mach/mach.h>
#endif

void
__enable_execute_stack (char *addr)
{
  kern_return_t r;
  char *eaddr = addr + TRAMPOLINE_SIZE;
  vm_address_t a = (vm_address_t) addr;

  /* turn on execute access on stack */
  r = vm_protect (task_self (), a, TRAMPOLINE_SIZE, FALSE, VM_PROT_ALL);
  if (r != KERN_SUCCESS)
    {
      mach_error("vm_protect VM_PROT_ALL", r);
      exit(1);
    }

  /* We inline the i-cache invalidation for speed */

#ifdef CLEAR_INSN_CACHE
  CLEAR_INSN_CACHE (addr, eaddr);
#else
  __clear_cache ((int) addr, (int) eaddr);
#endif
} 

#endif /* defined (NeXT) && defined (__MACH__) */

#ifdef __convex__

/* Make stack executable so we can call trampolines on stack.
   This is called from INITIALIZE_TRAMPOLINE in convex.h.  */

#include <sys/mman.h>
#include <sys/vmparam.h>
#include <machine/machparam.h>

void
__enable_execute_stack (void)
{
  int fp;
  static unsigned lowest = USRSTACK;
  unsigned current = (unsigned) &fp & -NBPG;

  if (lowest > current)
    {
      unsigned len = lowest - current;
      mremap (current, &len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE);
      lowest = current;
    }

  /* Clear instruction cache in case an old trampoline is in it.  */
  asm ("pich");
}
#endif /* __convex__ */

#ifdef __sysV88__

/* Modified from the convex -code above.  */

#include <sys/param.h>
#include <errno.h>
#include <sys/m88kbcs.h>

void
__enable_execute_stack (void)
{
  int save_errno;
  static unsigned long lowest = USRSTACK;
  unsigned long current = (unsigned long) &save_errno & -NBPC;
  
  /* Ignore errno being set. memctl sets errno to EINVAL whenever the
     address is seen as 'negative'. That is the case with the stack.   */

  save_errno=errno;
  if (lowest > current)
    {
      unsigned len=lowest-current;
      memctl(current,len,MCT_TEXT);
      lowest = current;
    }
  else
    memctl(current,NBPC,MCT_TEXT);
  errno=save_errno;
}

#endif /* __sysV88__ */

#ifdef __sysV68__

#include <sys/signal.h>
#include <errno.h>

/* Motorola forgot to put memctl.o in the libp version of libc881.a,
   so define it here, because we need it in __clear_insn_cache below */
/* On older versions of this OS, no memctl or MCT_TEXT are defined;
   hence we enable this stuff only if MCT_TEXT is #define'd.  */

#ifdef MCT_TEXT
asm("\n\
	global memctl\n\
memctl:\n\
	movq &75,%d0\n\
	trap &0\n\
	bcc.b noerror\n\
	jmp cerror%\n\
noerror:\n\
	movq &0,%d0\n\
	rts");
#endif

/* Clear instruction cache so we can call trampolines on stack.
   This is called from FINALIZE_TRAMPOLINE in mot3300.h.  */

void
__clear_insn_cache (void)
{
#ifdef MCT_TEXT
  int save_errno;

  /* Preserve errno, because users would be surprised to have
  errno changing without explicitly calling any system-call. */
  save_errno = errno;

  /* Keep it simple : memctl (MCT_TEXT) always fully clears the insn cache. 
     No need to use an address derived from _start or %sp, as 0 works also. */
  memctl(0, 4096, MCT_TEXT);
  errno = save_errno;
#endif
}

#endif /* __sysV68__ */

#ifdef __pyr__

#undef NULL /* Avoid errors if stdio.h and our stddef.h mismatch.  */
#include <stdio.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/vmmac.h>

/* Modified from the convex -code above.
   mremap promises to clear the i-cache.  */

void
__enable_execute_stack (void)
{
  int fp;
  if (mprotect (((unsigned int)&fp/PAGSIZ)*PAGSIZ, PAGSIZ,
		PROT_READ|PROT_WRITE|PROT_EXEC))
    {
      perror ("mprotect in __enable_execute_stack");
      fflush (stderr);
      abort ();
    }
}
#endif /* __pyr__ */

#if defined (sony_news) && defined (SYSTYPE_BSD)

#include <stdio.h>
#include <sys/types.h>
#include <sys/param.h>
#include <syscall.h>
#include <machine/sysnews.h>

/* cacheflush function for NEWS-OS 4.2.
   This function is called from trampoline-initialize code
   defined in config/mips/mips.h.  */

void
cacheflush (char *beg, int size, int flag)
{
  if (syscall (SYS_sysnews, NEWS_CACHEFLUSH, beg, size, FLUSH_BCACHE))
    {
      perror ("cache_flush");
      fflush (stderr);
      abort ();
    }
}

#endif /* sony_news */
#endif /* L_trampoline */

#ifndef __CYGWIN__
#ifdef L__main

#include "gbl-ctors.h"
/* Some systems use __main in a way incompatible with its use in gcc, in these
   cases use the macros NAME__MAIN to give a quoted symbol and SYMBOL__MAIN to
   give the same symbol without quotes for an alternative entry point.  You
   must define both, or neither.  */
#ifndef NAME__MAIN
#define NAME__MAIN "__main"
#define SYMBOL__MAIN __main
#endif

#ifdef INIT_SECTION_ASM_OP
#undef HAS_INIT_SECTION
#define HAS_INIT_SECTION
#endif

#if !defined (HAS_INIT_SECTION) || !defined (OBJECT_FORMAT_ELF)

/* Some ELF crosses use crtstuff.c to provide __CTOR_LIST__, but use this
   code to run constructors.  In that case, we need to handle EH here, too.  */

#ifdef EH_FRAME_SECTION
#include "frame.h"
extern unsigned char __EH_FRAME_BEGIN__[];
#endif

/* Run all the global destructors on exit from the program.  */

void
__do_global_dtors (void)
{
#ifdef DO_GLOBAL_DTORS_BODY
  DO_GLOBAL_DTORS_BODY;
#else
  static func_ptr *p = __DTOR_LIST__ + 1;
  while (*p)
    {
      p++;
      (*(p-1)) ();
    }
#endif
#if defined (EH_FRAME_SECTION) && !defined (HAS_INIT_SECTION)
  {
    static int completed = 0;
    if (! completed)
      {
	completed = 1;
	__deregister_frame_info (__EH_FRAME_BEGIN__);
      }
  }
#endif
}
#endif

#ifndef HAS_INIT_SECTION
/* Run all the global constructors on entry to the program.  */

void
__do_global_ctors (void)
{
#ifdef EH_FRAME_SECTION
  {
    static struct object object;
    __register_frame_info (__EH_FRAME_BEGIN__, &object);
  }
#endif
  DO_GLOBAL_CTORS_BODY;
  atexit (__do_global_dtors);
}
#endif /* no HAS_INIT_SECTION */

#if !defined (HAS_INIT_SECTION) || defined (INVOKE__main)
/* Subroutine called automatically by `main'.
   Compiling a global function named `main'
   produces an automatic call to this function at the beginning.

   For many systems, this routine calls __do_global_ctors.
   For systems which support a .init section we use the .init section
   to run __do_global_ctors, so we need not do anything here.  */

void
SYMBOL__MAIN ()
{
  /* Support recursive calls to `main': run initializers just once.  */
  static int initialized;
  if (! initialized)
    {
      initialized = 1;
      __do_global_ctors ();
    }
}
#endif /* no HAS_INIT_SECTION or INVOKE__main */

#endif /* L__main */
#endif /* __CYGWIN__ */

#ifdef L_ctors

#include "gbl-ctors.h"

/* Provide default definitions for the lists of constructors and
   destructors, so that we don't get linker errors.  These symbols are
   intentionally bss symbols, so that gld and/or collect will provide
   the right values.  */

/* We declare the lists here with two elements each,
   so that they are valid empty lists if no other definition is loaded.

   If we are using the old "set" extensions to have the gnu linker
   collect ctors and dtors, then we __CTOR_LIST__ and __DTOR_LIST__
   must be in the bss/common section.

   Long term no port should use those extensions.  But many still do.  */
#if !defined(INIT_SECTION_ASM_OP) && !defined(CTOR_LISTS_DEFINED_EXTERNALLY)
#if defined (ASM_OUTPUT_CONSTRUCTOR) || defined (USE_COLLECT2)
func_ptr __CTOR_LIST__[2] = {0, 0};
func_ptr __DTOR_LIST__[2] = {0, 0};
#else
func_ptr __CTOR_LIST__[2];
func_ptr __DTOR_LIST__[2];
#endif
#endif /* no INIT_SECTION_ASM_OP and not CTOR_LISTS_DEFINED_EXTERNALLY */
#endif /* L_ctors */

#ifdef L_exit

#include "gbl-ctors.h"

#ifdef NEED_ATEXIT

#ifndef ON_EXIT

# include <errno.h>

static func_ptr *atexit_chain = 0;
static long atexit_chain_length = 0;
static volatile long last_atexit_chain_slot = -1;

int
atexit (func_ptr func)
{
  if (++last_atexit_chain_slot == atexit_chain_length)
    {
      atexit_chain_length += 32;
      if (atexit_chain)
	atexit_chain = (func_ptr *) realloc (atexit_chain, atexit_chain_length
					     * sizeof (func_ptr));
      else
	atexit_chain = (func_ptr *) malloc (atexit_chain_length
					    * sizeof (func_ptr));
      if (! atexit_chain)
	{
	  atexit_chain_length = 0;
	  last_atexit_chain_slot = -1;
	  errno = ENOMEM;
	  return (-1);
	}
    }
  atexit_chain[last_atexit_chain_slot] = func;
  return (0);
}

extern void _cleanup (void);
extern void _exit (int) __attribute__ ((__noreturn__));

void 
exit (int status)
{
  if (atexit_chain)
    {
      for ( ; last_atexit_chain_slot-- >= 0; )
	{
	  (*atexit_chain[last_atexit_chain_slot + 1]) ();
	  atexit_chain[last_atexit_chain_slot + 1] = 0;
	}
      free (atexit_chain);
      atexit_chain = 0;
    }
#ifdef EXIT_BODY
  EXIT_BODY;
#else
  _cleanup ();
#endif
  _exit (status);
}

#else /* ON_EXIT */

/* Simple; we just need a wrapper for ON_EXIT.  */
int
atexit (func_ptr func)
{
  return ON_EXIT (func);
}

#endif /* ON_EXIT */
#endif /* NEED_ATEXIT */

#endif /* L_exit */

#ifdef L_eh

#include "gthr.h"

/* Shared exception handling support routines.  */

void
__default_terminate (void)
{
  abort ();
}

void (*__terminate_func)(void) __attribute__ ((__noreturn__)) =
  __default_terminate;

void __attribute__((__noreturn__))
__terminate (void)
{
  (*__terminate_func)();
}

void *
__throw_type_match (void *catch_type, void *throw_type, void *obj)
{
#if 0
 printf ("__throw_type_match (): catch_type = %s, throw_type = %s\n",
	 catch_type, throw_type);
#endif
 if (strcmp ((const char *)catch_type, (const char *)throw_type) == 0)
   return obj;
 return 0;
}

void
__empty (void)
{
}


/* Include definitions of EH context and table layout */

#include "eh-common.h"
#ifndef inhibit_libc
#include <stdio.h>
#endif

/* Allocate and return a new EH context structure. */

#if __GTHREADS
static void *
new_eh_context (void)
{
  struct eh_full_context {
    struct eh_context c;
    void *top_elt[2];
  } *ehfc = (struct eh_full_context *) malloc (sizeof *ehfc);

  if (! ehfc)
    __terminate ();

  memset (ehfc, 0, sizeof *ehfc);

  ehfc->c.dynamic_handler_chain = (void **) ehfc->top_elt;

  /* This should optimize out entirely.  This should always be true,
     but just in case it ever isn't, don't allow bogus code to be
     generated.  */

  if ((void*)(&ehfc->c) != (void*)ehfc)
    __terminate ();

  return &ehfc->c;
}

static __gthread_key_t eh_context_key;

/* Destructor for struct eh_context. */
static void
eh_context_free (void *ptr)
{
  __gthread_key_dtor (eh_context_key, ptr);
  if (ptr)
    free (ptr);
}
#endif

/* Pointer to function to return EH context. */

static struct eh_context *eh_context_initialize (void);
static struct eh_context *eh_context_static (void);
#if __GTHREADS
static struct eh_context *eh_context_specific (void);
#endif

static struct eh_context *(*get_eh_context) (void) = &eh_context_initialize;

/* Routine to get EH context.
   This one will simply call the function pointer. */

void *
__get_eh_context (void)
{
  return (void *) (*get_eh_context) ();
}

/* Get and set the language specific info pointer. */

void **
__get_eh_info (void)
{
  struct eh_context *eh = (*get_eh_context) ();
  return &eh->info;
}

#ifdef DWARF2_UNWIND_INFO
static int dwarf_reg_size_table_initialized = 0;
static char dwarf_reg_size_table[DWARF_FRAME_REGISTERS];

static void
init_reg_size_table (void)
{
  __builtin_init_dwarf_reg_size_table (dwarf_reg_size_table);
  dwarf_reg_size_table_initialized = 1;
}
#endif

#if __GTHREADS
static void
eh_threads_initialize (void)
{
  /* Try to create the key.  If it fails, revert to static method,
     otherwise start using thread specific EH contexts. */
  if (__gthread_key_create (&eh_context_key, &eh_context_free) == 0)
    get_eh_context = &eh_context_specific;
  else
    get_eh_context = &eh_context_static;
}
#endif /* no __GTHREADS */

/* Initialize EH context.
   This will be called only once, since we change GET_EH_CONTEXT
   pointer to another routine. */

static struct eh_context *
eh_context_initialize (void)
{
#if __GTHREADS

  static __gthread_once_t once = __GTHREAD_ONCE_INIT;
  /* Make sure that get_eh_context does not point to us anymore.
     Some systems have dummy thread routines in their libc that
     return a success (Solaris 2.6 for example). */
  if (__gthread_once (&once, eh_threads_initialize) != 0
      || get_eh_context == &eh_context_initialize)
    {
      /* Use static version of EH context. */
      get_eh_context = &eh_context_static;
    }
#ifdef DWARF2_UNWIND_INFO
  {
    static __gthread_once_t once_regsizes = __GTHREAD_ONCE_INIT;
    if (__gthread_once (&once_regsizes, init_reg_size_table) != 0
	|| ! dwarf_reg_size_table_initialized)
      init_reg_size_table ();
  }
#endif

#else /* no __GTHREADS */

  /* Use static version of EH context. */
  get_eh_context = &eh_context_static;

#ifdef DWARF2_UNWIND_INFO
  init_reg_size_table ();
#endif

#endif /* no __GTHREADS */

  return (*get_eh_context) ();
}

/* Return a static EH context. */

static struct eh_context *
eh_context_static (void)
{
  static struct eh_context eh;
  static int initialized;
  static void *top_elt[2];

  if (! initialized)
    {
      initialized = 1;
      memset (&eh, 0, sizeof eh);
      eh.dynamic_handler_chain = top_elt;
    }
  return &eh;
}

#if __GTHREADS
/* Return a thread specific EH context. */

static struct eh_context *
eh_context_specific (void)
{
  struct eh_context *eh;
  eh = (struct eh_context *) __gthread_getspecific (eh_context_key);
  if (! eh)
    {
      eh = new_eh_context ();
      if (__gthread_setspecific (eh_context_key, (void *) eh) != 0)
	__terminate ();
    }

  return eh;
}
#endif /* __GTHREADS */

/* Support routines for alloc/free during exception handling */

/* __eh_alloc and __eh_free attempt allocation using malloc, but fall back to
   the small arena in the eh_context. This is needed because throwing an
   out-of-memory exception would fail otherwise. The emergency space is
   allocated in blocks of size EH_ALLOC_ALIGN, the
   minimum allocation being two blocks. A bitmask indicates which blocks
   have been allocated. To indicate the size of an allocation, the bit for
   the final block is not set. Hence each allocation is a run of 1s followed
   by a zero. */
void *
__eh_alloc (size_t size)
{
  void *p;
  
  if (!size)
    abort();
  p = malloc (size);
  if (p == 0)
    {
      struct eh_context *eh = __get_eh_context ();
      unsigned blocks = (size + EH_ALLOC_ALIGN - 1) / EH_ALLOC_ALIGN;
      unsigned real_mask = eh->alloc_mask | (eh->alloc_mask << 1);
      unsigned our_mask;
      unsigned ix;
      
      if (blocks > EH_ALLOC_SIZE / EH_ALLOC_ALIGN)
        __terminate ();
      blocks += blocks == 1;
      our_mask = (1 << blocks) - 1;
      
      for (ix = EH_ALLOC_SIZE / EH_ALLOC_ALIGN - blocks; ix; ix--)
	if (! ((real_mask >> ix) & our_mask))
	  {
	    /* found some space */
	    p = &eh->alloc_buffer[ix * EH_ALLOC_ALIGN];
	    eh->alloc_mask |= (our_mask >> 1) << ix;
	    return p;
	  }
      __terminate ();
    }
  return p;
}

/* Free the memory for an cp_eh_info and associated exception, given
   a pointer to the cp_eh_info.  */
void
__eh_free (void *p)
{
  struct eh_context *eh = __get_eh_context ();

  ptrdiff_t  diff = (char *)p - &eh->alloc_buffer[0];
  if (diff >= 0 && diff < EH_ALLOC_SIZE)
    {
      unsigned mask = eh->alloc_mask;
      unsigned bit = 1 << (diff / EH_ALLOC_ALIGN);
      
      do
	{
	  mask ^= bit;
	  bit <<= 1;
	}
      while (mask & bit);
      eh->alloc_mask = mask;
    }
  else
    free (p);
}

/* Support routines for setjmp/longjmp exception handling.  */

/* Calls to __sjthrow are generated by the compiler when an exception
   is raised when using the setjmp/longjmp exception handling codegen
   method.  */

#ifdef DONT_USE_BUILTIN_SETJMP
extern void longjmp (void *, int);
#endif

/* Routine to get the head of the current thread's dynamic handler chain
   use for exception handling. */

void ***
__get_dynamic_handler_chain (void)
{
  struct eh_context *eh = (*get_eh_context) ();
  return &eh->dynamic_handler_chain;
}

/* This is used to throw an exception when the setjmp/longjmp codegen
   method is used for exception handling.

   We call __terminate if there are no handlers left.  Otherwise we run the
   cleanup actions off the dynamic cleanup stack, and pop the top of the
   dynamic handler chain, and use longjmp to transfer back to the associated
   handler.  */

void
__sjthrow (void)
{
  struct eh_context *eh = (*get_eh_context) ();
  void ***dhc = &eh->dynamic_handler_chain;
  void *jmpbuf;
  void (*func)(void *, int);
  void *arg;
  /* The cleanup chain is one word into the buffer.  Get the cleanup chain. */
  void ***cleanup = (void***)&(*dhc)[1];

  /* If there are any cleanups in the chain, run them now.  */
  if (cleanup[0])
    {
      double store[200];
      void **buf = (void**)store;
      buf[1] = 0;
      buf[0] = (*dhc);

      /* try { */
#ifdef DONT_USE_BUILTIN_SETJMP
      if (! setjmp (&buf[2]))
#else
      if (! __builtin_setjmp (&buf[2]))
#endif
	{
	  *dhc = buf;
	  while (cleanup[0])
	    {
	      func = (void(*)(void*, int))cleanup[0][1];
	      arg = (void*)cleanup[0][2];

	      /* Update this before running the cleanup.  */
	      cleanup[0] = (void **)cleanup[0][0];

	      (*func)(arg, 2);
	    }
	  *dhc = buf[0];
	}
      /* catch (...) */
      else
	{
	  __terminate ();
	}
    }
  
  /* We must call terminate if we try and rethrow an exception, when
     there is no exception currently active and when there are no
     handlers left.  */
  if (! eh->info || (*dhc)[0] == 0)
    __terminate ();
    
  /* Find the jmpbuf associated with the top element of the dynamic
     handler chain.  The jumpbuf starts two words into the buffer.  */
  jmpbuf = &(*dhc)[2];

  /* Then we pop the top element off the dynamic handler chain.  */
  *dhc = (void**)(*dhc)[0];

  /* And then we jump to the handler.  */

#ifdef DONT_USE_BUILTIN_SETJMP
  longjmp (jmpbuf, 1);
#else
  __builtin_longjmp (jmpbuf, 1);
#endif
}

/* Run cleanups on the dynamic cleanup stack for the current dynamic
   handler, then pop the handler off the dynamic handler stack, and
   then throw.  This is used to skip the first handler, and transfer
   control to the next handler in the dynamic handler stack.  */

void
__sjpopnthrow (void)
{
  struct eh_context *eh = (*get_eh_context) ();
  void ***dhc = &eh->dynamic_handler_chain;
  void (*func)(void *, int);
  void *arg;
  /* The cleanup chain is one word into the buffer.  Get the cleanup chain. */
  void ***cleanup = (void***)&(*dhc)[1];

  /* If there are any cleanups in the chain, run them now.  */
  if (cleanup[0])
    {
      double store[200];
      void **buf = (void**)store;
      buf[1] = 0;
      buf[0] = (*dhc);

      /* try { */
#ifdef DONT_USE_BUILTIN_SETJMP
      if (! setjmp (&buf[2]))
#else
      if (! __builtin_setjmp (&buf[2]))
#endif
	{
	  *dhc = buf;
	  while (cleanup[0])
	    {
	      func = (void(*)(void*, int))cleanup[0][1];
	      arg = (void*)cleanup[0][2];

	      /* Update this before running the cleanup.  */
	      cleanup[0] = (void **)cleanup[0][0];

	      (*func)(arg, 2);
	    }
	  *dhc = buf[0];
	}
      /* catch (...) */
      else
	{
	  __terminate ();
	}
    }

  /* Then we pop the top element off the dynamic handler chain.  */
  *dhc = (void**)(*dhc)[0];

  __sjthrow ();
}

/* Support code for all exception region-based exception handling.  */

int
__eh_rtime_match (void *rtime)
{
  void *info;
  __eh_matcher matcher;
  void *ret;

  info = *(__get_eh_info ());
  matcher = ((__eh_info *)info)->match_function;
  if (! matcher)
    {
#ifndef inhibit_libc
      fprintf (stderr, "Internal Compiler Bug: No runtime type matcher.");
#endif
      return 0;
    }
  ret = (*matcher) (info, rtime, (void *)0);
  return (ret != NULL);
}

/* This value identifies the place from which an exception is being
   thrown.  */

#ifdef EH_TABLE_LOOKUP

EH_TABLE_LOOKUP

#else

#ifdef DWARF2_UNWIND_INFO

/* Return the table version of an exception descriptor */

short 
__get_eh_table_version (exception_descriptor *table) 
{
  return table->lang.version;
}

/* Return the originating table language of an exception descriptor */

short 
__get_eh_table_language (exception_descriptor *table)
{
  return table->lang.language;
}

/* This routine takes a PC and a pointer to the exception region TABLE for
   its translation unit, and returns the address of the exception handler
   associated with the closest exception table handler entry associated
   with that PC, or 0 if there are no table entries the PC fits in.

   In the advent of a tie, we have to give the last entry, as it represents
   an inner block.  */

static void *
old_find_exception_handler (void *pc, old_exception_table *table)
{
  if (table)
    {
      int pos;
      int best = -1;

      /* We can't do a binary search because the table isn't guaranteed
         to be sorted from function to function.  */
      for (pos = 0; table[pos].start_region != (void *) -1; ++pos)
        {
          if (table[pos].start_region <= pc && table[pos].end_region > pc)
            {
              /* This can apply.  Make sure it is at least as small as
                 the previous best.  */
              if (best == -1 || (table[pos].end_region <= table[best].end_region
                        && table[pos].start_region >= table[best].start_region))
                best = pos;
            }
          /* But it is sorted by starting PC within a function.  */
          else if (best >= 0 && table[pos].start_region > pc)
            break;
        }
      if (best != -1)
        return table[best].exception_handler;
    }

  return (void *) 0;
}

/* find_exception_handler finds the correct handler, if there is one, to
   handle an exception.
   returns a pointer to the handler which controlled should be transferred
   to, or NULL if there is nothing left.
   Parameters:
   PC - pc where the exception originates. If this is a rethrow, 
        then this starts out as a pointer to the exception table
	entry we wish to rethrow out of.
   TABLE - exception table for the current module.
   EH_INFO - eh info pointer for this exception.
   RETHROW - 1 if this is a rethrow. (see incoming value of PC).
   CLEANUP - returned flag indicating whether this is a cleanup handler.
*/
static void *
find_exception_handler (void *pc, exception_descriptor *table, 
                        __eh_info *eh_info, int rethrow, int *cleanup)
{

  void *retval = NULL;
  *cleanup = 1;
  if (table)
    {
      int pos = 0;
      /* The new model assumed the table is sorted inner-most out so the
         first region we find which matches is the correct one */

      exception_table *tab = &(table->table[0]);

      /* Subtract 1 from the PC to avoid hitting the next region */
      if (rethrow) 
        {
          /* pc is actually the region table entry to rethrow out of */
          pos = ((exception_table *) pc) - tab;
          pc = ((exception_table *) pc)->end_region - 1;

          /* The label is always on the LAST handler entry for a region, 
             so we know the next entry is a different region, even if the
             addresses are the same. Make sure its not end of table tho. */
          if (tab[pos].start_region != (void *) -1)
            pos++;
        }
      else
        pc--;
      
      /* We can't do a binary search because the table is in inner-most
         to outermost address ranges within functions */
      for ( ; tab[pos].start_region != (void *) -1; pos++)
        { 
          if (tab[pos].start_region <= pc && tab[pos].end_region > pc)
            {
              if (tab[pos].match_info)
                {
                  __eh_matcher matcher = eh_info->match_function;
                  /* match info but no matcher is NOT a match */
                  if (matcher) 
                    {
                      void *ret = (*matcher)((void *) eh_info, 
                                             tab[pos].match_info, table);
                      if (ret) 
                        {
                          if (retval == NULL)
                            retval = tab[pos].exception_handler;
                          *cleanup = 0;
                          break;
                        }
                    }
                }
              else
                {
                  if (retval == NULL)
                    retval = tab[pos].exception_handler;
                }
            }
        }
    }
  return retval;
}
#endif /* DWARF2_UNWIND_INFO */
#endif /* EH_TABLE_LOOKUP */

#ifdef DWARF2_UNWIND_INFO
/* Support code for exception handling using static unwind information.  */

#include "frame.h"

/* This type is used in get_reg and put_reg to deal with ABIs where a void*
   is smaller than a word, such as the Irix 6 n32 ABI.  We cast twice to
   avoid a warning about casting between int and pointer of different
   sizes.  */

typedef int ptr_type __attribute__ ((mode (pointer)));

#ifdef INCOMING_REGNO
/* Is the saved value for register REG in frame UDATA stored in a register
   window in the previous frame?  */

/* ??? The Sparc INCOMING_REGNO references TARGET_FLAT.  This allows us
   to use the macro here.  One wonders, though, that perhaps TARGET_FLAT
   compiled functions won't work with the frame-unwind stuff here.  
   Perhaps the entireity of in_reg_window should be conditional on having
   seen a DW_CFA_GNU_window_save?  */
#define target_flags 0

static int
in_reg_window (int reg, frame_state *udata)
{
  if (udata->saved[reg] == REG_SAVED_REG)
    return INCOMING_REGNO (reg) == reg;
  if (udata->saved[reg] != REG_SAVED_OFFSET)
    return 0;

#ifdef STACK_GROWS_DOWNWARD
  return udata->reg_or_offset[reg] > 0;
#else
  return udata->reg_or_offset[reg] < 0;
#endif
}
#else
static inline int
in_reg_window (int reg __attribute__ ((__unused__)),
	       frame_state *udata __attribute__ ((__unused__)))
{
  return 0;
}
#endif /* INCOMING_REGNO */

/* Get the address of register REG as saved in UDATA, where SUB_UDATA is a
   frame called by UDATA or 0.  */

static word_type *
get_reg_addr (unsigned reg, frame_state *udata, frame_state *sub_udata)
{
  while (udata->saved[reg] == REG_SAVED_REG)
    {
      reg = udata->reg_or_offset[reg];
      if (in_reg_window (reg, udata))
	{
          udata = sub_udata;
	  sub_udata = NULL;
	}
    }
  if (udata->saved[reg] == REG_SAVED_OFFSET)
    return (word_type *)(udata->cfa + udata->reg_or_offset[reg]);
  else
    abort ();
}

/* Get the value of register REG as saved in UDATA, where SUB_UDATA is a
   frame called by UDATA or 0.  */

static inline void *
get_reg (unsigned reg, frame_state *udata, frame_state *sub_udata)
{
  return (void *)(ptr_type) *get_reg_addr (reg, udata, sub_udata);
}

/* Overwrite the saved value for register REG in frame UDATA with VAL.  */

static inline void
put_reg (unsigned reg, void *val, frame_state *udata)
{
  *get_reg_addr (reg, udata, NULL) = (word_type)(ptr_type) val;
}

/* Copy the saved value for register REG from frame UDATA to frame
   TARGET_UDATA.  Unlike the previous two functions, this can handle
   registers that are not one word large.  */

static void
copy_reg (unsigned reg, frame_state *udata, frame_state *target_udata)
{
  word_type *preg = get_reg_addr (reg, udata, NULL);
  word_type *ptreg = get_reg_addr (reg, target_udata, NULL);

  memcpy (ptreg, preg, dwarf_reg_size_table [reg]);
}

/* Retrieve the return address for frame UDATA.  */

static inline void *
get_return_addr (frame_state *udata, frame_state *sub_udata)
{
  return __builtin_extract_return_addr
    (get_reg (udata->retaddr_column, udata, sub_udata));
}

/* Overwrite the return address for frame UDATA with VAL.  */

static inline void
put_return_addr (void *val, frame_state *udata)
{
  val = __builtin_frob_return_addr (val);
  put_reg (udata->retaddr_column, val, udata);
}

/* Given the current frame UDATA and its return address PC, return the
   information about the calling frame in CALLER_UDATA.  */

static void *
next_stack_level (void *pc, frame_state *udata, frame_state *caller_udata)
{
  caller_udata = __frame_state_for (pc, caller_udata);
  if (! caller_udata)
    return 0;

  /* Now go back to our caller's stack frame.  If our caller's CFA register
     was saved in our stack frame, restore it; otherwise, assume the CFA
     register is SP and restore it to our CFA value.  */
  if (udata->saved[caller_udata->cfa_reg])
    caller_udata->cfa = get_reg (caller_udata->cfa_reg, udata, 0);
  else
    caller_udata->cfa = udata->cfa;
  if (caller_udata->indirect)
    caller_udata->cfa = * (void **) ((unsigned char *)caller_udata->cfa 
				     + caller_udata->base_offset);
  caller_udata->cfa += caller_udata->cfa_offset;

  return caller_udata;
}

/* Hook to call before __terminate if only cleanup handlers remain. */
void 
__unwinding_cleanup (void)
{
}

/* throw_helper performs some of the common grunt work for a throw. This
   routine is called by throw and rethrows. This is pretty much split 
   out from the old __throw routine. An addition has been added which allows
   for a dummy call to a routine __unwinding_cleanup() when there are nothing
   but cleanups remaining. This allows a debugger to examine the state
   at which the throw was executed, before any cleanups, rather than
   at the terminate point after the stack has been unwound.

   EH is the current eh_context structure.
   PC is the address of the call to __throw.
   MY_UDATA is the unwind information for __throw.
   OFFSET_P is where we return the SP adjustment offset.  */

static void *
throw_helper (struct eh_context *eh, void *pc, frame_state *my_udata,
	      long *offset_p)
{
  frame_state ustruct2, *udata = &ustruct2;
  frame_state ustruct;
  frame_state *sub_udata = &ustruct;
  void *saved_pc = pc;
  void *handler;
  void *handler_p = 0;
  void *pc_p = 0;
  frame_state saved_ustruct;
  int new_eh_model;
  int cleanup = 0;
  int only_cleanup = 0;
  int rethrow = 0;
  int saved_state = 0;
  long args_size;
  __eh_info *eh_info = (__eh_info *)eh->info;

  /* Do we find a handler based on a re-throw PC? */
  if (eh->table_index != (void *) 0)
    rethrow = 1;

  memcpy (udata, my_udata, sizeof (*udata));

  handler = (void *) 0;
  for (;;)
    { 
      frame_state *p = udata;
      udata = next_stack_level (pc, udata, sub_udata);
      sub_udata = p;

      /* If we couldn't find the next frame, we lose.  */
      if (! udata)
	break;

      if (udata->eh_ptr == NULL)
        new_eh_model = 0;
      else
        new_eh_model = (((exception_descriptor *)(udata->eh_ptr))->
                                          runtime_id_field == NEW_EH_RUNTIME);

      if (rethrow) 
        {
          rethrow = 0;
          handler = find_exception_handler (eh->table_index, udata->eh_ptr, 
                                          eh_info, 1, &cleanup);
          eh->table_index = (void *)0;
        }
      else
        if (new_eh_model)
          handler = find_exception_handler (pc, udata->eh_ptr, eh_info, 
                                            0, &cleanup);
        else
          handler = old_find_exception_handler (pc, udata->eh_ptr);

      /* If we found one, we can stop searching, if its not a cleanup. 
         for cleanups, we save the state, and keep looking. This allows
         us to call a debug hook if there are nothing but cleanups left. */
      if (handler)
	{
	  if (cleanup)
	    {
	      if (!saved_state)
		{
		  saved_ustruct = *udata;
		  handler_p = handler;
		  pc_p = pc;
		  saved_state = 1;
		  only_cleanup = 1;
		}
	    }
	  else
	    {
	      only_cleanup = 0;
	      break;
	    }
	}

      /* Otherwise, we continue searching.  We subtract 1 from PC to avoid
	 hitting the beginning of the next region.  */
      pc = get_return_addr (udata, sub_udata) - 1;
    }

  if (saved_state) 
    {
      udata = &saved_ustruct;
      handler = handler_p;
      pc = pc_p;
      if (only_cleanup)
        __unwinding_cleanup ();
    }

  /* If we haven't found a handler by now, this is an unhandled
     exception.  */
  if (! handler) 
    __terminate();

  eh->handler_label = handler;

  args_size = udata->args_size;

  if (pc == saved_pc)
    /* We found a handler in the throw context, no need to unwind.  */
    udata = my_udata;
  else
    {
      int i;

      /* Unwind all the frames between this one and the handler by copying
	 their saved register values into our register save slots.  */

      /* Remember the PC where we found the handler.  */
      void *handler_pc = pc;

      /* Start from the throw context again.  */
      pc = saved_pc;
      memcpy (udata, my_udata, sizeof (*udata));

      while (pc != handler_pc)
	{
	  frame_state *p = udata;
	  udata = next_stack_level (pc, udata, sub_udata);
	  sub_udata = p;

	  for (i = 0; i < DWARF_FRAME_REGISTERS; ++i)
	    if (i != udata->retaddr_column && udata->saved[i])
	      {
		/* If you modify the saved value of the return address
		   register on the SPARC, you modify the return address for
		   your caller's frame.  Don't do that here, as it will
		   confuse get_return_addr.  */
		if (in_reg_window (i, udata)
		    && udata->saved[udata->retaddr_column] == REG_SAVED_REG
		    && udata->reg_or_offset[udata->retaddr_column] == i)
		  continue;
		copy_reg (i, udata, my_udata);
	      }

	  pc = get_return_addr (udata, sub_udata) - 1;
	}

      /* But we do need to update the saved return address register from
	 the last frame we unwind, or the handler frame will have the wrong
	 return address.  */
      if (udata->saved[udata->retaddr_column] == REG_SAVED_REG)
	{
	  i = udata->reg_or_offset[udata->retaddr_column];
	  if (in_reg_window (i, udata))
	    copy_reg (i, udata, my_udata);
	}
    }
  /* udata now refers to the frame called by the handler frame.  */

  /* We adjust SP by the difference between __throw's CFA and the CFA for
     the frame called by the handler frame, because those CFAs correspond
     to the SP values at the two call sites.  We need to further adjust by
     the args_size of the handler frame itself to get the handler frame's
     SP from before the args were pushed for that call.  */
#ifdef STACK_GROWS_DOWNWARD
  *offset_p = udata->cfa - my_udata->cfa + args_size;
#else
  *offset_p = my_udata->cfa - udata->cfa - args_size;
#endif
		       
  return handler;
}


/* We first search for an exception handler, and if we don't find
   it, we call __terminate on the current stack frame so that we may
   use the debugger to walk the stack and understand why no handler
   was found.

   If we find one, then we unwind the frames down to the one that
   has the handler and transfer control into the handler.  */

/*extern void __throw(void) __attribute__ ((__noreturn__));*/

void
__throw (void)
{
  struct eh_context *eh = (*get_eh_context) ();
  void *pc, *handler;
  long offset;

  /* XXX maybe make my_ustruct static so we don't have to look it up for
     each throw.  */
  frame_state my_ustruct, *my_udata = &my_ustruct;

  /* This is required for C++ semantics.  We must call terminate if we
     try and rethrow an exception, when there is no exception currently
     active.  */
  if (! eh->info)
    __terminate ();
    
  /* Start at our stack frame.  */
label:
  my_udata = __frame_state_for (&&label, my_udata);
  if (! my_udata)
    __terminate ();

  /* We need to get the value from the CFA register. */
  my_udata->cfa = __builtin_dwarf_cfa ();

  /* Do any necessary initialization to access arbitrary stack frames.
     On the SPARC, this means flushing the register windows.  */
  __builtin_unwind_init ();

  /* Now reset pc to the right throw point.  */
  pc = __builtin_extract_return_addr (__builtin_return_address (0)) - 1;

  handler = throw_helper (eh, pc, my_udata, &offset);

  /* Now go!  */

  __builtin_eh_return ((void *)eh, offset, handler);

  /* Epilogue:  restore the handler frame's register values and return
     to the stub.  */
}

/*extern void __rethrow(void *) __attribute__ ((__noreturn__));*/

void
__rethrow (void *index)
{
  struct eh_context *eh = (*get_eh_context) ();
  void *pc, *handler;
  long offset;

  /* XXX maybe make my_ustruct static so we don't have to look it up for
     each throw.  */
  frame_state my_ustruct, *my_udata = &my_ustruct;

  /* This is required for C++ semantics.  We must call terminate if we
     try and rethrow an exception, when there is no exception currently
     active.  */
  if (! eh->info)
    __terminate ();

  /* This is the table index we want to rethrow from. The value of
     the END_REGION label is used for the PC of the throw, and the
     search begins with the next table entry. */
  eh->table_index = index;
    
  /* Start at our stack frame.  */
label:
  my_udata = __frame_state_for (&&label, my_udata);
  if (! my_udata)
    __terminate ();

  /* We need to get the value from the CFA register. */
  my_udata->cfa = __builtin_dwarf_cfa ();

  /* Do any necessary initialization to access arbitrary stack frames.
     On the SPARC, this means flushing the register windows.  */
  __builtin_unwind_init ();

  /* Now reset pc to the right throw point.  */
  pc = __builtin_extract_return_addr (__builtin_return_address (0)) - 1;

  handler = throw_helper (eh, pc, my_udata, &offset);

  /* Now go!  */

  __builtin_eh_return ((void *)eh, offset, handler);

  /* Epilogue:  restore the handler frame's register values and return
     to the stub.  */
}
#endif /* DWARF2_UNWIND_INFO */

#ifdef IA64_UNWIND_INFO
#include "frame.h"

/* Return handler to which we want to transfer control, NULL if we don't
   intend to handle this exception here.  */
void *
__ia64_personality_v1 (void *pc, old_exception_table *table)
{
  if (table)
    {
      int pos;
      int best = -1;

      for (pos = 0; table[pos].start_region != (void *) -1; ++pos)
        {
          if (table[pos].start_region <= pc && table[pos].end_region > pc)
            {
              /* This can apply.  Make sure it is at least as small as
                 the previous best.  */
              if (best == -1 || (table[pos].end_region <= table[best].end_region
                        && table[pos].start_region >= table[best].start_region))
                best = pos;
            }
          /* It is sorted by starting PC within a function.  */
          else if (best >= 0 && table[pos].start_region > pc)
            break;
        }
      if (best != -1)
        return table[best].exception_handler;
    }
  return (void *) 0;
}

static void
ia64_throw_helper (ia64_frame_state *throw_frame, ia64_frame_state *caller,
		   void *throw_bsp, void *throw_sp)
{
  void *throw_pc = __builtin_return_address (0);
  unwind_info_ptr *info;
  void *pc, *handler = NULL;
  void *pc_base;
  int frame_count;
  void *bsp;

  __builtin_ia64_flushrs ();      /*  Make the local register stacks available.  */

  /* Start at our stack frame, get our state.  */
  __build_ia64_frame_state (throw_pc, throw_frame, throw_bsp, throw_sp,
			    &pc_base);

  /* Now we have to find the proper frame for pc, and see if there
     is a handler for it. if not, we keep going back frames until
     we do find one. Otherwise we call uncaught ().  */

  frame_count = 0;
  memcpy (caller, throw_frame, sizeof (*caller));
  while (!handler)
    {
      void *(*personality) ();
      void *eh_table;

      frame_count++;
      /* We only care about the RP right now, so we dont need to keep
         any other information about a call frame right now.  */
      pc = __get_real_reg_value (&caller->rp) - 1;
      bsp = __calc_caller_bsp ((long)__get_real_reg_value (&caller->pfs),
			       caller->my_bsp);
      info = __build_ia64_frame_state (pc, caller, bsp, caller->my_psp,
				       &pc_base);

      /* If we couldn't find the next frame, we lose.  */
      if (! info)
	break;

      personality = __get_personality (info); 
      /* TODO Haven't figured out how to actually load the personality address
         yet, so just always default to the one we expect for now.  */
      if (personality != 0)
	personality = __ia64_personality_v1;
      eh_table = __get_except_table (info);
      /* If there is no personality routine, we'll keep unwinding.  */
      if (personality)
	/* Pass a segment relative PC address to the personality routine,
	   because the unwind_info section uses segrel relocs.  */
	handler = personality (pc - pc_base, eh_table);
    }
  
  if (!handler)
    __terminate ();

  /* Handler is a segment relative address, so we must adjust it here.  */
  handler += (long) pc_base;

  /* If we found a handler, we need to unwind the stack to that point.
     We do this by copying saved values from previous frames into the
     save slot for the throw_frame saved slots.  when __throw returns,
     it'll pickup the correct values.  */
  
  /* Start with where __throw saved things, and copy each saved register
     of each previous frame until we get to the one before we're 
     throwing back to.  */
  memcpy (caller, throw_frame, sizeof (*caller));
  for ( ; frame_count > 0; frame_count--)
    {
      pc = __get_real_reg_value (&caller->rp) - 1;
      bsp = __calc_caller_bsp ((long)__get_real_reg_value (&caller->pfs),
			       caller->my_bsp);
      __build_ia64_frame_state (pc, caller, bsp, caller->my_psp, &pc_base);
      /* Any regs that were saved can be put in the throw frame now.  */
      /* We don't want to copy any saved register from the 
         target destination, but we do want to load up it's frame.  */
      if (frame_count > 1)
	__copy_saved_reg_state (throw_frame, caller);
    }

  /* Set return address of the throw frame to the handler. */
  __set_real_reg_value (&throw_frame->rp, handler);

  /* TODO, do we need to do anything to make the values we wrote 'stick'? */
  /* DO we need to go through the whole loadrs seqeunce?  */
}


void
__throw ()
{
  register void *stack_pointer __asm__("r12");
  struct eh_context *eh = (*get_eh_context) ();
  ia64_frame_state my_frame;
  ia64_frame_state originator;	/* For the context handler is in.  */
  void *bsp, *tmp_bsp;
  long offset;

  /* This is required for C++ semantics.  We must call terminate if we
     try and rethrow an exception, when there is no exception currently
     active.  */
  if (! eh->info)
    __terminate ();

  __builtin_unwind_init ();

  /* We have to call another routine to actually process the frame 
     information, which will force all of __throw's local registers into
     backing store.  */

  /* Get the value of ar.bsp while we're here.  */

  bsp = __builtin_ia64_bsp ();
  ia64_throw_helper (&my_frame, &originator, bsp, stack_pointer);

  /* Now we have to fudge the bsp by the amount in our (__throw)
     frame marker, since the return is going to adjust it by that much. */

  tmp_bsp = __calc_caller_bsp ((long)__get_real_reg_value (&my_frame.pfs), 
			     my_frame.my_bsp);
  offset = (char *)my_frame.my_bsp - (char *)tmp_bsp;
  tmp_bsp = (char *)originator.my_bsp + offset;

  __builtin_eh_return (tmp_bsp, offset, originator.my_sp);

  /* The return address was already set by throw_helper.  */
}

#endif /* IA64_UNWIND_INFO  */

#endif /* L_eh */