diff options
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 11 | ||||
| -rw-r--r-- | gas/config/tc-ppc.c | 5 | ||||
| -rw-r--r-- | gas/messages.c | 18 | ||||
| -rw-r--r-- | gas/testsuite/gas/ppc/ppc.exp | 1 | ||||
| -rw-r--r-- | gas/testsuite/gas/ppc/prefix-pcrel.d | 235 | ||||
| -rw-r--r-- | gas/testsuite/gas/ppc/prefix-pcrel.s | 121 |
6 files changed, 380 insertions, 11 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index a747a98..2d05746 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,6 +1,17 @@ 2019-05-24 Peter Bergner <bergner@linux.ibm.com> Alan Modra <amodra@gmail.com> + * config/tc-ppc.c (ppc_insert_operand): Only sign extend fields that + are 32-bits or smaller. + * messages.c (as_internal_value_out_of_range): Do not truncate + variables and use BFD_VMA_FMT to print them. + * testsuite/gas/ppc/prefix-pcrel.s, + * testsuite/gas/ppc/prefix-pcrel.d: New test. + * testsuite/gas/ppc/ppc.exp: Run it. + +2019-05-24 Peter Bergner <bergner@linux.ibm.com> + Alan Modra <amodra@gmail.com> + * config/tc-ppc.c (ppc_setup_opcodes): Handle prefix_opcodes. (struct insn_label_list): New. (insn_labels, free_insn_labels): New variables. diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c index 4abb5b8..4026c72 100644 --- a/gas/config/tc-ppc.c +++ b/gas/config/tc-ppc.c @@ -1987,8 +1987,10 @@ ppc_insert_operand (uint64_t insn, hand but only up to 32 bits. This shouldn't really be valid, but, to permit this code to assemble on a 64-bit host, we sign extend the 32-bit value to 64 bits if so doing makes the - value valid. */ + value valid. We only do this for operands that are 32-bits or + smaller. */ if (val > max + && (operand->bitm & ~0xffffffffULL) == 0 && (val - (1LL << 32)) >= min && (val - (1LL << 32)) <= max && ((val - (1LL << 32)) & (right - 1)) == 0) @@ -1997,6 +1999,7 @@ ppc_insert_operand (uint64_t insn, /* Similarly, people write expressions like ~(1<<15), and expect this to be OK for a 32-bit unsigned value. */ else if (val < min + && (operand->bitm & ~0xffffffffULL) == 0 && (val + (1LL << 32)) >= min && (val + (1LL << 32)) <= max && ((val + (1LL << 32)) & (right - 1)) == 0) diff --git a/gas/messages.c b/gas/messages.c index 95471a6..b7d82f5 100644 --- a/gas/messages.c +++ b/gas/messages.c @@ -397,13 +397,12 @@ as_internal_value_out_of_range (const char *prefix, abort (); /* xgettext:c-format */ - err = _("%s out of domain (%d is not a multiple of %d)"); + err = _("%s out of domain (%" BFD_VMA_FMT "d is not a multiple of %" \ + BFD_VMA_FMT "d)"); if (bad) - as_bad_where (file, line, err, - prefix, (int) val, (int) right); + as_bad_where (file, line, err, prefix, val, right); else - as_warn_where (file, line, err, - prefix, (int) val, (int) right); + as_warn_where (file, line, err, prefix, val, right); return; } @@ -415,14 +414,13 @@ as_internal_value_out_of_range (const char *prefix, && max > HEX_MIN_THRESHOLD) { /* xgettext:c-format */ - err = _("%s out of range (%d is not between %d and %d)"); + err = _("%s out of range (%" BFD_VMA_FMT "d is not between %" \ + BFD_VMA_FMT "d and %" BFD_VMA_FMT "d)"); if (bad) - as_bad_where (file, line, err, - prefix, (int) val, (int) min, (int) max); + as_bad_where (file, line, err, prefix, val, min, max); else - as_warn_where (file, line, err, - prefix, (int) val, (int) min, (int) max); + as_warn_where (file, line, err, prefix, val, min, max); } else { diff --git a/gas/testsuite/gas/ppc/ppc.exp b/gas/testsuite/gas/ppc/ppc.exp index 6be042b..aa199d5 100644 --- a/gas/testsuite/gas/ppc/ppc.exp +++ b/gas/testsuite/gas/ppc/ppc.exp @@ -115,3 +115,4 @@ run_dump_test "vsx3" run_dump_test "htm" run_dump_test "titan" run_dump_test "prefix-align" +run_dump_test "prefix-pcrel" diff --git a/gas/testsuite/gas/ppc/prefix-pcrel.d b/gas/testsuite/gas/ppc/prefix-pcrel.d new file mode 100644 index 0000000..a0ca60f --- /dev/null +++ b/gas/testsuite/gas/ppc/prefix-pcrel.d @@ -0,0 +1,235 @@ +#as: -mfuture +#objdump: -dr -Mfuture +#name: POWERXX pcrel tests + +.* + + +Disassembly of section \.text: + +0+00 <prefix>: +.*: (06 00 00 00|00 00 00 06) paddi r10,r9,0 +.*: (39 49 00 00|00 00 49 39) +.*: (06 00 00 00|00 00 00 06) paddi r10,r9,0 +.*: (39 49 00 00|00 00 49 39) +.*: (06 00 00 00|00 00 00 06) paddi r10,r9,0 +.*: (39 49 00 00|00 00 49 39) +.*: (06 03 ff ff|ff ff 03 06) paddi r11,r9,-32769 +.*: (39 69 7f ff|ff 7f 69 39) +.*: (06 03 ff ff|ff ff 03 06) paddi r11,r9,-32769 +.*: (39 69 7f ff|ff 7f 69 39) +.*: (06 03 ff ff|ff ff 03 06) paddi r11,r9,-32769 +.*: (39 69 7f ff|ff 7f 69 39) +.*: (06 01 ff ff|ff ff 01 06) paddi r12,r9,8589934591 +.*: (39 89 ff ff|ff ff 89 39) +.*: (06 01 ff ff|ff ff 01 06) paddi r12,r9,8589934591 +.*: (39 89 ff ff|ff ff 89 39) +.*: (06 01 ff ff|ff ff 01 06) paddi r12,r9,8589934591 +.*: (39 89 ff ff|ff ff 89 39) +.*: (06 01 ff ff|ff ff 01 06) paddi r12,r9,8589934591 +.*: (39 89 ff ff|ff ff 89 39) +.*: (06 01 ff ff|ff ff 01 06) paddi r12,r9,8589934591 +.*: (39 89 ff ff|ff ff 89 39) +.*: (06 02 00 00|00 00 02 06) paddi r13,r9,-8589934592 +.*: (39 a9 00 00|00 00 a9 39) +.*: (06 02 00 00|00 00 02 06) paddi r13,r9,-8589934592 +.*: (39 a9 00 00|00 00 a9 39) +.*: (06 02 00 00|00 00 02 06) paddi r13,r9,-8589934592 +.*: (39 a9 00 00|00 00 a9 39) +.*: (06 02 00 00|00 00 02 06) paddi r13,r9,-8589934592 +.*: (39 a9 00 00|00 00 a9 39) +.*: (06 02 00 00|00 00 02 06) paddi r13,r9,-8589934592 +.*: (39 a9 00 00|00 00 a9 39) +.*: (06 10 00 00|00 00 10 06) pla r14,0 +.*: (39 c0 00 00|00 00 c0 39) +.*: (06 10 00 00|00 00 10 06) pla r14,0 +.*: (39 c0 00 00|00 00 c0 39) +.*: (06 13 ff ff|ff ff 13 06) pla r15,-32769 +.*: (39 e0 7f ff|ff 7f e0 39) +.*: (06 13 ff ff|ff ff 13 06) pla r15,-32769 +.*: (39 e0 7f ff|ff 7f e0 39) +.*: (06 13 ff ff|ff ff 13 06) pla r15,-32769 +.*: (39 e0 7f ff|ff 7f e0 39) +.*: (06 11 ff ff|ff ff 11 06) pla r16,8589934591 +.*: (3a 00 ff ff|ff ff 00 3a) +.*: (06 11 ff ff|ff ff 11 06) pla r16,8589934591 +.*: (3a 00 ff ff|ff ff 00 3a) +.*: (06 11 ff ff|ff ff 11 06) pla r16,8589934591 +.*: (3a 00 ff ff|ff ff 00 3a) +.*: (06 12 00 00|00 00 12 06) pla r17,-8589934592 +.*: (3a 20 00 00|00 00 20 3a) +.*: (06 12 00 00|00 00 12 06) pla r17,-8589934592 +.*: (3a 20 00 00|00 00 20 3a) +.*: (06 12 00 00|00 00 12 06) pla r17,-8589934592 +.*: (3a 20 00 00|00 00 20 3a) +.*: (06 00 00 00|00 00 00 06) pli r20,13 +.*: (3a 80 00 0d|0d 00 80 3a) +.*: (06 00 00 00|00 00 00 06) pli r20,13 +.*: (3a 80 00 0d|0d 00 80 3a) +.*: (06 00 00 00|00 00 00 06) pli r20,13 +.*: (3a 80 00 0d|0d 00 80 3a) +.*: (06 00 00 00|00 00 00 06) pli r20,13 +.*: (3a 80 00 0d|0d 00 80 3a) +.*: (06 03 ff ff|ff ff 03 06) pli r21,-32769 +.*: (3a a0 7f ff|ff 7f a0 3a) +.*: (06 03 ff ff|ff ff 03 06) pli r21,-32769 +.*: (3a a0 7f ff|ff 7f a0 3a) +.*: (06 03 ff ff|ff ff 03 06) pli r21,-32769 +.*: (3a a0 7f ff|ff 7f a0 3a) +.*: (06 01 ff ff|ff ff 01 06) pli r22,8589934591 +.*: (3a c0 ff ff|ff ff c0 3a) +.*: (06 01 ff ff|ff ff 01 06) pli r22,8589934591 +.*: (3a c0 ff ff|ff ff c0 3a) +.*: (06 01 ff ff|ff ff 01 06) pli r22,8589934591 +.*: (3a c0 ff ff|ff ff c0 3a) +.*: (06 01 ff ff|ff ff 01 06) pli r22,8589934591 +.*: (3a c0 ff ff|ff ff c0 3a) +.*: (06 01 ff ff|ff ff 01 06) pli r22,8589934591 +.*: (3a c0 ff ff|ff ff c0 3a) +.*: (06 01 ff ff|ff ff 01 06) pli r22,8589934591 +.*: (3a c0 ff ff|ff ff c0 3a) +.*: (06 02 00 00|00 00 02 06) pli r23,-8589934592 +.*: (3a e0 00 00|00 00 e0 3a) +.*: (06 02 00 00|00 00 02 06) pli r23,-8589934592 +.*: (3a e0 00 00|00 00 e0 3a) +.*: (06 02 00 00|00 00 02 06) pli r23,-8589934592 +.*: (3a e0 00 00|00 00 e0 3a) +.*: (06 02 00 00|00 00 02 06) pli r23,-8589934592 +.*: (3a e0 00 00|00 00 e0 3a) +.*: (06 02 00 00|00 00 02 06) pli r23,-8589934592 +.*: (3a e0 00 00|00 00 e0 3a) +.*: (06 02 00 00|00 00 02 06) pli r23,-8589934592 +.*: (3a e0 00 00|00 00 e0 3a) +.*: (06 00 00 00|00 00 00 06) plbz r3,0\(r1\) +.*: (88 61 00 00|00 00 61 88) +.*: (06 00 00 00|00 00 00 06) plbz r3,0\(r1\) +.*: (88 61 00 00|00 00 61 88) +.*: (06 03 ff ff|ff ff 03 06) plbz r3,-32769\(r1\) +.*: (88 61 7f ff|ff 7f 61 88) +.*: (06 03 ff ff|ff ff 03 06) plbz r3,-32769\(r1\) +.*: (88 61 7f ff|ff 7f 61 88) +.*: (06 01 ff ff|ff ff 01 06) plbz r3,8589934591\(r1\) +.*: (88 61 ff ff|ff ff 61 88) +.*: (06 01 ff ff|ff ff 01 06) plbz r3,8589934591\(r1\) +.*: (88 61 ff ff|ff ff 61 88) +.*: (06 02 00 00|00 00 02 06) plbz r3,-8589934592\(r1\) +.*: (88 61 00 00|00 00 61 88) +.*: (06 02 00 00|00 00 02 06) plbz r3,-8589934592\(r1\) +.*: (88 61 00 00|00 00 61 88) +.*: (06 00 00 00|00 00 00 06) plbz r3,0\(0\) +.*: (88 60 00 00|00 00 60 88) +.*: (06 10 00 00|00 00 10 06) plbz r4,0 +.*: (88 80 00 00|00 00 80 88) +.*: (06 10 00 00|00 00 10 06) plbz r4,0 +.*: (88 80 00 00|00 00 80 88) +.*: (06 03 ff ff|ff ff 03 06) plbz r3,-32769\(0\) +.*: (88 60 7f ff|ff 7f 60 88) +.*: (06 13 ff ff|ff ff 13 06) plbz r4,-32769 +.*: (88 80 7f ff|ff 7f 80 88) +.*: (06 13 ff ff|ff ff 13 06) plbz r4,-32769 +.*: (88 80 7f ff|ff 7f 80 88) +.*: (06 01 ff ff|ff ff 01 06) plbz r3,8589934591\(0\) +.*: (88 60 ff ff|ff ff 60 88) +.*: (06 11 ff ff|ff ff 11 06) plbz r4,8589934591 +.*: (88 80 ff ff|ff ff 80 88) +.*: (06 11 ff ff|ff ff 11 06) plbz r4,8589934591 +.*: (88 80 ff ff|ff ff 80 88) +.*: (06 02 00 00|00 00 02 06) plbz r3,-8589934592\(0\) +.*: (88 60 00 00|00 00 60 88) +.*: (06 12 00 00|00 00 12 06) plbz r4,-8589934592 +.*: (88 80 00 00|00 00 80 88) +.*: (06 12 00 00|00 00 12 06) plbz r4,-8589934592 +.*: (88 80 00 00|00 00 80 88) +.*: (06 00 00 00|00 00 00 06) plhz r5,4\(r10\) +.*: (a0 aa 00 04|04 00 aa a0) +.*: (06 10 00 00|00 00 10 06) plhz r5,4 +.*: (a0 a0 00 04|04 00 a0 a0) +.*: (06 00 00 00|00 00 00 06) plha r6,8\(r10\) +.*: (a8 ca 00 08|08 00 ca a8) +.*: (06 10 00 00|00 00 10 06) plha r6,8 +.*: (a8 c0 00 08|08 00 c0 a8) +.*: (06 00 00 00|00 00 00 06) plwz r7,12\(r10\) +.*: (80 ea 00 0c|0c 00 ea 80) +.*: (06 10 00 00|00 00 10 06) plwz r7,12 +.*: (80 e0 00 0c|0c 00 e0 80) +.*: (04 00 00 00|00 00 00 04) plwa r8,16\(r10\) +.*: (a5 0a 00 10|10 00 0a a5) +.*: (04 10 00 00|00 00 10 04) plwa r8,16 +.*: (a5 00 00 10|10 00 00 a5) +.*: (04 00 00 00|00 00 00 04) pld r9,20\(r10\) +.*: (e5 2a 00 14|14 00 2a e5) +.*: (04 10 00 00|00 00 10 04) pld r9,20 +.*: (e5 20 00 14|14 00 20 e5) +.*: (06 00 00 00|00 00 00 06) plfs f10,24\(r10\) +.*: (c1 4a 00 18|18 00 4a c1) +.*: (06 10 00 00|00 00 10 06) plfs f10,24 +.*: (c1 40 00 18|18 00 40 c1) +.*: (06 00 00 00|00 00 00 06) plfd f11,28\(r10\) +.*: (c9 6a 00 1c|1c 00 6a c9) +.*: (06 10 00 00|00 00 10 06) plfd f11,28 +.*: (c9 60 00 1c|1c 00 60 c9) +.*: (04 00 00 00|00 00 00 04) plxsd v13,36\(r10\) +.*: (a9 aa 00 24|24 00 aa a9) +.*: (04 10 00 00|00 00 10 04) plxsd v13,36 +.*: (a9 a0 00 24|24 00 a0 a9) +.*: (04 00 00 00|00 00 00 04) plxssp v14,40\(r10\) +.*: (ad ca 00 28|28 00 ca ad) +.*: (04 10 00 00|00 00 10 04) plxssp v14,40 +.*: (ad c0 00 28|28 00 c0 ad) +.*: (04 00 00 00|00 00 00 04) plq r16,48\(r10\) +.*: (e2 0a 00 30|30 00 0a e2) +.*: (04 10 00 00|00 00 10 04) plq r16,48 +.*: (e2 00 00 30|30 00 00 e2) +.*: (04 00 00 00|00 00 00 04) plxv vs17,64\(r10\) +.*: (ca 2a 00 40|40 00 2a ca) +.*: (04 10 00 00|00 00 10 04) plxv vs17,64 +.*: (ca 20 00 40|40 00 20 ca) +.*: (04 00 00 00|00 00 00 04) plxv vs34,64\(r10\) +.*: (cc 4a 00 40|40 00 4a cc) +.*: (04 10 00 00|00 00 10 04) plxv vs34,64 +.*: (cc 40 00 40|40 00 40 cc) +.*: (06 00 00 00|00 00 00 06) pstb r3,52\(r11\) +.*: (98 6b 00 34|34 00 6b 98) +.*: (06 10 00 00|00 00 10 06) pstb r3,52 +.*: (98 60 00 34|34 00 60 98) +.*: (06 00 00 00|00 00 00 06) psth r4,56\(r11\) +.*: (b0 8b 00 38|38 00 8b b0) +.*: (06 10 00 00|00 00 10 06) psth r4,56 +.*: (b0 80 00 38|38 00 80 b0) +.*: (06 00 00 00|00 00 00 06) pstw r5,60\(r11\) +.*: (90 ab 00 3c|3c 00 ab 90) +.*: (06 10 00 00|00 00 10 06) pstw r5,60 +.*: (90 a0 00 3c|3c 00 a0 90) +.*: (06 00 00 00|00 00 00 06) pstfs f6,64\(r11\) +.*: (d0 cb 00 40|40 00 cb d0) +.*: (06 10 00 00|00 00 10 06) pstfs f6,64 +.*: (d0 c0 00 40|40 00 c0 d0) +.*: (06 00 00 00|00 00 00 06) pstfd f7,68\(r11\) +.*: (d8 eb 00 44|44 00 eb d8) +.*: (06 10 00 00|00 00 10 06) pstfd f7,68 +.*: (d8 e0 00 44|44 00 e0 d8) +.*: (04 00 00 00|00 00 00 04) pstxsd v9,76\(r11\) +.*: (b9 2b 00 4c|4c 00 2b b9) +.*: (04 10 00 00|00 00 10 04) pstxsd v9,76 +.*: (b9 20 00 4c|4c 00 20 b9) +.*: (04 00 00 00|00 00 00 04) pstxssp v10,80\(r11\) +.*: (bd 4b 00 50|50 00 4b bd) +.*: (04 10 00 00|00 00 10 04) pstxssp v10,80 +.*: (bd 40 00 50|50 00 40 bd) +.*: (04 00 00 00|00 00 00 04) pstd r11,84\(r11\) +.*: (f5 6b 00 54|54 00 6b f5) +.*: (04 10 00 00|00 00 10 04) pstd r11,84 +.*: (f5 60 00 54|54 00 60 f5) +.*: (04 00 00 00|00 00 00 04) pstq r12,88\(r11\) +.*: (f1 8b 00 58|58 00 8b f1) +.*: (04 10 00 00|00 00 10 04) pstq r12,88 +.*: (f1 80 00 58|58 00 80 f1) +.*: (04 00 00 00|00 00 00 04) pstxv vs13,96\(r11\) +.*: (d9 ab 00 60|60 00 ab d9) +.*: (04 10 00 00|00 00 10 04) pstxv vs13,96 +.*: (d9 a0 00 60|60 00 a0 d9) +.*: (04 00 00 00|00 00 00 04) pstxv vs63,96\(r11\) +.*: (df eb 00 60|60 00 eb df) +.*: (04 10 00 00|00 00 10 04) pstxv vs63,96 +.*: (df e0 00 60|60 00 e0 df) +#pass diff --git a/gas/testsuite/gas/ppc/prefix-pcrel.s b/gas/testsuite/gas/ppc/prefix-pcrel.s new file mode 100644 index 0000000..c3831d8 --- /dev/null +++ b/gas/testsuite/gas/ppc/prefix-pcrel.s @@ -0,0 +1,121 @@ + .text +prefix: + # The following should all disassemble to: paddi rX,rY,disp + pla 10,0(9) + paddi 10,9,0 + paddi 10,9,0,0 + pla 11,~(1<<15)(9) + paddi 11,9,~(1<<15) + paddi 11,9,~(1<<15),0 + pla 12,8589934591(9) + psubi 12,9,-8589934591 + psubi 12,9,-8589934591,0 + paddi 12,9,8589934591 + paddi 12,9,8589934591,0 + pla 13,-8589934592(9) + psubi 13,9,8589934592 + psubi 13,9,8589934592,0 + paddi 13,9,-8589934592 + paddi 13,9,-8589934592,0 + + # The following should all disassemble to: pla rX,disp + pla 14,0 + paddi 14,0,0,1 + pla 15,~(1<<15) + psubi 15,0,-(~(1<<15)),1 + paddi 15,0,~(1<<15),1 + pla 16,8589934591 + psubi 16,0,-8589934591,1 + paddi 16,0,8589934591,1 + pla 17,-8589934592 + psubi 17,0,8589934592,1 + paddi 17,0,-8589934592,1 + + # The following should all disassemble to: pli rX,immed + pli 20,13 + pla 20,13(0) + psubi 20,0,-13 + paddi 20,0,13 + pli 21,~(1<<15) + pla 21,~(1<<15)(0) + paddi 21,0,~(1<<15) + pli 22,8589934591 + pla 22,8589934591(0) + psubi 22,0,-8589934591 + psubi 22,0,-8589934591,0 + paddi 22,0,8589934591 + paddi 22,0,8589934591,0 + pli 23,-8589934592 + pla 23,-8589934592(0) + psubi 23,0,8589934592 + psubi 23,0,8589934592,0 + paddi 23,0,-8589934592 + paddi 23,0,-8589934592,0 + + # Tests of prefix loads and stores + plbz 3,0(1) + plbz 3,0(1),0 + plbz 3,~(1<<15)(1) + plbz 3,~(1<<15)(1),0 + plbz 3,8589934591(1) + plbz 3,8589934591(1),0 + plbz 3,-8589934592(1) + plbz 3,-8589934592(1),0 + plbz 3,0(0) + plbz 4,0(0),1 + plbz 4,0 + plbz 3,~(1<<15)(0) + plbz 4,~(1<<15)(0),1 + plbz 4,~(1<<15) + plbz 3,8589934591(0) + plbz 4,8589934591(0),1 + plbz 4,8589934591 + plbz 3,-8589934592(0) + plbz 4,-8589934592(0),1 + plbz 4,-8589934592 + plhz 5,4(10),0 + plhz 5,4(0),1 + plha 6,8(10),0 + plha 6,8(0),1 + plwz 7,12(10),0 + plwz 7,12(0),1 + plwa 8,16(10),0 + plwa 8,16(0),1 + pld 9,20(10),0 + pld 9,20(0),1 + plfs 10,24(10),0 + plfs 10,24(0),1 + plfd 11,28(10),0 + plfd 11,28(0),1 + plxsd 13,36(10),0 + plxsd 13,36(0),1 + plxssp 14,40(10),0 + plxssp 14,40(0),1 + plq 16,48(10),0 + plq 16,48(0),1 + plxv 17,64(10),0 + plxv 17,64(0),1 + plxv 34,64(10),0 + plxv 34,64(0),1 + pstb 3,52(11),0 + pstb 3,52(0),1 + psth 4,56(11),0 + psth 4,56(0),1 + pstw 5,60(11),0 + pstw 5,60(0),1 + pstfs 6,64(11),0 + pstfs 6,64(0),1 + pstfd 7,68(11),0 + pstfd 7,68(0),1 + pstxsd 9,76(11),0 + pstxsd 9,76(0),1 + pstxssp 10,80(11),0 + pstxssp 10,80(0),1 + pstd 11,84(11),0 + pstd 11,84(0),1 + pstq 12,88(11),0 + pstq 12,88(0),1 + pstxv 13,96(11),0 + pstxv 13,96(0),1 + pstxv 63,96(11),0 + pstxv 63,96(0),1 |