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| author | Jim Wilson <wilson@tuliptree.org> | 1992-09-16 00:23:52 +0000 |
|---|---|---|
| committer | Jim Wilson <wilson@tuliptree.org> | 1992-09-16 00:23:52 +0000 |
| commit | 23996caa33cba0811673d5d2642437850eb82084 (patch) | |
| tree | fe49fa80ab17cc159ed5387d72e8b3f6a53d50c7 /opcodes/sparc-opc.c | |
| parent | 5640944588014155afff369a7da8c0cd9882ad9b (diff) | |
| download | gdb-23996caa33cba0811673d5d2642437850eb82084.zip gdb-23996caa33cba0811673d5d2642437850eb82084.tar.gz gdb-23996caa33cba0811673d5d2642437850eb82084.tar.bz2 | |
Update to SPARC V9 draft 1.1. Put brfcx before brfc to avoid superfluous
symbol table entries. Document unimplemented synthetic instructions.
Diffstat (limited to 'opcodes/sparc-opc.c')
| -rw-r--r-- | opcodes/sparc-opc.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/opcodes/sparc-opc.c b/opcodes/sparc-opc.c index 40240f8..b8206fb 100644 --- a/opcodes/sparc-opc.c +++ b/opcodes/sparc-opc.c @@ -23,6 +23,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ instruction's name rather than the args. This would make gas faster, pinsn slower, but would mess up some macros a bit. xoxorich. */ +/* v9 FIXME: Doesn't accept `iprefetch', `setX', `signx', `cleartop', `cas', + `casx', `clrx', `clruw' synthetic instructions for v9. */ + #include <stdio.h> #include "ansidecl.h" #define BFD_EMIT_TABLE @@ -37,7 +40,7 @@ const char *architecture_pname[] = { NULL, }; -/* v9: This file is correct for SPARC Version 9 Draft 1.0.4. */ +/* v9: This file is correct for SPARC Version 9 Draft 1.1. */ #define COND(x) (((x)&0xf)<<25) #define MCOND(x,i_or_f) ((((i_or_f)&1)<<18)|(((x)>>11)&(0xf<<14))) /* v9 */ @@ -1686,10 +1689,15 @@ cond ("bz", "tz", CONDZ, F_ALIAS), /* for e */ { opcode, FBFCC(3)|(mask)|BPRED, ANNUL|FBFCC(~3)|(lose), ",T 9,G", flags|F_DELAYED, v9 }, \ { opcode, FBFCC(3)|(mask)|BPRED|ANNUL, FBFCC(~3)|(lose), ",a,T 9,G", flags|F_DELAYED, v9 } +/* v9: We must put `brfcx' before `brfc', to ensure that we never match + v9: something against an expression unless it is an expression. Otherwise, + v9: we end up with undefined symbol tables entries, because they get added, + v9: but are not deleted if the pattern fails to match. */ + #define condfc(fop, cop, mask, flags) \ - brfc(fop, F2(0, 6)|COND(mask), F2(~0, ~6)|COND(~(mask)), flags), \ brfcx(fop, F2(0, 5)|COND(mask), F2(~0, ~5)|COND(~(mask)), flags), /* v9 */ \ - brfc(cop, F2(0, 7)|COND(mask), F2(~0, ~7)|COND(~(mask)), flags) \ + brfc(fop, F2(0, 6)|COND(mask), F2(~0, ~6)|COND(~(mask)), flags), \ + brfc(cop, F2(0, 7)|COND(mask), F2(~0, ~7)|COND(~(mask)), flags) #define condf(fop, mask, flags) \ brfcx(fop, F2(0, 5)|COND(mask), F2(~0, ~5)|COND(~(mask)), flags), /* v9 */ \ @@ -1723,7 +1731,8 @@ condfc("fbule", "cb013", 0xe, 0), { "jmp", F3(2, 0x38, 0), F3(~2, ~0x38, ~0)|RD_G0|ASI_RS2(~0), "1", F_DELAYED, v6 }, /* jmpl rs1+%g0,%g0 */ { "jmp", F3(2, 0x38, 1), F3(~2, ~0x38, ~1)|RD_G0, "1+i", F_DELAYED, v6 }, /* jmpl rs1+i,%g0 */ { "jmp", F3(2, 0x38, 1), F3(~2, ~0x38, ~1)|RD_G0, "i+1", F_DELAYED, v6 }, /* jmpl i+rs1,%g0 */ -{ "jmp", F3(2, 0x38, 1), F3(~2, ~0x38, ~1)|RD_G0|RS1_G0, "i", F_DELAYED, v6 }, /* jmpl %g0+i,%g0 */ +{ "jmp", F3(2, 0x38, 1), F3(~2, ~0x38, ~1)|RD_G0|RS1_G0, "i", F_DELAYED, v6 }, /* jmpl %g0+i,%g0 */ +{ "jmp", F3(2, 0x38, 1), F3(~2, ~0x38, ~1)|RD_G0|SIMM13(~0), "1", F_DELAYED, v6 }, /* jmpl rs1+0,%g0 */ { "nop", F2(0, 4), 0xfeffffff, "", 0, v6 }, /* sethi 0, %g0 */ |