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| author | Ian Lance Taylor <ian@airs.com> | 1997-08-26 16:22:36 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@airs.com> | 1997-08-26 16:22:36 +0000 |
| commit | c2367582a07222fc86ed7b8cb3f0d0804e0bc279 (patch) | |
| tree | 364128c8e459c772028ce7bcbf078da870283667 /include | |
| parent | 3f1a33d6736d504f6935087905db07a5c908ea5e (diff) | |
| download | gdb-c2367582a07222fc86ed7b8cb3f0d0804e0bc279.zip gdb-c2367582a07222fc86ed7b8cb3f0d0804e0bc279.tar.gz gdb-c2367582a07222fc86ed7b8cb3f0d0804e0bc279.tar.bz2 | |
* i386.h (JUMP_ON_CX_ZERO): Uncomment (define again).
(JUMP_ON_EXC_ZERO): Remove commented out macro.
Diffstat (limited to 'include')
| -rw-r--r-- | include/opcode/ChangeLog | 5 | ||||
| -rw-r--r-- | include/opcode/i386.h | 18 |
2 files changed, 12 insertions, 11 deletions
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog index be09a38..0d49961 100644 --- a/include/opcode/ChangeLog +++ b/include/opcode/ChangeLog @@ -1,3 +1,8 @@ +Tue Aug 26 12:21:52 1997 Ian Lance Taylor <ian@cygnus.com> + + * i386.h (JUMP_ON_CX_ZERO): Uncomment (define again). + (JUMP_ON_EXC_ZERO): Remove commented out macro. + Fri Aug 22 10:38:29 1997 Nick Clifton <nickc@cygnus.com> * v850.h (V850_NOT_R0): New flag. diff --git a/include/opcode/i386.h b/include/opcode/i386.h index e4b7579..08b4fe7 100644 --- a/include/opcode/i386.h +++ b/include/opcode/i386.h @@ -343,17 +343,10 @@ static const template i386_optab[] = { {"jnle", 1, 0x7f, _, Jump, { Disp, 0, 0} }, {"jg", 1, 0x7f, _, Jump, { Disp, 0, 0} }, -#if 0 /* XXX where are these macros used? - To get them working again, they need to take - an entire template as the parameter, - and check for Data16/Data32 flags. */ -/* these turn into pseudo operations when disp is larger than 8 bits */ #define IS_JUMP_ON_CX_ZERO(o) \ - (o == 0x66e3) -#define IS_JUMP_ON_ECX_ZERO(o) \ (o == 0xe3) -#endif +/* jcxz vs. jecxz is chosen on the basis of the address size prefix. */ {"jcxz", 1, 0xe3, _, JumpByte|Data16, { Disp, 0, 0} }, {"jecxz", 1, 0xe3, _, JumpByte|Data32, { Disp, 0, 0} }, @@ -535,6 +528,7 @@ static const template i386_optab[] = { /* comparison (with pop) */ {"fcomp", 1, 0xd8d8, _, ShortForm, { FloatReg, 0, 0} }, +{"fcomp", 0, 0xd8d9, _, NoModrm, {0, 0, 0} }, /* fcomp %st, %st(1) */ {"fcomps", 1, 0xd8, 3, Modrm, { Mem, 0, 0} }, /* compare %st0, mem float */ {"ficompl", 1, 0xda, 3, Modrm, { Mem, 0, 0} }, /* compare %st0, mem word */ {"fcompl", 1, 0xdc, 3, Modrm, { Mem, 0, 0} }, /* compare %st0, mem double */ @@ -777,6 +771,8 @@ static const template i386_optab[] = { /* Pentium Pro extensions */ {"rdpmc", 0, 0x0f33, _, NoModrm, { 0, 0, 0} }, +{"ud2", 0, 0x0fff, _, NoModrm, {0, 0, 0} }, /* official undefined instr. */ + {"cmovo", 2, 0x0f40, _, Modrm|ReverseRegRegmem, { WordReg|WordMem, WordReg, 0} }, {"cmovno", 2, 0x0f41, _, Modrm|ReverseRegRegmem, { WordReg|WordMem, WordReg, 0} }, {"cmovb", 2, 0x0f42, _, Modrm|ReverseRegRegmem, { WordReg|WordMem, WordReg, 0} }, @@ -811,8 +807,8 @@ static const template i386_optab[] = { /* MMX instructions. */ {"emms", 0, 0x0f77, _, NoModrm, { 0, 0, 0 } }, -{"movd", 2, 0x0f6e, _, Modrm, { WordReg|WordMem, RegMMX, 0 } }, -{"movd", 2, 0x0f7e, _, Modrm, { RegMMX, WordReg|WordMem, 0 } }, +{"movd", 2, 0x0f6e, _, Modrm, { Reg32|WordMem, RegMMX, 0 } }, +{"movd", 2, 0x0f7e, _, Modrm, { RegMMX, Reg32|WordMem, 0 } }, {"movq", 2, 0x0f6f, _, Modrm, { RegMMX|WordMem, RegMMX, 0 } }, {"movq", 2, 0x0f7f, _, Modrm, { RegMMX, RegMMX|WordMem, 0 } }, {"packssdw", 2, 0x0f6b, _, Modrm, { RegMMX|WordMem, RegMMX, 0 } }, @@ -825,7 +821,7 @@ static const template i386_optab[] = { {"paddsw", 2, 0x0fed, _, Modrm, { RegMMX|WordMem, RegMMX, 0 } }, {"paddusb", 2, 0x0fdc, _, Modrm, { RegMMX|WordMem, RegMMX, 0 } }, {"paddusw", 2, 0x0fdd, _, Modrm, { RegMMX|WordMem, RegMMX, 0 } }, -{"pand", 2, 0x0fda, _, Modrm, { RegMMX|WordMem, RegMMX, 0 } }, +{"pand", 2, 0x0fdb, _, Modrm, { RegMMX|WordMem, RegMMX, 0 } }, {"pandn", 2, 0x0fdf, _, Modrm, { RegMMX|WordMem, RegMMX, 0 } }, {"pcmpeqb", 2, 0x0f74, _, Modrm, { RegMMX|WordMem, RegMMX, 0 } }, {"pcmpeqw", 2, 0x0f75, _, Modrm, { RegMMX|WordMem, RegMMX, 0 } }, |