diff options
Diffstat (limited to 'asm.peg')
| -rw-r--r-- | asm.peg | 12 |
1 files changed, 10 insertions, 2 deletions
@@ -140,7 +140,7 @@ call = "call" 'q'? ws ( ) jmp = 'j' v:jmp-variant ws t:ident - { $$.jmp = (Jmp) {.kind = ASM_JMP, .variant=v.i64, .target=t.charptr}; } + { $$.jmp = (Jmp) {.kind = ASM_JMP, .cc=v.i64, .target=t.charptr}; } jmp-variant = "mp" { $$.i64 = 0; } @@ -550,7 +550,15 @@ xchg = "xchg" ( | 'l'? ws s:mem ws? ',' ws? d:r32 { $$ = MEMREG(-1, (Rex){0}, 0x87, s, d); } | 'q'? ws s:mem ws? ',' ws? d:r64 { $$ = MEMREG(-1, (Rex){.w=1}, 0x87, s, d); } ) - + +%{ + static uint8_t cc2setop[30] = { + 0x94, 0x98, 0x9b, 0x9a, 0x9a, 0x90, 0x95, 0x99, 0x9b, 0x91, + 0x9f, 0x9d, 0x9c, 0x9e, 0x95, 0x93, 0x97, 0x93, 0x92, 0x96, + 0x9e, 0x9c, 0x9d, 0x9f, 0x94, 0x92, 0x96, 0x92, 0x93, 0x97, + }; +%} + set = "set" cc:condition-code ( 'b'? ws a:r8 { $$ = OPREG(-1, (Rex){0}, 0x01000f00 | cc2setop[cc.i64], 0x00, a) } | 'b'? ws a:mem { $$ = OPMEM(-1, (Rex){0}, 0x01000f00 | cc2setop[cc.i64], 0x00, a) } |