diff options
Diffstat (limited to 'x86_64-asm.h')
| -rw-r--r-- | x86_64-asm.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/x86_64-asm.h b/x86_64-asm.h index c590c57..ef04d02 100644 --- a/x86_64-asm.h +++ b/x86_64-asm.h @@ -347,6 +347,12 @@ ALT(DEF_ASM_OP1(fstsw, 0xdd, 7, OPC_MODRM | OPC_FWAIT, OPT_EA )) DEF_ASM_OP1(ffreep, 0xdfc0, 4, OPC_REG, OPT_ST ) DEF_ASM_OP1(fxsave, 0x0fae, 0, OPC_MODRM, OPT_EA ) DEF_ASM_OP1(fxrstor, 0x0fae, 1, OPC_MODRM, OPT_EA ) + /* The *q forms of fxrstor/fxsave use a REX prefix. + If the operand would use extended registers we would have to modify + it instead of generating a second one. Currently that's no + problem with TCC, we don't use extended registers. */ + DEF_ASM_OP1(fxsaveq, 0x480fae, 0, OPC_MODRM, OPT_EA ) + DEF_ASM_OP1(fxrstorq, 0x480fae, 1, OPC_MODRM, OPT_EA ) /* segments */ DEF_ASM_OP2(arpl, 0x63, 0, OPC_MODRM, OPT_REG16, OPT_REG16 | OPT_EA) |