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| author | Michael Matz <matz@suse.de> | 2016-07-11 18:53:44 +0200 |
|---|---|---|
| committer | Michael Matz <matz@suse.de> | 2016-12-15 17:47:08 +0100 |
| commit | f6c1eb10e2b1f61210484958b181df20c6b0cad2 (patch) | |
| tree | 3b55bde30fbb2c444d359351ae57b73a7c961034 /x86_64-asm.h | |
| parent | 2b618c1ab4b9a4b8bd9c362cff070fa40cd03353 (diff) | |
| download | tinycc-f6c1eb10e2b1f61210484958b181df20c6b0cad2.tar.gz tinycc-f6c1eb10e2b1f61210484958b181df20c6b0cad2.tar.bz2 | |
x86-asm: Implement fxrstorq and fxsaveq
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) |