diff options
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.def')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.def | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.def b/lib/Target/X86/X86InstrInfo.def index 73a03b4429..fa242b2d34 100644 --- a/lib/Target/X86/X86InstrInfo.def +++ b/lib/Target/X86/X86InstrInfo.def @@ -56,6 +56,16 @@ I(MULrr8 , "mulb", 0, 0) // AX = AL*R8 F6/4 I(MULrr16 , "mulw", 0, 0) // DX:AX= AX*R16 F7/4 I(MULrr32 , "mull", 0, 0) // ED:EA= EA*R32 F7/4 +// unsigned division/remainder +I(DIVrr8 , "divb", 0, 0) // AX/r8= AL&AH F6/6 +I(DIVrr16 , "divw", 0, 0) // DA/r16=AX&DX F7/6 +I(DIVrr32 , "divl", 0, 0) // DA/r32=EAX&DX F7/6 + +// signed division/remainder +I(IDIVrr8 , "idivb", 0, 0) // AX/r8= AL&AH F6/6 +I(IDIVrr16 , "idivw", 0, 0) // DA/r16=AX&DX F7/6 +I(IDIVrr32 , "idivl", 0, 0) // DA/r32=EAX&DX F7/6 + // Logical operators I(ANDrr8 , "andb", 0, 0) // R8 &= R8 20/r @@ -88,5 +98,11 @@ I(SARir16 , "sarw", 0, 0) // R16 >>= imm8 C1/7 ib I(SARrr32 , "sarl", 0, 0) // R32 >>= cl D3/7 I(SARir32 , "sarl", 0, 0) // R32 >>= imm8 C1/7 ib + +// Miscellaneous instructions... +I(CBW , "cbw", 0, 0) // AH = signext(AL) 98 +I(CWD , "cwd", 0, 0) // DX = signext(AX) 99 +I(CWQ , "cwq", 0, 0) // EDX= signext(EAX) 99 + // At this point, I is dead, so undefine the macro #undef I |