diff options
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.td')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index d222bead62..cd023cc74f 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -706,14 +706,6 @@ def IDIV16m: I<0xF7, MRM7m, (ops i16mem:$src), // DX:AX/[mem16] = AX,DX def IDIV32m: I<0xF7, MRM7m, (ops i32mem:$src), // EDX:EAX/[mem32] = EAX,EDX "idiv{l} $src", []>, Imp<[EAX,EDX],[EAX,EDX]>; -// Sign-extenders for division. -def CBW : I<0x98, RawFrm, (ops), - "{cbtw|cbw}", []>, Imp<[AL],[AH]>; // AX = signext(AL) -def CWD : I<0x99, RawFrm, (ops), - "{cwtd|cwd}", []>, Imp<[AX],[DX]>; // DX:AX = signext(AX) -def CDQ : I<0x99, RawFrm, (ops), - "{cltd|cdq}", []>, Imp<[EAX],[EDX]>; // EDX:EAX = signext(EAX) - //===----------------------------------------------------------------------===// // Two address Instructions... @@ -2285,6 +2277,16 @@ def MOVZX32rm16: I<0xB7, MRMSrcMem, (ops GR32:$dst, i16mem:$src), "movz{wl|x} {$src, $dst|$dst, $src}", [(set GR32:$dst, (zextloadi32i16 addr:$src))]>, TB; +def CBW : I<0x98, RawFrm, (ops), + "{cbtw|cbw}", []>, Imp<[AL],[AX]>; // AX = signext(AL) +def CWDE : I<0x98, RawFrm, (ops), + "{cwtl|cwde}", []>, Imp<[AX],[EAX]>; // EAX = signext(AX) + +def CWD : I<0x99, RawFrm, (ops), + "{cwtd|cwd}", []>, Imp<[AX],[AX,DX]>; // DX:AX = signext(AX) +def CDQ : I<0x99, RawFrm, (ops), + "{cltd|cdq}", []>, Imp<[EAX],[EAX,EDX]>; // EDX:EAX = signext(EAX) + //===----------------------------------------------------------------------===// // Miscellaneous Instructions //===----------------------------------------------------------------------===// |