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add signed versions of the extra precision multiplies

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21106 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-04-06 04:19:22 +00:00
parent 8f52980f03
commit 1e6a71524e
2 changed files with 16 additions and 0 deletions
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13
lib/Target/X86/X86InstrInfo.td
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@ -339,6 +339,19 @@ def MUL16m : I<0xF7, MRM4m, (ops i16mem:$src),
def MUL32m : I<0xF7, MRM4m, (ops i32mem:$src),
"mul{l} $src">, Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
def IMUL8r : I<0xF6, MRM5r, (ops R8:$src), "imul{b} $src">,
Imp<[AL],[AX]>; // AL,AH = AL*R8
def IMUL16r : I<0xF7, MRM5r, (ops R16:$src), "imul{w} $src">,
Imp<[AX],[AX,DX]>, OpSize; // AX,DX = AX*R16
def IMUL32r : I<0xF7, MRM5r, (ops R32:$src), "imul{l} $src">,
Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*R32
def IMUL8m : I<0xF6, MRM5m, (ops i8mem :$src),
"imul{b} $src">, Imp<[AL],[AX]>; // AL,AH = AL*[mem8]
def IMUL16m : I<0xF7, MRM5m, (ops i16mem:$src),
"imul{w} $src">, Imp<[AX],[AX,DX]>, OpSize;// AX,DX = AX*[mem16]
def IMUL32m : I<0xF7, MRM5m, (ops i32mem:$src),
"imul{l} $src">, Imp<[EAX],[EAX,EDX]>; // EAX,EDX = EAX*[mem32]
// unsigned division/remainder
def DIV8r : I<0xF6, MRM6r, (ops R8:$src), // AX/r8 = AL,AH
"div{b} $src">, Imp<[AX],[AX]>;

3
lib/Target/X86/X86RegisterInfo.cpp
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@ -149,6 +149,9 @@ MachineInstr* X86RegisterInfo::foldMemoryOperand(MachineInstr* MI,
case X86::MUL8r: return MakeMInst( X86::MUL8m , FrameIndex, MI);
case X86::MUL16r: return MakeMInst( X86::MUL16m, FrameIndex, MI);
case X86::MUL32r: return MakeMInst( X86::MUL32m, FrameIndex, MI);
case X86::IMUL8r: return MakeMInst( X86::IMUL8m , FrameIndex, MI);
case X86::IMUL16r: return MakeMInst( X86::IMUL16m, FrameIndex, MI);
case X86::IMUL32r: return MakeMInst( X86::IMUL32m, FrameIndex, MI);
case X86::DIV8r: return MakeMInst( X86::DIV8m , FrameIndex, MI);
case X86::DIV16r: return MakeMInst( X86::DIV16m, FrameIndex, MI);
case X86::DIV32r: return MakeMInst( X86::DIV32m, FrameIndex, MI);