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Add some new instructions. Fix the asm string for sbb32rr 

llvm-svn: 16759
This commit is contained in:
Chris Lattner 2004-10-06 04:01:02 +00:00
parent 2ce32df8b0
commit e9bfa5a2a4
3 changed files with 24 additions and 3 deletions
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17
llvm/lib/Target/X86/X86InstrInfo.td
View File

@ -966,19 +966,34 @@ let isTwoAddress = 0 in {
}
def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
"adc{l} {$src2, $dst|$dst, $src2}">;
"sbb{l} {$src2, $dst|$dst, $src2}">;
let isTwoAddress = 0 in {
def SBB32mr : I<0x19, MRMDestMem, (ops i32mem:$dst, R32:$src2),
"sbb{l} {$src2, $dst|$dst, $src2}">;
def SBB8mi : Ii32<0x80, MRM3m, (ops i8mem:$dst, i8imm:$src2),
"sbb{b} {$src2, $dst|$dst, $src2}">;
def SBB16mi : Ii32<0x81, MRM3m, (ops i16mem:$dst, i16imm:$src2),
"sbb{w} {$src2, $dst|$dst, $src2}">, OpSize;
def SBB32mi : Ii32<0x81, MRM3m, (ops i32mem:$dst, i32imm:$src2),
"sbb{l} {$src2, $dst|$dst, $src2}">;
def SBB16mi8 : Ii8<0x83, MRM3m, (ops i16mem:$dst, i8imm :$src2),
"sbb{w} {$src2, $dst|$dst, $src2}">, OpSize;
def SBB32mi8 : Ii8<0x83, MRM3m, (ops i32mem:$dst, i8imm :$src2),
"sbb{l} {$src2, $dst|$dst, $src2}">;
}
def SBB8ri : Ii8<0x80, MRM3r, (ops R8:$dst, R8:$src1, i8imm:$src2),
"sbb{b} {$src2, $dst|$dst, $src2}">;
def SBB16ri : Ii16<0x81, MRM3r, (ops R16:$dst, R16:$src1, i16imm:$src2),
"sbb{w} {$src2, $dst|$dst, $src2}">, OpSize;
def SBB32rm : I<0x1B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
"sbb{l} {$src2, $dst|$dst, $src2}">;
def SBB32ri : Ii32<0x81, MRM3r, (ops R32:$dst, R32:$src1, i32imm:$src2),
"sbb{l} {$src2, $dst|$dst, $src2}">;
def SBB16ri8 : Ii16<0x83, MRM3r, (ops R16:$dst, R16:$src1, i8imm:$src2),
"sbb{w} {$src2, $dst|$dst, $src2}">, OpSize;
def SBB32ri8 : Ii8<0x83, MRM3r, (ops R32:$dst, R32:$src1, i8imm:$src2),
"sbb{l} {$src2, $dst|$dst, $src2}">;

8
llvm/lib/Target/X86/X86PeepholeOpt.cpp
View File

@ -124,7 +124,8 @@ bool PH::PeepholeOptimize(MachineBasicBlock &MBB,
#endif
case X86::ADD16ri: case X86::ADD32ri: case X86::ADC32ri:
case X86::SUB16ri: case X86::SUB32ri: case X86::SBB32ri:
case X86::SUB16ri: case X86::SUB32ri:
case X86::SBB16ri: case X86::SBB32ri:
case X86::AND16ri: case X86::AND32ri:
case X86::OR16ri: case X86::OR32ri:
case X86::XOR16ri: case X86::XOR32ri:
@ -141,6 +142,7 @@ bool PH::PeepholeOptimize(MachineBasicBlock &MBB,
case X86::ADC32ri: Opcode = X86::ADC32ri8; break;
case X86::SUB16ri: Opcode = X86::SUB16ri8; break;
case X86::SUB32ri: Opcode = X86::SUB32ri8; break;
case X86::SBB16ri: Opcode = X86::SBB16ri8; break;
case X86::SBB32ri: Opcode = X86::SBB32ri8; break;
case X86::AND16ri: Opcode = X86::AND16ri8; break;
case X86::AND32ri: Opcode = X86::AND32ri8; break;
@ -159,7 +161,8 @@ bool PH::PeepholeOptimize(MachineBasicBlock &MBB,
return false;
case X86::ADD16mi: case X86::ADD32mi: case X86::ADC32mi:
case X86::SUB16mi: case X86::SUB32mi: case X86::SBB32mi:
case X86::SUB16mi: case X86::SUB32mi:
case X86::SBB16mi: case X86::SBB32mi:
case X86::AND16mi: case X86::AND32mi:
case X86::OR16mi: case X86::OR32mi:
case X86::XOR16mi: case X86::XOR32mi:
@ -176,6 +179,7 @@ bool PH::PeepholeOptimize(MachineBasicBlock &MBB,
case X86::ADC32mi: Opcode = X86::ADC32mi8; break;
case X86::SUB16mi: Opcode = X86::SUB16mi8; break;
case X86::SUB32mi: Opcode = X86::SUB32mi8; break;
case X86::SBB16mi: Opcode = X86::SBB16mi8; break;
case X86::SBB32mi: Opcode = X86::SBB32mi8; break;
case X86::AND16mi: Opcode = X86::AND16mi8; break;
case X86::AND32mi: Opcode = X86::AND32mi8; break;

2
llvm/lib/Target/X86/X86RegisterInfo.cpp
View File

@ -178,6 +178,8 @@ MachineInstr* X86RegisterInfo::foldMemoryOperand(MachineInstr* MI,
case X86::SUB16rr: return MakeMRInst(X86::SUB16mr, FrameIndex, MI);
case X86::SUB32rr: return MakeMRInst(X86::SUB32mr, FrameIndex, MI);
case X86::SBB32rr: return MakeMRInst(X86::SBB32mr, FrameIndex, MI);
case X86::SBB8ri: return MakeMIInst(X86::SBB8mi, FrameIndex, MI);
case X86::SBB16ri: return MakeMIInst(X86::SBB16mi, FrameIndex, MI);
case X86::SBB32ri: return MakeMIInst(X86::SBB32mi, FrameIndex, MI);
case X86::SUB8ri: return MakeMIInst(X86::SUB8mi , FrameIndex, MI);
case X86::SUB16ri: return MakeMIInst(X86::SUB16mi, FrameIndex, MI);