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Add some sub patterns.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24675 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2005-12-12 21:54:05 +00:00
parent e5280536a3
commit d160d48a2b
1 changed files with 24 additions and 13 deletions
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37
lib/Target/X86/X86InstrInfo.td
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@ -1261,11 +1261,14 @@ def SUB32rr : I<0x29, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),
"sub{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (sub R32:$src1, R32:$src2))]>;
def SUB8rm : I<0x2A, MRMSrcMem, (ops R8 :$dst, R8 :$src1, i8mem :$src2),
"sub{b} {$src2, $dst|$dst, $src2}", []>;
"sub{b} {$src2, $dst|$dst, $src2}",
[(set R8:$dst, (sub R8:$src1, (load addr:$src2)))]>;
def SUB16rm : I<0x2B, MRMSrcMem, (ops R16:$dst, R16:$src1, i16mem:$src2),
"sub{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
"sub{w} {$src2, $dst|$dst, $src2}",
[(set R16:$dst, (sub R16:$src1, (load addr:$src2)))]>, OpSize;
def SUB32rm : I<0x2B, MRMSrcMem, (ops R32:$dst, R32:$src1, i32mem:$src2),
"sub{l} {$src2, $dst|$dst, $src2}", []>;
"sub{l} {$src2, $dst|$dst, $src2}",
[(set R32:$dst, (sub R32:$src1, (load addr:$src2)))]>;
def SUB8ri : Ii8 <0x80, MRM5r, (ops R8:$dst, R8:$src1, i8imm:$src2),
"sub{b} {$src2, $dst|$dst, $src2}",
@ -1284,21 +1287,29 @@ def SUB32ri8 : Ii8<0x83, MRM5r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
[(set R32:$dst, (sub R32:$src1, immSExt8:$src2))]>;
let isTwoAddress = 0 in {
def SUB8mr : I<0x28, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
"sub{b} {$src2, $dst|$dst, $src2}", []>;
"sub{b} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), R8:$src2), addr:$dst)]>;
def SUB16mr : I<0x29, MRMDestMem, (ops i16mem:$dst, R16:$src2),
"sub{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
"sub{w} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), R16:$src2), addr:$dst)]>, OpSize;
def SUB32mr : I<0x29, MRMDestMem, (ops i32mem:$dst, R32:$src2),
"sub{l} {$src2, $dst|$dst, $src2}", []>;
"sub{l} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), R32:$src2), addr:$dst)]>;
def SUB8mi : Ii8<0x80, MRM5m, (ops i8mem :$dst, i8imm:$src2),
"sub{b} {$src2, $dst|$dst, $src2}", []>;
"sub{b} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), (i8 imm:$src2)), addr:$dst)]>;
def SUB16mi : Ii16<0x81, MRM5m, (ops i16mem:$dst, i16imm:$src2),
"sub{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
"sub{w} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), (i16 imm:$src2)), addr:$dst)]>, OpSize;
def SUB32mi : Ii32<0x81, MRM5m, (ops i32mem:$dst, i32imm:$src2),
"sub{l} {$src2, $dst|$dst, $src2}", []>;
def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i8imm :$src2),
"sub{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i8imm :$src2),
"sub{l} {$src2, $dst|$dst, $src2}", []>;
"sub{l} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), (i32 imm:$src2)), addr:$dst)]>;
def SUB16mi8 : Ii8<0x83, MRM5m, (ops i16mem:$dst, i16i8imm :$src2),
"sub{w} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), (i16 immSExt8:$src2)), addr:$dst)]>, OpSize;
def SUB32mi8 : Ii8<0x83, MRM5m, (ops i32mem:$dst, i32i8imm :$src2),
"sub{l} {$src2, $dst|$dst, $src2}",
[(store (sub (load addr:$dst), (i32 immSExt8:$src2)), addr:$dst)]>;
}
def SBB32rr : I<0x19, MRMDestReg, (ops R32:$dst, R32:$src1, R32:$src2),