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Add a few more add / store patterns. e.g. ADD32mi8.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24670 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2005-12-12 19:45:23 +00:00
parent 8621789fcc
commit ee93f9db87
1 changed files with 18 additions and 10 deletions
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28
lib/Target/X86/X86InstrInfo.td
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@ -1206,21 +1206,29 @@ def ADD32ri8 : Ii8<0x83, MRM0r, (ops R32:$dst, R32:$src1, i32i8imm:$src2),
let isTwoAddress = 0 in {
def ADD8mr : I<0x00, MRMDestMem, (ops i8mem :$dst, R8 :$src2),
"add{b} {$src2, $dst|$dst, $src2}", []>;
"add{b} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), R8:$src2), addr:$dst)]>;
def ADD16mr : I<0x01, MRMDestMem, (ops i16mem:$dst, R16:$src2),
"add{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
"add{w} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), R16:$src2), addr:$dst)]>, OpSize;
def ADD32mr : I<0x01, MRMDestMem, (ops i32mem:$dst, R32:$src2),
"add{l} {$src2, $dst|$dst, $src2}", []>;
"add{l} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), R32:$src2), addr:$dst)]>;
def ADD8mi : Ii8<0x80, MRM0m, (ops i8mem :$dst, i8imm :$src2),
"add{b} {$src2, $dst|$dst, $src2}", []>;
"add{b} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), (i8 imm:$src2)), addr:$dst)]>;
def ADD16mi : Ii16<0x81, MRM0m, (ops i16mem:$dst, i16imm:$src2),
"add{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
"add{w} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), (i16 imm:$src2)), addr:$dst)]>, OpSize;
def ADD32mi : Ii32<0x81, MRM0m, (ops i32mem:$dst, i32imm:$src2),
"add{l} {$src2, $dst|$dst, $src2}", []>;
def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i8imm :$src2),
"add{w} {$src2, $dst|$dst, $src2}", []>, OpSize;
def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i8imm :$src2),
"add{l} {$src2, $dst|$dst, $src2}", []>;
"add{l} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), (i32 imm:$src2)), addr:$dst)]>;
def ADD16mi8 : Ii8<0x83, MRM0m, (ops i16mem:$dst, i16i8imm :$src2),
"add{w} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), (i16 immSExt8:$src2)), addr:$dst)]>, OpSize;
def ADD32mi8 : Ii8<0x83, MRM0m, (ops i32mem:$dst, i32i8imm :$src2),
"add{l} {$src2, $dst|$dst, $src2}",
[(store (add (load addr:$dst), (i32 immSExt8:$src2)), addr:$dst)]>;
}
let isCommutable = 1 in { // X = ADC Y, Z --> X = ADC Z, Y