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Provide addc and subc

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70748 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2009-05-03 13:13:34 +00:00
parent ea54c9846b
commit b8f03c9578
1 changed files with 45 additions and 0 deletions
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45
lib/Target/MSP430/MSP430InstrInfo.td
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@ -727,3 +727,48 @@ def : Pat<(add GR16:$src1, (MSP430Wrapper tglobaladdr :$src2)),
// calls
def : Pat<(MSP430call (i16 tglobaladdr:$dst)),
(CALLi tglobaladdr:$dst)>;
// add and sub always produce carry
def : Pat<(addc GR16:$src1, GR16:$src2),
(ADD16rr GR16:$src1, GR16:$src2)>;
def : Pat<(addc GR16:$src1, (load addr:$src2)),
(ADD16rm GR16:$src1, addr:$src2)>;
def : Pat<(addc GR16:$src1, imm:$src2),
(ADD16ri GR16:$src1, imm:$src2)>;
def : Pat<(store (addc (load addr:$dst), GR16:$src), addr:$dst),
(ADD16mr addr:$dst, GR16:$src)>;
def : Pat<(store (addc (load addr:$dst), (i16 (load addr:$src))), addr:$dst),
(ADD16mm addr:$dst, addr:$src)>;
def : Pat<(addc GR8:$src1, GR8:$src2),
(ADD8rr GR8:$src1, GR8:$src2)>;
def : Pat<(addc GR8:$src1, (load addr:$src2)),
(ADD8rm GR8:$src1, addr:$src2)>;
def : Pat<(addc GR8:$src1, imm:$src2),
(ADD8ri GR8:$src1, imm:$src2)>;
def : Pat<(store (addc (load addr:$dst), GR8:$src), addr:$dst),
(ADD8mr addr:$dst, GR8:$src)>;
def : Pat<(store (addc (load addr:$dst), (i8 (load addr:$src))), addr:$dst),
(ADD8mm addr:$dst, addr:$src)>;
def : Pat<(subc GR16:$src1, GR16:$src2),
(SUB16rr GR16:$src1, GR16:$src2)>;
def : Pat<(subc GR16:$src1, (load addr:$src2)),
(SUB16rm GR16:$src1, addr:$src2)>;
def : Pat<(subc GR16:$src1, imm:$src2),
(SUB16ri GR16:$src1, imm:$src2)>;
def : Pat<(store (subc (load addr:$dst), GR16:$src), addr:$dst),
(SUB16mr addr:$dst, GR16:$src)>;
def : Pat<(store (subc (load addr:$dst), (i16 (load addr:$src))), addr:$dst),
(SUB16mm addr:$dst, addr:$src)>;
def : Pat<(subc GR8:$src1, GR8:$src2),
(SUB8rr GR8:$src1, GR8:$src2)>;
def : Pat<(subc GR8:$src1, (load addr:$src2)),
(SUB8rm GR8:$src1, addr:$src2)>;
def : Pat<(subc GR8:$src1, imm:$src2),
(SUB8ri GR8:$src1, imm:$src2)>;
def : Pat<(store (subc (load addr:$dst), GR8:$src), addr:$dst),
(SUB8mr addr:$dst, GR8:$src)>;
def : Pat<(store (subc (load addr:$dst), (i8 (load addr:$src))), addr:$dst),
(SUB8mm addr:$dst, addr:$src)>;