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add support for 128-bit integer add/sub

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37154 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-05-17 06:35:11 +00:00
parent 02ae8b78ff
commit a066810681
1 changed files with 20 additions and 0 deletions
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20
lib/Target/X86/X86InstrX86-64.td
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@ -1104,6 +1104,26 @@ def : Pat<(store (or (shl (loadi64 addr:$dst), CL:$amt),
(srl GR64:$src2, (sub 64, CL:$amt))), addr:$dst),
(SHLD64mrCL addr:$dst, GR64:$src2)>;
// X86 specific add which produces a flag.
def : Pat<(addc GR64:$src1, GR64:$src2),
(ADD64rr GR64:$src1, GR64:$src2)>;
def : Pat<(addc GR64:$src1, (load addr:$src2)),
(ADD64rm GR64:$src1, addr:$src2)>;
def : Pat<(addc GR64:$src1, i64immSExt32:$src2),
(ADD64ri32 GR64:$src1, imm:$src2)>;
def : Pat<(addc GR64:$src1, i64immSExt8:$src2),
(ADD64ri8 GR64:$src1, i64immSExt8:$src2)>;
def : Pat<(subc GR64:$src1, GR64:$src2),
(SUB64rr GR64:$src1, GR64:$src2)>;
def : Pat<(subc GR64:$src1, (load addr:$src2)),
(SUB64rm GR64:$src1, addr:$src2)>;
def : Pat<(subc GR64:$src1, imm:$src2),
(SUB64ri32 GR64:$src1, i64immSExt32:$src2)>;
def : Pat<(subc GR64:$src1, i64immSExt8:$src2),
(SUB64ri8 GR64:$src1, i64immSExt8:$src2)>;
//===----------------------------------------------------------------------===//
// X86-64 SSE Instructions
//===----------------------------------------------------------------------===//