diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrX86-64.td | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrX86-64.td b/llvm/lib/Target/X86/X86InstrX86-64.td index 530d059ff12..6807a004382 100644 --- a/llvm/lib/Target/X86/X86InstrX86-64.td +++ b/llvm/lib/Target/X86/X86InstrX86-64.td @@ -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 //===----------------------------------------------------------------------===// |
