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Switch INC8r to defining its pattern in terms of X86inc_flag

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and defining the add pattern with Pat<>, eliminating a use of
parallel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99375 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-24 01:02:12 +00:00
parent c5f413a74c
commit c54a2f150d
1 changed files with 4 additions and 4 deletions
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8
lib/Target/X86/X86InstrInfo.td
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@ -1698,8 +1698,8 @@ let isTwoAddress = 0 in {
let Defs = [EFLAGS] in {
let CodeSize = 2 in
def INC8r : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src), "inc{b}\t$dst",
[(set GR8:$dst, (add GR8:$src, 1)),
(implicit EFLAGS)]>;
[(set GR8:$dst, EFLAGS, (X86inc_flag GR8:$src))]>;
let isConvertibleToThreeAddress = 1, CodeSize = 1 in { // Can xform into LEA.
def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),
"inc{w}\t$dst",
@ -4875,8 +4875,8 @@ def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
}
// INC and DEC with EFLAGS result. Note that these do not set CF.
def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
(INC8r GR8:$src)>;
def : Pat<(add GR8:$src, 1), (INC8r GR8:$src)>;
def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
(DEC8r GR8:$src)>;