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| author | Chris Lattner <sabre@nondot.org> | 2010-03-24 01:02:12 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-03-24 01:02:12 +0000 |
| commit | b7e449e490eab17e73a420bded016f93e9beed66 (patch) | |
| tree | 3444bc31634dd57eb9ba43616cc70d364dcd6bee | |
| parent | ee4e0fd45a7c4ee58e5dbe6809338f44db5978b7 (diff) | |
| download | external_llvm-b7e449e490eab17e73a420bded016f93e9beed66.zip external_llvm-b7e449e490eab17e73a420bded016f93e9beed66.tar.gz external_llvm-b7e449e490eab17e73a420bded016f93e9beed66.tar.bz2 | |
Switch INC8r to defining its pattern in terms of X86inc_flag
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
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 3ee37d6..92ff279 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -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)>; |