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[X86] Remove unnecessary WriteRotate override. NFCI. 

SNB was the last override for ROT(L|R)r(1|i) - they now all use WriteRotate correctly.

llvm-svn: 342848
This commit is contained in:
Simon Pilgrim 2018-09-23 19:33:58 +00:00
parent e7938423b2
commit 6d95a8521f
1 changed files with 2 additions and 4 deletions
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6
llvm/lib/Target/X86/X86SchedSandyBridge.td
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@ -136,7 +136,7 @@ defm : X86WriteRes<WriteSHDmri, [SBPort4,SBPort23,SBPort05,SBPort015], 8, [1, 2,
defm : X86WriteRes<WriteSHDmrcl,[SBPort4,SBPort23,SBPort05,SBPort015], 10, [1, 2, 3, 1], 7>; defm : X86WriteRes<WriteSHDmrcl,[SBPort4,SBPort23,SBPort05,SBPort015], 10, [1, 2, 3, 1], 7>;
defm : SBWriteResPair<WriteShift, [SBPort05], 1>; defm : SBWriteResPair<WriteShift, [SBPort05], 1>;
defm : SBWriteResPair<WriteRotate, [SBPort05], 1>; defm : SBWriteResPair<WriteRotate, [SBPort05], 2, [2], 2>;
defm : SBWriteResPair<WriteJump, [SBPort5], 1>; defm : SBWriteResPair<WriteJump, [SBPort5], 1>;
defm : SBWriteResPair<WriteCRC32, [SBPort1], 3, [1], 1, 5>; defm : SBWriteResPair<WriteCRC32, [SBPort1], 3, [1], 1, 5>;
@ -597,9 +597,7 @@ def SBWriteResGroup9 : SchedWriteRes<[SBPort05]> {
let NumMicroOps = 2; let NumMicroOps = 2;
let ResourceCycles = [2]; let ResourceCycles = [2];
} }
def: InstRW<[SBWriteResGroup9], (instregex "ROL(8|16|32|64)r(1|i)", def: InstRW<[SBWriteResGroup9], (instregex "SET(A|BE)r")>;
"ROR(8|16|32|64)r(1|i)",
"SET(A|BE)r")>;
def SBWriteResGroup11 : SchedWriteRes<[SBPort015]> { def SBWriteResGroup11 : SchedWriteRes<[SBPort015]> {
let Latency = 2; let Latency = 2;