RPCS3/llvm-mirror
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-24 11:42:57 +01:00
Code Issues Projects Releases Wiki Activity

[X86][SandyBridge] Remove unnecessary WritePOPCNTLd overrides by fixing load latency.

Browse Source 
llvm-svn: 330541
This commit is contained in:
Simon Pilgrim 2018-04-22 10:03:52 +00:00
parent a96a6505c6
commit fcb80e3122
1 changed files with 1 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/Target/X86/X86SchedSandyBridge.td
View File

@ -126,7 +126,7 @@ def : WriteRes<WriteLEA, [SBPort15]>;
defm : SBWriteResPair<WriteBitScan, [SBPort1], 3, [1], 1, 5>;
defm : SBWriteResPair<WriteLZCNT, [SBPort1], 3, [1], 1, 5>;
defm : SBWriteResPair<WriteTZCNT, [SBPort1], 3, [1], 1, 5>;
defm : SBWriteResPair<WritePOPCNT, [SBPort1], 3, [1], 1, 5>;
defm : SBWriteResPair<WritePOPCNT, [SBPort1], 3, [1], 1, 6>;
// BMI1 BEXTR, BMI2 BZHI
// NOTE: These don't exist on Sandy Bridge. Ports are guesses.
@ -1392,7 +1392,6 @@ def SBWriteResGroup90 : SchedWriteRes<[SBPort1,SBPort23]> {
}
def: InstRW<[SBWriteResGroup90], (instregex "MMX_CVTPS2PIirm",
"MMX_CVTTPS2PIirm",
"POPCNT(16|32|64)rm",
"(V?)ADDPDrm",
"(V?)ADDPSrm",
"(V?)ADDSDrm",