projects / platform / upstream / llvm.git / commitdiff
? search:
summary | shortlog | log | commit | commitdiff | tree
raw | patch | inline | side by side (parent: be95424)
[X86] Remove unnecessary STD + CLD instruction overrides
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 19 Nov 2022 18:15:08 +0000 (18:15 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 19 Nov 2022 18:15:38 +0000 (18:15 +0000)
Reported by D138359

llvm/lib/Target/X86/X86ScheduleZnver1.td patch | blob | history
llvm/lib/Target/X86/X86ScheduleZnver2.td patch | blob | history

diff --git a/llvm/lib/Target/X86/X86ScheduleZnver1.td b/llvm/lib/Target/X86/X86ScheduleZnver1.td
index f8161a2..8ded509 100644 (file)
--- a/llvm/lib/Target/X86/X86ScheduleZnver1.td
+++ b/llvm/lib/Target/X86/X86ScheduleZnver1.td
@@ -712,9 +712,6 @@ def : SchedAlias<WriteBLS, ZnWriteALULat2>;
 // r,m.
 def : SchedAlias<WriteBLSLd, ZnWriteALULat2Ld>;
 
-// CLD STD.
-def : InstRW<[WriteALU], (instrs STD, CLD)>;
-
 // PDEP PEXT.
 // r,r,r.
 def : InstRW<[WriteMicrocoded], (instregex "PDEP(32|64)rr", "PEXT(32|64)rr")>;
diff --git a/llvm/lib/Target/X86/X86ScheduleZnver2.td b/llvm/lib/Target/X86/X86ScheduleZnver2.td
index cc0f0ec..550ec78 100644 (file)
--- a/llvm/lib/Target/X86/X86ScheduleZnver2.td
+++ b/llvm/lib/Target/X86/X86ScheduleZnver2.td
@@ -733,9 +733,6 @@ def : SchedAlias<WriteBLS, Zn2WriteALULat2>;
 // r,m.
 def : SchedAlias<WriteBLSLd, Zn2WriteALULat2Ld>;
 
-// CLD STD.
-def : InstRW<[WriteALU], (instrs STD, CLD)>;
-
 // PDEP PEXT.
 // r,r,r.
 def : InstRW<[WriteMicrocoded], (instregex "PDEP(32|64)rr", "PEXT(32|64)rr")>;
Domain: System / Toolchain;