[llvm] 8fa57a7 - [X86] Cleanup WriteBlend classes to match (V)PLENDW instruction

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2022-11-22T17:56:15Z
New Revision: 8fa57a715d56120f1215219a48443da25d2743bd

URL: https://github.com/llvm/llvm-project/commit/8fa57a715d56120f1215219a48443da25d2743bd
DIFF: https://github.com/llvm/llvm-project/commit/8fa57a715d56120f1215219a48443da25d2743bd.diff

LOG: [X86] Cleanup WriteBlend classes to match (V)PLENDW instruction

Minor cleanup toward fixing the unnecessary scheduler overrides warnings from D138359

Added: 
    

Modified: 
    llvm/lib/Target/X86/X86ScheduleZnver1.td
    llvm/lib/Target/X86/X86ScheduleZnver2.td

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Target/X86/X86ScheduleZnver1.td b/llvm/lib/Target/X86/X86ScheduleZnver1.td
index acc39410742e6..3de683339f6ac 100644
--- a/llvm/lib/Target/X86/X86ScheduleZnver1.td
+++ b/llvm/lib/Target/X86/X86ScheduleZnver1.td
@@ -300,9 +300,6 @@ defm : X86WriteResPairUnsupported<WriteFBlendZ>;
 defm : ZnWriteResFpuPair<WriteFVarBlend, [ZnFPU01], 1>;
 defm : ZnWriteResFpuPair<WriteFVarBlendY,[ZnFPU01], 1, [2], 2>;
 defm : X86WriteResPairUnsupported<WriteFVarBlendZ>;
-defm : ZnWriteResFpuPair<WriteVarBlend,  [ZnFPU0],  1>;
-defm : ZnWriteResFpuPair<WriteVarBlendY, [ZnFPU0],  1, [2], 2>;
-defm : X86WriteResPairUnsupported<WriteVarBlendZ>;
 defm : ZnWriteResFpuPair<WriteCvtSS2I,   [ZnFPU3],  5>;
 defm : ZnWriteResFpuPair<WriteCvtPS2I,   [ZnFPU3],  5>;
 defm : ZnWriteResFpuPair<WriteCvtPS2IY,  [ZnFPU3],  5>;
@@ -437,9 +434,12 @@ defm : ZnWriteResFpuPair<WriteVarShuffle, [ZnFPU12],   1>;
 defm : ZnWriteResFpuPair<WriteVarShuffleX,[ZnFPU12],   1>;
 defm : ZnWriteResFpuPair<WriteVarShuffleY,[ZnFPU12],   1, [2], 2>;
 defm : X86WriteResPairUnsupported<WriteVarShuffleZ>;
-defm : ZnWriteResFpuPair<WriteBlend,      [ZnFPU01], 1>;
-defm : ZnWriteResFpuPair<WriteBlendY,     [ZnFPU01], 1, [2], 2>;
+defm : ZnWriteResFpuPair<WriteBlend,      [ZnFPU013], 1>;
+defm : ZnWriteResFpuPair<WriteBlendY,     [ZnFPU013], 1, [2], 2>;
 defm : X86WriteResPairUnsupported<WriteBlendZ>;
+defm : ZnWriteResFpuPair<WriteVarBlend,   [ZnFPU0],  1>;
+defm : ZnWriteResFpuPair<WriteVarBlendY,  [ZnFPU0],  1, [2], 2>;
+defm : X86WriteResPairUnsupported<WriteVarBlendZ>;
 defm : ZnWriteResFpuPair<WriteShuffle256, [ZnFPU12],   2, [2], 2>;
 defm : ZnWriteResFpuPair<WriteVPMOV256,   [ZnFPU12],   1, [4], 3>;
 defm : ZnWriteResFpuPair<WriteVarShuffle256, [ZnFPU12],2, [2], 2>;
@@ -955,8 +955,6 @@ def ZnWriteFPU013LdY : SchedWriteRes<[ZnAGU, ZnFPU013]> {
 }
 
 // PBLENDW.
-// x,x,i / v,v,v,i
-def : InstRW<[ZnWriteFPU013], (instregex "(V?)PBLENDWrri")>;
 // ymm
 def : InstRW<[ZnWriteFPU013Y], (instrs VPBLENDWYrri)>;
 

diff  --git a/llvm/lib/Target/X86/X86ScheduleZnver2.td b/llvm/lib/Target/X86/X86ScheduleZnver2.td
index a2caa046f0bfb..2849ecc52c534 100644
--- a/llvm/lib/Target/X86/X86ScheduleZnver2.td
+++ b/llvm/lib/Target/X86/X86ScheduleZnver2.td
@@ -299,9 +299,6 @@ defm : X86WriteResPairUnsupported<WriteFBlendZ>;
 defm : Zn2WriteResFpuPair<WriteFVarBlend, [Zn2FPU01], 1>;
 defm : Zn2WriteResFpuPair<WriteFVarBlendY,[Zn2FPU01], 1>;
 defm : X86WriteResPairUnsupported<WriteFVarBlendZ>;
-defm : Zn2WriteResFpuPair<WriteVarBlend,  [Zn2FPU0],  1>;
-defm : Zn2WriteResFpuPair<WriteVarBlendY, [Zn2FPU0],  1>;
-defm : X86WriteResPairUnsupported<WriteVarBlendZ>;
 defm : Zn2WriteResFpuPair<WriteCvtSS2I,   [Zn2FPU3],  5>;
 defm : Zn2WriteResFpuPair<WriteCvtPS2I,   [Zn2FPU3],  5>;
 defm : Zn2WriteResFpuPair<WriteCvtPS2IY,  [Zn2FPU3],  5>;
@@ -436,9 +433,12 @@ defm : Zn2WriteResFpuPair<WriteVarShuffle, [Zn2FPU12],   1>;
 defm : Zn2WriteResFpuPair<WriteVarShuffleX,[Zn2FPU12],   1>;
 defm : Zn2WriteResFpuPair<WriteVarShuffleY,[Zn2FPU12],   1>;
 defm : X86WriteResPairUnsupported<WriteVarShuffleZ>;
-defm : Zn2WriteResFpuPair<WriteBlend,      [Zn2FPU01], 1>;
-defm : Zn2WriteResFpuPair<WriteBlendY,     [Zn2FPU01], 1>;
+defm : Zn2WriteResFpuPair<WriteBlend,      [Zn2FPU013], 1>;
+defm : Zn2WriteResFpuPair<WriteBlendY,     [Zn2FPU013], 1>;
 defm : X86WriteResPairUnsupported<WriteBlendZ>;
+defm : Zn2WriteResFpuPair<WriteVarBlend,   [Zn2FPU0],  1>;
+defm : Zn2WriteResFpuPair<WriteVarBlendY,  [Zn2FPU0],  1>;
+defm : X86WriteResPairUnsupported<WriteVarBlendZ>;
 defm : Zn2WriteResFpuPair<WriteShuffle256, [Zn2FPU12],   2>;
 defm : Zn2WriteResFpuPair<WriteVPMOV256,   [Zn2FPU12],  4, [1], 2, 4>;
 defm : Zn2WriteResFpuPair<WriteVarShuffle256, [Zn2FPU12],   2>;
@@ -963,8 +963,6 @@ def Zn2WriteFPU013LdY : SchedWriteRes<[Zn2AGU, Zn2FPU013]> {
 }
 
 // PBLENDW.
-// x,x,i / v,v,v,i
-def : InstRW<[Zn2WriteFPU013], (instregex "(V?)PBLENDWrri")>;
 // ymm
 def : InstRW<[Zn2WriteFPU013Y], (instrs VPBLENDWYrri)>;