From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Wed, 3 Oct 2018 18:05:01 +0000 (+0000)
Subject: [X86] Move Atomic CMPXCHG to WriteCMPXCHGRMW schedule class
X-Git-Tag: llvmorg-8.0.0-rc1~7314
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a400612aede3472849a506b9fd371eef6973c7b7;p=platform%2Fupstream%2Fllvm.git

[X86] Move Atomic CMPXCHG to WriteCMPXCHGRMW schedule class

llvm-svn: 343700
---

diff --git a/llvm/lib/Target/X86/X86InstrCompiler.td b/llvm/lib/Target/X86/X86InstrCompiler.td
index ca354fa..3033029 100644
--- a/llvm/lib/Target/X86/X86InstrCompiler.td
+++ b/llvm/lib/Target/X86/X86InstrCompiler.td
@@ -789,7 +789,7 @@ let isCodeGenOnly = 1, usesCustomInserter = 1 in {
 
 multiclass LCMPXCHG_BinOp<bits<8> Opc8, bits<8> Opc, Format Form,
                           string mnemonic, SDPatternOperator frag> {
-let isCodeGenOnly = 1, SchedRW = [WriteALULd, WriteRMW] in {
+let isCodeGenOnly = 1, SchedRW = [WriteCMPXCHGRMW] in {
   let Defs = [AL, EFLAGS], Uses = [AL] in
   def NAME#8  : I<Opc8, Form, (outs), (ins i8mem:$ptr, GR8:$swap),
                   !strconcat(mnemonic, "{b}\t{$swap, $ptr|$ptr, $swap}"),
@@ -810,7 +810,7 @@ let isCodeGenOnly = 1, SchedRW = [WriteALULd, WriteRMW] in {
 }
 
 let Defs = [EAX, EDX, EFLAGS], Uses = [EAX, EBX, ECX, EDX],
-    SchedRW = [WriteALULd, WriteRMW] in {
+    SchedRW = [WriteCMPXCHGRMW] in {
 defm LCMPXCHG8B : LCMPXCHG_UnOp<0xC7, MRM1m, "cmpxchg8b", X86cas8, i64mem>;
 }
 
@@ -834,7 +834,7 @@ defm LCMPXCHG8B : LCMPXCHG_UnOp<0xC7, MRM1m, "cmpxchg8b", X86cas8, i64mem>;
 // the instruction and we are sure we will have a valid register to restore
 // the value of RBX.
 let Defs = [EAX, EDX, EBX, EFLAGS], Uses = [EAX, ECX, EDX],
-    SchedRW = [WriteALULd, WriteRMW], isCodeGenOnly = 1, isPseudo = 1,
+    SchedRW = [WriteCMPXCHGRMW], isCodeGenOnly = 1, isPseudo = 1,
     Constraints = "$ebx_save = $dst", usesCustomInserter = 1 in {
 def LCMPXCHG8B_SAVE_EBX :
     I<0, Pseudo, (outs GR32:$dst),
@@ -846,14 +846,14 @@ def LCMPXCHG8B_SAVE_EBX :
 
 
 let Defs = [RAX, RDX, EFLAGS], Uses = [RAX, RBX, RCX, RDX],
-    Predicates = [HasCmpxchg16b], SchedRW = [WriteALULd, WriteRMW] in {
+    Predicates = [HasCmpxchg16b], SchedRW = [WriteCMPXCHGRMW] in {
 defm LCMPXCHG16B : LCMPXCHG_UnOp<0xC7, MRM1m, "cmpxchg16b",
                                  X86cas16, i128mem>, REX_W;
 }
 
 // Same as LCMPXCHG8B_SAVE_RBX but for the 16 Bytes variant.
 let Defs = [RAX, RDX, RBX, EFLAGS], Uses = [RAX, RCX, RDX],
-    Predicates = [HasCmpxchg16b], SchedRW = [WriteALULd, WriteRMW],
+    Predicates = [HasCmpxchg16b], SchedRW = [WriteCMPXCHGRMW],
     isCodeGenOnly = 1, isPseudo = 1, Constraints = "$rbx_save = $dst",
     usesCustomInserter = 1 in {
 def LCMPXCHG16B_SAVE_RBX :