[llvm] r343700 - [X86] Move Atomic CMPXCHG to WriteCMPXCHGRMW schedule class

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Wed Oct  3 11:05:01 2018
New Revision: 343700

URL: http://llvm.org/viewvc/llvm-project?rev=343700&view=rev
Log:
[X86] Move Atomic CMPXCHG to WriteCMPXCHGRMW schedule class

Modified:
    llvm/trunk/lib/Target/X86/X86InstrCompiler.td

Modified: llvm/trunk/lib/Target/X86/X86InstrCompiler.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrCompiler.td?rev=343700&r1=343699&r2=343700&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrCompiler.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrCompiler.td Wed Oct  3 11:05:01 2018
@@ -789,7 +789,7 @@ let isCodeGenOnly = 1, usesCustomInserte
 
 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 = [WriteA
 }
 
 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, MR
 // 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 :