Use patterns to remove some duplicate instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198550 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index aaf9706e44faa99a4e662072abfaad573720e48c..0aafaf86de146d661f5379b24b20c9680691b5a0 100644 (file)
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -4879,14 +4879,12 @@ def MOVPQI2QImr : S2I<0xD6, MRMDestMem, (outs), (ins i64mem:$dst, VR128:$src),
 //===---------------------------------------------------------------------===//
 // Store / copy lower 64-bits of a XMM register.
 //
-def VMOVLQ128mr : VS2I<0xD6, MRMDestMem, (outs), (ins i64mem:$dst, VR128:$src),
-                     "movq\t{$src, $dst|$dst, $src}",
-                     [(int_x86_sse2_storel_dq addr:$dst, VR128:$src)]>, VEX,
-                  Sched<[WriteStore]>;
-def MOVLQ128mr : S2I<0xD6, MRMDestMem, (outs), (ins i64mem:$dst, VR128:$src),
-                     "movq\t{$src, $dst|$dst, $src}",
-                     [(int_x86_sse2_storel_dq addr:$dst, VR128:$src)],
-                     IIC_SSE_MOVDQ>, Sched<[WriteStore]>;
+let Predicates = [UseAVX] in
+def : Pat<(int_x86_sse2_storel_dq addr:$dst, VR128:$src),
+          (VMOVPQI2QImr addr:$dst, VR128:$src)>;
+let Predicates = [UseSSE2] in
+def : Pat<(int_x86_sse2_storel_dq addr:$dst, VR128:$src),
+          (MOVPQI2QImr addr:$dst, VR128:$src)>;
 
 let isCodeGenOnly = 1, AddedComplexity = 20 in {
 def VMOVZQI2PQIrm : I<0x7E, MRMSrcMem, (outs VR128:$dst), (ins i64mem:$src),

diff --git a/utils/TableGen/X86RecognizableInstr.cpp b/utils/TableGen/X86RecognizableInstr.cpp
index c360d866fa700a6de49fc26de7fcd693baab5fbb..75bf41307746ac3cb98107a46c2cb82b1887d5c4 100644 (file)
--- a/utils/TableGen/X86RecognizableInstr.cpp
+++ b/utils/TableGen/X86RecognizableInstr.cpp
@@ -509,9 +509,7 @@ RecognizableInstr::filter_ret RecognizableInstr::filter() const {
 
   // Special cases.
 
-  if (Name == "MOVPQI2QImr"       ||
-      Name == "VMOVPQI2QImr"      ||
-      Name == "VMASKMOVDQU64")
+  if (Name == "VMASKMOVDQU64")
     return FILTER_WEAK;
 
   // XACQUIRE and XRELEASE reuse REPNE and REP respectively.