Add an EXTRACTPSmr pattern to match the pattern that
X86ISelLowering creates.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54544 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index a871fa8..d800c97 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -238,6 +238,7 @@
     { X86::DIV32r,      X86::DIV32m, 1 },
     { X86::DIV64r,      X86::DIV64m, 1 },
     { X86::DIV8r,       X86::DIV8m, 1 },
+    { X86::EXTRACTPSrr, X86::EXTRACTPSmr, 0 },
     { X86::FsMOVAPDrr,  X86::MOVSDmr, 0 },
     { X86::FsMOVAPSrr,  X86::MOVSSmr, 0 },
     { X86::IDIV16r,     X86::IDIV16m, 1 },
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index 856525e..963a605 100644
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -3485,6 +3485,13 @@
 
 defm EXTRACTPS   : SS41I_extractf32<0x17, "extractps">;
 
+// Also match an EXTRACTPS store when the store is done as f32 instead of i32.
+def : Pat<(store (f32 (bitconvert (extractelt (bc_v4i32 (v4f32 VR128:$src1)),
+                                              imm:$src2))),
+                 addr:$dst),
+          (EXTRACTPSmr addr:$dst, VR128:$src1, imm:$src2)>,
+         Requires<[HasSSE41]>;
+
 let Constraints = "$src1 = $dst" in {
   multiclass SS41I_insert8<bits<8> opc, string OpcodeStr> {
     def rr : SS4AIi8<opc, MRMSrcReg, (outs VR128:$dst),