[llvm-commits] [llvm] r113522 - in /llvm/trunk: lib/Target/X86/X86InstrSSE.td test/CodeGen/X86/vec_shuffle-37.ll

[Bruno Cardoso Lopes]

Author: bruno
Date: Thu Sep  9 13:48:34 2010
New Revision: 113522

URL: http://llvm.org/viewvc/llvm-project?rev=113522&view=rev
Log:
Add one more pattern to fallback movddup

Modified:
    llvm/trunk/lib/Target/X86/X86InstrSSE.td
    llvm/trunk/test/CodeGen/X86/vec_shuffle-37.ll

Modified: llvm/trunk/lib/Target/X86/X86InstrSSE.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSSE.td?rev=113522&r1=113521&r2=113522&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSSE.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSSE.td Thu Sep  9 13:48:34 2010
@@ -5688,6 +5688,8 @@
           (MOVLHPSrr VR128:$src, VR128:$src)>;
 def : Pat<(v4f32 (X86Movddup VR128:$src)),
           (MOVLHPSrr VR128:$src, VR128:$src)>;
+def : Pat<(v2f64 (X86Movddup VR128:$src)),
+          (UNPCKLPDrr VR128:$src, VR128:$src)>;
 
 // Shuffle with MOVLHPD
 def : Pat<(v2f64 (X86Movlhpd VR128:$src1,

Modified: llvm/trunk/test/CodeGen/X86/vec_shuffle-37.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vec_shuffle-37.ll?rev=113522&r1=113521&r2=113522&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vec_shuffle-37.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vec_shuffle-37.ll Thu Sep  9 13:48:34 2010
@@ -1,4 +1,5 @@
 ; RUN: llc < %s -march=x86-64 | FileCheck %s
+; RUN: llc -O0 < %s -march=x86 -mcpu=core2 | FileCheck %s --check-prefix=CHECK_O0
 
 define <4 x i32> @t00(<4 x i32>* %a0) nounwind ssp {
 entry:
@@ -12,3 +13,12 @@
   ret <4 x i32> %2
 }
 
+define void @t01(double* %a0) nounwind ssp {
+entry:
+; CHECK_O0: movsd (%eax), %xmm0
+; CHECK_O0: unpcklpd  %xmm0, %xmm0
+  %tmp93 = load double* %a0, align 8
+  %vecinit94 = insertelement <2 x double> undef, double %tmp93, i32 1
+  store <2 x double> %vecinit94, <2 x double>* undef
+  ret void
+}