When ext-loading and trunc-storing vectors to memory, on x86 32bit systems, allow loads/stores of 64bit values from xmm registers.

llvm-svn: 160044

5 files changed, 26 insertions, 9 deletions

diff --git a/llvm/test/CodeGen/X86/2012-07-10-extload64.ll b/llvm/test/CodeGen/X86/2012-07-10-extload64.ll
index 3284f5e7e38..906b748fa42 100644
--- a/llvm/test/CodeGen/X86/2012-07-10-extload64.ll
+++ b/llvm/test/CodeGen/X86/2012-07-10-extload64.ll
@@ -3,11 +3,30 @@
 ; CHECK: load_store
 define void @load_store(<4 x i16>* %in) {
 entry:
+; CHECK: movsd
   %A27 = load <4 x i16>* %in, align 4
   %A28 = add <4 x i16> %A27, %A27
+; CHECK: movlpd
   store <4 x i16> %A28, <4 x i16>* %in, align 4
   ret void
-; CHECK: movd
-; CHECK: pinsrd
 ; CHECK: ret
 }
+
+; Make sure that we store a 64bit value, even on 32bit systems.
+;CHECK: store_64
+define void @store_64(<2 x i32>* %ptr) {
+BB:
+  store <2 x i32> zeroinitializer, <2 x i32>* %ptr
+  ret void
+;CHECK: movlpd
+;CHECK: ret
+}
+
+;CHECK: load_64
+define <2 x i32> @load_64(<2 x i32>* %ptr) {
+BB:
+  %t = load <2 x i32>* %ptr
+  ret <2 x i32> %t
+;CHECK: movsd
+;CHECK: ret
+}
diff --git a/llvm/test/CodeGen/X86/mmx-punpckhdq.ll b/llvm/test/CodeGen/X86/mmx-punpckhdq.ll
index 689f7bf5956..206cb33494c 100644
--- a/llvm/test/CodeGen/X86/mmx-punpckhdq.ll
+++ b/llvm/test/CodeGen/X86/mmx-punpckhdq.ll
@@ -3,7 +3,7 @@
 
 define void @bork(<1 x i64>* %x) {
 ; CHECK: bork
-; CHECK: pextrd
+; CHECK: movlpd
 entry:
 	%tmp2 = load <1 x i64>* %x		; <<1 x i64>> [#uses=1]
 	%tmp6 = bitcast <1 x i64> %tmp2 to <2 x i32>		; <<2 x i32>> [#uses=1]
diff --git a/llvm/test/CodeGen/X86/pointer-vector.ll b/llvm/test/CodeGen/X86/pointer-vector.ll
index cc1df2fffcc..800fbedb4f9 100644
--- a/llvm/test/CodeGen/X86/pointer-vector.ll
+++ b/llvm/test/CodeGen/X86/pointer-vector.ll
@@ -105,8 +105,7 @@ define <2 x i32*> @BITCAST1(<2 x i8*>* %p) nounwind {
 entry:
   %G = load <2 x i8*>* %p
 ;CHECK: movl
-;CHECK: movd
-;CHECK: pinsrd
+;CHECK: movsd
   %T = bitcast <2 x i8*> %G to <2 x i32*>
 ;CHECK: ret
   ret <2 x i32*> %T
diff --git a/llvm/test/CodeGen/X86/widen_cast-1.ll b/llvm/test/CodeGen/X86/widen_cast-1.ll
index 4330aae8ec8..d886f2c97e7 100644
--- a/llvm/test/CodeGen/X86/widen_cast-1.ll
+++ b/llvm/test/CodeGen/X86/widen_cast-1.ll
@@ -1,7 +1,7 @@
 ; RUN: llc -march=x86 -mattr=+sse42 < %s | FileCheck %s
 ; CHECK: paddd
-; CHECK: pextrd
-; CHECK: movd
+; CHECK: movl
+; CHECK: movlpd
 
 ; bitcast a v4i16 to v2i32
 
diff --git a/llvm/test/CodeGen/X86/widen_cast-5.ll b/llvm/test/CodeGen/X86/widen_cast-5.ll
index 136578df1e8..9086d3a9cfd 100644
--- a/llvm/test/CodeGen/X86/widen_cast-5.ll
+++ b/llvm/test/CodeGen/X86/widen_cast-5.ll
@@ -1,9 +1,8 @@
 ; RUN: llc < %s -march=x86 -mattr=+sse42 | FileCheck %s
 ; CHECK: movl
-; CHECK: movd
+; CHECK: movlpd
 
 ; bitcast a i64 to v2i32
-
 define void @convert(<2 x i32>* %dst.addr, i64 %src) nounwind {
 entry:
 	%conv = bitcast i64 %src to <2 x i32>