Handle llvm.x86.sse2.maskmov.dqu in 64-bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64240 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index 472bc75c283506c4ea256e4c6a194050b7be7651..2b685a704c59bdcf33cb58446ae43c7eea0ca566 100644 (file)
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -2231,6 +2231,11 @@ def MASKMOVDQU : PDI<0xF7, MRMSrcReg, (outs), (ins VR128:$src, VR128:$mask),
                      "maskmovdqu\t{$mask, $src|$src, $mask}",
                      [(int_x86_sse2_maskmov_dqu VR128:$src, VR128:$mask, EDI)]>;
 
+let Uses = [RDI] in
+def MASKMOVDQU64 : PDI<0xF7, MRMSrcReg, (outs), (ins VR128:$src, VR128:$mask),
+                     "maskmovdqu\t{$mask, $src|$src, $mask}",
+                     [(int_x86_sse2_maskmov_dqu VR128:$src, VR128:$mask, RDI)]>;
+
 // Non-temporal stores
 def MOVNTPDmr : PDI<0x2B, MRMDestMem, (outs), (ins i128mem:$dst, VR128:$src),
                     "movntpd\t{$src, $dst|$dst, $src}",

diff --git a/test/CodeGen/X86/maskmovdqu.ll b/test/CodeGen/X86/maskmovdqu.ll
new file mode 100644 (file)
index 0000000..4d1ed1d
--- /dev/null
+++ b/test/CodeGen/X86/maskmovdqu.ll
@@ -0,0 +1,11 @@
+; RUN: llvm-as < %s | llc -march=x86    -mattr=+sse2 | grep -i EDI
+; RUN: llvm-as < %s | llc -march=x86-64 -mattr=+sse2 | grep -i RDI
+; rdar://6573467
+
+define void @test(<16 x i8> %a, <16 x i8> %b, i32 %dummy, i8* %c) nounwind {
+entry:
+       tail call void @llvm.x86.sse2.maskmov.dqu( <16 x i8> %a, <16 x i8> %b, i8* %c )
+       ret void
+}
+
+declare void @llvm.x86.sse2.maskmov.dqu(<16 x i8>, <16 x i8>, i8*) nounwind