llvm-6502/vec_insert-3.ll at 4425240dbcb6e0da24f4a9f72cfb24f529f5b7af - llvm-6502 - Applefritter: Git

6502/llvm-6502

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Evan Cheng 52ceafa5c7 Use movaps / movd to extract vector element 0 even with sse4.1. It's still cheaper than pextrw especially if the value is in memory.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61555 91177308-0d34-0410-b5e6-96231b3b80d8

2009-01-02 05:29:08 +00:00

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 ; RUN: llvm-as < %s | llc -march=x86-64 -mattr=+sse2,-sse41 | grep punpcklqdq | count 1
 define <2 x i64> @t1(i64 %s, <2 x i64> %tmp) nounwind {
         %tmp1 = insertelement <2 x i64> %tmp, i64 %s, i32 1
         ret <2 x i64> %tmp1
 }