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(parent: ccc776f) | patch
Use movaps / movd to extract vector element 0 even with sse4.1. It's still cheaper...
authorEvan Cheng <evan.cheng@apple.com>
Fri, 2 Jan 2009 05:29:08 +0000 (05:29 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Fri, 2 Jan 2009 05:29:08 +0000 (05:29 +0000)
commit52ceafa5c7f86de19c8a98d9686e213a2985c061
treecf22341738bf156bbd719b676cedbf7c3b092622tree | snapshot
parentccc776fd83b4d200f54cd84af71888e9a740f8fdcommit | diff
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
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
test/CodeGen/X86/vec_extract.ll diff | blob | history
test/CodeGen/X86/vec_insert-2.ll diff | blob | history
test/CodeGen/X86/vec_insert-3.ll diff | blob | history
test/CodeGen/X86/vec_insert.ll diff | blob | history
test/CodeGen/X86/vec_shuffle-12.ll diff | blob | history
test/CodeGen/X86/vec_shuffle-28.ll diff | blob | history
test/CodeGen/X86/widen_arith-1.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors