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(parent: 562659f) | patch
Convert SHUFPD with the same register for both sources to PSHUFD if it would prevent...
authorCraig Topper <craig.topper@gmail.com>
Fri, 13 Jan 2012 09:21:41 +0000 (09:21 +0000)
committerCraig Topper <craig.topper@gmail.com>
Fri, 13 Jan 2012 09:21:41 +0000 (09:21 +0000)
commit0518970dc88e20ee40aa5eb555209180f052a4d9
treebc2af32ec6cddfa72c88c7729533f6967ba40b97tree | snapshot
parent562659ff6bdc3ac5d67b666862b025e4aa9dacd4commit | diff
Convert SHUFPD with the same register for both sources to PSHUFD if it would prevent a register copy. Similar to SHUFPS, but requires the mask to be converted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148112 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86InstrInfo.cpp diff | blob | history
lib/Target/X86/X86InstrSSE.td diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors