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(parent: bde9f1b) | patch
Add support for breaking 256-bit int VETCC into two 128-bit ones,
authorBruno Cardoso Lopes <bruno.cardoso@gmail.com>
Mon, 22 Aug 2011 20:31:04 +0000 (20:31 +0000)
committerBruno Cardoso Lopes <bruno.cardoso@gmail.com>
Mon, 22 Aug 2011 20:31:04 +0000 (20:31 +0000)
commit2ac811115910be3f439a4b424839991281622af8
tree572719b902db0795be5bf3de721925dd782bd8d0tree | snapshot
parentbde9f1b302f975fb499a0cf822d64057fda1d8b8commit | diff
Add support for breaking 256-bit int VETCC into two 128-bit ones,
avoding scalarization of the compare. Reduces code from 59 to 6
instructions. Fix PR10712.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138271 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp diff | blob | history
test/CodeGen/X86/avx-cmp.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors