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[X86] Add costs for SSE zext/sext to v4i64 to TTI
authorMichael Kuperstein <mkuper@google.com>
Fri, 10 Jun 2016 17:01:05 +0000 (17:01 +0000)
committerMichael Kuperstein <mkuper@google.com>
Fri, 10 Jun 2016 17:01:05 +0000 (17:01 +0000)
commite47deb88ee491bf88dd650940c38a85ca1f5488e
tree74c0dd646e7e543e116388bbe7a4ca53df5a5ce9tree | snapshot
parent32b9ed845aa15592896efe5a17166750ab9be2fbcommit | diff
[X86] Add costs for SSE zext/sext to v4i64 to TTI

The costs are somewhat hand-wavy, but should be much closer to the truth
than what we get from BasicTTI.

Differential Revision: http://reviews.llvm.org/D21156

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@272406 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/CodeGen/BasicTTIImpl.h diff | blob | history
lib/Target/X86/X86TargetTransformInfo.cpp diff | blob | history
test/Analysis/CostModel/X86/sse-itoi.ll diff | blob | history
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