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(parent: 83d9e56) | patch
[Aarch64] Add cost for missing extensions.
authorMatthew Simpson <mssimpso@codeaurora.org>
Wed, 18 Nov 2015 18:03:06 +0000 (18:03 +0000)
committerMatthew Simpson <mssimpso@codeaurora.org>
Wed, 18 Nov 2015 18:03:06 +0000 (18:03 +0000)
commit2e1334977408d524b9e96066d60fd1f6e1601144
tree52bb74a375693bca95305230c72d9638311ab706tree | snapshot
parent83d9e5696b04d3b3ff251548370c5c8bc2b694b2commit | diff
[Aarch64] Add cost for missing extensions.

This patch adds a cost estimate for some missing sign and zero extensions. The
costs were determined by counting the number of shift instructions generated
without context for each new extension.

Differential Revision: http://reviews.llvm.org/D14730

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@253482 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Target/AArch64/AArch64TargetTransformInfo.cpp diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors