[PATCH] D49280: [X86] Remove isel patterns for MOVSS/MOVSD ISD opcodes with integer types.
Simon Pilgrim via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Jul 16 09:10:11 PDT 2018
RKSimon added a comment.
In https://reviews.llvm.org/D49280#1162909, @craig.topper wrote:
> Which microarchitecture cares about switching PD/PS? To my knowledge, no Intel architecture cares. Do any of the AMD architectures care?
It tends to be only the 'weird mixture' PS/PD domain shifts that cause a stall: VADDPS then VMULPD, that kind of thing - shuffles and bitops tend to be more forgiving (and more easy to fix.)
Repository:
rL LLVM
https://reviews.llvm.org/D49280
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