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| author | Sanjay Patel <spatel@rotateright.com> | 2019-06-19 18:13:47 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2019-06-19 18:13:47 +0000 |
| commit | b5640b6fe8e013317b3a7ab3866bc1d4601b0d3a (patch) | |
| tree | 46810db30acb9b007ff2e59302cc70ba1c1e5f49 /llvm/tools/llvm-objdump/llvm-objdump.cpp | |
| parent | 33ef687d94604aeb73bedbcf3050524465a3439f (diff) | |
| download | llvm-b5640b6fe8e013317b3a7ab3866bc1d4601b0d3a.zip llvm-b5640b6fe8e013317b3a7ab3866bc1d4601b0d3a.tar.gz llvm-b5640b6fe8e013317b3a7ab3866bc1d4601b0d3a.tar.bz2 | |
[x86] avoid vector load narrowing with extracted store uses (PR42305)
This is an exception to the rule that we should prefer xmm ops to ymm ops.
As shown in PR42305:
https://bugs.llvm.org/show_bug.cgi?id=42305
...the store folding opportunity with vextractf128 may result in better
perf by reducing the instruction count.
Differential Revision: https://reviews.llvm.org/D63517
llvm-svn: 363853
Diffstat (limited to 'llvm/tools/llvm-objdump/llvm-objdump.cpp')
0 files changed, 0 insertions, 0 deletions