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| author | Sanjay Patel <spatel@rotateright.com> | 2016-04-09 16:02:52 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2016-04-09 16:02:52 +0000 |
| commit | 4abae4e0faea4930ca7d941358ba535835cba1c0 (patch) | |
| tree | 317f10654af1f78a2ed4f32fdcce4b4a54156fac /llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | |
| parent | 1cc5712763e6af3aa1f181680a9359280e6adc14 (diff) | |
| download | bcm5719-llvm-4abae4e0faea4930ca7d941358ba535835cba1c0.tar.gz bcm5719-llvm-4abae4e0faea4930ca7d941358ba535835cba1c0.zip | |
[x86] use BMI 'andn' for logic + compare ops
With BMI, we can use 'andn' to save an instruction when the result is only used in a compare.
This is related to one of the potential sequences to check 'isfinite' in:
https://llvm.org/bugs/show_bug.cgi?id=27164
Differential Revision: http://reviews.llvm.org/D18910
llvm-svn: 265875
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp')
0 files changed, 0 insertions, 0 deletions
