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| author | Ana Pazos <apazos@codeaurora.org> | 2013-12-24 00:47:29 +0000 |
|---|---|---|
| committer | Ana Pazos <apazos@codeaurora.org> | 2013-12-24 00:47:29 +0000 |
| commit | bc2996b30f312a35696b71a70b78e01c937c574c (patch) | |
| tree | 812f3bc9370850505872d23b83a374012c4b575b /llvm/docs/LangRef.rst | |
| parent | 3ca23915cde061eba94719249bce804797872008 (diff) | |
| download | bcm5719-llvm-bc2996b30f312a35696b71a70b78e01c937c574c.tar.gz bcm5719-llvm-bc2996b30f312a35696b71a70b78e01c937c574c.zip | |
[AArch64] Check fmul node single use in fused multiply patterns
Check for single use of fmul node in fused multiply patterns
to allow generation of fused multiply add/sub instructions.
Otherwise fmul operation ends up being repeated more than
once which does not help peformance on targets with
only one MAC unit, as for example cortex-a53.
llvm-svn: 197929
Diffstat (limited to 'llvm/docs/LangRef.rst')
0 files changed, 0 insertions, 0 deletions
