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authorSzabolcs Nagy <nsz@port70.net>2018-09-22 21:43:42 +0000
committerRich Felker <dalias@aerifal.cx>2018-10-15 14:45:28 -0400
commite9016138886527a739804634048aeac16092dc1e (patch)
treeb7581245a4ff1da3f27bfdc5826ff362a8ab8430 /src/math/truncl.c
parent7396ef0a05b834bf92c4f268a3336c0bc10c3593 (diff)
downloadmusl-e9016138886527a739804634048aeac16092dc1e.tar.gz
x86_64: add single instruction fma
fma is only available on recent x86_64 cpus and it is much faster than a software fma, so this should be done with a runtime check, however that requires more changes, this patch just adds the code so it can be tested when musl is compiled with -mfma or -mfma4.
Diffstat (limited to 'src/math/truncl.c')
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