[Bug math/20495] SIMD sincosf implementation lacks VEX encoded version
andrew.n.senkevich at gmail dot com
sourceware-bugzilla@sourceware.org
Thu Aug 25 19:13:00 GMT 2016
https://sourceware.org/bugzilla/show_bug.cgi?id=20495
Andrew Senkevich <andrew.n.senkevich at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed| |2016-08-25
Ever confirmed|0 |1
--- Comment #5 from Andrew Senkevich <andrew.n.senkevich at gmail dot com> ---
Thanks.
Investigation shows that it is degradation from 2.22 to 2.23 releases.
Simplified testcase is
#include <math.h>
#define NUM 9000*1000
float valsA[NUM];
float a[NUM];
int main(void)
{
int i;
for (i = 0; i < NUM; ++i)
{
a[i] += sinf(valsA[i]);
}
return (int)a[NUM-1];
}
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