https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115710
kargls at comcast dot net changed:
What |Removed |Added
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CC| |kargls at comcast dot net
--- Comment #1 from kargls at comcast dot net ---
Looks like a wrong component was chosen. I get nearly identical assembly with
#include <complex.h>
#include <math.h>
void
foo(double complex *a, double *b, int n)
{
for (int i=0; i < n; i++)
b[i] = cabs(a[i]) * cabs(a[i]);
}
~/work/bin/gcc -S -mavx2 -mfma -Ofast -o zc.s a.c
~/work/bin/gfortran -S -mavx2 -mfma -Ofast -o zf.s -fno-underscore a.f90
