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/* { dg-do compile } */
/* { dg-additional-options "-Ofast -fcommon -fvect-cost-model=dynamic --param vect-partial-vector-usage=1" } */
/* { dg-additional-options "-mavx512vl" { target avx512vl } } */
/* To trigger the bug costing needs to determine that aligning the A170
accesses with a prologue is good and there should be a vectorized
epilogue with a smaller vector size, re-using the vector accumulator
from the vectorized main loop that's statically known to execute
but the epilogue loop is not. */
static unsigned char xl[192];
unsigned char A170[192*3];
void jerate (unsigned char *, unsigned char *);
float foo (unsigned n)
{
jerate (xl, A170);
unsigned i = 32;
int kr = 1;
float sfn11s = 0.f;
float sfn12s = 0.f;
do
{
int krm1 = kr - 1;
long j = krm1;
float a = (*(float(*)[n])A170)[j];
float b = (*(float(*)[n])xl)[j];
float c = a * b;
float d = c * 6.93149983882904052734375e-1f;
float e = (*(float(*)[n])A170)[j+48];
float f = (*(float(*)[n])A170)[j+96];
float g = d * e;
sfn11s = sfn11s + g;
float h = f * d;
sfn12s = sfn12s + h;
kr++;
}
while (--i != 0);
float tem = sfn11s + sfn12s;
return tem;
}
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