> > diff --git a/gcc/testsuite/gcc.target/i386/pr115069.c
> b/gcc/testsuite/gcc.target/i386/pr115069.c
> > new file mode 100644
> > index 00000000000..c4b48b602ef
> > --- /dev/null
> > +++ b/gcc/testsuite/gcc.target/i386/pr115069.c
> > @@ -0,0 +1,78 @@
> > +/* { dg-do compile } */
> > +/* { dg-options "-O2 -mavx2" } */
> > +/* { dg-final { scan-assembler-not "vpermq" } } */
> > +
> > +#include <stdio.h>
> > +#include <unistd.h>
> > +#include <stdlib.h>
> > +#include <inttypes.h>
> > +
> > +typedef int8_t stress_vint8_t __attribute__ ((vector_size (16)));
> No need for such big testcase,
>
> typedef char v16qi __attribute__((vector_size(16)));
> v16qi
> foo (v16qi a, v16qi b)
> {
> return a * b;
> }
>
> should be enough, with -mavx2 -mno-avx512f
Yes. I will change to that.
Thx,
Haochen
> > +
> > +#define OPS(a, b, c, s, v23, v3) \
> > +do { \
> > + a += b; \
> > + a |= b; \
> > + a -= b; \
> > + a &= ~b; \
> > + a *= c; \
> > + a = ~a; \
> > + a *= s; \
> > + a ^= c; \
> > + a <<= 1; \
> > + b >>= 1; \
> > + b += c; \
> > + a %= v23; \
> > + c /= v3; \
> > + b = b ^ c; \
> > + c = b ^ c; \
> > + b = b ^ c; \
> > +} while (0)
> > +
> > +volatile uint8_t csum8_put;
> > +
> > +void stress_vecmath(void)
> > +{
> > + const stress_vint8_t v23_8 = {
> > + 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17,
> > + 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17, 0x17
> > + };
> > + const stress_vint8_t v3_8 = {
> > + 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03,
> > + 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03
> > + };
> > + stress_vint8_t a8 = {
> > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
> > + };
> > + stress_vint8_t b8 = {
> > + 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
> > + 0x0f, 0x1e, 0x2d, 0x3c, 0x4b, 0x5a, 0x69, 0x78
> > + };
> > + stress_vint8_t c8 = {
> > + 0x01, 0x02, 0x03, 0x02, 0x01, 0x02, 0x03, 0x02,
> > + 0x03, 0x02, 0x01, 0x02, 0x03, 0x02, 0x01, 0x02
> > + };
> > + stress_vint8_t s8 = {
> > + 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02,
> > + 0x01, 0x01, 0x02, 0x02, 0x01, 0x01, 0x02, 0x02,
> > + };
> > + const uint8_t csum8_val = (uint8_t)0x1b;
> > + int i;
> > + uint8_t csum8;
> > +
> > + for (i = 1000; i; i--) {
> > + OPS(a8, b8, c8, s8, v23_8, v3_8);
> > + OPS(a8, b8, c8, s8, v23_8, v3_8);
> > + OPS(a8, b8, c8, s8, v23_8, v3_8);
> > + OPS(a8, b8, c8, s8, v23_8, v3_8);
> > + OPS(a8, b8, c8, s8, v23_8, v3_8);
> > + OPS(a8, b8, c8, s8, v23_8, v3_8);
> > + }
> > +
> > + csum8 = a8[0] ^ a8[1] ^ a8[2] ^ a8[3] ^
> > + a8[4] ^ a8[5] ^ a8[6] ^ a8[7] ^
> > + a8[8] ^ a8[9] ^ a8[10] ^ a8[11] ^
> > + a8[12] ^ a8[13] ^ a8[14] ^ a8[15];
> > + csum8_put = csum8;
> > +}
> > --
> > 2.31.1
> >
>
>
> --
> BR,
> Hongtao
