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comparison gcc/testsuite/gcc.target/i386/pr94308.c @ 152:2b5abeee2509

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update gcc11
author anatofuz
date Mon, 25 May 2020 07:50:57 +0900
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145:1830386684a0 152:2b5abeee2509
1 /* PR target/94308 */
2 /* { dg-do compile } */
3 /* { dg-options "-O2 -mfpmath=sse -mavx2 -mfma" } */
4
5 #include <x86intrin.h>
6
7 void
8 foo (float *x, const float *y, const float *z, unsigned int w)
9 {
10 unsigned int a;
11 const unsigned int b = w / 8;
12 const float *c = y;
13 const float *d = z;
14 __m256 e = _mm256_setzero_ps ();
15 __m256 f, g;
16 for (a = 0; a < b; a++)
17 {
18 f = _mm256_loadu_ps (c);
19 g = _mm256_loadu_ps (d);
20 c += 8;
21 d += 8;
22 e = _mm256_fmadd_ps (f, g, e);
23 }
24 __attribute__ ((aligned (32))) float h[8];
25 _mm256_storeu_ps (h, e);
26 _mm256_zeroupper ();
27 float i = h[0] + h[1] + h[2] + h[3] + h[4] + h[5] + h[6] + h[7];
28 for (a = b * 8; a < w; a++)
29 i += (*c++) * (*d++);
30 *x = i;
31 }