Viewing file: vect-93.c (1.86 KB) -rw-r--r-- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
/* { dg-require-effective-target vect_float } */ /* { dg-additional-options "--param vect-max-peeling-for-alignment=0" } */
#include <stdarg.h> #include "tree-vect.h"
#define N1 3001
#if VECTOR_BITS > 256 #define N2 (VECTOR_BITS / 32 + 2) #else #define N2 10 #endif
__attribute__ ((noinline)) int main1 (float *pa) { int i;
for (i = 0; i < N1; i++) { pa[i] = 2.0; }
/* check results: */ for (i = 0; i < N1; i++) { if (pa[i] != 2.0) abort (); }
#pragma GCC unroll 0 for (i = 1; i <= N2; i++) { pa[i] = 3.0; }
/* check results: */ for (i = 1; i <= N2; i++) { if (pa[i] != 3.0) abort (); } return 0; }
int main (void) { int i; float a[N1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); float b[N1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
check_vect ();
/* from bzip2: */ for (i = 0; i < N1; i++) b[i] = i; a[0] = 0; for (i = 1; i <= 256; i++) a[i] = b[i-1];
/* check results: */ for (i = 1; i <= 256; i++) { if (a[i] != i-1) abort (); } if (a[0] != 0) abort ();
main1 (a);
return 0; }
/* 2 loops vectorized in main1, 2 loops vectorized in main: the first loop in main requires vectorization of conversions, the second loop in main requires vectorization of misaligned load. */
/* main && main1 together: */ /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 2 "vect" { target powerpc*-*-* i?86-*-* x86_64-*-* } } } */
/* in main1: */ /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target !powerpc*-*-* !i?86-*-* !x86_64-*-* } } } */ /* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target { vect_no_align && { ! vect_hw_misalign } } } } } */
/* in main: */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_no_align && { ! vect_hw_misalign } } } } } */
|