| /* { 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 } } } } } */ |
| |