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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-48.c] - Rev 154
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/* { dg-require-effective-target vect_float } */ #include <stdarg.h> #include "tree-vect.h" #define N 256 /* Unaligned pointer read accesses, aligned write access. The loop bound is known and divisible by the vectorization factor. No aliasing problems. vect-56.c is similar to this one with one difference: the alignment of the read accesses is known. vect-52.c is similar to this one with one difference: the loop bound is unknown. vect-49.c is similar to this one with one difference: aliasing is a problem. */ int main1 (float *pb, float *pc) { float pa[N] __attribute__ ((__aligned__(16))); int i; for (i = 0; i < N; i++) { pa[i] = pb[i] * pc[i]; } /* check results: */ for (i = 0; i < N; i++) { if (pa[i] != (pb[i] * pc[i])) abort (); } return 0; } int main (void) { int i; float b[N+1] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60}; float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19}; check_vect (); main1 (b,c); main1 (&b[1],c); return 0; } /* For targets that don't support misaligned loads we version for the two loads. (The store is aligned). */ /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */ /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 2 "vect" { xfail vect_no_align } } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 0 "vect" } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 2 "vect" { target vect_no_align } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */
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