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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [gcc/] [testsuite/] [gcc.dg/] [vect/] [vect-80.c] - Rev 12
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/* { dg-require-effective-target vect_float } */ #include <stdarg.h> #include "tree-vect.h" #define N 16 float fa[N] __attribute__ ((__aligned__(16))); float fb[N+4] __attribute__ ((__aligned__(16))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0}; float fc[N] __attribute__ ((__aligned__(16))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5}; /* Check handling of accesses for which the "initial condition" - the expression that represents the first location accessed - is more involved than just an ssa_name. */ int main1 (float * __restrict__ pa, float * __restrict__ pb, float *__restrict__ pc) { int i; float *q = pb + 4; for (i = 0; i < N; i++) { pa[i] = q[i] * pc[i]; } for (i = 0; i < N; i++) { if (pa[i] != q[i] * pc[i]) abort(); } return 0; } int main (void) { check_vect (); main1 (fa, fb, fc); return 0; } /* For targets that don't support misaligned loads we version for the all three accesses (peeling to align the store will not force the two loads to be 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" 1 "vect" { xfail vect_no_align } } } */ /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning." 3 "vect" { target vect_no_align } } } */ /* { dg-final { cleanup-tree-dump "vect" } } */