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Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c b/gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c new file mode 100644 index 000000000..d716b6139 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/costmodel/ppc/costmodel-vect-76b.c @@ -0,0 +1,51 @@ +/* { dg-require-effective-target vect_int } */ + +#include <stdarg.h> +#include "../../tree-vect.h" + +#define N 16 +#define OFF 4 + +/* 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 ib[N+OFF] __attribute__ ((__aligned__(16))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10}; + +int main1 (int *pib) +{ + int i; + int ia[N+OFF]; + int ic[N+OFF] = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10}; + + for (i = OFF; i < N; i++) + { + pib[i - OFF] = ic[i]; + } + + + /* check results: */ + for (i = OFF; i < N; i++) + { + if (pib[i - OFF] != ic[i]) + abort (); + } + + return 0; +} + +int main (void) +{ + check_vect (); + + main1 (&ib[OFF]); + return 0; +} + +/* Peeling to align the store is used. Overhead of peeling is too high. */ +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { target vector_alignment_reachable } } } */ +/* { dg-final { scan-tree-dump-times "vectorization not profitable" 1 "vect" { target { vector_alignment_reachable && {! vect_no_align} } } } } */ + +/* Versioning to align the store is used. Overhead of versioning is not too high. */ +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_no_align || {! vector_alignment_reachable} } } } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ |