diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/slp-3-big-array.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/slp-3-big-array.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/slp-3-big-array.c b/gcc/testsuite/gcc.dg/vect/slp-3-big-array.c new file mode 100644 index 00000000000..4f50f1f90fa --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/slp-3-big-array.c @@ -0,0 +1,155 @@ +/* { dg-require-effective-target vect_int } */ + +#include <stdarg.h> +#include "tree-vect.h" + +#define N 96 + +unsigned short in[N*8]; +volatile int y = 0; + +int +main1 () +{ + int i; + unsigned short out[N*8]; + + for (i = 0; i < N*8; i++) + { + in[i] = i&63; + if (y) /* Avoid vectorization. */ + abort (); + } + + for (i = 0; i < N; i++) + { + out[i*8] = in[i*8]; + out[i*8 + 1] = in[i*8 + 1]; + out[i*8 + 2] = in[i*8 + 2]; + out[i*8 + 3] = in[i*8 + 3]; + out[i*8 + 4] = in[i*8 + 4]; + out[i*8 + 5] = in[i*8 + 5]; + out[i*8 + 6] = in[i*8 + 6]; + out[i*8 + 7] = in[i*8 + 7]; + } + + /* check results: */ + for (i = 0; i < N; i++) + { + if (out[i*8] != in[i*8] + || out[i*8 + 1] != in[i*8 + 1] + || out[i*8 + 2] != in[i*8 + 2] + || out[i*8 + 3] != in[i*8 + 3] + || out[i*8 + 4] != in[i*8 + 4] + || out[i*8 + 5] != in[i*8 + 5] + || out[i*8 + 6] != in[i*8 + 6] + || out[i*8 + 7] != in[i*8 + 7]) + abort (); + } + + for (i = 0; i < N*2; i++) + { + out[i*4] = in[i*4]; + out[i*4 + 1] = in[i*4 + 1]; + out[i*4 + 2] = in[i*4 + 2]; + out[i*4 + 3] = in[i*4 + 3]; + } + + /* check results: */ + for (i = 0; i < N*2; i++) + { + if (out[i*4] != in[i*4] + || out[i*4 + 1] != in[i*4 + 1] + || out[i*4 + 2] != in[i*4 + 2] + || out[i*4 + 3] != in[i*4 + 3]) + abort (); + } + + for (i = 0; i < N/2; i++) + { + out[i*16] = in[i*16]; + out[i*16 + 1] = in[i*16 + 1]; + out[i*16 + 2] = in[i*16 + 2]; + out[i*16 + 3] = in[i*16 + 3]; + out[i*16 + 4] = in[i*16 + 4]; + out[i*16 + 5] = in[i*16 + 5]; + out[i*16 + 6] = in[i*16 + 6]; + out[i*16 + 7] = in[i*16 + 7]; + out[i*16 + 8] = in[i*16 + 8]; + out[i*16 + 9] = in[i*16 + 9]; + out[i*16 + 10] = in[i*16 + 10]; + out[i*16 + 11] = in[i*16 + 11]; + out[i*16 + 12] = in[i*16 + 12]; + out[i*16 + 13] = in[i*16 + 13]; + out[i*16 + 14] = in[i*16 + 14]; + out[i*16 + 15] = in[i*16 + 15]; + } + + /* check results: */ + for (i = 0; i < N/2; i++) + { + if (out[i*16] != in[i*16] + || out[i*16 + 1] != in[i*16 + 1] + || out[i*16 + 2] != in[i*16 + 2] + || out[i*16 + 3] != in[i*16 + 3] + || out[i*16 + 4] != in[i*16 + 4] + || out[i*16 + 5] != in[i*16 + 5] + || out[i*16 + 6] != in[i*16 + 6] + || out[i*16 + 7] != in[i*16 + 7] + || out[i*16 + 8] != in[i*16 + 8] + || out[i*16 + 9] != in[i*16 + 9] + || out[i*16 + 10] != in[i*16 + 10] + || out[i*16 + 11] != in[i*16 + 11] + || out[i*16 + 12] != in[i*16 + 12] + || out[i*16 + 13] != in[i*16 + 13] + || out[i*16 + 14] != in[i*16 + 14] + || out[i*16 + 15] != in[i*16 + 15]) + abort (); + } + + /* SLP with unrolling by 8. */ + for (i = 0; i < N/4; i++) + { + out[i*9] = in[i*9]; + out[i*9 + 1] = in[i*9 + 1]; + out[i*9 + 2] = in[i*9 + 2]; + out[i*9 + 3] = in[i*9 + 3]; + out[i*9 + 4] = in[i*9 + 4]; + out[i*9 + 5] = in[i*9 + 5]; + out[i*9 + 6] = in[i*9 + 6]; + out[i*9 + 7] = in[i*9 + 7]; + out[i*9 + 8] = in[i*9 + 8]; + } + + /* check results: */ + for (i = 0; i < N/4; i++) + { + if (out[i*9] != in[i*9] + || out[i*9 + 1] != in[i*9 + 1] + || out[i*9 + 2] != in[i*9 + 2] + || out[i*9 + 3] != in[i*9 + 3] + || out[i*9 + 4] != in[i*9 + 4] + || out[i*9 + 5] != in[i*9 + 5] + || out[i*9 + 6] != in[i*9 + 6] + || out[i*9 + 7] != in[i*9 + 7] + || out[i*9 + 8] != in[i*9 + 8]) + abort (); + } + + + return 0; +} + +int main (void) +{ + check_vect (); + + main1 (); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "vectorized 4 loops" 1 "vect" } } */ +/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 4 "vect" } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ + |