diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/slp-13-big-array.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/slp-13-big-array.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/slp-13-big-array.c b/gcc/testsuite/gcc.dg/vect/slp-13-big-array.c new file mode 100644 index 00000000000..c40822b62a0 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/slp-13-big-array.c @@ -0,0 +1,141 @@ +/* { dg-require-effective-target vect_int } */ + +#include <stdarg.h> +#include "tree-vect.h" + +#define N 64 +volatile int y = 0; + +int +main1 () +{ + int i; + unsigned short out[N*8]; + unsigned short in[N*8]; + unsigned int in2[N*8]; + unsigned int out2[N*8]; + + for (i = 0; i < N*8; i++) + { + in[i] = in2[i] = i; + if (y) /* Avoid vectorization. */ + abort (); + } + + /* Induction is not SLPable yet. */ + for (i = 0; i < N; i++) + { + out[i*8] = in[i*8] + i; + out[i*8 + 1] = in[i*8 + 1] + i; + out[i*8 + 2] = in[i*8 + 2] + i; + out[i*8 + 3] = in[i*8 + 3] + i; + out[i*8 + 4] = in[i*8 + 4] + i; + out[i*8 + 5] = in[i*8 + 5] + i; + out[i*8 + 6] = in[i*8 + 6] + i; + out[i*8 + 7] = in[i*8 + 7] + i; + } + + /* check results: */ + for (i = 0; i < N; i++) + { + if (out[i*8] != in[i*8] + i + || out[i*8 + 1] != in[i*8 + 1] + i + || out[i*8 + 2] != in[i*8 + 2] + i + || out[i*8 + 3] != in[i*8 + 3] + i + || out[i*8 + 4] != in[i*8 + 4] + i + || out[i*8 + 5] != in[i*8 + 5] + i + || out[i*8 + 6] != in[i*8 + 6] + i + || out[i*8 + 7] != in[i*8 + 7] + i) + abort (); + } + + /* Induction is not SLPable yet and strided group size must be a power of 2 + to get vectorized. */ + for (i = 0; i < N/2; i++) + { + out2[i*12] = in2[i*12] + i; + out2[i*12 + 1] = in2[i*12 + 1] + i; + out2[i*12 + 2] = in2[i*12 + 2] + i; + out2[i*12 + 3] = in2[i*12 + 3] + i; + out2[i*12 + 4] = in2[i*12 + 4] + i; + out2[i*12 + 5] = in2[i*12 + 5] + i; + out2[i*12 + 6] = in2[i*12 + 6] + i; + out2[i*12 + 7] = in2[i*12 + 7] + i; + out2[i*12 + 8] = in2[i*12 + 8] + i; + out2[i*12 + 9] = in2[i*12 + 9] + i; + out2[i*12 + 10] = in2[i*12 + 10] + i; + out2[i*12 + 11] = in2[i*12 + 11] + i; + } + + /* check results: */ + for (i = 0; i < N/2; i++) + { + if (out2[i*12] != in2[i*12] + i + || out2[i*12 + 1] != in2[i*12 + 1] + i + || out2[i*12 + 2] != in2[i*12 + 2] + i + || out2[i*12 + 3] != in2[i*12 + 3] + i + || out2[i*12 + 4] != in2[i*12 + 4] + i + || out2[i*12 + 5] != in2[i*12 + 5] + i + || out2[i*12 + 6] != in2[i*12 + 6] + i + || out2[i*12 + 7] != in2[i*12 + 7] + i + || out2[i*12 + 8] != in2[i*12 + 8] + i + || out2[i*12 + 9] != in2[i*12 + 9] + i + || out2[i*12 + 10] != in2[i*12 + 10] + i + || out2[i*12 + 11] != in2[i*12 + 11] + i) + abort (); + } + + /* Not power of 2 but SLPable. */ + for (i = 0; i < N/2; i++) + { + out2[i*12] = in2[i*12] + 1; + out2[i*12 + 1] = in2[i*12 + 1] + 2; + out2[i*12 + 2] = in2[i*12 + 2] + 3; + out2[i*12 + 3] = in2[i*12 + 3] + 4; + out2[i*12 + 4] = in2[i*12 + 4] + 5; + out2[i*12 + 5] = in2[i*12 + 5] + 6; + out2[i*12 + 6] = in2[i*12 + 6] + 7; + out2[i*12 + 7] = in2[i*12 + 7] + 8; + out2[i*12 + 8] = in2[i*12 + 8] + 9; + out2[i*12 + 9] = in2[i*12 + 9] + 10; + out2[i*12 + 10] = in2[i*12 + 10] + 11; + out2[i*12 + 11] = in2[i*12 + 11] + 12; + } + + /* check results: */ + for (i = 0; i < N/2; i++) + { + if (out2[i*12] != in2[i*12] + 1 + || out2[i*12 + 1] != in2[i*12 + 1] + 2 + || out2[i*12 + 2] != in2[i*12 + 2] + 3 + || out2[i*12 + 3] != in2[i*12 + 3] + 4 + || out2[i*12 + 4] != in2[i*12 + 4] + 5 + || out2[i*12 + 5] != in2[i*12 + 5] + 6 + || out2[i*12 + 6] != in2[i*12 + 6] + 7 + || out2[i*12 + 7] != in2[i*12 + 7] + 8 + || out2[i*12 + 8] != in2[i*12 + 8] + 9 + || out2[i*12 + 9] != in2[i*12 + 9] + 10 + || out2[i*12 + 10] != in2[i*12 + 10] + 11 + || out2[i*12 + 11] != in2[i*12 + 11] + 12) + abort (); + } + + + + return 0; +} + +int main (void) +{ + check_vect (); + + main1 (); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" { target { vect_interleave && vect_extract_even_odd } } } } */ +/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 3 "vect" { xfail *-*-* } } } */ +/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ + |