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author | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
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committer | Ben Cheng <bccheng@google.com> | 2014-03-25 22:37:19 -0700 |
commit | 1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch) | |
tree | c607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-double-reduc-6-big-array.c | |
parent | 283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff) | |
download | toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2 toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip |
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-double-reduc-6-big-array.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-double-reduc-6-big-array.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-double-reduc-6-big-array.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-double-reduc-6-big-array.c new file mode 100644 index 000000000..abf3f7db6 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-double-reduc-6-big-array.c @@ -0,0 +1,65 @@ +/* { dg-require-effective-target vect_int_mult } */ + +#include <stdarg.h> +#include "tree-vect.h" + +#define K 16 + +int in[2*K][K] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); +int out[K]; +int check_result[K]; + +volatile int y = 0; + +__attribute__ ((noinline)) void +foo () +{ + int sum; + int i, j, k; + + for (k = 0; k < K; k++) + { + sum = 1; + for (j = 0; j < K; j++) + for (i = 0; i < K; i++) + { + sum *= in[i+k][j]; + /* Avoid vectorization. */ + if (y) + abort (); + } + check_result[k] = sum; + } + + for (k = 0; k < K; k++) + { + sum = 1; + for (j = 0; j < K; j++) + for (i = 0; i < K; i++) + sum *= in[i+k][j]; + out[k] = sum; + } +} + +int main () +{ + int i, j, k; + + check_vect (); + + for (i = 0; i < 2*K; i++) + for (j = 0; j < K; j++) + in[i][j] = (i+2)/3; + + foo (); + + for (k = 0; k < K; k++) + if (out[k] != check_result[k]) + abort (); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ + |