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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-40.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-40.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-40.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-40.c b/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-40.c new file mode 100644 index 000000000..269b08955 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.dg/vect/vect-40.c @@ -0,0 +1,63 @@ +/* { dg-require-effective-target vect_float } */ +/* { dg-add-options double_vectors } */ + +#include <stdarg.h> +#include "tree-vect.h" + +#define N 256 + +__attribute__ ((noinline)) +void bar (float *pa, float *pb, float *pc) +{ + int i; + + /* check results: */ + for (i = 0; i < N; i++) + { + if (pa[i] != (pb[i] * pc[i])) + abort (); + } + + return; +} + +/* Aligned pointer accesses. + The loop bound is known and divisible by the vectorization factor. + No aliasing problems. + vect-46.c is similar to this one with one difference: + the loop bound is unknown. */ + +float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) + = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57}; +float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) + = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19}; + +__attribute__ ((noinline)) int +main1 () +{ + int i; + float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))); + float *pa = a; + float *pb = b; + float *pc = c; + + for (i = 0; i < N; i++) + { + pa[i] = pb[i] * pc[i]; + } + + bar (pa,pb,pc); + + return 0; +} + +int main (void) +{ + check_vect (); + main1 (); + return 0; +} + +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"} } */ +/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ |