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| author | Ira Rosen <irar@il.ibm.com> | 2008-09-21 08:36:07 +0000 |
|---|---|---|
| committer | Ira Rosen <irar@gcc.gnu.org> | 2008-09-21 08:36:07 +0000 |
| commit | 5abf386014d3f91ce41b3a946857587082a014b4 (patch) | |
| tree | dfb8bc780e774f94dbfe1e833a45241769136ada /gcc/testsuite | |
| parent | ce00be9ede1903cd30d8ea2431ff984288ac9eb0 (diff) | |
| download | gcc-5abf386014d3f91ce41b3a946857587082a014b4.zip gcc-5abf386014d3f91ce41b3a946857587082a014b4.tar.gz gcc-5abf386014d3f91ce41b3a946857587082a014b4.tar.bz2 | |
re PR tree-optimization/37539 (Hang for -O3)
PR tree-optimization/37539
* tree-vect-transform.c (vect_transform_strided_load): Save vector
statement in related statement field only for the first load of the
group of loads with the same data reference.
From-SVN: r140522
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr37539.c | 45 |
2 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index a2c85e2..6f92376 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2008-09-21 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/37539 + * gcc.dg/vect/pr37539.c: New test. + 2008-09-20 Eric Botcazou <ebotcazou@adacore.com> PR rtl-optimization/33642 diff --git a/gcc/testsuite/gcc.dg/vect/pr37539.c b/gcc/testsuite/gcc.dg/vect/pr37539.c new file mode 100644 index 0000000..1d569a9 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr37539.c @@ -0,0 +1,45 @@ +/* { dg-require-effective-target vect_int } */ + +#include <stdarg.h> +#include "tree-vect.h" + +__attribute__ ((noinline)) void +ayuv2yuyv_ref (int *d, int *src, int n) +{ + char *dest = (char *)d; + int i; + + for(i=0;i<n/2;i++){ + dest[i*4 + 0] = (src[i*2 + 0])>>16; + dest[i*4 + 1] = (src[i*2 + 1])>>8; + dest[i*4 + 2] = (src[i*2 + 0])>>16; + dest[i*4 + 3] = (src[i*2 + 0])>>0; + } + + /* Check results. */ + for(i=0;i<n/2;i++){ + if (dest[i*4 + 0] != (src[i*2 + 0])>>16 + || dest[i*4 + 1] != (src[i*2 + 1])>>8 + || dest[i*4 + 2] != (src[i*2 + 0])>>16 + || dest[i*4 + 3] != (src[i*2 + 0])>>0) + abort(); + } +} + +int main () +{ + int d[256], src[128], i; + + for (i = 0; i < 128; i++) + src[i] = i; + + ayuv2yuyv_ref(d, src, 128); + + return 0; +} + +/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { target vect_strided_wide } } } */ +/* { dg-final { cleanup-tree-dump "vect" } } */ + + + |