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| author | Ira Rosen <irar@il.ibm.com> | 2010-06-14 12:22:13 +0000 |
|---|---|---|
| committer | Ira Rosen <irar@gcc.gnu.org> | 2010-06-14 12:22:13 +0000 |
| commit | c1e822d590c3841514118cc79284e466ac31125f (patch) | |
| tree | b0fa78dca1bcc6286458dff5972922cd0cf8557e /gcc/testsuite | |
| parent | 66919db5ac195aa7fe24af68c8f75222c952145e (diff) | |
| download | gcc-c1e822d590c3841514118cc79284e466ac31125f.zip gcc-c1e822d590c3841514118cc79284e466ac31125f.tar.gz gcc-c1e822d590c3841514118cc79284e466ac31125f.tar.bz2 | |
re PR tree-optimization/44507 (vectorization ANDs array elements together incorrectly)
PR tree-optimization/44507
* tree-vect-loop.c (get_initial_def_for_reduction): Use -1
to build initial vector for BIT_AND_EXPR.
* tree-vect-slp.c (vect_get_constant_vectors): Likewise.
From-SVN: r160727
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr44507.c | 55 |
2 files changed, 60 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 7f63eed..2dadf09 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-06-14 Ira Rosen <irar@il.ibm.com> + + PR tree-optimization/44507 + * gcc.dg/vect/pr44507.c: New test. + 2010-06-13 H.J. Lu <hongjiu.lu@intel.com> * g++.dg/plugin/header_plugin.c: Add "c-family/" to c-common.h diff --git a/gcc/testsuite/gcc.dg/vect/pr44507.c b/gcc/testsuite/gcc.dg/vect/pr44507.c new file mode 100644 index 0000000..e53ba30 --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr44507.c @@ -0,0 +1,55 @@ +/* { dg-require-effective-target vect_int } */ + +#include <stdlib.h> +#include "tree-vect.h" + +int seeIf256ByteArrayIsConstant( + unsigned char *pArray) +{ + int index; + unsigned int curVal, orVal, andVal; + int bytesAreEqual = 0; + + if (pArray != 0) + { + for (index = 0, orVal = 0, andVal = 0xFFFFFFFF; + index < 64; + index += (int)sizeof(unsigned int)) + { + curVal = *((unsigned long *)(&pArray[index])); + orVal = orVal | curVal; + andVal = andVal & curVal; + } + + if (!((orVal == andVal) + && ((orVal >> 8) == (andVal & 0x00FFFFFF)))) + abort (); + } + + return 0; +} + + +int main(int argc, char** argv) +{ + unsigned char array1[64] = { + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, + }; + + argv = argv; + argc = argc; + + check_vect (); + + return seeIf256ByteArrayIsConstant(&array1[0]); +} + +/* { dg-final { cleanup-tree-dump "vect" } } */ + |