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| author | Richard Biener <rguenth@gcc.gnu.org> | 2008-05-09 20:04:57 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2008-05-09 20:04:57 +0000 |
| commit | cc7f489c20f56793bf363bcaef7fe5f8d1dcbce4 (patch) | |
| tree | b58f0eab4bad38ccd2966ad2a2d8569fed5b3fb5 /gcc | |
| parent | 53a8f709904821fffda9897a9c197af9465a626e (diff) | |
| download | gcc-cc7f489c20f56793bf363bcaef7fe5f8d1dcbce4.zip gcc-cc7f489c20f56793bf363bcaef7fe5f8d1dcbce4.tar.gz gcc-cc7f489c20f56793bf363bcaef7fe5f8d1dcbce4.tar.bz2 | |
re PR tree-optimization/36187 (Partitioning problem with SFTs (again))
2008-05-09 Richard Guenther <rguenther@suse.de>
PR tree-optimization/36187
* g++.dg/opt/pr36187.C: New testcase.
From-SVN: r135126
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/opt/pr36187.C | 45 |
2 files changed, 51 insertions, 1 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index f6c39ea..531df9f 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,4 +1,9 @@ -2008-01-08 Jan Sjodin <jan.sjodin@amd.com> +2008-05-09 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/36187 + * g++.dg/opt/pr36187.C: New testcase. + +2008-05-08 Jan Sjodin <jan.sjodin@amd.com> Sebastian Pop <sebastian.pop@amd.com> * gcc.dg/tree-ssa/data-dep-1.c: New. diff --git a/gcc/testsuite/g++.dg/opt/pr36187.C b/gcc/testsuite/g++.dg/opt/pr36187.C new file mode 100644 index 0000000..fdb468d --- /dev/null +++ b/gcc/testsuite/g++.dg/opt/pr36187.C @@ -0,0 +1,45 @@ +/* { dg-do run } */ +/* { dg-options "-O2 --param max-aliased-vops=20" } */ + +extern "C" void abort (void); +enum SbxDataType { SbxINTEGER, SbxDECIMAL, SbxBYREF = 0x4000 }; +struct SbxValues { + union { + float nSingle; + float* pSingle; + }; + SbxDataType eType; +}; +static bool ImpPutDoubleFoo( SbxValues* p) +{ + bool bRet = false; + SbxValues aTmp; + int count = 0; +start: + switch( p->eType ) { + case SbxINTEGER: + if (count++ > 0) + abort (); + aTmp.pSingle = &p->nSingle; goto direct; + case SbxBYREF | SbxDECIMAL: + bRet = false; + break; + direct: + aTmp.eType = SbxDataType( p->eType | SbxBYREF ); + p = &aTmp; goto start; + case SbxBYREF | SbxINTEGER: + break; + default: + bRet =true; + } + return bRet; +} + +int main( int argc, char** argv ) +{ + SbxValues aTmp; + aTmp.eType = SbxINTEGER; + if ( ImpPutDoubleFoo( &aTmp ) ) + abort (); + return 0; +} |