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| author | Jan Hubicka <jh@suse.cz> | 2010-11-10 21:23:09 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2010-11-10 20:23:09 +0000 |
| commit | c5d0600d09df75581455e2152500866aa5d49f2e (patch) | |
| tree | d022ce30fea75864afaa32f9c9554dbd2b710d9c /gcc/testsuite | |
| parent | d707fc773877a218f563042d5c26657c5d1bd736 (diff) | |
| download | gcc-c5d0600d09df75581455e2152500866aa5d49f2e.zip gcc-c5d0600d09df75581455e2152500866aa5d49f2e.tar.gz gcc-c5d0600d09df75581455e2152500866aa5d49f2e.tar.bz2 | |
re PR tree-optimization/46228 (code produced for STL container is worse in 4.5.1 than in 4.4.5)
PR tree-optimize/46228
* doc/invoke.texi (comdat-sharing-probability): Document.
* ipa-inline.c (cgraph_estimate_growth): Handle COMDATs
* params.def (PARAM_COMDAT_SHARING_PROBABILITY): New param.
* g++.dg/tree-ssa/pr46228.C: New testcase.
From-SVN: r166555
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/tree-ssa/pr46228.C | 23 |
2 files changed, 28 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index b00c673..661e55b 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2010-11-10 Jan Hubicka <jh@suse.cz> + + PR tree-optimize/46228 + * g++.dg/tree-ssa/pr46228.C: New testcase. + 2010-11-10 H.J. Lu <hongjiu.lu@intel.com> PR tree-optimization/46414 diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr46228.C b/gcc/testsuite/g++.dg/tree-ssa/pr46228.C new file mode 100644 index 0000000..a720dbe --- /dev/null +++ b/gcc/testsuite/g++.dg/tree-ssa/pr46228.C @@ -0,0 +1,23 @@ +// { dg-options "-fdump-tree-optimized -Os" } +#include <set> +#include <stdio.h> + +int main() +{ + static const int array[] = { 1,2,3,4,5,6,7,8,9,10,6 }; + std::set<int> the_set; + int count = 0; + for (unsigned i = 0; i < sizeof(array)/sizeof(*array); i++) + { + std::pair<std::set<int>::iterator, bool> result = + the_set.insert(array[i]); + if (result.second) + count++; + } + printf("%d unique items in array.\n", count); + return 0; +} + +// This function is small enough to be inlined even at -Os. +// { dg-final { scan-tree-dump-not "_ZNSt8_Rb_treeIiiSt9_IdentityIiESt4lessIiESaIiEED2Ev" "optimized" } } +// { dg-final { cleanup-tree-dump "optimized" } } |