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[Bug tree-optimization/43627] New: [4.5 Regression] slow compilation
- From: "jv244 at cam dot ac dot uk" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 2 Apr 2010 08:14:09 -0000
- Subject: [Bug tree-optimization/43627] New: [4.5 Regression] slow compilation
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
The to-be-attached file compiles very slowly with 4.5:
4.3 ([gcc-4_3-branch revision 135036]): 37s
4.4 ([gcc-4_4-branch revision 150482]): 30s
4.5 ([trunk revision 157940]): 6m35s
gfortran -fbounds-check -g -O3 -ffast-math -funroll-loops -ftree-vectorize
-march=native -c hog.f90
--
Summary: [4.5 Regression] slow compilation
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Keywords: compile-time-hog
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jv244 at cam dot ac dot uk
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43627