http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59494
Bug ID: 59494 Summary: [4.9 Regression] FAIL: gfortran.dg/vect/fast-math-mgrid-resid.f scan-tree-dump-times optimized "vect_[^\\n]*\\+ " 13 Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: testsuite Assignee: unassigned at gcc dot gnu.org Reporter: dominiq at lps dot ens.fr CC: hjl.tools at gmail dot com, howarth at bromo dot med.uc.edu, jakub at gcc dot gnu.org The test gfortran.dg/vect/fast-math-mgrid-resid.f fails after r203979 if gcc is configured with --with-cpu=core* (default for darwin). This is silenced if -mtune=generic is added to the dg-options list: --- gcc/testsuite/gfortran.dg/vect/fast-math-mgrid-resid.f 2013-04-08 15:53:21.000000000 +0200 +++ ../work/gcc/testsuite/gfortran.dg/vect/fast-math-mgrid-resid.f 2013-12-12 21:51:53.000000000 +0100 @@ -1,7 +1,7 @@ ! { dg-do compile { target i?86-*-* x86_64-*-* } } ! { dg-require-effective-target vect_double } ! { dg-require-effective-target sse2 } -! { dg-options "-O3 -ffast-math -msse2 -fpredictive-commoning -ftree-vectorize -fdump-tree-optimized" } +! { dg-options "-mtune=generic -O3 -ffast-math -msse2 -fpredictive-commoning -ftree-vectorize -fdump-tree-optimized" } ******* RESID COMPUTES THE RESIDUAL: R = V - AU