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[Bug fortran/36931] New: unneeded temporary
- 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: 25 Jul 2008 10:34:03 -0000
- Subject: [Bug fortran/36931] New: unneeded temporary
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
-Warray-temporaries indicates a temporary here:
MODULE M1
CONTAINS
SUBROUTINE S1()
REAL :: a(3),b(3,3),c(3)
a=MATMUL(b,c)/2
END SUBROUTINE S1
END MODULE M1
but it could be avoided as in:
MODULE M1
CONTAINS
SUBROUTINE S1()
REAL :: a(3),b(3,3),c(3)
a=MATMUL(b,c)
a=a/2
END SUBROUTINE S1
END MODULE M1
--
Summary: unneeded temporary
Product: gcc
Version: 4.4.0
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: normal
Priority: P3
Component: fortran
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=36931