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[Bug lto/44334] rnflow.f90 ~27% slower with -fwhole-program -flto after revision 159852
- From: "dominiq at lps dot ens.fr" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sun, 23 Jan 2011 08:45:21 +0000
- Subject: [Bug lto/44334] rnflow.f90 ~27% slower with -fwhole-program -flto after revision 159852
- Auto-submitted: auto-generated
- References: <bug-44334-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44334
--- Comment #28 from Dominique d'Humieres <dominiq at lps dot ens.fr> 2011-01-23 08:44:45 UTC ---
According to http://gcc.gnu.org/ml/gcc-regression/2011-01/msg00375.html
revision 169136 caused a bootstrap failure on powerpc-apple-darwin9.8.0:
....
/Users/regress/tbox/native/build/./prev-gcc/xgcc
-B/Users/regress/tbox/native/build/./prev-gcc/
-B/Users/regress/tbox/objs/powerpc-apple-darwin9.8.0/bin/
-B/Users/regress/tbox/objs/powerpc-apple-darwin9.8.0/bin/
-B/Users/regress/tbox/objs/powerpc-apple-darwin9.8.0/lib/ -isystem
/Users/regress/tbox/objs/powerpc-apple-darwin9.8.0/include -isystem
/Users/regress/tbox/objs/powerpc-apple-darwin9.8.0/sys-include -c -g -O2
-mdynamic-no-pic -gtoggle -DIN_GCC -W -Wall -Wwrite-strings -Wcast-qual
-Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic
-Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror
-Wold-style-definition -Wc++-compat -fno-common -DHAVE_CONFIG_H -I. -I.
-I/Users/regress/tbox/svn-gcc/gcc -I/Users/regress/tbox/svn-gcc/gcc/.
-I/Users/regress/tbox/svn-gcc/gcc/../include -I./../intl
-I/Users/regress/tbox/svn-gcc/gcc/../libcpp/include
-I/Users/regress/tbox/svn-gcc/gcc/../libdecnumber
-I/Users/regress/tbox/svn-gcc/gcc/../libdecnumber/dpd -I../libdecnumber
/Users/regress/tbox/svn-gcc/gcc/compare-elim.c -o compare-elim.o
/Users/regress/tbox/svn-gcc/gcc/compare-elim.c: In function
'maybe_select_cc_mode':
/Users/regress/tbox/svn-gcc/gcc/compare-elim.c:407:58: error: unused parameter
'b' [-Werror=unused-parameter]
cc1: all warnings being treated as errors