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[Bug target/36502] i386/darwin generates unnecessary stack ops in every function
- From: "howarth at nitro dot med dot uc dot edu" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 31 Aug 2010 15:48:14 -0000
- Subject: [Bug target/36502] i386/darwin generates unnecessary stack ops in every function
- References: <bug-36502-10175@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #16 from howarth at nitro dot med dot uc dot edu 2010-08-31 15:48 -------
(In reply to comment #14)
> Please try this patch:
>
> http://gcc.gnu.org/ml/gcc-patches/2010-08/msg01916.html
>
With the patch above and PR36502v3.patch, I still get...
FAIL: gcc.c-torture/execute/builtins/sprintf-chk.c compilation, -Os (internal
compiler error)
which appears as...
Executing on host: /sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20100830/gcc/testsuite/gcc.c-torture/execute/builtins/sprintf-chk.c
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20100830/gcc/testsuite/gcc.c-torture/execute/builtins/sprintf-chk-lib.c
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20100830/gcc/testsuite/gcc.c-torture/execute/builtins/lib/main.c
-w -Os -lm -m32 -o
/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/testsuite/gcc/sprintf-chk.x7
(timeout = 300)
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20100830/gcc/testsuite/gcc.c-torture/execute/builtins/sprintf-chk.c:197:1:
internal compiler error: in div_data_align, at dwarf2out.c:595
Interestingly, if I run...
/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/cc1 -quiet -v -imultilib
i386 -iprefix
/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/../lib/gcc/x86_64-apple-darwin10.5.0/4.6.0/
-isystem /sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/include -isystem
/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/gcc/include-fixed
-D__DYNAMIC__
/sw/src/fink.build/gcc46-4.6.0-1000/gcc-4.6-20100830/gcc/testsuite/gcc.c-torture/execute/builtins/sprintf-chk.c
-fPIC -quiet -dumpbase sprintf-chk.c -mmacosx-version-min=10.6.5 -m32
-mtune=generic -auxbase sprintf-chk -Os -w -version -o /var/tmp//ccVmszmK.s
(obtained with -v) through gdb, the crash is suppressed and the result
sprintf-chk.x7 binary executes fine.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36502