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[Bug target/39137] [4.4 Regression] -mpreferred-stack-boundary=2 causes lots of dynamic realign
- 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: 12 Mar 2009 00:41:16 -0000
- Subject: [Bug target/39137] [4.4 Regression] -mpreferred-stack-boundary=2 causes lots of dynamic realign
- References: <bug-39137-87@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #43 from howarth at nitro dot med dot uc dot edu 2009-03-12 00:41 -------
On darwin10, I am seeing...
Executing on host:
/sw/src/fink.build/gcc44-4.3.999-20090311/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc44-4.3.999-20090311/darwin_objdir/gcc/
/sw/src/fink.build/gcc44-4.3.999-20090311/gcc-4.4-20090311/gcc/testsuite/gcc.target/i386/stackalign/longlong-2.c
-mstackrealign -O2 -mpreferred-stack-boundary=2 -S -m32 -o longlong-2.s
(timeout = 300)
PASS: gcc.target/i386/stackalign/longlong-2.c -mstackrealign (test for excess
errors)
FAIL: gcc.target/i386/stackalign/longlong-2.c scan-assembler-times
and[lq]?[^\n]*-8,[^\n]*sp 2
FAIL: gcc.target/i386/stackalign/longlong-2.c scan-assembler-times
and[lq]?[^\n]*-16,[^\n]*sp 2
and
Executing on host:
/sw/src/fink.build/gcc44-4.3.999-20090311/darwin_objdir/gcc/xgcc
-B/sw/src/fink.build/gcc44-4.3.999-20090311/darwin_objdir/gcc/
/sw/src/fink.build/gcc44-4.3.999-20090311/gcc-4.4-20090311/gcc/testsuite/gcc.target/i386/stackalign/longlong-2.c
-mno-stackrealign -O2 -mpreferred-stack-boundary=2 -S -m32 -o longlong-2.s
(timeout = 300)
PASS: gcc.target/i386/stackalign/longlong-2.c -mno-stackrealign (test for
excess errors)
FAIL: gcc.target/i386/stackalign/longlong-2.c scan-assembler-times
and[lq]?[^\n]*-8,[^\n]*sp 2
FAIL: gcc.target/i386/stackalign/longlong-2.c scan-assembler-times
and[lq]?[^\n]*-16,[^\n]*sp 2
The assembly from each is attached.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39137