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From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/47598] -fgraphite-identity at -O2 breaks profiledbootstrap
Date: Thu, 03 Feb 2011 15:53:00 -0000 [thread overview]
Message-ID: <bug-47598-4-TacRbXWxt3@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-47598-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47598
--- Comment #4 from H.J. Lu <hjl.tools at gmail dot com> 2011-02-03 15:52:50 UTC ---
(In reply to comment #0)
> Enabling -fgraphite at -O2 with...
>
> /sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/./prev-gcc/xgcc
> -B/sw/src/fink.build/gcc46-4.6.0-1000/darwin_objdir/./prev-gcc/
> -B/sw/lib/gcc4.6/x86_64-apple-darwin10.7.0/bin/
> -B/sw/lib/gcc4.6/x86_64-apple-darwin10.7.0/bin/
> -B/sw/lib/gcc4.6/x86_64-apple-darwin10.7.0/lib/ -isystem
> /sw/lib/gcc4.6/x86_64-apple-darwin10.7.0/include -isystem
> /sw/lib/gcc4.6/x86_64-apple-darwin10.7.0/sys-include -c -DHAVE_CONFIG_H -g
> -O2 -mdynamic-no-pic -flto=jobserver -frandom-seed=1 -fprofile-use -I.
> -I../../gcc-4.6-20110202/libiberty/../include -W -Wall -Wwrite-strings
> -Wc++-compat -Wstrict-prototypes -pedantic
> ../../gcc-4.6-20110202/libiberty/cp-demangle.c -o cp-demangle.o
> ../../gcc-4.6-20110202/libiberty/cp-demangle.c: In function 'd_print_comp':
> ../../gcc-4.6-20110202/libiberty/cp-demangle.c:4350:1: error: insn does not
> satisfy its constraints:
> (insn 1855 310 311 39 (parallel [
> (set (reg/f:DI 4 si [orig:719 dpi_17(D)->modifiers ] [719])
> (plus:DI (reg:DI 4 si [486])
> (plus:DI (reg/f:DI 7 sp)
> (const_int 0 [0]))))
> (clobber (reg:CC 17 flags))
> ]) ../../gcc-4.6-20110202/libiberty/cp-demangle.c:3611 253 {*adddi_1}
> (nil))
> ../../gcc-4.6-20110202/libiberty/cp-demangle.c:4350:1: internal compiler error:
> in reload_cse_simplify_operands, at postreload.c:401
Can you create a standalone testcase to show this -fgraphite-identity -O2 bug?
next prev parent reply other threads:[~2011-02-03 15:53 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-03 15:01 [Bug middle-end/47598] New: " howarth at nitro dot med.uc.edu
2011-02-03 15:06 ` [Bug middle-end/47598] " howarth at nitro dot med.uc.edu
2011-02-03 15:18 ` howarth at nitro dot med.uc.edu
2011-02-03 15:37 ` howarth at nitro dot med.uc.edu
2011-02-03 15:53 ` hjl.tools at gmail dot com [this message]
2011-02-03 16:25 ` howarth at nitro dot med.uc.edu
2011-02-03 23:54 ` howarth at nitro dot med.uc.edu
2015-10-09 16:28 ` spop at gcc dot gnu.org
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