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[Bug other/32358] Acovea finds bugs in GCC 4.3.0 and problems with default optimizations levels
- From: "patrik dot hagglund at bredband dot net" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Oct 2007 17:44:44 -0000
- Subject: [Bug other/32358] Acovea finds bugs in GCC 4.3.0 and problems with default optimizations levels
- References: <bug-32358-13830@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from patrik dot hagglund at bredband dot net 2007-10-07 17:44 -------
I have found two bugs using my own (unfinished/unreleased) Acovea
replacement (available upon request). Both are for -fsee.
gcc (GCC) 4.3.0 20071005 (experimental)
--
gcc -std=gnu99 -O3 -fsee fftbench.c
fftbench.c: In function 'main':
fftbench.c:214: error: invalid rtl sharing found in the insn
(insn 682 681 261 27 fftbench.c:78 (set (reg/v:SI 126 [ k2.337 ])
(subreg:SI (reg:DI 313 [ k2.337 ]) 0)) -1 (nil))
fftbench.c:214: error: shared rtx
(subreg:SI (reg:DI 313 [ k2.337 ]) 0)
fftbench.c:214: internal compiler error: internal consistency failure
--
gcc -std=gnu99 -O3 -fsee -fno-regmove distbench.c
distbench.c: In function 'main':
distbench.c:140: internal compiler error: Segmentation fault
--
patrik dot hagglund at bredband dot net changed:
What |Removed |Added
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CC| |patrik dot hagglund at
| |bredband dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32358