public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
* [Bug c/23665] New: ICE in convert_move with -O3 (ok at -O2) @ 2005-09-01 0:54 kst at mib dot org 2005-09-01 1:03 ` [Bug c/23665] [3.4 Regression] " pinskia at gcc dot gnu dot org 2005-09-09 12:19 ` rguenth at gcc dot gnu dot org 0 siblings, 2 replies; 5+ messages in thread From: kst at mib dot org @ 2005-09-01 0:54 UTC (permalink / raw) To: gcc-bugs Note that the following code invokes undefined behavior. I haven't been able to reproduce this bug on platforms other than Cygwin. % cat gcc-bug.c double func(); int main(void) { double d = func(42); return 0; } double func(double arg) { return arg * 2.0; } % uname -a CYGWIN_NT-5.1 sedna 1.5.18(0.132/4/2) 2005-07-02 20:30 i686 unknown unknown Cygwin % gcc --version gcc (GCC) 3.4.4 (cygming special) (gdc 0.12, using dmd 0.125) Copyright (C) 2004 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. % gcc -c -O2 gcc-bug.c % gcc -c -O3 gcc-bug.c gcc-bug.c: In function `main': gcc-bug.c:10: internal compiler error: in convert_move, at expr.c:563 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. -- Summary: ICE in convert_move with -O3 (ok at -O2) Product: gcc Version: 3.4.4 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: kst at mib dot org CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: i686-pc-cygwin GCC host triplet: i686-pc-cygwin GCC target triplet: i686-pc-cygwin http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23665 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c/23665] [3.4 Regression] ICE in convert_move with -O3 (ok at -O2) 2005-09-01 0:54 [Bug c/23665] New: ICE in convert_move with -O3 (ok at -O2) kst at mib dot org @ 2005-09-01 1:03 ` pinskia at gcc dot gnu dot org 2005-09-09 12:19 ` rguenth at gcc dot gnu dot org 1 sibling, 0 replies; 5+ messages in thread From: pinskia at gcc dot gnu dot org @ 2005-09-01 1:03 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2005-09-01 01:03 ------- Confirmed, only a 3.4 regression. -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed| |1 Keywords| |ice-on-valid-code Known to fail| |3.4.0 Known to work| |4.0.0 4.1.0 3.3.3 Last reconfirmed|0000-00-00 00:00:00 |2005-09-01 01:03:38 date| | Summary|ICE in convert_move with -O3|[3.4 Regression] ICE in |(ok at -O2) |convert_move with -O3 (ok at | |-O2) Target Milestone|--- |3.4.5 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23665 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c/23665] [3.4 Regression] ICE in convert_move with -O3 (ok at -O2) 2005-09-01 0:54 [Bug c/23665] New: ICE in convert_move with -O3 (ok at -O2) kst at mib dot org 2005-09-01 1:03 ` [Bug c/23665] [3.4 Regression] " pinskia at gcc dot gnu dot org @ 2005-09-09 12:19 ` rguenth at gcc dot gnu dot org 1 sibling, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu dot org @ 2005-09-09 12:19 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From rguenth at gcc dot gnu dot org 2005-09-09 12:19 ------- Problem of the C frontend using the first decl with int arg and the inliner expecting to have a double in unit-at-a-time mode, -O1 -funit-at-a-time: inline double func(); int main(void) { double d = func(42); return 0; } inline double func(double arg) { return arg * 2.0; } src/tests/pr23665.c: In function `main': src/tests/pr23665.c:10: internal compiler error: in convert_move, at expr.c:563 Please submit a full bug report, with preprocessed source if appropriate. See <URL:http://gcc.gnu.org/bugs.html> for instructions. We're probably confusing the two decls. I guess we will not fix this for 3.4. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23665 ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <bug-23665-7039@http.gcc.gnu.org/bugzilla/>]
* [Bug c/23665] [3.4 Regression] ICE in convert_move with -O3 (ok at -O2) [not found] <bug-23665-7039@http.gcc.gnu.org/bugzilla/> @ 2005-10-07 4:11 ` gdr at gcc dot gnu dot org 2006-03-01 4:47 ` gdr at gcc dot gnu dot org 1 sibling, 0 replies; 5+ messages in thread From: gdr at gcc dot gnu dot org @ 2005-10-07 4:11 UTC (permalink / raw) To: gcc-bugs -- gdr at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|3.4.5 |3.4.6 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23665 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c/23665] [3.4 Regression] ICE in convert_move with -O3 (ok at -O2) [not found] <bug-23665-7039@http.gcc.gnu.org/bugzilla/> 2005-10-07 4:11 ` gdr at gcc dot gnu dot org @ 2006-03-01 4:47 ` gdr at gcc dot gnu dot org 1 sibling, 0 replies; 5+ messages in thread From: gdr at gcc dot gnu dot org @ 2006-03-01 4:47 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from gdr at gcc dot gnu dot org 2006-03-01 04:47 ------- Unlikely to be fixed for 3.4.6 -- gdr at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23665 ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2006-03-01 4:47 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2005-09-01 0:54 [Bug c/23665] New: ICE in convert_move with -O3 (ok at -O2) kst at mib dot org 2005-09-01 1:03 ` [Bug c/23665] [3.4 Regression] " pinskia at gcc dot gnu dot org 2005-09-09 12:19 ` rguenth at gcc dot gnu dot org [not found] <bug-23665-7039@http.gcc.gnu.org/bugzilla/> 2005-10-07 4:11 ` gdr at gcc dot gnu dot org 2006-03-01 4:47 ` gdr at gcc dot gnu dot org
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).