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* [Bug c/32750] New: Bogus warning "00000003fffffffc shortened to 00000000fffffffc" @ 2007-07-13 0:20 hlinnaka at iki dot fi 2007-07-13 0:21 ` [Bug c/32750] " hlinnaka at iki dot fi ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: hlinnaka at iki dot fi @ 2007-07-13 0:20 UTC (permalink / raw) To: gcc-bugs The attached test case produces this warning: $ gcc -save-temps -O2 shortened.c -o shortened shortened.s: Assembler messages: shortened.s:21: Warning: 00000003fffffffc shortened to 00000000fffffffc This only happens with -O2, not with -O0 or -O1. I can reproduce this on the following versions (these are all from prebuilt Debian packages): gcc-4.0 (GCC) 4.0.4 20060507 (prerelease) (Debian 4.0.3-3) gcc-4.1 (GCC) 4.1.2 20061028 (prerelease) (Debian 4.1.1-19) The following versions seem to be unaffected: gcc-3.4 (GCC) 3.4.6 (Debian 3.4.6-5) gcc-4.2 (GCC) 4.2.1 20070627 (prerelease) (Debian 4.2-20070627-1) -- Summary: Bogus warning "00000003fffffffc shortened to 00000000fffffffc" Product: gcc Version: 4.0.4 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: hlinnaka at iki dot fi GCC build triplet: i486-pc-linux-gnu GCC host triplet: i486-pc-linux-gnu GCC target triplet: i486-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32750 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c/32750] Bogus warning "00000003fffffffc shortened to 00000000fffffffc" 2007-07-13 0:20 [Bug c/32750] New: Bogus warning "00000003fffffffc shortened to 00000000fffffffc" hlinnaka at iki dot fi @ 2007-07-13 0:21 ` hlinnaka at iki dot fi 2007-07-13 0:24 ` [Bug target/32750] " hlinnaka at iki dot fi ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: hlinnaka at iki dot fi @ 2007-07-13 0:21 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from hlinnaka at iki dot fi 2007-07-13 00:21 ------- Created an attachment (id=13906) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13906&action=view) Test case -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32750 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/32750] Bogus warning "00000003fffffffc shortened to 00000000fffffffc" 2007-07-13 0:20 [Bug c/32750] New: Bogus warning "00000003fffffffc shortened to 00000000fffffffc" hlinnaka at iki dot fi 2007-07-13 0:21 ` [Bug c/32750] " hlinnaka at iki dot fi @ 2007-07-13 0:24 ` hlinnaka at iki dot fi 2010-02-21 0:48 ` manu at gcc dot gnu dot org 2010-02-21 0:49 ` manu at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: hlinnaka at iki dot fi @ 2007-07-13 0:24 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from hlinnaka at iki dot fi 2007-07-13 00:24 ------- Created an attachment (id=13907) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=13907&action=view) Preprocessed file from the testcase -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32750 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/32750] Bogus warning "00000003fffffffc shortened to 00000000fffffffc" 2007-07-13 0:20 [Bug c/32750] New: Bogus warning "00000003fffffffc shortened to 00000000fffffffc" hlinnaka at iki dot fi 2007-07-13 0:21 ` [Bug c/32750] " hlinnaka at iki dot fi 2007-07-13 0:24 ` [Bug target/32750] " hlinnaka at iki dot fi @ 2010-02-21 0:48 ` manu at gcc dot gnu dot org 2010-02-21 0:49 ` manu at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: manu at gcc dot gnu dot org @ 2010-02-21 0:48 UTC (permalink / raw) To: gcc-bugs ------- Comment #3 from manu at gcc dot gnu dot org 2010-02-21 00:48 ------- 4.1.x is already too old, so if you cannot reproduce it in a recent version, we consider this FIXED. -- manu at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |manu at gcc dot gnu dot org Status|UNCONFIRMED |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32750 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug target/32750] Bogus warning "00000003fffffffc shortened to 00000000fffffffc" 2007-07-13 0:20 [Bug c/32750] New: Bogus warning "00000003fffffffc shortened to 00000000fffffffc" hlinnaka at iki dot fi ` (2 preceding siblings ...) 2010-02-21 0:48 ` manu at gcc dot gnu dot org @ 2010-02-21 0:49 ` manu at gcc dot gnu dot org 3 siblings, 0 replies; 5+ messages in thread From: manu at gcc dot gnu dot org @ 2010-02-21 0:49 UTC (permalink / raw) To: gcc-bugs ------- Comment #4 from manu at gcc dot gnu dot org 2010-02-21 00:48 ------- Thanks for the report, nonetheless. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32750 ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2010-02-21 0:49 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2007-07-13 0:20 [Bug c/32750] New: Bogus warning "00000003fffffffc shortened to 00000000fffffffc" hlinnaka at iki dot fi 2007-07-13 0:21 ` [Bug c/32750] " hlinnaka at iki dot fi 2007-07-13 0:24 ` [Bug target/32750] " hlinnaka at iki dot fi 2010-02-21 0:48 ` manu at gcc dot gnu dot org 2010-02-21 0:49 ` manu at gcc dot gnu dot org
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