http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43419
Jackie Rosen changed:
What|Removed |Added
CC||jackie.rosen at hushmail dot
com
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hjl dot tools at gmail dot com changed:
What|Removed |Added
Known to fail||4.3.4
Known to work||4.4.4 4.5.0
--- Comment #9 from mikpe at it dot uu dot se 2010-03-22 16:02 ---
This bug also affects 4.3 branch. The upstream patch applies Ok and fixes it.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43419
--- Comment #8 from jakub at gcc dot gnu dot org 2010-03-22 14:58 ---
Subject: Bug 43419
Author: jakub
Date: Mon Mar 22 14:58:00 2010
New Revision: 157631
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157631
Log:
Backport from mainline:
2010-03-18 Michael Matz
--- Comment #7 from matz at gcc dot gnu dot org 2010-03-18 16:47 ---
Fixed.
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matz at gcc dot gnu dot org changed:
What|Removed |Added
Status|ASSIGNED
--- Comment #6 from matz at gcc dot gnu dot org 2010-03-18 16:08 ---
Subject: Bug 43419
Author: matz
Date: Thu Mar 18 16:07:53 2010
New Revision: 157543
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157543
Log:
PR middle-end/43419
* builtins.c (expand_builtin_po
--- Comment #5 from rguenth at gcc dot gnu dot org 2010-03-18 15:31 ---
Looks like we need to guard this with HONOR_SIGNED_ZEROS.
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
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--- Comment #4 from matz at gcc dot gnu dot org 2010-03-18 14:48 ---
I checked, and these and similar transformations are always guarded by
flag_unsafe_math_optimizations, so we should be fine, unless I missed a case
of course. If you notice one, please create a bug report.
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http
--- Comment #3 from dominiq at lps dot ens dot fr 2010-03-18 14:41 ---
While you are looking at this part, you may have to check that a similar
problem does not exist when converting x*sqrt(x) to pow(w,1.5) and so on.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43419
--- Comment #2 from matz at gcc dot gnu dot org 2010-03-18 14:35 ---
Mine.
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matz at gcc dot gnu dot org changed:
What|Removed |Added
AssignedTo|unassigned at gc
--- Comment #1 from vincent at vinc17 dot org 2010-03-18 14:33 ---
If I understand correctly, the bug appears with:
r119248 | rguenth | 2006-11-27 12:38:42 +0100 (Mon, 27 Nov 2006) | 10 lines
2006-11-27 Richard Guenther
PR middle-end/25620
* builtins.c (expand_built
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