https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
--- Comment #13 from Eric Botcazou ---
> Before your last fix both 32bit and 64bit versions of .original look similar
> except a condition. We have (a - b > 0) for 64 bit and (a > b) for 32bit.
That's obsolete though, you should look at what hap
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
--- Comment #12 from Ilya Enkovich ---
Before your last fix both 32bit and 64bit versions of .original look similar
except a condition. We have (a - b > 0) for 64 bit and (a > b) for 32bit.
64bit version (before and after the patch)
{
sum = (
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
--- Comment #11 from Eric Botcazou ---
> Is there any reason for ABS_EXPR detection for not working on 64bit target
> for the same test?
It is probably visible in the .original dump.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
--- Comment #10 from Ilya Enkovich ---
Thanks for the fix!
Is there any reason for ABS_EXPR detection for not working on 64bit target for
the same test? The only difference should be the long long type size. How does
it affect optimizations?
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
Eric Botcazou changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
--- Comment #8 from Eric Botcazou ---
Author: ebotcazou
Date: Mon Jul 28 08:55:17 2014
New Revision: 213118
URL: https://gcc.gnu.org/viewcvs?rev=213118&root=gcc&view=rev
Log:
PR middle-end/61734
* fold-const.c (fold_comparison): Disable
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
--- Comment #7 from Eric Botcazou ---
> Eric, dou you have any plans regarding this issue?
Sure, see comment #3.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
Igor Zamyatin changed:
What|Removed |Added
CC||izamyatin at gmail dot com
--- Comment #
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
--- Comment #5 from Marc Glisse ---
(In reply to Jakub Jelinek from comment #2)
> So perhaps teach fold also about A CMP B ? A - B : -(A - B) etc.?
Or teach phiopt about A CMP B ? (U)((T)A - (T)B) : (U)((T)B - (T)A)? Hmm, it is
starting to be a
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
--- Comment #4 from Jakub Jelinek ---
Sure, I wouldn't change fold_cond_expr_with_comparison itself.
Instead, next to the two spots that call fold_cond_expr_with_comparison add
another two, which would if arg1 or op2 is a MINUS_EXPR where the fir
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
Eric Botcazou changed:
What|Removed |Added
Status|NEW |ASSIGNED
Assignee|unassigned a
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org
--- Comment #2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
Eric Botcazou changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61734
Richard Biener changed:
What|Removed |Added
CC||ebotcazou at gcc dot gnu.org
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