https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59161
Jan Kratochvil changed:
What|Removed |Added
CC||redi at gcc dot gnu.org
Compon
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78794
--- Comment #3 from Uroš Bizjak ---
Perhaps as simple as:
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 1cd1cd8..6899d4f 100644
--- a/gcc/config/i386/i386.c
+++ b/gcc/config/i386/i386.c
@@ -3424,7 +3424,7 @@ dimode_scalar_ch
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59170
Jan Kratochvil changed:
What|Removed |Added
CC||redi at gcc dot gnu.org
Vers
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59171
Jan Kratochvil changed:
What|Removed |Added
CC||redi at gcc dot gnu.org
--- Comment #2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78794
--- Comment #2 from Uroš Bizjak ---
Previously we entered STV pass with:
(insn 32 31 33 4 (parallel [
(set (reg:DI 118)
(and:DI (reg:DI 88 [ _5 ])
(reg:DI 97 [ _24 ])))
(clobber (reg:CC
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78788
--- Comment #4 from Matthias Klose ---
$ cat ghosts.i
int a;
long b;
long c;
void d() {
int e = 0;
for (; b; b++)
if (c) {
e++;
e++;
}
while (e)
a = e -= 2;
}
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65434
--- Comment #9 from Jonathan Wakely ---
(Although I have a simpler patch that does something similar, as well as
allowing the arena size to be controlled form the environment).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78786
--- Comment #4 from Vincent Lefèvre ---
(In reply to Vincent Lefèvre from comment #3)
> On -33 0, this program outputs:
>
> 2147483616
> 10487712
I forgot to say that I used "/usr/bin/time -f %M ..." to get the second output
number, which is th
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78786
--- Comment #3 from Vincent Lefèvre ---
Well, concerning "%.*Rf", indeed, mpfr_snprintf allocates 2 GB for a short
period. But I notice that glibc is much worse. Consider the following program.
#include
#include
#include
#include
int main (
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78791
Richard Biener changed:
What|Removed |Added
Target Milestone|--- |7.0
Summary|[7.0 regression]
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78794
Richard Biener changed:
What|Removed |Added
Target||x86_64-*-*, i?86-*-*
Target Milestone
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78794
--- Comment #1 from Yuri Rumyantsev ---
Created attachment 40322
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40322&action=edit
test-case to reproduce
Compile with -O2 -march=slm -m32 options to reproduce.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78794
Bug ID: 78794
Summary: [7 Regression] We noticed ~9% regression in 32-bit
mode for 462.libquntum on Avoton after r243202
Product: gcc
Version: 7.0
Status: UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78516
Peter Bergner changed:
What|Removed |Added
Attachment #40317|0 |1
is obsolete|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78529
--- Comment #20 from Jakub Jelinek ---
Unless you do something very nasty in the spec files (in which case you should
just avoid those tests), the user specified objects should always appear before
stuff coming from -lc unless -lc is specified fi
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78756
--- Comment #1 from Mojca Miklavec ---
In the meantime I realized that the part of our build system that supports
compiling cross-tools does the following:
---> Extracting gcc-6.2.0.tar.bz2
---> Patching cpp.texi: s|setfilename cpp.info|setfil
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78765
Marek Polacek changed:
What|Removed |Added
CC||mpolacek at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78529
James Greenhalgh changed:
What|Removed |Added
CC||jgreenhalgh at gcc dot gnu.org
--- Co
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78779
Marek Polacek changed:
What|Removed |Added
CC||mpolacek at gcc dot gnu.org
--- Comment
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78793
Bug ID: 78793
Summary: list_read.c: 7 * possible unintended fallthrough ?
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78791
--- Comment #2 from Eric Botcazou ---
> AFAICS the issue is the management of stack slots by assign_386_stack_local.
In .combine:
(call_insn 181 180 182 22 (set (reg:DI 0 ax)
(call (mem:QI (symbol_ref:SI ("__udivmoddi4") [flags 0x41]) [
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78779
--- Comment #1 from David Binderman ---
Same thing a few lines further down in the same file:
trunk/libgcc/soft-fp/op-common.h:913:10: warning: this statement may fall
through [-Wimplicit-fallthrough=]
Source code is
case _FP_CLS_COMBINE (
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78792
Bug ID: 78792
Summary: gfortran + gcov confused by #line directive
Product: gcc
Version: 6.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: gcov-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78788
--- Comment #3 from Richard Biener ---
Index: gcc/tree-vrp.c
===
--- gcc/tree-vrp.c (revision 243599)
+++ gcc/tree-vrp.c (working copy)
@@ -365,10 +365,6 @@ set_value_range
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78791
--- Comment #1 from Eric Botcazou ---
> ACATS cxf2001 fails on 32-bit x86 because Double_Divide of s-arit64.adb is
> miscompiled at -O2 by the STV pass. Self-contained testcase to be attached.
AFAICS the issue is the management of stack slots b
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78791
Bug ID: 78791
Summary: [7.0 regression] ACATS cxf2001 failure
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78788
--- Comment #2 from Richard Biener ---
Found new range for msgcnt_138: [-2147483646, +INF]
Found new range for msgcnt_228: [-2147483646, +INF]
Found new range for msgcnt_172: [-INF, 2147483645]
Found new range for msgcnt_138: [-2147483646, +INF(O
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65434
--- Comment #8 from Jonathan Wakely ---
Please send patches to the libstdc++@ and gcc-patches@ mailing lists, rather
than attaching them to closed bugs.
https://gcc.gnu.org/onlinedocs/libstdc++/manual/appendix_contributing.html
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59874
--- Comment #6 from Uroš Bizjak ---
(In reply to Allan Jensen from comment #5)
> This is more problematic to fix in Qt itself. How can we determine if we
> should/can use __builtin_clzs or __lzcnt16?
>
> Note the former is practically standard b
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78788
Richard Biener changed:
What|Removed |Added
Priority|P3 |P1
Status|UNCONFIRMED
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78790
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78787
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78778
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78775
Richard Biener changed:
What|Removed |Added
Priority|P3 |P1
Version|unknown
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78786
--- Comment #2 from Vincent Lefèvre ---
With "%.*f", the problem comes from GMP (and possibly glibc) since MPFR calls
the GMP functions to handle non-MPFR format specifiers.
But the patch seems to use "%.*Rf", for which I cannot reproduce the pr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78774
Richard Biener changed:
What|Removed |Added
Priority|P3 |P2
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55814
Richard Biener changed:
What|Removed |Added
Component|middle-end |fortran
--- Comment #5 from Richard Bie
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78559
Jakub Jelinek changed:
What|Removed |Added
CC||jakub at gcc dot gnu.org,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78684
amker at gcc dot gnu.org changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|--
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78790
Bug ID: 78790
Summary: Disable IPA-VRP for noclone functions.
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: ipa
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=18438
--- Comment #13 from Richard Biener ---
(In reply to Maxim Kuvyrkov from comment #9)
> I've looked into another case where inability to handle stores with gaps
> generates sub-optimal code. I'm interested in spending some time on fixing
> this,
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48361
Martin Liška changed:
What|Removed |Added
Status|RESOLVED|REOPENED
Resolution|WORKSFORME
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77933
Thomas Preud'homme changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Known to work|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78789
Bug ID: 78789
Summary: Error: no such instruction: `aesenc %xmm0,%xmm2' when
compiling libgo/runtime/aeshash.c
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Sev
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78771
Richard Biener changed:
What|Removed |Added
Priority|P3 |P2
Target Milestone|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78768
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77933
--- Comment #8 from Thomas Preud'homme ---
Author: thopre01
Date: Tue Dec 13 09:39:02 2016
New Revision: 243600
URL: https://gcc.gnu.org/viewcvs?rev=243600&root=gcc&view=rev
Log:
Fix PR77933: stack corruption on ARM when using high registers and
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78767
Richard Biener changed:
What|Removed |Added
Priority|P3 |P1
Version|6.2.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48361
Luca Ingianni changed:
What|Removed |Added
CC||luca at ingianni dot eu
--- Comment #8 f
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78788
Bug ID: 78788
Summary: [7 Regression] ICE (segfault) on s390x-linux-gnu
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78742
Richard Biener changed:
What|Removed |Added
Known to work||7.0
Summary|[5/6/7 Regressio
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78699
Richard Biener changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78699
--- Comment #6 from Richard Biener ---
Author: rguenth
Date: Tue Dec 13 09:19:19 2016
New Revision: 243599
URL: https://gcc.gnu.org/viewcvs?rev=243599&root=gcc&view=rev
Log:
2016-12-13 Richard Biener
PR tree-optimization/78699
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78742
--- Comment #10 from Richard Biener ---
Author: rguenth
Date: Tue Dec 13 09:17:42 2016
New Revision: 243598
URL: https://gcc.gnu.org/viewcvs?rev=243598&root=gcc&view=rev
Log:
2016-12-13 Richard Biener
PR middle-end/78742
* tr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78731
--- Comment #5 from rguenther at suse dot de ---
On Fri, 9 Dec 2016, law at redhat dot com wrote:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78731
>
> Jeffrey A. Law changed:
>
>What|Removed |Added
> --
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78757
Richard Biener changed:
What|Removed |Added
Version|unknown |7.0
--- Comment #2 from Richard Biener
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65434
--- Comment #7 from Markus Eisenmann ---
Hi!
My motivation to use/implement this patch (comment #6) is to prevent using
malloc to allocate the needed emergency-buffer region, if the needed overall
size is bellow a (configurable) limit; e.g., emb
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77905
--- Comment #5 from Jakub Jelinek ---
Author: jakub
Date: Tue Dec 13 08:48:45 2016
New Revision: 243596
URL: https://gcc.gnu.org/viewcvs?rev=243596&root=gcc&view=rev
Log:
PR ipa/77905
* ipa-pure-const.c (cdtor_p): Return true for
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65434
Markus Eisenmann changed:
What|Removed |Added
CC||meisenmann.lba@fh-salzburg.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78772
--- Comment #7 from ma.jiang at zte dot com.cn ---
(In reply to Markus Trippelsdorf from comment #5)
Hi Markus,
> These optimizations are not dangerous if you use standard conforming code.
I think these optimizations are dangerous because t
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