http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46221
--- Comment #5 from Alan Modra 2010-10-30 04:41:54
UTC ---
Created attachment 22203
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22203
aliases.i reduced C testcase
This reduced testcase shows lack of "wobbly" alias when compiled with gcc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46221
--- Comment #4 from Alan Modra 2010-10-30 04:37:38
UTC ---
The one thing that makes the missing alias different from other aliases is that
its target is itself an alias. Hmm, that suggests a reduced C testcase might
be easy.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46236
Summary: Local aggregate not eliminated
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: normal
Priority: P3
Component: tree-
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46235
Summary: inefficient bittest code generation
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: normal
Priority: P3
Component:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46228
--- Comment #6 from Zeev Tarantov 2010-10-29
23:44:49 UTC ---
Setting -finline-limit high didn't produce different code.
This function:
4007f8: 48 8b 77 10 mov0x10(%rdi),%rsi
4007fc: e9 c5 ff ff ff jmpq
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44265
--- Comment #3 from Ian Harvey 2010-10-29
23:32:29 UTC ---
(In reply to comment #2)
> Created attachment 22202 [details]
> Possible patch for PR44265
Apologies - I wrote several paragraphs of reasonably coherent explanation, but
it got lost when
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46213
Richard Guenther changed:
What|Removed |Added
Target Milestone|--- |4.6.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46222
Richard Guenther changed:
What|Removed |Added
Target Milestone|--- |4.6.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46228
--- Comment #5 from Richard Guenther 2010-10-29
23:28:39 UTC ---
Especially since we now predict main as cold (it's called once).
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46229
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |WAITING
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46230
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |WAITING
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46231
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |WAITING
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46232
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |WAITING
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46234
--- Comment #1 from Richard Guenther 2010-10-29
23:22:24 UTC ---
So, what is it? please properly mark bugs as regression if you know a working
version.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44265
--- Comment #2 from Ian Harvey 2010-10-29
23:20:42 UTC ---
Created attachment 22202
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22202
Possible patch for PR44265
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44569
Richard Guenther changed:
What|Removed |Added
CC||hjl.tools at gmail dot com
--- Comment
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46227
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46207
Benjamin Kosnik changed:
What|Removed |Added
CC||bkoz at gcc dot gnu.org
--- Comment #8
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46233
H.J. Lu changed:
What|Removed |Added
CC||hubicka at gcc dot gnu.org
--- Comment #3 from
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44970
--- Comment #93 from Steve Ellcey 2010-10-29 22:39:00
UTC ---
(In reply to comment #92)
> See followup here: http://gcc.gnu.org/ml/gcc-patches/2010-10/msg01636.html
Ah yes, that's better.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44970
--- Comment #92 from Paolo Bonzini 2010-10-29 22:33:04
UTC ---
See followup here: http://gcc.gnu.org/ml/gcc-patches/2010-10/msg01636.html
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46222
Nicola Pero changed:
What|Removed |Added
Priority|P3 |P5
Status|UNCONFIRMED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44970
--- Comment #91 from Steve Ellcey 2010-10-29 22:29:10
UTC ---
I just noticed that the latest patch is causing a failure of
gfortran.dg/large_real_kind_2.F90 with -O1 on my ia64-hp-hpux11.23 platform.
Note that the original bug we were fixing was
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46186
--- Comment #24 from joseph at codesourcery dot com 2010-10-29 21:58:46 UTC ---
On Fri, 29 Oct 2010, sebpop at gmail dot com wrote:
> here is a preliminary patch (not tested yet other that the PR testcase).
How does this patch deal with needing
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46152
--- Comment #16 from Steve Kargl
2010-10-29 21:51:20 UTC ---
On Fri, Oct 29, 2010 at 02:51:33PM +, janus at gcc dot gnu.org wrote:
> >
> > program hmm
> > doubleprecision, allocatable :: x
> > allocate(doubleprecicion :: x)
> > end p
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46186
--- Comment #23 from sebpop at gmail dot com
2010-10-29 21:44:09 UTC ---
Hi,
here is a preliminary patch (not tested yet other that the PR testcase).
This patch improves chrec_apply to also handle these very uncommon
cases that some like to make
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46234
Summary: ICE in expand_expr_real_2 for va-arg-XXX tescases
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assigne
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46204
Steve Ellcey changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46186
Thorsten Glaser changed:
What|Removed |Added
CC||tg at mirbsd dot org
--- Comment #22 fr
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46233
Andrew Pinski changed:
What|Removed |Added
Target|x86_64-pc-linux-gnu |
Status|UNCONFIRMED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46233
--- Comment #1 from Andrew Pinski 2010-10-29
20:56:43 UTC ---
Here is a simple testcase which shows the problem is not in the tail call
optimization pass:
int
foo ()
{
int i = 0;
while (1)
{
i += foo ();
}
}
--- CUT ---
Compile at -O
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46233
Summary: [4.6 Regression] ICE: verify_flow_info failed: control
flow in the middle of basic block 3 with
-foptimize-sibling-calls
Product: gcc
Version: 4.6.0
Statu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46228
Andrew Pinski changed:
What|Removed |Added
Target Milestone|4.5.2 |---
--- Comment #4 from Andrew Pinski 20
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46228
Andrew Pinski changed:
What|Removed |Added
Keywords||missed-optimization
Severity|no
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46232
Summary: [4.6 regression] 64-bit gcc.dg/tree-ssa/pr14814.c
FAILs on SPARC
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Co
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46231
Summary: gcc.dg/vect/slp-reduc-[36].c FAIL on SPARC
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assigne
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46230
Summary: Several SLP tests XPASS on SPARC
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unass
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46228
Paolo Carlini changed:
What|Removed |Added
CC||paolo.carlini at oracle dot
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46229
Summary: gcc.dg/vect/vect-peel-?.c issues on SPARC
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
Assigned
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41822
Paul Koning changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46228
H.J. Lu changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46226
--- Comment #6 from Richard Henderson 2010-10-29
17:16:16 UTC ---
Author: rth
Date: Fri Oct 29 17:16:11 2010
New Revision: 166070
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166070
Log:
PR rtl-opt/46226
Move test case to x86 test direc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46226
--- Comment #5 from Richard Henderson 2010-10-29
17:12:51 UTC ---
Author: rth
Date: Fri Oct 29 17:12:46 2010
New Revision: 166069
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166069
Log:
PR rtl-opt/46226
Move test case to x86 test direc
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46226
Richard Henderson changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
CC|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46226
--- Comment #3 from Richard Henderson 2010-10-29
16:58:43 UTC ---
Author: rth
Date: Fri Oct 29 16:58:36 2010
New Revision: 166068
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166068
Log:
PR rtl-opt/46226
* stmt.c (expand_asm_operands):
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46228
Summary: code produced for STL container is worse in 4.5.1 than
in 4.4.5
Product: gcc
Version: 4.5.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Com
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46226
--- Comment #2 from Richard Henderson 2010-10-29
16:56:26 UTC ---
Author: rth
Date: Fri Oct 29 16:56:18 2010
New Revision: 166067
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166067
Log:
PR rtl-opt/46226
* stmt.c (expand_asm_operands):
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45270
Changpeng Fang changed:
What|Removed |Added
Status|WAITING |RESOLVED
Resolution|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46219
Richard Henderson changed:
What|Removed |Added
CC||rth at gcc dot gnu.org
--- Comment #3
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46227
Summary: FAIL: gcc.dg/torture/vector-shift2.c
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: u
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46196
Dominique d'Humieres changed:
What|Removed |Added
CC||bur...@net-b.de
--- Comment #8 fro
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46226
Richard Henderson changed:
What|Removed |Added
Priority|P3 |P2
Status|UNCONFIRMED
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46226
Summary: asm goto may leave stack pointer invalid
Product: gcc
Version: 4.5.1
Status: UNCONFIRMED
Severity: major
Priority: P3
Component: rtl-optimization
AssignedTo:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46152
janus at gcc dot gnu.org changed:
What|Removed |Added
Status|UNCONFIRMED |NEW
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46213
H.J. Lu changed:
What|Removed |Added
CC||pault at gcc dot gnu.org
--- Comment #3 from H.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46224
--- Comment #1 from Jonathan Wakely 2010-10-29
14:18:21 UTC ---
Comeau has a similar warning.
Here's a slightly smaller testcase that should produce a warning:
#include
#include
void* operator new( std::size_t num_bytes, const char* ) throw
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40191
Kai Tietz changed:
What|Removed |Added
CC||ktietz at gcc dot gnu.org
--- Comment #4 from
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39465
Kai Tietz changed:
What|Removed |Added
CC||ktietz at gcc dot gnu.org
--- Comment #16 fro
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46225
Summary: Wrong code generated for certain constants
Product: gcc
Version: 4.5.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: target
AssignedTo: unassi
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46224
Jonathan Wakely changed:
What|Removed |Added
Keywords||diagnostic
Severity|normal
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32469
Kai Tietz changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
CC|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46224
Summary: Enhancement: Issue warning when matching placement
delete operator is missing
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46217
--- Comment #2 from Richard Guenther 2010-10-29
13:03:07 UTC ---
Actually we rewrite it into SSA form where we have no way to convince the
operand scanner to preserve the volatileness. I guess whoever uses automatic
volatiles deserves to get sta
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46221
--- Comment #3 from Alan Modra 2010-10-29 13:01:34
UTC ---
I poked at this a little today. remove_unreachable_alias_pairs prunes the
alias_pair we need for some reason. I don't know my way around the cgraph code
well enough to figure out why..
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46216
Richard Guenther changed:
What|Removed |Added
Status|NEW |ASSIGNED
AssignedTo|unassigned
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46217
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46190
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46184
Richard Guenther changed:
What|Removed |Added
Status|NEW |ASSIGNED
AssignedTo|unassigned
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46183
Richard Guenther changed:
What|Removed |Added
Status|NEW |ASSIGNED
AssignedTo|unassigned
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46212
Eric Botcazou changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46223
Summary: gfortran.dg/bessel_7.f90 failures on
s390-ibm-linux-gnu
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46207
--- Comment #7 from Paolo Carlini 2010-10-29
11:09:25 UTC ---
So this is part of
http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2010/n3164.html
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46222
Summary: [4.6 Regression] ICE in grokdeclarator, at
cp/decl.c:9441
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46196
--- Comment #7 from janus at gcc dot gnu.org 2010-10-29 08:31:41 UTC ---
(In reply to comment #5)
> Meanwhile I am puzzled by the patch. My understanding of
> compare_type_rank and compare_type_rank_if is that these tests should be
> symmetric: tes
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46219
--- Comment #2 from Uros Bizjak 2010-10-29 08:17:17
UTC ---
For some reason, memory operand is prohibited in a sibcall, see predicates.md:
;; Test for a valid operand for a call instruction.
(define_predicate "call_insn_operand"
(ior (match_op
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46211
Dominique d'Humieres changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|
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