--- Comment #6 from hjl dot tools at gmail dot com 2010-05-21 21:16 ---
(In reply to comment #5)
Still an issue, e.g. on Solaris 11.
You can try my patches from 2007 to see if they
work for you.
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--- Comment #3 from hjl dot tools at gmail dot com 2010-05-21 01:53 ---
*** This bug has been marked as a duplicate of 32064 ***
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--- Comment #4 from hjl dot tools at gmail dot com 2010-05-21 01:53 ---
*** Bug 28242 has been marked as a duplicate of this bug. ***
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Target Milestone|--- |4.5.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42634
--- Comment #28 from hjl dot tools at gmail dot com 2010-01-17 19:00
---
Fixed.
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--- Comment #5 from hjl dot tools at gmail dot com 2010-01-17 19:57 ---
Is this related to PR 39954?
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--- Comment #3 from hjl dot tools at gmail dot com 2010-01-13 15:07 ---
It is caused by revision 155347:
http://gcc.gnu.org/ml/gcc-cvs/2009-12/msg00491.html
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--- Comment #6 from hjl dot tools at gmail dot com 2010-01-13 17:43 ---
This is caused by revision 155347:
http://gcc.gnu.org/ml/gcc-cvs/2009-12/msg00491.html
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--- Comment #4 from hjl dot tools at gmail dot com 2010-01-13 17:44 ---
*** This bug has been marked as a duplicate of 42701 ***
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--- Comment #7 from hjl dot tools at gmail dot com 2010-01-13 17:44 ---
*** Bug 42725 has been marked as a duplicate of this bug. ***
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--- Comment #2 from hjl dot tools at gmail dot com 2010-01-13 17:47 ---
I think this is a dup for PR 42701.
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--- Comment #2 from hjl dot tools at gmail dot com 2010-01-12 23:34 ---
This is caused by revision 151917:
http://gcc.gnu.org/ml/gcc-cvs/2009-09/msg00665.html
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--- Comment #2 from hjl dot tools at gmail dot com 2010-01-13 05:17 ---
It is caused by revision 145440:
http://gcc.gnu.org/ml/gcc-cvs/2009-04/msg00060.html
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Known to fail||4.5.0
Known to work||4.4.2
--- Comment #23 from hjl dot tools at gmail dot com 2010-01-12 00:41
---
(In reply to comment #22)
I am looking at this on IA64 and fixing it for V2SI seems simple enough.
I will attach a patch. But I am not sure what to do for V4HI and V8QI.
The current code uses an 'unsigned
--- Comment #2 from hjl dot tools at gmail dot com 2010-01-09 16:23 ---
libiberty/testsuite/demangle-expected has
---
--format=gnu-v3 --no-params
_GLOBAL__I__Z2fnv
global constructors keyed to _Z2fnv
global constructors keyed to _Z2fnv
---
Shouldn't it be
global constructors keyed
--- Comment #19 from hjl dot tools at gmail dot com 2010-01-07 20:00
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Fixed.
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--- Comment #16 from hjl dot tools at gmail dot com 2010-01-06 14:59
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(In reply to comment #15)
Can we expect a 4.4 backport for this, at least in the ix86/4.4 branch if not
in the main 4.4 branch?
It will be backported to 4.3/4.4 in a few days.
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Version|4.5.0 |4.3.5
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--- Comment #3 from hjl dot tools at gmail dot com 2010-01-04 18:10 ---
It is caused by revision 144914:
http://gcc.gnu.org/ml/gcc-cvs/2009-03/msg00421.html
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--- Comment #6 from hjl dot tools at gmail dot com 2010-01-04 18:26 ---
Gcc 3.4 gave:
r42611.c: In function `foo':
pr42611.c:6: error: size of variable 's' is too large
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--- Comment #11 from hjl dot tools at gmail dot com 2009-12-30 15:50
---
A patch is posted at
http://gcc.gnu.org/ml/gcc-patches/2009-12/msg01208.html
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Summary|Vectorizer produces |Vectorizer produces
|incorrect results on max
--- Comment #2 from hjl dot tools at gmail dot com 2009-12-29 17:23 ---
A simple testcase:
[...@gnu-26 rrs]$ cat pr42538.i
void Saisie()[3]{
}
[...@gnu-26 rrs]$ ./143523/usr/bin/gcc -S pr42538.i
pr42538.i:1: error: declaration of Saisie as array of voids
pr42538.i:1: internal
--- Comment #1 from hjl dot tools at gmail dot com 2009-12-29 19:41 ---
With -Wall, icc 11.1 complains:
pr42542.cc(10): remark #981: operands are evaluated in unspecified order
return (a b) ? b : a;
^
detected during instantiation of _Tp std
--- Comment #2 from hjl dot tools at gmail dot com 2009-12-29 19:44 ---
Add -ftree-vectorize will cause it to fail.
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--- Comment #3 from hjl dot tools at gmail dot com 2009-12-29 19:45 ---
It could be a target issue.
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--- Comment #4 from hjl dot tools at gmail dot com 2009-12-29 19:51 ---
There are no unsigned integer vector compare insns on x86.
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--- Comment #6 from hjl dot tools at gmail dot com 2009-12-29 20:52 ---
The bug may be in umaxv4si3 pattern.
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--- Comment #7 from hjl dot tools at gmail dot com 2009-12-29 21:40 ---
Here is a testcase in C:
[...@gnu-6 tmp]$ cat y.c
unsigned int foo[] __attribute__ ((aligned(16))) =
{
0x8000, 1, 0xa000, 2,
3, 0xd000, 0xf000, 0xe000
};
unsigned int bar[] __attribute__
--- Comment #8 from hjl dot tools at gmail dot com 2009-12-29 23:50 ---
Created an attachment (id=19420)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19420action=view)
A patch
I don't see how we can easily check unsigned underflow in vector
integer subtraction. This patch simply
--- Comment #9 from hjl dot tools at gmail dot com 2009-12-30 04:47 ---
Hi Richard, the code in question is added by
http://gcc.gnu.org/ml/gcc-patches/2005-06/msg02185.html
I don't quite understand how it can properly handle unsigned V4SI
underflow in V4SI vector subtraction
--- Comment #10 from hjl dot tools at gmail dot com 2009-12-30 04:49
---
Created an attachment (id=19422)
-- (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19422action=view)
An updated patch
I am testing this patch now.
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--- Comment #7 from hjl dot tools at gmail dot com 2009-01-05 22:51 ---
(In reply to comment #5)
There is padding between adjustedPtr and unwindHeader because the latter is
forced to be maximally aligned. Due to the additional member the padding was
reduced. Also, the alignment
--- Comment #8 from hjl dot tools at gmail dot com 2009-01-05 22:53 ---
There are
i386/i386.h:#define BIGGEST_ALIGNMENT (TARGET_AVX ? 256: 128)
m68k/m68k.h:#define BIGGEST_ALIGNMENT (TARGET_ALIGN_INT ? 32 : 16)
mcore/mcore.h:#define BIGGEST_ALIGNMENT (TARGET_8ALIGN ? 64 : 32)
sh/sh.h
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--- Comment #11 from hjl dot tools at gmail dot com 2009-01-05 23:08
---
(In reply to comment #7)
(In reply to comment #5)
There is padding between adjustedPtr and unwindHeader because the latter is
forced to be maximally aligned. Due to the additional member the padding
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