--- Additional Comments From phython at gcc dot gnu dot org 2004-11-11
04:03 ---
Another long round of testing shows only those two new pch failures on
sparc64-linux and no new failures on sparc32-linux.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18230
--- Additional Comments From schlie at comcast dot net 2004-11-11 04:33
---
Subject: Re: 3.4.3 ~6x+ performance regression vs.
3.3.1, constant trees not being computed.
As implied earlier, this problem may be related to (in my words) an overly
complicated and error prone processes of
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-11
04:41 ---
Actually what you said is not true for this testcase as you have int long and
not int int.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18424
--- Additional Comments From schlie at comcast dot net 2004-11-11 04:59
---
Subject: Re: 3.4.3 ~6x+ performance regression vs
3.3.1, constant trees not being computed.
From: pinskia at gcc dot gnu dot org [EMAIL PROTECTED]
--- Additional Comments From pinskia at gcc dot gnu
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-11
05:04 ---
int_val long_val == (long)(int_val) long_val by what I had quoted in the
other bug which you were
talking about this.
Also, that simplification comes from combine and knowning that ((int_val
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-11
05:13 ---
Fixed.
--
What|Removed |Added
Status|NEW |RESOLVED
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-11
05:17 ---
Fixed.
--
What|Removed |Added
Status|NEW |RESOLVED
--- Additional Comments From wilson at gcc dot gnu dot org 2004-11-11
05:19 ---
This looks like the same problem as 18294 which is an ia64-hpux bootstrap
failure. In that PR, I suggested that simplify_gen_subreg should just create
the subreg for a hard register when simplify_subreg
--- Additional Comments From wilson at gcc dot gnu dot org 2004-11-11
05:19 ---
This appears to be the same bug as 18420.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18294
--
What|Removed |Added
Target Milestone|--- |4.0.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15972
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-11
05:35 ---
We now accepts the code slightly.
--
What|Removed |Added
--
What|Removed |Added
Keywords|ice-on-valid-code |diagnostic, rejects-valid
Last reconfirmed|2004-06-13 18:02:19 |2004-11-11 05:37:37
I reduced the problem to a small, albeit nonsensical, test case:
#include vector
void foo() {
std::vectorchar * v;
while (1)
v.resize(1);
}
I'm compiling with -O3 -ftree-vectorize -march=pentium4 on gcc 4.0.0(20041110).
I think this is related to bug 18397, but since it's unconfirmed I
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-11
05:44 ---
Oh, I must have missed -ftree-vectorize in the command line for some reason
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18397
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-11
05:50 ---
Confirmed but not reduced (reducing it right now) but I have a fix, once I
reduce this I will submit the
fix for this.
--
What|Removed |Added
/*
x86 platform.
This simple program with the obvious breaking of strict aliasing
rules does not generate a warning with -Wstrict-aliasing
gcc -Wall -Wstrict-aliasing test.c
tested on Pentium 4
gcc 3.4.2, gcc 3.3.5 and gcc 3.2.3, as built for debian unstable
2004 Nov 9
*/
--
What|Removed |Added
Severity|minor |enhancement
Keywords||diagnostic
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-11
07:03 ---
Confirmed, reduced all the way down to:
char ** _M_allocate();
void
_M_fill_insert(unsigned int __n)
{
char **__new_start = _M_allocate();
char *__tmp = 0;
for (; __n 0; --__n, ++__new_start)
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-11
07:13 ---
PR 18425 has the reduced testcase, sorry I did not notice -ftree-vectorizer
earlier.
*** This bug has been marked as a duplicate of 18425 ***
--
What|Removed |Added
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-11
07:14 ---
*** Bug 18397 has been marked as a duplicate of this bug. ***
--
What|Removed |Added
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-11
07:21 ---
Patch posted here: http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00875.html
--
What|Removed |Added
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