--- Comment #21 from ebotcazou at gcc dot gnu dot org 2010-01-07 07:39
---
> Because at the point of propagation, propagated constant _is_ equal to
> whatever REG_EQUAL says. Removing this note at the point of propagation
> would IMO disable much more optimization opportunities.
What k
--- Comment #20 from ubizjak at gmail dot com 2010-01-07 07:29 ---
(In reply to comment #19)
> > Following patch changes the fix from PR21767 to remove REG_EQUAL notes from
> > all
> > moved instructions, not only from ones that have non-function-invariant
> > sources.
>
> This seems l
--- Comment #19 from ebotcazou at gcc dot gnu dot org 2010-01-07 00:00
---
> Following patch changes the fix from PR21767 to remove REG_EQUAL notes from
> all
> moved instructions, not only from ones that have non-function-invariant
> sources.
This seems like a tad aggressive. Why no
--- Comment #18 from ubizjak at gmail dot com 2010-01-06 23:16 ---
Following patch changes the fix from PR21767 to remove REG_EQUAL notes from all
moved instructions, not only from ones that have non-function-invariant
sources.
--cut here--
Index: ifcvt.c
===
--- Comment #17 from ubizjak at gmail dot com 2010-01-06 18:14 ---
This bug is similar (or even a duplicate of) PR21767. ifcvt.c has a fixup code
for cases like this, grep ifcvt.c for:
/* PR 21767: When moving insns above a conditional branch, REG_EQUAL
notes might become
Accepted:
cpp-4.5_4.5-20100103-1_hppa.deb
to main/g/gcc-4.5/cpp-4.5_4.5-20100103-1_hppa.deb
fixincludes_4.5-20100103-1_hppa.deb
to main/g/gcc-4.5/fixincludes_4.5-20100103-1_hppa.deb
g++-4.5_4.5-20100103-1_hppa.deb
to main/g/gcc-4.5/g++-4.5_4.5-20100103-1_hppa.deb
gcc-4.5-base_4.5-20100103-
--
paolo dot carlini at oracle dot com changed:
What|Removed |Added
CC||paolo dot carlini at oracle
|
--- Comment #7 from paolo dot carlini at oracle dot com 2010-01-06 16:39
---
Ok, thanks. Can you summarize the present status, then? Outstanding issues,
maybe more patchlets... ;)
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Accepted:
cpp_4.4.2-3_i386.deb
to main/g/gcc-defaults/cpp_4.4.2-3_i386.deb
g++-multilib_4.4.2-3_i386.deb
to main/g/gcc-defaults/g++-multilib_4.4.2-3_i386.deb
g++_4.4.2-3_i386.deb
to main/g/gcc-defaults/g++_4.4.2-3_i386.deb
gcc-defaults_1.92.dsc
to main/g/gcc-defaults/gcc-defaults_1.92.ds
gcc-defaults_1.92_i386.changes uploaded successfully to localhost
along with the files:
gcc-defaults_1.92.dsc
gcc-defaults_1.92.tar.gz
libgcj-common_4.4.2-3_all.deb
cpp_4.4.2-3_i386.deb
gcc_4.4.2-3_i386.deb
gcc-multilib_4.4.2-3_i386.deb
gdc_4.1.2-42_i386.deb
g++_4.4.2-3_i386.deb
g
--- Comment #16 from ubizjak at gmail dot com 2010-01-06 15:17 ---
The problem turns out to be quite complex interaction between cse1, cprop3 and
cse2 pass.
Let's start with this RTL dump for from:
tree-ssa-loop-im.i.148r.subreg1
;; Function determine_max_movement (determine_max_movem
--
hjl dot tools at gmail dot com changed:
What|Removed |Added
Target Milestone|--- |4.3.6
Version|4.5.0 |4.3.5
http://
--- Comment #16 from hjl dot tools at gmail dot com 2010-01-06 14:59
---
(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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--- Comment #2 from burnus at gcc dot gnu dot org 2010-01-06 14:16 ---
I think a description does not belong into "man gfortran" (invoke.texi), but
maybe into the general text of gfortran.texi.
I think .mod files are not obvious; the standard does not say anything about
them, though (al
Hi,
Sorry, I was late in checking your email.
2010/1/6 Arthur Loiret :
>> Triplet of m4-nofpu is sh4_nofpu-linux-gnu.
>> What should I set in src/gcc/multiarch.h?
>
> Something like:
>
> # if defined(__sh4-linux-gnu__)
> { "m4", "sh4-linux-gnu" },
> { "m4-nofpu", "sh4_nofpu-linux-gnu" },
> # en
Hi, again.
2010/1/6 Nobuhiro Iwamatsu :
> Hi,
>
> Thank you for comments.
>
> 2010/1/6 Arthur Loiret :
>> The mapping is missing in gcc/multiarch.h (see
>> debian/patches/gcc-multiarch.inc). What is the corresponding GNU
>> triplet to m4-nofpu (it seems to be sh4-linux-gnu for m4)?
>>
>
> Triplet
--- Comment #5 from paolo dot carlini at oracle dot com 2010-01-06 11:41
---
Done both.
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rguenth at gcc dot gnu dot org changed:
What|Removed |Added
Component|bootstrap |rtl-optimization
Keywords||buil
--- Comment #15 from ubizjak at gmail dot com 2010-01-06 10:45 ---
Created an attachment (id=19483)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19483&action=view)
preprocessed source
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--- Comment #14 from ubizjak at gmail dot com 2010-01-06 10:43 ---
This bug can be now reproduced with a crosscompiler to alpha-linux-gnu with
soon to be attached preprocessed source of tree-ssa-loop-im.i (please note
noinline attributes at determine_max_movement and add_dependency).
Th
--- Comment #3 from jwakely dot gcc at gmail dot com 2010-01-06 10:42
---
The linker error alone doesn't make the root cause obvious, but it's a fairly
well known and well documented problem:
http://www.parashift.com/c++-faq-lite/strange-inheritance.html#faq-23.10
--
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> Triplet of m4-nofpu is sh4_nofpu-linux-gnu.
> What should I set in src/gcc/multiarch.h?
Something like:
# if defined(__sh4-linux-gnu__)
{ "m4", "sh4-linux-gnu" },
{ "m4-nofpu", "sh4_nofpu-linux-gnu" },
# endif
And then, if it builds, can you paste the include paths and library
paths for both
--- Comment #15 from sezeroz at gmail dot com 2010-01-06 08:55 ---
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?
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sezeroz at gmail dot com changed:
What|Removed |Added
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