On Wed, Aug 1, 2012 at 9:21 PM, Marc Glisse marc.gli...@inria.fr wrote:
Hello,
an opinion on this?
(I just noticed: I'll update the list in the comment visible at the top of
the patch if this gets in).
It looks ok to me but I am no floating-point expert. Can you add a testcase?
Ok with
On Tue, Jul 31, 2012 at 3:47 PM, Tobias Burnus bur...@net-b.de wrote:
On 07/29/2012 11:24 AM, Thomas Koenig wrote:
here is an updated patch for PR 54033, this time with test cases.
Thanks to Janis for pointing me in the right direction with these.
Regression-tested. OK for trunk?
Ok.
On Thu, 2 Aug 2012, Tom de Vries wrote:
On 01/08/12 10:47, Richard Guenther wrote:
* tree-ssa-tail-merge.c (release_last_vdef): Remove.
(replace_block_by): Adjust.
(tail_merge_optimize): Use mark_virtual_operands_for_renaming.
Richard,
this caused PR50672 to trigger again
On Thu, Aug 2, 2012 at 12:19 PM, Paulo J. Matos pa...@matos-sorge.com wrote:
Forgot to mention: this is to fix PR 54154.
Updated changelog:
2012-08-02 Paulo Matos paulo.ma...@csr.com
PR middle-end/54154
* regcprop.c (copy_value): remove check for redundant moves.
*
On Thu, Aug 2, 2012 at 1:42 PM, Marc Glisse marc.gli...@inria.fr wrote:
Hello,
this patch allows p-~T() when T is (after substitution) a vector, which is
necessary for use in std::vector for instance.
Why not include VECTOR_TYPE in ARITHMETIC_TYPE_P?
gcc/cp/ChangeLog
2012-08-02 Marc
On Thu, Aug 2, 2012 at 2:48 PM, Marc Glisse marc.gli...@inria.fr wrote:
On Thu, 2 Aug 2012, Richard Guenther wrote:
On Wed, Aug 1, 2012 at 9:21 PM, Marc Glisse marc.gli...@inria.fr wrote:
Hello,
an opinion on this?
(I just noticed: I'll update the list in the comment visible at the top
This removes some of the redundant hash lookups for the decl aux info.
Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.
Richard.
2012-08-02 Richard Guenther rguent...@suse.de
* tree-into-ssa.c (struct common_info_d): New struct.
(struct var_info_d, struct
On Wed, Aug 1, 2012 at 9:25 AM, Konstantin Vladimirov
konstantin.vladimi...@gmail.com wrote:
Hi,
Working on private backend. Need to add some knobs to tune inlining.
Code (with name of backend substituted to my):
in my.c file:
#undef TARGET_OPTION_DEFAULT_PARAMS
#define
On Tue, 31 Jul 2012, Richard Henderson wrote:
On 2012-07-31 02:09, Richard Guenther wrote:
What do we expect __builtin_compare_exchange to do for
unaligned inputs?
At the moment we expect it to SIGBUS, as a rule.
We'd *like* to defer to the library routine for unaligned,
but we don't
This cleans up the way we rename all virtual operands throughout the
compiler by simply providing an abstraction for that.
mark_sym_for_renaming is gone then.
Bootstrapped and tested on x86_64-unknown-linux-gnu.
I will apply 6/n and 7/n later today.
Richard.
2012-08-01 Richard Guenther
On Fri, Dec 2, 2011 at 8:28 PM, Jakub Jelinek ja...@redhat.com wrote:
On Fri, Dec 02, 2011 at 02:27:40PM +0100, Richard Guenther wrote:
This change seems wrong. We are turning valid gimple
# DEBUG D#2 = transfer.0 [with addres taken]
into invalid one
# DEBUG D#2 = transfer.0 [without
capability uid - decl.
This was the last user of referenced_var ().
Bootstrapped and tested on x86_64-unknown-linux-gnu.
Richard.
2012-08-01 Richard Guenther rguent...@suse.de
* tree-flow-inline.h (referenced_var): Remove.
* tree-ssa-coalesce.c (create_outofssa_var_map): Remove
Committed as obvious.
Richard.
2012-08-01 Richard Guenther rguent...@suse.de
* tree-ssa.texi: Remove pieces mentioning mark_sym_for_renaming.
Index: gcc/doc/tree-ssa.texi
===
--- gcc/doc/tree-ssa.texi (revision
-08-01 Richard Guenther rguent...@suse.de
* tree-dfa.c (referenced_var_lookup): Remove.
* tree-flow.h (referenced_var_lookup): Likewise.
* cfgexpand.c (update_alias_info_with_stack_vars): Remove assert.
* gimple-pretty-print.c (pp_points_to_solution): Dump UIDs
This removes the referenced vars machinery (stubbing out
add_referenced_vars and gimple_referenced_vars - a patch fixing
all callers will be 2c/2).
Bootstrap and regtest pending on x86_64-unknown-linux-gnu.
Richard.
2012-08-01 Richard Guenther rguent...@suse.de
* tree-flow.h (struct
On Sun, Jul 22, 2012 at 5:19 PM, William J. Schmidt
wschm...@linux.vnet.ibm.com wrote:
Ping...
On Thu, 2012-06-28 at 16:45 -0500, William J. Schmidt wrote:
Here's a relatively small piece of strength reduction that solves that
pesky addressing bug that got me looking at this in the first
On Sat, Jul 21, 2012 at 3:57 PM, Tom de Vries tom_devr...@mentor.com wrote:
Jakub,
this patch adds propagation of anti-ranges to switches.
The test-case is this:
...
void
f3 (int s)
{
if (s 3 == -2)
/* s in range [ -16, -9]. */
;
else
{
/* s in range ~[-16,
On Wed, Aug 1, 2012 at 2:37 PM, Tobias Burnus bur...@net-b.de wrote:
On 08/01/2012 01:37 PM, Mikael Morin wrote:
However, I found another spot where one needs to have a scalarizer;
possibly a poor man's version is enough. Namely INTENT(OUT) handling.
Indeed.
Do you have an idea how to best
On Wed, Aug 1, 2012 at 4:05 PM, Michael Matz m...@suse.de wrote:
Hi,
this tidies ssa liveness calculation a bit (related to out-of-ssa). In
particular it doesn't make use of var annotations to compress the index
space from partitions to base variable indices anymore, but instead a
hashmap
On Wed, Aug 1, 2012 at 4:09 PM, Michael Matz m...@suse.de wrote:
Hi,
this removes the last member of var_ann_d, a bit used only locally in
remove_unused_locals, so we can as well just use a bitmap. (The funny
renaming of the member I had to do because gengtype doesn't like empty
structs,
On Wed, Aug 1, 2012 at 4:13 PM, Michael Matz m...@suse.de wrote:
Hi,
On Wed, 1 Aug 2012, Michael Matz wrote:
The only remaining semantic of var_ann now is if it's non-zero it's a
non-global variable that was put into referenced_vars.
And that's removed in this patch. Most of the time it's
On Wed, Aug 1, 2012 at 5:28 PM, Michael Matz m...@suse.de wrote:
Hi,
On Wed, 1 Aug 2012, Richard Guenther wrote:
Ok. Would be nice to now unify global and local var handling with a
single bitmap.
Yeah, wanted to do that as follow-up. Namely like so. Regstrapping on
x86_64-linux
On Wed, 1 Aug 2012, Richard Henderson wrote:
On 08/01/2012 01:40 AM, Richard Guenther wrote:
I see. So your issue is that you don't get the knowledge
that the address is even more aligned than required by the
builtin.
Yes. Very helpful for quite a few targets that only have word-sized
On Wed, 1 Aug 2012, Richard Guenther wrote:
This series aims at removing referenced vars. It builds on the into-SSA
TLC series and the still to be posted removal of var-anns.
This first patch removes SRAs use of referenced vars. Instead of
turning it upside-down the following simply
On Mon, Jul 30, 2012 at 5:29 PM, Paulo J. Matos pa...@matos-sorge.com wrote:
On 26/07/12 15:04, Joseph S. Myers wrote:
On Thu, 26 Jul 2012, Paulo J. Matos wrote:
My target has 16bit chars.
As I explained before, support for such targets is extremely limited and
bitrotten (this applies
)))
+ LOOP_VINFO_OPERANDS_SWAPPED (loop_info) = true;
}
else
{
--
Richard Guenther rguent...@suse.de
SUSE / SUSE Labs
SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746
GF: Jeff Hawn, Jennifer Guild, Felix Imend
/config/s390/s390.md | 401
+
3 files changed, 465 insertions(+), 209 deletions(-)
--
Richard Guenther rguent...@suse.de
SUSE / SUSE Labs
SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746
GF: Jeff Hawn, Jennifer Guild, Felix Imend
On Tue, Jul 31, 2012 at 5:17 AM, Dehao Chen de...@google.com wrote:
Hi,
This patch fixed the problem when a LOOP_EXIT edge for the inner loop
happened to target at the LOOP_LATCH of the outer loop. As the outer
loop is processed first, the LOOP_BRANCH heuristic is honored
(first_match), thus
On Tue, Jul 31, 2012 at 12:13 PM, Steven Bosscher stevenb@gmail.com wrote:
Hello,
For me, the slim RTL dumps are much easier to read than the default
lisp-like representation. I use the -dAP option frequently, to see
where an assembly instruction came from. This patch scratches an itch:
, PRED_LOOP_ITERATIONS_GUESSED)
On Tue, Jul 31, 2012 at 5:18 PM, Richard Guenther
richard.guent...@gmail.com wrote:
On Tue, Jul 31, 2012 at 5:17 AM, Dehao Chen de...@google.com wrote:
Hi,
This patch fixed the problem when a LOOP_EXIT edge for the inner loop
happened to target at the LOOP_LATCH of the outer loop
On Tue, Jul 31, 2012 at 12:38 PM, Jan Hubicka hubi...@ucw.cz wrote:
On Tue, Jul 31, 2012 at 12:20 PM, Dehao Chen de...@google.com wrote:
Are you suggesting a patch like this:
Index: gcc/predict.c
===
--- gcc/predict.c
On Tue, Jul 31, 2012 at 12:43 PM, Richard Guenther
richard.guent...@gmail.com wrote:
On Tue, Jul 31, 2012 at 12:38 PM, Jan Hubicka hubi...@ucw.cz wrote:
On Tue, Jul 31, 2012 at 12:20 PM, Dehao Chen de...@google.com wrote:
Are you suggesting a patch like this:
Index: gcc/predict.c
removed in matrix-reorg.c reminds me of removing that
useless beast ...
Thanks,
Richard.
2012-07-31 Richard Guenther rguent...@suse.de
* tree-flow.h (struct gimple_df): Remove syms_to_rename member,
add ssa_renaming_needed and rename_vops flags.
(SYMS_TO_RENAME): Remove
On Mon, 30 Jul 2012, Michael Matz wrote:
Hi,
On Mon, 30 Jul 2012, Richard Guenther wrote:
This makes into-SSA no longer rely on variable annotations and instead
uses on-the-side information local to into/update-SSA. Lookups can
probably be avoided in some places if we pass around
On Sun, Jul 29, 2012 at 7:33 PM, Gary Funck g...@intrepid.com wrote:
I have been experimenting with the graphite optimizer, based on GCC trunk, and
cloog-isl. I started with the attached simple C program, which has this
basic structure.
#define N 2
int a[N][N], b[N], c[N];
[...]
On Fri, Jul 27, 2012 at 5:24 PM, Ulrich Weigand uweig...@de.ibm.com wrote:
Richard Guenther wrote:
On Mon, Jun 11, 2012 at 5:25 PM, Richard Earnshaw rearn...@arm.com wrote:
On 11/06/12 15:53, Richard Guenther wrote:
The type argument or the size argument looks redundant.
Technically, yes
On Fri, 27 Jul 2012, Richard Guenther wrote:
This avoids triggering update-ssa right after into-ssa just because
we didn't rename virtual operands yet. Simply do that on-the-fly,
update_stmt will have added bare symbols as operands already.
Surprisingly simple ... no idea why I chose
-unknown-linux-gnu, queued for now.
The remaining var-ann users are remove_unused_locals (the used flag)
and cfgexpands out-of-SSA.
Richard.
2012-07-30 Richard Guenther rguent...@suse.de
* tree-flow.h (struct var_ann_d): Remove need_phi_state
and current_def members.
* tree
On Mon, Jul 30, 2012 at 4:43 PM, Peter Bergner berg...@vnet.ibm.com wrote:
On Fri, 27 Jul 2012 15:40:35 +0200 Richard Guenther
richard.guent...@gmail.com wrote:
Also it looks less efficient than sbitmap in the case when
your main operation is adding to the set and querying the set randomly
On Mon, Jul 30, 2012 at 5:14 PM, Richard Guenther
richard.guent...@gmail.com wrote:
On Mon, Jul 30, 2012 at 5:05 PM, Steven Bosscher stevenb@gmail.com
wrote:
On Mon, Jul 30, 2012 at 4:53 PM, Richard Guenther
richard.guent...@gmail.com wrote:
No, but less space efficient and of comparable
On Mon, Jul 30, 2012 at 5:05 PM, Steven Bosscher stevenb@gmail.com wrote:
On Mon, Jul 30, 2012 at 4:53 PM, Richard Guenther
richard.guent...@gmail.com wrote:
No, but less space efficient and of comparable speed as sbitmap which
is also O(1).
But iterating an sbitmap has worse complexity
On Thu, Jul 26, 2012 at 11:58 PM, Richard Henderson r...@redhat.com wrote:
On 07/26/2012 02:41 PM, Richard Henderson wrote:
This is a patch...
... that I should have attached. Bah.
Do we need to mark the labels so we preserve them? Consider
goto foo;
foo:
bar __attribute__((cold)):
...
On Fri, Jul 27, 2012 at 11:08 AM, Steven Bosscher stevenb@gmail.com wrote:
On Fri, Jul 27, 2012 at 10:57 AM, Richard Guenther
richard.guent...@gmail.com wrote:
On Thu, Jul 26, 2012 at 11:58 PM, Richard Henderson r...@redhat.com wrote:
On 07/26/2012 02:41 PM, Richard Henderson wrote
On Fri, Jul 27, 2012 at 11:40 AM, Steven Bosscher stevenb@gmail.com wrote:
On Fri, Jul 27, 2012 at 11:15 AM, Richard Guenther
richard.guent...@gmail.com wrote:
Right. I don't like the use of this attribute on labels at all, for
the reasons you list here. I think it would be much cleaner
mapping
(referenced-vars) in into-SSA (which is the major blocker for
getting rid of that mapping alltogether).
Bootstrap and regtest pending on x86_64-unknown-linux-gnu.
Richard.
2012-07-27 Richard Guenther rguent...@suse.de
* tree-into-ssa.c (def_blocks_p): New typedef
issue, very many virtual operands
vanished with the merge of alias-improvements.
Bootstrapped on x86_64-unknown-linux-gnu, testing in progress.
Richard.
2012-07-27 Richard Guenther rguent...@suse.de
* doc/invoke.texi (min-virtual-mappings, virtual-mappings-ratio):
Remove param
On Fri, Jul 27, 2012 at 1:44 PM, Marek Polacek pola...@redhat.com wrote:
On Wed, Jul 25, 2012 at 01:43:59PM +0200, Richard Guenther wrote:
On Tue, Jul 24, 2012 at 9:27 PM, Marek Polacek pola...@redhat.com wrote:
Ping.
Ok.
Sorry, can't commit myself. Thanks,
Committed.
Richard
puts the bitmap into that SSA name
auxiliar vector. Lifetime is managed by using a separate obstack
and the aux vector age.
Bootstrap and regtest pending on x86_64-unknown-linux-gnu.
Richard.
2012-07-27 Richard Guenther rguent...@suse.de
* tree-cfg.c (gimple_can_merge_blocks_p): Do
(originally the first 'alias' pass
enabled virtual operands).
Btw, we still have no virtual operands at -O0, it would now become
a tiny bit cheaper to add them (just to remove some !optimize checks).
Bootstrap and regtest pending on x86_64-unknown-linux-gnu.
Richard.
2012-07-27 Richard Guenther
On Fri, Jul 27, 2012 at 2:59 PM, Laurynas Biveinis
laurynas.bivei...@gmail.com wrote:
This is a slightly expanded version of the patch in [1]. The main difference
is that I expanded gengtype diagnostics to error on GTY length option applied
to strings too, in addition to other arrays of
On Thu, Jul 26, 2012 at 11:57 AM, Steven Bosscher stevenb@gmail.com wrote:
On Thu, Jul 26, 2012 at 11:23 AM, Richard Guenther
richard.guent...@gmail.com wrote:
Ok! Thanks for adding this exhaustive documentation.
There's more to come! I want to add some explanations to ebitmap,
pointer
On Wed, Jul 25, 2012 at 8:25 PM, David Brown david.br...@hesbynett.no wrote:
On 25/07/12 17:30, Richard Guenther wrote:
On Wed, Jul 25, 2012 at 4:07 PM, Selvaraj, Senthil_Kumar
senthil_kumar.selva...@atmel.com wrote:
Declaring a function with __attribute__((optimize(O0)) turns off
inlining
On Thu, Jul 26, 2012 at 1:21 PM, David Brown da...@westcontrol.com wrote:
On 26/07/2012 11:12, Richard Guenther wrote:
On Wed, Jul 25, 2012 at 8:25 PM, David Brown david.br...@hesbynett.no
wrote:
On 25/07/12 17:30, Richard Guenther wrote:
On Wed, Jul 25, 2012 at 4:07 PM, Selvaraj
On Thu, Jul 26, 2012 at 2:11 PM, Paulo J. Matos pa...@matos-sorge.com wrote:
Hi,
My target has 16bit chars.
What I am seeing is that in a memset call, the call is not inlined by GCC
whenever fill value is bigger than host char.
This seems to be due to the code (GCC 4.6.5) in
On Thu, Jul 26, 2012 at 2:32 PM, Paulo J. Matos pa...@matos-sorge.com wrote:
On 26/07/12 13:27, Richard Guenther wrote:
Why would the fill value in a memset call be required to fit in a host
char?
Obviously because of the implementation detail of its caller.
Richard.
Richard, I am
On Thu, Jul 26, 2012 at 11:16 AM, Steven Bosscher stevenb@gmail.com wrote:
Hello,
Add some explanations because I see a lot of places where the choice
of data structure is less than optimal.
Also some functional changes: sbitmap with popcounts are only used in
ebitmap, and they penalize
This fixes PR54098 - if the original range was UNDEFINED simply
use the update and iterate once more.
Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.
Richard.
2012-07-26 Richard Guenther rguent...@suse.de
PR tree-optimization/54098
* tree-vrp.c
On Wed, Jul 25, 2012 at 2:23 PM, Allan Sandfeld Jensen
carew...@gmail.com wrote:
Hi,
I have been experimenting with marking specific functions to be auto-
vectorized in GCC, but have had problems getting it to work.
It seems the optimize attribute works sometimes, but only if the function it
On Wed, Jul 25, 2012 at 4:07 PM, Selvaraj, Senthil_Kumar
senthil_kumar.selva...@atmel.com wrote:
Declaring a function with __attribute__((optimize(O0)) turns off inlining
for the translation unit (atleast) containing the function (see output at the
end). Is this expected behavior?
Not
On Wed, Jul 25, 2012 at 4:25 PM, Allan Sandfeld Jensen
carew...@gmail.com wrote:
On Wednesday 25 July 2012, Richard Guenther wrote:
On Wed, Jul 25, 2012 at 2:23 PM, Allan Sandfeld Jensen
carew...@gmail.com wrote:
Hi,
I have been experimenting with marking specific functions to be auto
On Tue, Jul 24, 2012 at 5:50 PM, Andrew Pinski
andrew.pin...@caviumnetworks.com wrote:
Hi,
Before tuples was introduced, VN used to lookup the simplified
expression to see if it was available already and use that instead of
the non simplified one. This patch adds the support back to VN to
On Tue, Jul 24, 2012 at 9:27 PM, Marek Polacek pola...@redhat.com wrote:
Ping.
Ok.
Thanks,
Richard.
On Fri, Jul 13, 2012 at 02:00:54PM +0200, Marek Polacek wrote:
I think the comment at the start of the file is wrong, since
it speaks about varpool_finalize_variable, but there's no such
On Tue, Jul 24, 2012 at 9:32 PM, Uros Bizjak ubiz...@gmail.com wrote:
Hello!
Attached patch backports recent LEA improvements to 4.7 branch.
As in regression fixes, or wrong-code fixes? This looks suspiciously not
appropriate for 4.7 ...
Richard.
The
patch unifies handling of LEA
On Tue, Jul 24, 2012 at 7:13 PM, Steven Bosscher stevenb@gmail.com wrote:
AFAIR the qsort is just for getting a stable ordering over two pools to find
the leaked regsets afterwards, the type of ordering doesn't matter.
What matters is that the compare function gives a reliable result. You
On Wed, Jul 25, 2012 at 12:21 PM, Marc Glisse marc.gli...@inria.fr wrote:
Hello,
here is a slight improvement to VRP for sum and difference of intervals.
There are some things I left because I didn't understand them enough:
* range_int_cst_p (vr0): I thought it was always true by that time,
On Wed, Jul 25, 2012 at 1:59 PM, Steven Bosscher stevenb@gmail.com wrote:
On Wed, Jul 25, 2012 at 1:49 PM, Richard Guenther
richard.guent...@gmail.com wrote:
Oh, bigger bitmap_head? That's bad ... :/ So much for '#ifdefs are bad' :/
Bigger bitmap_head isn't a problem. A bigger
On Mon, Jul 23, 2012 at 7:01 PM, Steven Bosscher stevenb@gmail.com wrote:
Hello,
This large patch makes GATHER_STATISTICS always take a value, 0
(disabled) or 1 (enabled), and turns all related #ifdef code into
conditional branches.
This slightly increases the data section of cc1, but
On Mon, Jul 23, 2012 at 10:58 PM, Marc Glisse marc.gli...@inria.fr wrote:
On Wed, 20 Jun 2012, Richard Guenther wrote:
On Sun, Jun 10, 2012 at 4:16 PM, Marc Glisse marc.gli...@inria.fr wrote:
Hello,
currently, tree-ssa-ifcombine handles pairs of imbricated ifs that
share
the same
On Tue, Jul 24, 2012 at 10:25 AM, Marc Glisse marc.gli...@inria.fr wrote:
On Mon, 23 Jul 2012, Andrew Pinski wrote:
This patch improves ifcombine by doing two things. First tries to see
if the then and else are swapped and handles that case.
Just a few hours after I posted:
On Tue, Jul 24, 2012 at 11:31 AM, Laurynas Biveinis
laurynas.bivei...@gmail.com wrote:
For scalar fields or skipped fields, gengtype produces empty loops.
This patch checks for that case and breaks out if an empty loop body
is detected:
Bootstrappedtested on powerpc64-unknown-linux-gnu. OK?
On Sun, Jul 22, 2012 at 12:40 AM, Steven Bosscher stevenb@gmail.com wrote:
Hello,
This patch cleans up some interesting things in GCC's profiling
support. The most significant changes are the removal of
BB_TO_GCOV_INDEX and after_tree_profile. Another visible cleanup is
that
On Sun, Jul 22, 2012 at 4:34 PM, Steven Bosscher stevenb@gmail.com wrote:
Hello,
While reading up on how gcov/profiling works, I noticed that there are
a lot of places where the notes file is still referred to as the
basic block graph file. Also, the gcov manual has not been updated
for
On Mon, Jul 23, 2012 at 1:23 AM, Steven Bosscher stevenb@gmail.com wrote:
Hello,
This patch fixes PR53881 by making group_case_labels_stmt look at the
CFG instead of relying on label equality.
Bootstrappedtested on powerpc64-unknown-linux-gnu. OK?
Ok.
Thanks,
Richard.
Ciao!
Steven
Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.
Richard.
2012-07-23 Richard Guenther rguent...@suse.de
* tree-ssa-alias.c (dump_alias_info): Walk over local decls
instead of referenced vars.
Index: gcc/tree-ssa-alias.c
Richard Guenther rguent...@suse.de
PR tree-optimization/53616
* tree-loop-distribution.c (ldist_gen): Do not change
partition ordering when merging partitions.
Index: gcc/tree-loop-distribution.c
===
*** gcc
On Mon, Jul 23, 2012 at 3:59 PM, Steven Bosscher stevenb@gmail.com wrote:
Hello,
$SUBJECT because it makes sbitmap.c independent of basic-block.h -- as
it should be, given that sbitmap is just a very simple bitmap
datatype.
Bootstrapped (profiledbootstrapped, actually) and tested on
On Thu, 19 Jul 2012, Markus Trippelsdorf wrote:
On 2012.07.17 at 15:10 +0200, Richard Guenther wrote:
Comments welcome, of course.
This patch apparently miscompiles the Linux kernel, which just
hangs during early boot:
...
SLUB: Genslabs=15, HWalign=64, Order=0-3, MinObjects=0, CPUs=4
On Thu, Jul 19, 2012 at 6:53 PM, Jakub Jelinek ja...@redhat.com wrote:
Hi!
On the following testcase we emit various (correct) -Wnonnull warnings
more than once, sometimes many times. The problem on the reported memcpy
testcase is that glibc uses __attribute__((nonnull (1, 2))) and gcc
uses
On Thu, Jul 19, 2012 at 8:24 PM, Richard Henderson r...@redhat.com wrote:
While adding multiple new optabs over the past week or three, it
occurred to me that (1) there are lots of places to update all in
sync and (2) the representation size of optabs is huge.
The first issue is somewhat
On Fri, Jul 20, 2012 at 11:02 AM, Steven Bosscher stevenb@gmail.com wrote:
On Thu, Jul 19, 2012 at 11:09 AM, Richard Guenther
richard.guent...@gmail.com wrote:
Hmm, pp_flush looks like a lot more expensive compared to pp_newline
for example in
@@ -74,7 +74,7 @@ maybe_init_pretty_print
On Fri, Jul 20, 2012 at 11:04 AM, Jakub Jelinek ja...@redhat.com wrote:
On Fri, Jul 20, 2012 at 10:37:32AM +0200, Richard Guenther wrote:
On Thu, Jul 19, 2012 at 6:53 PM, Jakub Jelinek ja...@redhat.com wrote:
Hum. How hard would it be to merge the attributes?
IMHO hard and ugly. The thing
specifically care about !TREE_ASM_WRITTEN. We don't have a testcase
that breaks, so the following patch simply removes the code.
Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.
Richard.
2012-07-20 Richard Guenther rguent...@suse.de
* tree-inline.c (add_local_variables
On Fri, Jul 20, 2012 at 12:17 PM, Tobias Burnus bur...@net-b.de wrote:
On 07/20/2012 11:52 AM, Mikael Morin wrote
OK.
Thanks for the review.
I guess the division will be dropped too (the middle-end does the
reverse multiplication implicitly in the pointer arithmetic).
I wonder which one
at a pointer.
Bootstrapped on x86_64-unknown-linux-gnu, testing in progress.
Richard.
2012-07-20 Richard Guenther rguent...@suse.de
PR tree-optimization/54031
* tree-ssa-ccp.c (get_value_from_alignment): Use
get_pointer_alignment_1.
Index: gcc/tree-ssa-ccp.c
, installed.
Richard.
2012-07-20 Richard Guenther rguent...@suse.de
* tree-dfa.c (collect_dfa_stats): Simplify.
* tree-ssa-structalias.c (compute_may_aliases): Do not dump
referenced vars.
* cfgexpand.c (estimated_stack_frame_size): Walk over local
decls instead
;
}
/* Internal function, to compute cost when X is not a register; called
--
Richard Guenther rguent...@suse.de
SUSE / SUSE Labs
SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746
GF: Jeff Hawn, Jennifer Guild, Felix Imend
On Wed, Jul 18, 2012 at 7:18 PM, Steven Bosscher stevenb@gmail.com wrote:
On Wed, Jul 18, 2012 at 10:08 AM, Steven Bosscher stevenb@gmail.com
wrote:
On Wed, Jul 18, 2012 at 2:24 AM, H.J. Lu hjl.to...@gmail.com wrote:
This caused:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54008
On Thu, Jul 19, 2012 at 9:30 AM, Eric Botcazou ebotca...@adacore.com wrote:
Hmm, the point is of couse to not allow transitions that could form a
cycle, which is why the reverse transition is not allowed.
Let me have a closer look here.
You can reproduce on your favorite platform by locally
On Thu, Jul 19, 2012 at 12:00 PM, Eric Botcazou ebotca...@adacore.com wrote:
That helps reproducing it. The issue is that this really is a transition
in the wrong direction. We iterate
Visiting statement:
D.2928_263 = (sizetype) i.29_262;
which is likely UNDEFINED
Lattice value changed to
on the branch and do the backport
that would be nice).
Richard.
2012-07-19 Richard Guenther rguent...@suse.de
Eric Botcazou ebotca...@adacore.com
* tree-ssa-ccp.c (valid_lattice_transition): Clarify comment
about transition from invariant to known bits
don't loose it whenever we
switch functions.
The mid-term goal would then be to unify this with the insns locators
used by the RTL infrastructure.
I hope this helps.
Dodji
Thanks,
Dehao
On Tue, Jul 17, 2012 at 5:27 PM, Richard Guenther
richard.guent
(flag_tree_slsr) Optimization
+Perform straight-line strength reduction
+
ftree-sra
Common Report Var(flag_tree_sra) Optimization
Perform scalar replacement of aggregates
--
Richard Guenther rguent...@suse.de
SUSE / SUSE Labs
SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746
GF
On Wed, 18 Jul 2012, Steven Bosscher wrote:
On Wed, Jul 18, 2012 at 9:59 AM, Richard Guenther rguent...@suse.de wrote:
On Tue, 17 Jul 2012, William J. Schmidt wrote:
I overlooked adding a pass-control flag for strength reduction, added
here. I named it -ftree-slsr for consistency
.
+
@end table
@node AVR Options
--
Richard Guenther rguent...@suse.de
SUSE / SUSE Labs
SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746
GF: Jeff Hawn, Jennifer Guild, Felix Imend
alignment).
So, just ask that - whether the scalar access is aligned to at least
its size.
Bootstrapped on x86_64-unknown-linux-gnu, testing in progress.
Richard.
2012-07-18 Richard Guenther rguent...@suse.de
PR tree-optimization/53970
* tree.h (contains_packed_reference
(flag_tree_sink) Optimization
Enable SSA code sinking on trees
+ftree-slsr
+Common Report Var(flag_tree_slsr) Optimization
+Perform straight-line strength reduction
+
ftree-sra
Common Report Var(flag_tree_sra) Optimization
Perform scalar replacement of aggregates
--
Richard Guenther
On Wed, 18 Jul 2012, Steven Bosscher wrote:
On Wed, Jul 18, 2012 at 3:24 PM, William J. Schmidt
wschm...@linux.vnet.ibm.com wrote:
It turns out I was looking at a very old copy of the manual, and the
-ftree... stuff is not as prevalent now as it once was. I'll just go
with -fslsr to be
On Wed, Jul 18, 2012 at 4:05 PM, Eric Botcazou ebotca...@adacore.com wrote:
This is a regression present on mainline and 4.7 branch for targets using SJLJ
exceptions by default in Ada (e.g. ARM). The error message is:
+===GNAT BUG
On Wed, Jul 18, 2012 at 4:25 PM, Eric Botcazou ebotca...@adacore.com wrote:
This is a regression present on mainline and 4.7 branch. The error message
is:
p.adb: In function 'P.Proc':
p.adb:3:4: error: non-trivial conversion at assignment
system__address
void (*T590) (void)
On Wed, Jul 18, 2012 at 4:54 PM, Eric Botcazou ebotca...@adacore.com wrote:
This is a regression present on mainline and 4.7 branch for targets using SJLJ
exceptions by default in Ada (e.g. ARM). The error message is:
Unable to coalesce ssa_names 2 and 20 which are marked as MUST COALESCE.
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