On 10/2/20 4:44 PM, Alejandro Colomar wrote:
I know, they aren't perfect.
But they are still very useful,
and don't see a good reason to not document them.
"aren't perfect" is an understatement
More important, lots of things in GNU C are useful but shouldn't be documented
in the man page
Hi Paul,
On 2020-10-02 22:19, Paul Eggert wrote:
> On 10/2/20 1:03 PM, Alejandro Colomar wrote:
>> I know it's not in stdint,
>> but I mean that it behaves as any other stdint type.
With caveats, of course.
>
> It doesn't. There's no portable way to use scanf and printf on it.
I didn't need to
On Linux/x86_64,
7ee1c0413e251ff0b6a6d526209ef038b9835320 is the first bad commit
commit 7ee1c0413e251ff0b6a6d526209ef038b9835320
Author: Nathan Sidwell
Date: Fri Oct 2 11:13:26 2020 -0700
c++: Hash table iteration for namespace-member spelling suggestions
caused
FAIL: c-c++-common/spell
Hi Olivier,
On Thu, Oct 01, 2020 at 11:30:55AM +0200, Olivier Hainque wrote:
> This change reworks CPP_BUILTINS_SPEC for powerpc-vxworks to
> prepare for the upcoming addition of 32 and 64 bit ports for
> VxWorks 7r2.
Cool, looking forward to it!
Your attachment is not quotable (it is applicatio
Hi.
Thanks for the review.
I attached the updated patch file.
I don't have a copyright assignment, but I'll look at that.
On Fri, Oct 02, 2020 at 04:24:26PM -0400, David Malcolm wrote:
On Fri, 2020-10-02 at 16:17 -0400, David Malcolm wrote:
On Tue, 2020-09-01 at 21:01 -0400, Antoni Boucher via
On 29/09/20 19:35 +0300, Ville Voutilainen via Libstdc++ wrote:
On Tue, 29 Sep 2020 at 14:20, Jonathan Wakely wrote:
I think this is what we want:
template
constexpr inline __same_types = (is_same_v<_Tp, _Types> && ...);
is_same_v is very cheap, it uses the built-in directly, so you d
On 01/10/20 03:29 +, sotrdg sotrdg via Libstdc++ wrote:
From fb8d644a4c315058af141a3e84fcc083d665c8b9 Mon Sep 17 00:00:00 2001
From: ejsvifq_mabmip
Date: Wed, 30 Sep 2020 23:26:47 -0400
Subject: [PATCH] Fix a long term performance issue of fstream on Windows since
MSVCRT defines BUFSIZ as 51
This fixes a linker error for older ARM cores without 64-bit atomics.
I think the { dg-add-options libatomic } is no longer needed, but it's
harmless to keep it there.
libstdc++-v3/ChangeLog:
* testsuite/29_atomics/atomic_float/value_init.cc: Use float
instead of double so that _
On 26/09/20 20:42 +0100, Jonathan Wakely wrote:
Glibc 2.32 adds a global variable that says whether the process is
single-threaded. We can use this to decide whether to elide atomic
operations, as a more precise and reliable indicator than
__gthread_active_p.
This means that guard variables for
On 10/1/20 5:49 PM, Marek Polacek wrote:
No one is interested in the mangled name of the C++20 template parameter
object for a class NTTP. So instead of printing
required for the satisfaction of ‘positive’ [with T =
X<::_ZTAXtl5ratioLin1ELi2EEE>]
let's print
required for the satisfacti
The generation of the library call for the MINLOC/MAXLOC intrinsic
mishandled the optional KIND argument and resulted in a bad
argument list passed to the library function. The fix is obvious.
Regtested on x86_64-pc-linux-gnu.
OK for master? As it technically wrong code, OK for backports?
Than
Hi Paul,
On 2020-10-02 22:14, Paul Eggert wrote:
> On 10/2/20 11:38 AM, Alejandro Colomar wrote:
>
>> .I void *
>>
>> renders with a space in between.
>
> That's odd, as "man(7)" says "All of the arguments will be printed next
> to each other without intervening spaces". I'd play it safe and quot
On Fri, 2020-10-02 at 16:17 -0400, David Malcolm wrote:
> On Tue, 2020-09-01 at 21:01 -0400, Antoni Boucher via Jit wrote:
> > Hello.
> > This WIP patch implements new reflection functions in the C API as
> > mentioned in bug 96889.
> > I'm looking forward for feedbacks on this patch.
> > It's WIP
On 10/2/20 1:03 PM, Alejandro Colomar wrote:
I know it's not in stdint,
but I mean that it behaves as any other stdint type.
It doesn't. There's no portable way to use scanf and printf on it. You can't
reliably convert it to intmax_t. It doesn't have the associated _MIN and _MAX
macros that t
On Tue, 2020-09-01 at 21:01 -0400, Antoni Boucher via Jit wrote:
> Hello.
> This WIP patch implements new reflection functions in the C API as
> mentioned in bug 96889.
> I'm looking forward for feedbacks on this patch.
> It's WIP because I'll probably add a few more reflection functions.
> Thanks
On 10/2/20 11:38 AM, Alejandro Colomar wrote:
.I void *
renders with a space in between.
That's odd, as "man(7)" says "All of the arguments will be printed next to each
other without intervening spaces". I'd play it safe and quote the arg anyway.
> %p works with any object pointer type (
Hi Paul,
On 2020-10-02 21:54, Paul Eggert wrote:
> On 10/2/20 12:01 PM, Alejandro Colomar wrote:
>> If you propose not to document the stdint types either,
>
> This is not a stdint.h issue. __int128 is not in stdint.h and is not a
> system data type in any real sense; it's purely a compiler issue
On 10/2/20 12:01 PM, Alejandro Colomar wrote:
If you propose not to document the stdint types either,
This is not a stdint.h issue. __int128 is not in stdint.h and is not a system
data type in any real sense; it's purely a compiler issue. Besides, do we start
repeating the GCC manual too, whi
Signed-off-by: Alejandro Colomar
---
man3/void.3 | 1 +
1 file changed, 1 insertion(+)
create mode 100644 man3/void.3
diff --git a/man3/void.3 b/man3/void.3
new file mode 100644
index 0..db50c0f09
--- /dev/null
+++ b/man3/void.3
@@ -0,0 +1 @@
+.so man7/system_data_types.7
--
2.28.0
Signed-off-by: Alejandro Colomar
system_data_types.7: void *: Add info about generic function parameters and
return value
Reported-by: Paul Eggert
Reported-by: David Laight
Signed-off-by: Alejandro Colomar
system_data_types.7: void *: Add info about pointer artihmetic
Reported-by: Paul Egg
Hi Michael,
Here I added a wfix fixing some wording issues and a few typos
spotted by Paul and Jonathan in the (many) threads.
As previously, it is squashed into a single commit.
Thanks again for those who reviewed the patch!
BTW, for those who don't have a local repo of the man-pages,
below yo
Here's the patch to remove DECL_ANTICIPATED, and with it hiddenness is
managed entirely in the symbol table. Sadly I couldn't get rid of the
actual field without more investigation -- it's repurposed for
OMP_PRIVATIZED_MEMBER. It looks like a the VAR-related flags in
lang_decl_base are not comp
Hi Paul,
On 2020-10-02 19:52, Paul Eggert wrote:
Why describe __int128_t in these man pages at all? __int128_t is not a
property of either the kernel or of glibc, so it's out of scope.
Well, as I see it, [unsigned] __int128 is as good as [u]int64_t.
They are part of the C interface in Linux.
A
Hi!
On Fri, Oct 02, 2020 at 04:41:05PM +0930, Alan Modra wrote:
> This moves an #ifdef block of code from calls.c to
> targetm.function_ok_for_sibcall. Only two targets, x86 and rs6000,
> define REG_PARM_STACK_SPACE or OUTGOING_REG_PARM_STACK_SPACE macros
> that might vary depending on the called
Hi Paul,
On 2020-10-02 18:53, Paul Eggert wrote:
> On 10/2/20 8:14 AM, Alejandro Colomar wrote:
>
>> +.I void *
>
> GNU style is a space between "void" and "*", so this should be '.I
> "void\ *"', both here and elsewhere. The backslash prevents a line break.
.I void *
renders with a space in be
For 'no such binding' errors, we iterate over binding levels to find a
close match. At the namespace level we were using DECL_ANTICIPATED to
skip undeclared builtins. But (a) there are other unnameable things
there and (b) decl-anticipated is about to go away. This changes the
namespace scanni
Hi Eric,
On Fri, Oct 02, 2020 at 10:26:24AM +0200, Eric Botcazou wrote:
> > Don't call it "mask" please: *all* of our basic rotate instructions
> > already have something called "mask" (that is the "m" in "rlwnm" for
> > example; and "rotlw d,a,b" is just an extended mnemonic for
> > "rlwnm d,a,b,
Why describe __int128_t in these man pages at all? __int128_t is not a property
of either the kernel or of glibc, so it's out of scope.
On Fri, Oct 02, 2020 at 05:33:13PM +, Joseph Myers wrote:
> On Fri, 2 Oct 2020, Tobias Burnus wrote:
>
> > However, this flag can be added into the offload-target's libgomp.spec,
> > which avoids all kind of issues. That's what this patch now does.
> >
> > I tested it with x86_64-gnu-linux w/
On Fri, 2 Oct 2020, Tobias Burnus wrote:
> However, this flag can be added into the offload-target's libgomp.spec,
> which avoids all kind of issues. That's what this patch now does.
>
> I tested it with x86_64-gnu-linux w/o + w/ nvptx-none. Result:
> * x86_64-gnu-linux's libgomp.spec:
> "*link
On Fri, Oct 02, 2020 at 10:46:12AM +0200, Aldy Hernandez wrote:
> On 10/2/20 2:17 AM, David Edelsohn wrote:
> >On Thu, Oct 1, 2020 at 8:02 PM Andrew MacLeod wrote:
> >Thanks for investigating. And I definitely am not suggesting that you
> >delay the great progress on Ranger to flatten and compact
On 06/09/2020 17.23, Armin Brauns wrote:
> There were some differences between the actual code in do_spec_1, its
> source comment, and the documentation in doc/invoke.texi. These should
> now be resolved.
PING: https://gcc.gnu.org/pipermail/gcc-patches/2020-September/553321.html
The patch switches to a hybrid EVRP pass which utilizes both the Ranger
and the classic EVRP pass.
it introduces a new undocumented option:
-fevrp-mode= which can be one of the following options
evrp-only : This is classic EVRP mode, identical to whats in trunk now.
rvrp-only : This r
This is the ranger component that pulls all the others bits together.
Its API is basically the range_query we've already pushed into the
compiler. The main ones a client are likely to use are
bool range_of_stmt (irange &r, gimple *, tree name = NULL)
bool range_of_expr (irange &r, tree name, g
These are the various caches used by the ranger.
- non-null-ref : Tracks non-null pointer dereferences in blocks so we
can properly calculate non-null pointer ranges
- on entry cache : Block ranges tracks the calucalted values sof
ssa-names on entry to each basic block.
- global cache: Stores
This is the true core of the ranger.
The GORI (Generates Outgoing Range Information) engine contains all the
smarts to utilize the functionality provided via range-ops in order to
calculate outgoing ranges on an edge, based on the control flow at the exit.
It functions *only* at the basic blo
This file produces constant edge ranges. It provides a class which can
be instantiated and will return the range on any edge.
This was originally suppose to be trivial, but switches mucked that up :-)
There are 2 basic expressions that can result ina constant range on an
edge:
Note there is
This patch set contains the various components that make up a ranger.
Ranger files are prefixed by "gimple-range".
gimple-range-cache.{h,cc} : Various caches used by the ranger.
gimple-range-edge.{h,cc} : Outgoing edge range calculations,
particularly switch edge ranges.
gimple-range-gor
Where to start?
This is the culmination of numerous years work on the ranger for
generating accurate on-demand ranges in GCC.
There are 2 patch sets as a part of this submission
1) The ranger & Enhancements to EVRP
3) Other passes converted to Ranger
There is still some missing functiona
ctor_omit_inherited_parms was being somewhat abused. What I'd missed
is that it checks for a base-dtor name, before proceeding with the
check. But we ended up passing it that during cloning before we'd
completed the cloning. It was also using DECL_ORIGIN to get to the
in-charge ctor, but we so
On 10/2/20 8:14 AM, Alejandro Colomar wrote:
+.I void *
GNU style is a space between "void" and "*", so this should be '.I "void\ *"',
both here and elsewhere. The backslash prevents a line break.
+Conversions from and to any other pointer type are done implicitly,
+not requiring casts at
Richard Biener writes:
> This introduces a permute optimization phase for SLP which is
> intended to cover the existing permute eliding for SLP reductions
> plus handling commonizing the easy cases.
>
> It currently uses graphds to compute a postorder on the reverse
> SLP graph and it handles all
From: Thomas Rodgers
Updated patch incorporating latest feedback (revised).
Add support for -
* atomic_flag::wait/notify_one/notify_all
* atomic::wait/notify_one/notify_all
* counting_semaphore
* binary_semaphore
* latch
libstdc++-v3/ChangeLog:
* include/Makefile.am (bits_hea
> On Oct 1, 2020, at 11:20 AM, Richard Sandiford
> wrote:
>
> Qing Zhao writes:
>> Hi, Richard,
>>
>> To answer the question, which registers should be included in “ALL”.
>> I studied X86 hard register set in more details. And also consulted with
>> H.J.Lu, And found:
>>
>> In the curren
> On Oct 2, 2020, at 10:15 AM, Richard Sandiford
> wrote:
>
> Qing Zhao writes:
>>>
>>> Going back to the default hook, I guess one option is:
>>>
>>> rtx zero = CONST0_RTX (reg_raw_mode[regno]);
>>> rtx_insn *insn = emit_insn (gen_rtx_SET (regno_reg_rtx[regno], zero));
>>> if (!valid_i
Signed-off-by: Alejandro Colomar
---
man3/void.3 | 1 +
1 file changed, 1 insertion(+)
create mode 100644 man3/void.3
diff --git a/man3/void.3 b/man3/void.3
new file mode 100644
index 0..db50c0f09
--- /dev/null
+++ b/man3/void.3
@@ -0,0 +1 @@
+.so man7/system_data_types.7
--
2.28.0
Qing Zhao writes:
>>
>> Going back to the default hook, I guess one option is:
>>
>> rtx zero = CONST0_RTX (reg_raw_mode[regno]);
>> rtx_insn *insn = emit_insn (gen_rtx_SET (regno_reg_rtx[regno], zero));
>> if (!valid_insn_p (insn))
>> sorry (…);
>
> “Sorry” here will tell the user tha
Signed-off-by: Alejandro Colomar
system_data_types.7: void *: Add info about generic function parameters and
return value
Reported-by: Paul Eggert
Reported-by: David Laight
Signed-off-by: Alejandro Colomar
system_data_types.7: void *: Add info about pointer artihmetic
Reported-by: Paul Egg
Hi Michael,
I'm sorry I forgot to increase the version count.
And given there are conversations continuing in old threads,
you may mix them easily. I'm a bit lost in the emails too.
I'll resend the latest patch (identically) as v4
(there's no v3, but this is the 4th time or so, so let's call it v
> -Original Message-
> From: Alex Coplan
> Sent: 02 October 2020 15:49
> To: gcc-patches@gcc.gnu.org
> Cc: ni...@redhat.com; Richard Earnshaw ;
> Ramana Radhakrishnan ; Kyrylo
> Tkachov
> Subject: [PATCH][GCC 10] arm: Add support for Neoverse N2 CPU
>
> This patch backports the AArch32
This patch backports the AArch32 support for Arm's Neoverse N2 CPU to
GCC 8.
Testing:
* Bootstrapped and regtested on arm-none-linux-gnueabihf.
OK for GCC 8 branch?
Thanks,
Alex
---
gcc/ChangeLog:
* config/arm/arm-cpus.in (neoverse-n2): New.
* config/arm/arm-tables.opt: Regen
This patch backports the AArch32 support for Arm's Neoverse N2 CPU to
GCC 9.
Testing:
* Bootstrapped and regtested on arm-none-linux-gnueabihf.
OK for GCC 9 branch?
Thanks,
Alex
---
gcc/ChangeLog:
* config/arm/arm-cpus.in (neoverse-n2): New.
* config/arm/arm-tables.opt: Regen
This patch backports the AArch32 support for Arm's Neoverse N2 CPU to
GCC 10.
Testing:
* Bootstrapped and regtested on arm-none-linux-gnueabihf.
OK for GCC 10 branch?
Thanks,
Alex
---
gcc/ChangeLog:
* config/arm/arm-cpus.in (neoverse-n2): New.
* config/arm/arm-tables.opt: Reg
> -Original Message-
> From: Alex Coplan
> Sent: 02 October 2020 15:41
> To: gcc-patches@gcc.gnu.org
> Cc: ni...@redhat.com; Richard Earnshaw ;
> Ramana Radhakrishnan ; Kyrylo
> Tkachov
> Subject: [PATCH] arm: Add missing part number for Neoverse V1
>
> This patch adds vendor and part
This patch adds vendor and part numbers which were missing from the
initial entry for Neoverse V1 in AArch32 GCC.
OK for trunk and backports to GCC 10 and 9?
I believe GCC 8 handles these differently so that will need fixing
separately.
Thanks,
Alex
---
gcc/ChangeLog:
* config/arm/arm
Hi all,
This GCC 8 patch duplicates the Cortex-A72 tuning struct that's currently used
for Neoverse V1 and AARCH64_EXTRA_TUNE_PREFER_ADVSIMD_AUTOVEC tune flag to
prefer Advanced SIMD over SVE autovectorisation.
Bootstrapped and tested on GCC 8, pushing to the branch.
Thanks,
Kyrill
gcc/
Hi all,
This GCC 9 patch duplicates the Neoverse N1 tuning struct that's currently used
for Neoverse V1 and AARCH64_EXTRA_TUNE_PREFER_ADVSIMD_AUTOVEC tune flag to
prefer Advanced SIMD over SVE autovectorisation.
Bootstrapped and tested on GCC 9, pushing to the branch.
Thanks,
Kyrill
gcc/
>
> Going back to the default hook, I guess one option is:
>
> rtx zero = CONST0_RTX (reg_raw_mode[regno]);
> rtx_insn *insn = emit_insn (gen_rtx_SET (regno_reg_rtx[regno], zero));
> if (!valid_insn_p (insn))
> sorry (…);
“Sorry” here will tell the user that the implementation on th
Hi all,
This patch adds a Neoverse V1-specific tuning struct that currently is just a
deduplication of the N1 struct it was using before and specifying the SVE width.
This will allow us to tweak Neoverse V1 things in the future as needed.
Bootstrapped and tested on aarch64-none-linux-gnu.
Commit
On Fri, Oct 02, 2020 at 10:46:33AM +0200, Jakub Jelinek wrote:
> On Wed, Sep 30, 2020 at 03:24:08PM +0200, Stefan Schulze Frielinghaus via
> Gcc-patches wrote:
> > On Wed, Sep 30, 2020 at 01:39:11PM +0200, Jakub Jelinek wrote:
> > > On Wed, Sep 30, 2020 at 01:21:44PM +0200, Stefan Schulze Frieling
On 10/2/20 9:26 AM, Martin Liška wrote:
Yes, you simply get all sorts of conditions that hold when a
condition is
true, not just those based on the SSA name you put in. But it occured
to me that the use-case is somewhat different - for switch-conversion
you want to know whether the test _exactl
Hi Joe,
> -Original Message-
> From: Gcc-patches On Behalf Of Joe
> Ramsay
> Sent: 19 August 2020 17:12
> To: gcc-patches@gcc.gnu.org
> Subject: [PATCH v2][GCC] arm: Add +nomve and +nomve.fp options to -
> mcpu=cortex-m55
>
> From: Joe Ramsay
>
> Hi all,
>
> This patch rearranges feat
Hi Joe,
> -Original Message-
> From: Gcc-patches On Behalf Of Joe
> Ramsay
> Sent: 13 August 2020 14:16
> To: Joe Ramsay ; gcc-patches@gcc.gnu.org
> Subject: [PATCH] arm: Remove coercion from scalar argument to vmin &
> vmax intrinsics
>
> From: Joe Ramsay
>
> Hi,
>
> This patch fixes
> On Oct 1, 2020, at 11:20 AM, Richard Sandiford
> wrote:
>
> Qing Zhao writes:
>> Hi, Richard,
>>
>> To answer the question, which registers should be included in “ALL”.
>> I studied X86 hard register set in more details. And also consulted with
>> H.J.Lu, And found:
>>
>> In the curren
On Fri, 2 Oct 2020, Jan Hubicka wrote:
> Hi,
> this patch implements tracking of access ranges. This is only applied when
> base pointer is an arugment. Incrementally i will extend it to also track
> TBAA basetype so we can disambiguate ranges for accesses to same basetype
> (which makes is quite
This introduces a permute optimization phase for SLP which is
intended to cover the existing permute eliding for SLP reductions
plus handling commonizing the easy cases.
It currently uses graphds to compute a postorder on the reverse
SLP graph and it handles all cases vect_attempt_slp_rearrange_st
On Fri, 2 Oct 2020, Jan Hubicka wrote:
> Hi,
> as discussed this patch makes return value and arg specifiers to be 2
> characters long and updates (I hope) all fnspec strings.
> I also enabled part of the verification (just accepting the fortran bug
> with 'R' and 'W' in return value specifiers) t
On Mon, Sep 21, 2020 at 6:09 AM H.J. Lu wrote:
>
> On Mon, Sep 21, 2020 at 5:54 AM H.J. Lu wrote:
> >
> > Since "MASKMOVQ mm1, mm2" is an SSE instruction which requires MMX and
> > MMX/SSE ISAs are handled separately, make __builtin_ia32_maskmovq require
> > MMX instead of SSE.
> >
> > gcc/
> >
>
> > +.I void *
> > +.RS
> > +According to the C language standard,
> > +a pointer to any object type may be converted to a pointer to
> > +.I void
> > +and back.
> > +POSIX further requires that any pointer,
> > +including pointers to functions,
> > +may be converted to a pointer to
> > +.I void
>
On 9/29/20 10:46 AM, Richard Biener wrote:
On Fri, Sep 25, 2020 at 4:05 PM Martin Liška wrote:
On 9/24/20 2:41 PM, Richard Biener wrote:
On Wed, Sep 2, 2020 at 1:53 PM Martin Liška wrote:
On 9/1/20 4:50 PM, David Malcolm wrote:
Hope this is constructive
Dave
Thank you David. All of them
On 9/24/20 2:41 PM, Richard Biener wrote:
On Wed, Sep 2, 2020 at 1:53 PM Martin Liška wrote:
On 9/1/20 4:50 PM, David Malcolm wrote:
Hope this is constructive
Dave
Thank you David. All of them very very useful!
There's updated version of the patch.
I noticed several functions without a f
> > > diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
> > > index fb677e17817..f3fbed81c4a 100644
> > > --- a/gcc/config/i386/i386.md
> > > +++ b/gcc/config/i386/i386.md
> > > @@ -18007,7 +18007,13 @@ (define_expand "cmpstrnsi"
> > > {
> > >rtx addr1, addr2, countreg, align, out
On Wed, Sep 16, 2020 at 10:07 PM H.J. Lu wrote:
>
> On Wed, Aug 19, 2020 at 6:09 AM H.J. Lu wrote:
> >
> > On Tue, May 19, 2020 at 5:14 AM H.J. Lu wrote:
> > >
> > > On Tue, May 19, 2020 at 1:48 AM Uros Bizjak wrote:
> > > >
> > > > On Sun, May 17, 2020 at 7:06 PM H.J. Lu wrote:
> > > > >
> >
Hi,
as discussed this patch makes return value and arg specifiers to be 2
characters long and updates (I hope) all fnspec strings.
I also enabled part of the verification (just accepting the fortran bug
with 'R' and 'W' in return value specifiers) to get some evidence that
the update is complete.
Hi,
Consider the test-case libgomp.c/pr81778.c added in this commit, with
this core loop (note: CANARY_SIZE set to 0 for simplicity):
...
int s = 1;
#pragma omp target simd
for (int i = N - 1; i > -1; i -= s)
a[i] = 1;
...
which, given that N is 32, sets a[0..31] to 1.
After omp-expand,
On Fri, 2 Oct 2020 at 13:17, Alejandro Colomar wrote:
>
> Signed-off-by: Alejandro Colomar
>
> system_data_types.7: void *: Add info about generic function parameters and
> return value
>
> Reported-by: Paul Eggert
> Reported-by: David Laight
> Signed-off-by: Alejandro Colomar
>
> system_data
On Wed, Sep 16, 2020 at 10:07 PM H.J. Lu wrote:
>
> On Wed, Aug 19, 2020 at 6:25 AM H.J. Lu wrote:
> >
> > On Wed, Jul 15, 2020 at 10:42:27AM -0700, H.J. Lu wrote:
> > > Expand strncmp to "repz cmpsb" only with -minline-all-stringops since
> > > "repz cmpsb" can be much slower than strncmp functi
On Thu, Feb 6, 2020 at 6:57 PM H.J. Lu wrote:
>
> This commit in GNU binutils 2.35:
>
> https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;a=commit;h=b7d072167715829eed0622616f6ae0182900de3e
>
> added the section flag 'o' to .section directive:
>
> .section __patchable_function_entries,"awo"
On Wed, Sep 23, 2020 at 10:58 AM H.J. Lu wrote:
>
> For sources which can't use any vector instructions, and
> cannot be included for compiler intrinsics:
>
> $ echo "#include " | gcc -S -O2 -mno-sse -mno-mmx -x c -
> In file included from /usr/include/stdlib.h:1013,
> from
> /
Hi,
On Wed, Sep 30 2020, Jan Hubicka wrote:
>> This patch enhances the ability of IPA to reason under what conditions
>> loops in a function have known iteration counts or strides because it
>> replaces single predicates which currently hold conjunction of
>> predicates for all loops with vectors
Signed-off-by: Alejandro Colomar
---
man3/__int128.3 | 1 +
1 file changed, 1 insertion(+)
create mode 100644 man3/__int128.3
diff --git a/man3/__int128.3 b/man3/__int128.3
new file mode 100644
index 0..db50c0f09
--- /dev/null
+++ b/man3/__int128.3
@@ -0,0 +1 @@
+.so man7/system_data_ty
Signed-off-by: Alejandro Colomar
---
man3/unsigned-__int128.3 | 1 +
1 file changed, 1 insertion(+)
create mode 100644 man3/unsigned-__int128.3
diff --git a/man3/unsigned-__int128.3 b/man3/unsigned-__int128.3
new file mode 100644
index 0..db50c0f09
--- /dev/null
+++ b/man3/unsigned-__in
Signed-off-by: Alejandro Colomar
---
man7/system_data_types.7 | 35 +++
1 file changed, 35 insertions(+)
diff --git a/man7/system_data_types.7 b/man7/system_data_types.7
index 5f9aa648f..3cf3f0ec9 100644
--- a/man7/system_data_types.7
+++ b/man7/system_data_types.
Signed-off-by: Alejandro Colomar
---
man7/system_data_types.7 | 40
1 file changed, 40 insertions(+)
diff --git a/man7/system_data_types.7 b/man7/system_data_types.7
index e545aa1a0..5f9aa648f 100644
--- a/man7/system_data_types.7
+++ b/man7/system_data_t
Hi Michael,
I fixed the stray '"' noticed by Florian.
Cheers,
Alex
Alejandro Colomar (4):
system_data_types.7: Add '__int128'
__int128.3: New link to system_data_types(7)
system_data_types.7: Add 'unsigned __int128'
unsigned-__int128.3: New link to system_data_types(7)
man3/__int128.3
Signed-off-by: Alejandro Colomar
---
man3/void.3 | 1 +
1 file changed, 1 insertion(+)
create mode 100644 man3/void.3
diff --git a/man3/void.3 b/man3/void.3
new file mode 100644
index 0..db50c0f09
--- /dev/null
+++ b/man3/void.3
@@ -0,0 +1 @@
+.so man7/system_data_types.7
--
2.28.0
Signed-off-by: Alejandro Colomar
system_data_types.7: void *: Add info about generic function parameters and
return value
Reported-by: Paul Eggert
Reported-by: David Laight
Signed-off-by: Alejandro Colomar
system_data_types.7: void *: Add info about pointer artihmetic
Reported-by: Paul Egg
Hi Michael,
As you asked, I squashed.
And added the POSIX.1-2008 note too. Thanks for that!
Cheers,
Alex
Alejandro Colomar (2):
system_data_types.7: Add 'void *'
void.3: New link to system_data_types(7)
man3/void.3 | 1 +
man7/system_data_types.7 | 80 +++
I had reason to wander into cp_make_fname, and noticed it's the only
caller of cp_fname_init. Folding it in makes the code simpler.
gcc/cp/
* cp-tree.h (cp_fname_init): Delete declaration.
* decl.c (cp_fname_init): Merge into only caller ...
(cp_make_fname): ... h
> 2020-09-01 Martin Jambor
>
> * ipa-prop.h (ipa_auto_call_arg_values): New type.
> (class ipa_call_arg_values): Likewise.
> (ipa_get_indirect_edge_target): Replaced vector arguments with
> ipa_call_arg_values in declaration. Added an overload for
> ipa_auto_call_
* Alejandro Colomar via Libc-alpha:
> +the compiler is able to generate efficient code for 128-bit arithmetic".
Stray "?
> +.PP
> +See also the
> +.IR intmax_t ,
> +.IR int N _t
I think it's surprising that intmax_t can be smaller than __int128 (and
usually is, I think), so that's probably wort
On 10/1/20 9:18 PM, Martin Liška wrote:
I'm going to install the following 3 tested backports.
Martin
... and one more.
Martin
>From f97ef0b2dfdad07db3d564b932c7b7373654b7d4 Mon Sep 17 00:00:00 2001
From: Martin Liska
Date: Fri, 25 Sep 2020 10:53:26 +0200
Subject: [PATCH] GCOV: do not mang
On 10/2/20 12:05 PM, Martin Liška wrote:
There are 2 more I've just tested.
Martin
and one more.
Martin
>From e204fd5113a4ae92713442555ab4258abd84942a Mon Sep 17 00:00:00 2001
From: Martin Liska
Date: Fri, 25 Sep 2020 10:53:26 +0200
Subject: [PATCH] GCOV: do not mangle .gcno files.
gcc/Chan
On 10/2/20 12:55 AM, Joseph Myers wrote:
As discussed in bug 81358, I think --as-needed -latomic --no-as-needed
should be used by the driver by default (when the compiler is configured
with libatomic supported).
I make a thinko initially by believing that the '-latomic' has to
be specified by
In r11-2922, Przemek fixed a post-RA instruction match failure
caused by the SVE FP subtraction patterns. This patch applies
the same fix to the other patterns.
To recap, the issue is around the handling of predication.
We want to do two things:
- Optimise cases in which a predicate is known to
Since hard-float is not implemented for cores that only support thumb1
(and not thumb2) this test fails for configurations using hard float but
older -mcpu settings.
gcc/testsuite/ChangeLog:
* g++.dg/inherit/thunk10.C: Skip test for arm_hf_eabi if -mthumb
doesn't generate thumb2 i
> -Original Message-
> From: Richard Sandiford
> Sent: 02 October 2020 11:39
> To: Christophe Lyon
> Cc: Kyrylo Tkachov ; Richard Earnshaw
> ; Dennis Zhang ;
> gcc-patches@gcc.gnu.org; Ramana Radhakrishnan
>
> Subject: [PATCH] arm: Make more use of the new mode macros
>
> Christophe
Christophe Lyon writes:
> On Tue, 29 Sep 2020 at 12:38, Kyrylo Tkachov wrote:
>>
>>
>>
>> > -Original Message-
>> > From: Richard Sandiford
>> > Sent: 29 September 2020 11:27
>> > To: Kyrylo Tkachov
>> > Cc: gcc-patches@gcc.gnu.org; ni...@redhat.com; Richard Earnshaw
>> > ; Ramana Radha
On 01/10/20 10:35 -0400, Patrick Palka via Libstdc++ wrote:
I noticed that the following changes from this paper were not yet
implemented.
Oops, thanks.
OK to commit after testing on x86_64-pc-linux-gnu finishes successfully?
libstdc++-v3/ChangeLog:
* include/bits/stl_iterator.h (re
libgomp's Makefile.in were last re-generated by automake 1.16.1;
result: --enable-maintainer-mode now tries to find and use
automake-16
when generating that file.
Committed as obvious in commit
r11-3613-g2fe5a545e09edb4001bbfb74c571c806ebc7cb25
Tobias
commit 2fe5a545e09edb4001bbfb74c571c806eb
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