On 8/6/2022 1:07 AM, Eugene Rozenfeld wrote:
The changes look good to me. Also adding Andi, the author of the script.
Looks all good to me too.
-Andi
This patch adds a new warning to -fanalyzer for jumps through NULL
function pointers.
Successfully bootstrapped & regrtested on x86_64-pc-linux-gnu.
Pushed to trunk as r13-1979-ge1a9168153d2bf.
gcc/analyzer/ChangeLog:
PR analyzer/105947
* analyzer.opt (Wanalyzer-jump-through-null)
The changes look good to me. Also adding Andi, the author of the script.
Eugene
-Original Message-
From: Gcc-patches On
Behalf Of Xi Ruoyao via Gcc-patches
Sent: Sunday, June 26, 2022 11:15 PM
To: gcc-patches@gcc.gnu.org
Subject: [EXTERNAL] [PATCH] contrib: modernize gen_autofdo_event.p
How about adding a few more names from the std namespace to get appropriate
hints? This patch compiles and the appropriate messages are printed. Is
there a problem with just adding more or even at some point all the symbols
of the standard library?
gcc/ChangeLog:
* cp/name-lookup.cc (ge
This patch moves the lowering of 128-bit V1TImode shifts and rotations by
constant bit counts to sequences of SSE operations from the RTL expansion
pass to the pre-reload split pass. Postponing this splitting of shifts
and rotates enables (will enable) the TImode equivalents of these
operations/
On Thu, Jul 28, 2022 at 12:43:49AM -0400, Michael Meissner wrote:
> These patches lay the foundation for a set of follow-on patches that will
> change the internal handling of 128-bit floating point types in GCC. In the
> future patches, I hope to change the compiler to always use KFmode for the
>
On 8/2/2022 7:00 AM, Richard Biener via Gcc-patches wrote:
I am trying to make sense of back_threader_profitability::profitable_path_p
and the first thing I notice is that we do
/* Threading is profitable if the path duplicated is hot but also
in a case we separate cold path from hot
On 8/4/2022 6:35 AM, Takayuki 'January June' Suwa via Gcc-patches wrote:
So lots, but almost double might be an overstatement :)
BTW after some quick experimentation, I found that turning on
-fsplit-wide-types-early would roughly (but not completely) solve the problem.
Surely, the output w
When libcpp reports diagnostics whose locus is a macro name (such as for
-Wunused-macros), it uses the location in the cpp_macro object that was
stored by _cpp_new_macro. This is currently set to pfile->directive_line,
which contains the line number only and no column information. This patch
chang
On 8/4/2022 3:49 AM, Richard Sandiford via Gcc-patches wrote:
TBH I'm surprised we still run init_regs for LRA. I thought there was
a plan to stop doing that, but perhaps I misremember.
Sorry I am not sure about the status of LRA... because the xtensa port is still
using reload.
Ah, hadn
On 8/5/2022 7:58 AM, Richard Biener wrote:
The following adjusts the costing of PHIs to match how I understand
the comment and maybe the original intent. The will be no
non-degenerate PHI nodes remaining on the threaded path but when there
are alternate path exits PHI nodes at their destinati
On 05/08/2022 16:20, Srinath Parvathaneni via Gcc-patches wrote:
Hi,
This patch adds the -mcpu support for the Arm Cortex-M85 CPU which is an
Armv8.1-M Mainline CPU supporting MVE and PACBTI by default.
-mpcu=cortex-m85 switch by default matches to
-march=armv8.1-m.main+pacbti+mve.fp+fp.dp.
GCC emits pedwarns unconditionally when comparing pointers of
different types, for example:
int xdp_context (struct xdp_md *xdp)
{
void *data = (void *)(long)xdp->data;
__u32 *metadata = (void *)(long)xdp->data_meta;
__u32 ret;
if (metadata + 1 > data)
On 8/5/2022 6:31 AM, Richard Biener via Gcc-patches wrote:
This fixes odd SUCCEEDED dumps from the backthreader registry that
can happen even though register_jump_thread cancelled the thread
as invalid.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
* tree-ssa-threadbac
Hi,
This patch adds the -mcpu support for the Arm Cortex-M85 CPU which is an
Armv8.1-M Mainline CPU supporting MVE and PACBTI by default.
-mpcu=cortex-m85 switch by default matches to
-march=armv8.1-m.main+pacbti+mve.fp+fp.dp.
Also following options are provided to disable default features.
+no
On 05/08/2022 14:53, Richard Sandiford via Gcc-patches wrote:
Richard Earnshaw writes:
On 13/06/2022 15:33, Richard Sandiford via Gcc-patches wrote:
On aarch64, --with-arch, --with-cpu and --with-tune only have an
effect on the driver, so “./xgcc -B./ -O3” can give significantly
different r
On Fri, 5 Aug 2022 at 18:26, Andre Vieira (lists)
wrote:
>
> Hi,
>
> This patch is part of the WIP patch that follows in this series. It's
> goal is to teach forwprop to handle VLA VEC_PERM_EXPRs with VLS
> CONSTRUCTORs as arguments as preparation for the 'VLA constructor' hook
> approach.
I forgot to add this macro to the new header.
Tested x86_64-linux, pushed to trunk.
-- >8 --
libstdc++-v3/ChangeLog:
* include/experimental/scope (__cpp_lib_experimental_scope):
Define.
* testsuite/experimental/scopeguard/uniqueres.cc: Check macro.
---
libstdc++-v3/incl
Ping^2.
On Wed, 20 Jul 2022, Alexander Monakov wrote:
>
> Ping.
>
> On Thu, 7 Jul 2022, Alexander Monakov via Gcc-patches wrote:
>
> > From: Artem Klimov
> >
> > Fix PR99619, which asks to optimize TLS model based on visibility.
> > The fix is implemented as an IPA optimization: this allows
Tested x86_64-linux, pushed to trunk.
-- >8 --
libstdc++-v3/ChangeLog:
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/experimental/scope: New file.
* testsuite/experimental/scopeguard/uniqueres.cc: New test.
* testsuite
The following adjusts the costing of PHIs to match how I understand
the comment and maybe the original intent. The will be no
non-degenerate PHI nodes remaining on the threaded path but when there
are alternate path exits PHI nodes at their destinations will likely
require extra copies on those ed
Richard Earnshaw writes:
> On 13/06/2022 15:33, Richard Sandiford via Gcc-patches wrote:
>> On aarch64, --with-arch, --with-cpu and --with-tune only have an
>> effect on the driver, so “./xgcc -B./ -O3” can give significantly
>> different results from “./cc1 -O3”. --with-arch did have a limited
>
On Fri, 5 Aug 2022, Tamar Christina wrote:
> Hi All,
>
> This excludes value_replacement and store_elim from diamonds as they don't
> handle the form properly.
>
> Bootstrapped Regtested on aarch64-none-linux-gnu, x86_64-pc-linux-gnu
> and no issues.
>
> Ok for master?
OK
> Thanks,
> Tamar
>
Hi All,
This excludes value_replacement and store_elim from diamonds as they don't
handle the form properly.
Bootstrapped Regtested on aarch64-none-linux-gnu, x86_64-pc-linux-gnu
and no issues.
Ok for master?
Thanks,
Tamar
gcc/ChangeLog:
PR middle-end/106534
* tree-ssa-phiopt.
This patch tweaks i386.md's *cmp_doubleword splitter's predicate to
allow general_operand, not just x86_64_hilo_general_operand, to improve
code generation. As a general rule, i386.md's _doubleword splitters should
be post-reload splitters that require integer immediate operands to be
x86_64_hilo
This isn't really a 'PATCH' yet, it's something I was working on but had
to put on hold. Feel free to re-use any bits or trash all of it if you'd
like.diff --git a/gcc/config/aarch64/aarch64-sve-builtins-base.cc
b/gcc/config/aarch64/aarch64-sve-builtins-base.cc
index
82f9eba5c397af04924bdebdc68
Hi,
This patch is part of the WIP patch that follows in this series. It's
goal is to teach forwprop to handle VLA VEC_PERM_EXPRs with VLS
CONSTRUCTORs as arguments as preparation for the 'VLA constructor' hook
approach.
Kind Regards,
Andrediff --git a/gcc/match.pd b/gcc/match.pd
index
97363
Hi,
This patch changes aarch64_expand_vector_init to use rtx_vector_builder,
exploiting it's internal pattern detection to find 'dup' patterns.
Bootstrapped and regression tested on aarch64-none-linux-gnu.
Is this OK for trunk or should we wait for the rest of the series?
gcc/ChangeLog:
2022-0
Hi,
This enables and makes it more likely the compiler is able to use GPR
input for SIMD inserts. I believe this is some outdated hack we used to
prevent costly GPR<->SIMD register file swaps. This patch is required
for better codegen in situations like the test case 'int8_3' in the next
patc
Hi,
This patch series is a work in progress towards getting the compiler to
generate better code for constructors and dups in both NEON and SVE
targets. It first changes the backend to use rtx_vector_builder for
vector_init's. Then it is followed by some prepraration passes to better
handle
"Roger Sayle" writes:
> This patch to the middle-end's RTL expansion reorders the code in
> emit_store_flag_1 so that the backend has more control over how best
> to expand/split double word equality/inequality comparisons against
> zero or minus one. With the current implementation, the middle-e
This fixes odd SUCCEEDED dumps from the backthreader registry that
can happen even though register_jump_thread cancelled the thread
as invalid.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
* tree-ssa-threadbackward.cc (back_threader::maybe_register_path):
Check whe
Prathamesh Kulkarni writes:
> Hi Richard,
> Following from off-list discussion, in the attached patch, I wrote pattern
> similar to vec_duplicate_reg, which seems to work for the svld1rq tests.
> Does it look OK ?
>
> Sorry, I didn't fully understand your suggestion on integrating with
> vec_dupli
An unsupported_range temporary is instantiated in every Value_Range
for completeness sake and should be mostly a NOP. However, it's
showing up in the callgrind stats, because it's not inline. This
fixes the oversight.
PR tree-optimization/106514
gcc/ChangeLog:
* value-range.cc
[Changes from V1:
- Added a test.]
It is common for C BPF programs to use variables that are implicitly
set by the BPF loader and run-time. It is also necessary for these
variables to be stored in read-only storage so the BPF verifier
recognizes them as such. This leads to declarations using b
Hi Richard,
Following from off-list discussion, in the attached patch, I wrote pattern
similar to vec_duplicate_reg, which seems to work for the svld1rq tests.
Does it look OK ?
Sorry, I didn't fully understand your suggestion on integrating with
vec_duplicate_reg
pattern. For vec_duplicate_reg, t
On Thu, Aug 4, 2022 at 10:57 AM Martin Liška wrote:
>
> After a long time, GNU make has finally implemented named pipes when
> it comes to --jobserver-auth. The traditional approach are
> provided opened file descriptors that causes troubles:
> https://savannah.gnu.org/bugs/index.php?57242
>
> GNU
Loop distribution currently gives up if the outer loop of a loop
nest it analyzes contains a stmt with side-effects instead of
continuing to analyze the innermost loop. The following fixes that
by continuing anyway.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
PR tree-opt
On Fri, 2022-08-05 at 15:58 +0800, Lulu Cheng wrote:
> I think the model of precpu is not very easy to describe.
> model(got)?model(global)?
> I also want to use attribute model and -mcmodel together, but this is just an
> initial idea,
> what do you think?
It seems I had some misunderstanding
On Fri, Aug 5, 2022 at 10:30 AM Jose E. Marchesi
wrote:
>
>
> Hi Richard.
>
> > On Fri, Aug 5, 2022 at 3:27 AM Jose E. Marchesi via Gcc-patches
> > wrote:
> >>
> >>
> >> Hi people!
> >>
> >> First of all, a bit of context.
> >>
> >> It is common for C BPF programs to use variables that are implic
Hi Richard.
> On Fri, Aug 5, 2022 at 3:27 AM Jose E. Marchesi via Gcc-patches
> wrote:
>>
>>
>> Hi people!
>>
>> First of all, a bit of context.
>>
>> It is common for C BPF programs to use variables that are implicitly set
>> by the underlying BPF machinery and not by the program itself. It i
在 2022/8/5 下午3:41, WANG Xuerui 写道:
On 2022/8/5 15:19, Lulu Cheng wrote:
在 2022/8/5 下午2:03, Xi Ruoyao 写道:
On Fri, 2022-08-05 at 12:01 +0800, Lulu Cheng wrote:
在 2022/8/5 上午11:45, Xi Ruoyao 写道:
On Fri, 2022-08-05 at 11:34 +0800, Xi Ruoyao via Gcc-patches wrote:
Or maybe we should just us
On 2022/8/5 15:19, Lulu Cheng wrote:
在 2022/8/5 下午2:03, Xi Ruoyao 写道:
On Fri, 2022-08-05 at 12:01 +0800, Lulu Cheng wrote:
在 2022/8/5 上午11:45, Xi Ruoyao 写道:
On Fri, 2022-08-05 at 11:34 +0800, Xi Ruoyao via Gcc-patches wrote:
Or maybe we should just use a PC-relative addressing with 4 inst
在 2022/8/5 下午2:03, Xi Ruoyao 写道:
On Fri, 2022-08-05 at 12:01 +0800, Lulu Cheng wrote:
在 2022/8/5 上午11:45, Xi Ruoyao 写道:
On Fri, 2022-08-05 at 11:34 +0800, Xi Ruoyao via Gcc-patches wrote:
Or maybe we should just use a PC-relative addressing with 4 instructions
instead of GOT f
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