On 17/07/24 14:00, Andrew Pinski wrote:
> On Wed, Jul 17, 2024 at 5:24 AM Richard Biener
> wrote:
>>
>> On Tue, Jul 16, 2024 at 3:36 PM Eikansh Gupta
>> wrote:
>>>
>>> This patch adds match pattern for `(a ? x : y) eq/ne (b ? x : y)`.
>>> In forwprop1 pass, depending on the type of `a` and `b
On 19/07/24 11:25, Richard Earnshaw (lists) wrote:
> On 11/07/2024 19:31, Richard Sandiford wrote:
>> These tests used to generate:
>>
>> bl swap
>> ldr r2, [sp, #4]
>> mov r0, r2 @ __fp16
>>
>> but g:9d20529d94b23275885f380d155fe8671ab5353a means that we ca
On 02/07/24 16:40, Jeff Law wrote:
> [ Actually attaching the patch this time... ]
>
> The pre-commit testing showed that making ext-dce only active at -O2 and
> above would require minor edits to the tests. In some cases we had specified
> -O1 in the test or specified no optimization level
On 12/12/22 20:52, Segher Boessenkool wrote:
> On Mon, Dec 12, 2022 at 02:10:16PM -0300, Adhemerval Zanella Netto wrote:
>> On 30/11/22 20:24, Segher Boessenkool wrote:
>>> I understand that the casts should be no-ops on the asm side (maybe they
>>> change the sign) a
On 30/11/22 20:24, Segher Boessenkool wrote:
> Hi!
>
> On Wed, Nov 30, 2022 at 03:16:25PM -0300, Adhemerval Zanella via Gcc-patches
> wrote:
>> clang by default rejects the input casts with:
>>
>> error: invalid use of a cast in a inline asm context requiring a
, 325 insertions(+), 259 deletions(-)
diff --git a/include/ChangeLog b/include/ChangeLog
index dda005335c0..747fc923ef5 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,63 @@
+2022-11-30 Adhemerval Zanella
+
+ * include/longlong.h: Modified.
+ [(__GNUC__) &&
On 17/11/2021 10:40, Florian Weimer wrote:
> * Adhemerval Zanella via Libc-alpha:
>
>> However the code is somewhat complex and I would like to have some feedback
>> if gcc will be willing to accept this change (I assume it would require
>> this code merge on glibc bef
On 03/11/2021 13:28, Florian Weimer via Gcc-patches wrote:
> This function is similar to __gnu_Unwind_Find_exidx as used on arm.
> It can be used to speed up the libgcc unwinder.
Besides the terse patch description, the design seems ok to accomplish the
lock-free read and update. There are som
Maybe add a comment why this is will be used.
Reviewed-by: Adhemerval Zanella
On 03/11/2021 13:27, Florian Weimer via Gcc-patches wrote:
> ---
> elf/Makefile | 2 +-
> elf/dl-libc_freeres.c | 24
> elf/rtld.c | 1 +
&
ry.
>
> The debug output in nptl/tst-cond22 has been adjusted to print
> the 32-bit values instead because it avoids a big-endian/little-endian
> difference.
LGTM, thanks.
Reviewed-by: Adhemerval Zanella
> ---
> bits/atomic_wide_counter.h | 35
&g
Ping (with Szabolcs remarks fixed).
On 07/02/2018 16:07, Adhemerval Zanella wrote:
> Changes from previous version:
>
> - Changed the wait to call __morestack to use use a branch with link
> instead of a simple branch. This allows use a call instruction and
> avoid
On 23/02/2018 11:39, Jakub Jelinek wrote:
> On Fri, Feb 23, 2018 at 11:27:19AM -0300, Adhemerval Zanella wrote:
>> This patch adds asan support for aarch64 ilp32. It is based on 'official'
>> glibc support branch [1] (which is in turn based on Linux branch [2]
This patch adds asan support for aarch64 ilp32. It is based on 'official'
glibc support branch [1] (which is in turn based on Linux branch [2]).
Main changes for libsanitizer is the kernel ABI support for internal
syscalls. Different than x32, ILP32 tries to leverage 32-bits syscalls
with kernel
On 13/02/2018 13:13, Szabolcs Nagy wrote:
> On 07/02/18 18:07, Adhemerval Zanella wrote:
> 5. The TCB support on GLIBC is meant to be included in version 2.28.
>>
> ...
>> +/* -fsplit-stack uses a TCB field available on glibc-2.27. GLIBC also
>> + exports symbol,
Changes from previous version:
- Changed the wait to call __morestack to use use a branch with link
instead of a simple branch. This allows use a call instruction and
avoid possible issues with later optimization passes which might
see a branch outside the instruction block (as noti
On 09/10/2017 19:20, Joseph Myers wrote:
> On Mon, 9 Oct 2017, Adhemerval Zanella wrote:
>
>> *-*-linux*)
>> case ${target} in
>> -aarch64*-* | i[34567]86-* | powerpc*-* | s390*-* | sparc*-* | x86_64-*)
>> +aarch64*-* | i[34567]86-* | powerpc*-*
glibc patch to
support using the attribute on ARM) with build-many-glibcs.py (with
a patch to add a armv7 variant which enables multiarch). I have
not run the GCC tests for ARM.
Adhemerval Zanella
* config.gcc (default_gnu_indirect_function): Default to yes for
arm
Ping.
On 26/07/2017 16:08, Adhemerval Zanella wrote:
> This is an update patch based on my previous submission [1]. The changes
> from previous version are:
>
> - Update aarch64_supports_split_stack to return true an let the loader
> to actually emit an error if it does
This is an update patch based on my previous submission [1]. The changes
from previous version are:
- Update aarch64_supports_split_stack to return true an let the loader
to actually emit an error if it does not provide the required TCB
field. The TCB field support is planed for GLIBC
A recent GLIBC fix for sparc [1] made some configuration to show
an executable stack on ld.so (shown on elf/check-execstack testcase
failure).
It is because with generated sparc toolchain from build-many-glibcs.py
(a GLIBC script to produce cross-compiling toolchains) the minimum
supported sparc32
Ping.
On 15/02/2017 21:23, Adhemerval Zanella wrote:
> This is an update patch from my previous version (v3) based mainly on
> glibc comments on exported loader symbol [1]. The changes from previous
> version are:
>
>- Remove __tcb_private_ss call on libgcc and emit
This is an update patch from my previous version (v3) based mainly on
glibc comments on exported loader symbol [1]. The changes from previous
version are:
- Remove __tcb_private_ss call on libgcc and emit a data usage on
glibc symbol when split-stack is used. This removes the runtime
Changes from previous version:
- The split-stack are is now allocated before the thread pointer
(instead of tcbhead_t which is positioned after it) as decribed
in glibc patch [1]. It has the advantage to not require linker
changes to take in consideration the new tcbhead_t size and
On 25/01/2017 10:10, Jiong Wang wrote:
> On 24/01/17 18:05, Adhemerval Zanella wrote:
>>
>> On 03/01/2017 13:13, Wilco Dijkstra wrote:
>>
>>> + /* If function uses stacked arguments save the old stack value so
>>> morestack
>>> + can
On 03/01/2017 13:13, Wilco Dijkstra wrote:
> Adhemerval Zanella wrote:
>
> Sorry for the late reply - but I think it's getting there. A few more
> comments:
No worries.
>
> + /* If function uses stacked arguments save the old stack value so morestack
> + can
On 15/11/2016 16:38, Wilco Dijkstra wrote:
>
> On 07/11/2016 16:59, Adhemerval Zanella wrote:
>> On 14/10/2016 15:59, Wilco Dijkstra wrote:
>
>> There is no limit afaik on gold split stack allocation handling,
>> and I think one could be added for each backend
Ping.
On 07/11/2016 16:59, Adhemerval Zanella wrote:
>
>
> On 14/10/2016 15:59, Wilco Dijkstra wrote:
>> Hi,
>>
>
> Thanks for the thoughtful review and sorry for late response.
>
>>> Split-stack prologue on function entry is as follow (this goes
s stores a random x30 value on the stack, what is the purpose of this?
> Nothing can unwind
> to here:
>
> + # Start using new stack
> + stp x29, x30, [x0, -16]!
> + mov sp, x0
>
> Also we no longer need split_stack_arg_pointer_used_p () or any code that
&g
From: Adhemerval Zanella
Changes from previous version:
* Add missing new function comments;
* Using gen_rtx_fmt_ee instead of gen_rtx_IF_THEN_ELSE to create
conditional jumps;
* Some typos and withspace issues.
--
This patch adds the split-stack support on aarch64 (PR #67877). As for
This test adds the expect va_end after va_start on split-stack tests.
gcc/ChangeLog:
* gcc/testsuite/gcc.dg/split-3.c (down): Call va_end after va_start.
* gcc/testsuite/gcc.dg/split-6.c (down): Likewise.
---
gcc/ChangeLog | 5 +
gcc/testsuite/gcc.dg/split-3.
On 07/10/2016 05:28, Kyrill Tkachov wrote:
> Hi Adhemerval,
>
> CC'ing the aarch64 maintainers/reviewers.
> I have some comments inline, mostly about the GCC coding conventions.
Thanks for the review.
>> diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
>> index df6514d.
From: Adhemerval Zanella
Changes from previous version:
- Rewrite how to setup variadic argument: instead of using the
hard_fp_offset value to setup the x10, save a fp value before stack
allocation instead. This allows linker/gold to not require scan
and change in case of split to
On 08/08/2016 07:58, Jiong Wang wrote:
>
> Adhemerval Zanella writes:
>
>>> diff --git a/gcc/config/aarch64/aarch64.c b/gcc/config/aarch64/aarch64.c
>>> index e56398a..2cf239f 100644
>>> --- a/gcc/config/aarch64/aarch64.c
>>> +++ b/gcc/con
Ping.
On 28/07/2016 17:36, Adhemerval Zanella wrote:
> From: Adhemerval Zanella
>
> This patch adds the split-stack support on aarch64 (PR #67877). As for
> other ports this patch should be used along with glibc and gold support.
>
> The support is done similar to othe
From: Adhemerval Zanella
This patch adds the split-stack support on aarch64 (PR #67877). As for
other ports this patch should be used along with glibc and gold support.
The support is done similar to other architectures: a __private_ss field is
added on TCB in glibc, a target-specific
On 14-10-2015 04:54, Jakub Jelinek wrote:
> On Tue, Oct 13, 2015 at 07:54:33PM +0300, Maxim Ostapenko wrote:
>> On 13/10/15 14:15, Maxim Ostapenko wrote:
>>> This is the raw merge itself. I'm bumping SONAME to libasan.so.3.
>>>
>>> -Maxim
>>
>> I have just noticed that I've misused autoconf stuff
gcc/ChangeLog:
* config/rs6000/htm.md (tcheck): Fix assembly encoding.
gcc/testsuite/ChangeLog
* gcc.target/powerpc/htm-builtin-1.c: Fix tcheck expect value.
---
diff --git a/gcc/config/rs6000/htm.md b/gcc/config/rs6000/htm.md
index 2c4689f..79fb740 100644
--- a/gcc/config/rs60
On 03-09-2014 11:01, Maciej W. Rozycki wrote:
> On Tue, 2 Sep 2014, Adhemerval Zanella wrote:
>
>> Ping.
>>
>> On 19-08-2014 13:54, Adhemerval Zanella wrote:
>>> Ping.
>>>
>>> On 06-08-2014 17:21, Adhemerval Zanella wrote:
>>>> On 01-
Ping.
On 19-08-2014 13:54, Adhemerval Zanella wrote:
> Ping.
>
> On 06-08-2014 17:21, Adhemerval Zanella wrote:
>> On 01-08-2014 12:31, Joseph S. Myers wrote:
>>> On Thu, 31 Jul 2014, David Edelsohn wrote:
>>>
>>>> Thanks for implementing the FENV supp
Ping.
On 06-08-2014 17:21, Adhemerval Zanella wrote:
> On 01-08-2014 12:31, Joseph S. Myers wrote:
>> On Thu, 31 Jul 2014, David Edelsohn wrote:
>>
>>> Thanks for implementing the FENV support. The patch generally looks
>>> good to me.
>>>
>>>
testcase patch is the same as before.
Checked on both linux-powerpc64/powerpc64le and no regressions found.
--
2014-08-06 Adhemerval Zanella
gcc:
* config/rs6000/rs6000.c (rs6000_atomic_assign_expand_fenv): New
function.
gcc/testsuite:
* gcc.dg/
Ping.
On 03-07-2014 18:08, Adhemerval Zanella wrote:
> This patch implements the TARGET_ATOMIC_ASSIGN_EXPAND_FENV for
> powerpc-fpu. I have to adjust current c11-atomic-exec-5 testcase
> because for IBM long double 0 += LDBL_MAX might generate
> overflow/underflow in interna
Hi,
This patch adds myself to the MAINTAINERS file. Commmitted as 212652.
--
2014-07-16 Adhemerval Zanella mailto:azanella%40linux.vnet.ibm.com>>
* MAINTAINERS (Write After Approval): Add myself.
---
--- trunk/MAINTAINERS 2014/07/16 14:21:34 212651
+++ trunk/MAINT
, checked on
powerpc32-linux-fpu, powerpc64-linux, and powerpc64le-linux.
--
2014-07-03 Adhemerval Zanella
gcc:
* config/rs6000/rs6000.c (rs6000_atomic_assign_expand_fenv): New
function.
gcc/testsuite:
* gcc.dg/atomic/c11-atomic-exec-5.c
On 20-11-2013 14:23, David Edelsohn wrote:
> On Wed, Nov 20, 2013 at 9:11 AM, Adhemerval Zanella
> wrote:
>
>> libgcc/ChangeLog:
>>
>> 2013-11-20 Adhemerval Zanella
>>
>> * config/rs6000/ibm-ldouble.c (__gcc_qadd): Fix add
>> of n
Hi,
This is a reformatted patch after Ulrich review:
---
libgcc/ChangeLog:
2013-11-20 Adhemerval Zanella
* config/rs6000/ibm-ldouble.c (__gcc_qadd): Fix add
of normal number and qNaN to not raise an inexact exception.
gcc/testsuite/ChangeLog:
2013-11-20 Adhemerval
On 18-11-2013 18:10, Ulrich Weigand wrote:
> Adhemerval Zanella wrote:
>
>> 2013-11-15 Adhemerval Zanella *
>> libgcc/config/rs6000/ibm-ldouble.c (__gcc_qadd): Fix add of normal number
>> and qNaN to not raise an inexact exception. *
>> gcc/testsuite/gcc.targ
he patch):
>
> Bye,
> Ulrich
>
Here it is with updated ChangeLog. Tested on PPC32 and PPC64. The testcase
fails at runtime without the fix with a FLoating-Point Exception.
---
2013-11-15 Adhemerval Zanella
* libgcc/config/rs6000/ibm-ldouble.c (__gcc_qadd): Fix add
of
ACT_EXCEPTION),
TEST_ff_f (nexttoward, 1.1L, qnan_value, qnan_value, NO_INEXACT_EXCEPTION),
Fix tested on PPC32 and PPC64.
---
2013-11-15 Adhemerval Zanella
* libgcc/config/rs6000/ibm-ldouble.c (__gcc_qadd): Fix add
of normal number and sNaN to not raise an inexact exception.
---
d
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