On 10/07/2022 08:59, Jeff Law via Gcc-patches wrote:
On 3/9/2022 5:39 PM, Siddhesh Poyarekar wrote:
The size argument larger than size of SRC for strnlen and strndup is
problematic only if SRC is not NULL terminated, which invokes undefined
behaviour. In all other cases, as long as SRC is lar
On 7/9/2022 2:52 PM, Lewis Hyatt via Gcc-patches wrote:
Hello-
PR97498 (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97498) is another PR
related to the fact that imprecise locations for _Pragma result in
counterintuitive behavior for GCC diagnostic pragmas, which inhibit the
ability to make
On Sun, 2022-07-10 at 10:20 +0800, Lulu Cheng wrote:
>
> 在 2022/7/7 上午10:23, Xi Ruoyao 写道:
> > We were generating some unnecessary instructions for integer
> > division.
> > These two patches improve the code generation to compile
> >
> > template T div(T a, T b) { return a / b; }
> >
> >
On Sun, 2022-07-10 at 09:45 +0800, Lulu Cheng wrote:
>
> 在 2022/7/9 上午10:56, Xi Ruoyao 写道:
> > v3: Relax scan-assembler pattern in test case mulw_d_w.c. It's
> > because
> > multiplication is Abelian and the compiler may switch the order of
> > operands in the future.
> > -- >8 --
> >
> > (mult
On 7/9/2022 1:31 PM, Aldy Hernandez wrote:
On Sat, Jul 9, 2022 at 6:16 PM Jeff Law via Gcc-patches
wrote:
On 7/6/2022 11:10 AM, Aldy Hernandez via Gcc-patches wrote:
Currently SSA_NAME_RANGE_INFO only handles integer ranges, and loses
half the precision in the process because its use of l
On 3/21/2022 10:14 AM, Tom de Vries via Gcc-patches wrote:
On 3/21/22 14:49, Richard Biener wrote:
On Mon, Mar 21, 2022 at 12:50 PM Tom de Vries wrote:
On 3/21/22 08:58, Richard Biener wrote:
On Thu, Mar 17, 2022 at 4:10 PM Tom de Vries via Gcc-patches
wrote:
On 3/9/22 13:50, Tom de Vr
On 3/9/2022 5:39 PM, Siddhesh Poyarekar wrote:
The size argument larger than size of SRC for strnlen and strndup is
problematic only if SRC is not NULL terminated, which invokes undefined
behaviour. In all other cases, as long as SRC is large enough to have a
NULL char (i.e. size 1 or more),
On 1/9/2022 2:26 PM, Serge Belyshev wrote:
Ping: [PATCH] Add --enable-first-stage-cross configure option
https://gcc.gnu.org/pipermail/gcc-patches/2021-July/575318.html
Add --enable-first-stage-cross configure option
Build static-only, C-only compiler that is sufficient to cross compile
gli
在 2022/7/7 上午10:23, Xi Ruoyao 写道:
We were generating some unnecessary instructions for integer division.
These two patches improve the code generation to compile
template T div(T a, T b) { return a / b; }
into a single division instruction (along with a return instruction of
course) as
在 2022/7/9 上午10:56, Xi Ruoyao 写道:
v3: Relax scan-assembler pattern in test case mulw_d_w.c. It's because
multiplication is Abelian and the compiler may switch the order of
operands in the future.
-- >8 --
(mult (sign_extend:DI rj:SI) (sign_extend:DI rk:SI)) should be
"mulw.d.w", not "mul.d".
Hello-
PR97498 (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97498) is another PR
related to the fact that imprecise locations for _Pragma result in
counterintuitive behavior for GCC diagnostic pragmas, which inhibit the
ability to make convenient wrapper macros for enabling and disabling
diagnost
On Sat, Jul 9, 2022 at 6:16 PM Jeff Law via Gcc-patches
wrote:
>
>
>
> On 7/6/2022 11:10 AM, Aldy Hernandez via Gcc-patches wrote:
> > Currently SSA_NAME_RANGE_INFO only handles integer ranges, and loses
> > half the precision in the process because its use of legacy
> > value_range's. This patch
The fast union operation is sometimes setting a range of the entire
domain, but leaving the kind bit as VR_RANGE instead of downgrading it
to VR_VARYING.
Tested on x86-64 Linux.
gcc/ChangeLog:
* value-range.cc (irange::irange_single_pair_union): Set
VR_VARYING when appropriate.
-
On 3/16/2022 6:49 PM, Zhao Wei Liew via Gcc-patches wrote:
Thanks for the detailed review. I have uploaded patch v2 based on the review.
v1: https://gcc.gnu.org/pipermail/gcc-patches/2022-February/590604.html
Changes since v1:
1. Add patterns for the cases CST / (T)x and (T)x / CST as well. F
On 3/29/2022 8:10 AM, Paul Iannetta via Gcc-patches wrote:
Hi,
While working on the Kalray port of gcc, I noticed that the hook
TARGET_ASM_FINAL_POSTSCAN_INSN is not called after emitting an instruction
coming from a basic asm block. Here is a patch which fixes this behavior.
The followin
On 5/5/2022 8:41 PM, Alexandre Oliva via Gcc-patches wrote:
On May 5, 2022, Segher Boessenkool wrote:
On Thu, May 05, 2022 at 03:52:01AM -0300, Alexandre Oliva wrote:
+ else if (reg && MEM_P (reg)
+ && STRICT_ALIGNMENT && MEM_ALIGN (reg) < GET_MODE_ALIGNMENT (omode))
+return
On 6/27/2022 2:04 AM, Vit Kabele wrote:
gcc/ChangeLog:
* stor-layout.cc (finalize_record_size): Extend warning message.
gcc/testsuite/ChangeLog:
* c-c++-common/Wpadded.c: New test.
Thanks. I've pushed this to the trunk.
jeff
On 7/6/2022 11:10 AM, Aldy Hernandez via Gcc-patches wrote:
Currently SSA_NAME_RANGE_INFO only handles integer ranges, and loses
half the precision in the process because its use of legacy
value_range's. This patch rewrites all the SSA_NAME_RANGE_INFO
(nonzero bits included) to use the recent
On 7/8/2022 5:14 AM, Martin Liška wrote:
On 5/25/22 07:37, Alexandre Oliva wrote:
On May 24, 2022, Martin Liška wrote:
Allways install limits.h and syslimits.h header files
to include folder.
typo: s/Allways/Always/
Hello.
Fixed.
I'm a little worried about this bit, too. limitx.h inc
On 7/7/2022 7:59 AM, Sam Feifer via Gcc-patches wrote:
Hi!
This patch is meant to solve a missed optimization in match.pd. It optimizes the following
expression: n - (((n > 63) ? n : 63) & -64) where the constant being negated (in this case
-64) is a power of 2 and the sum of the two consta
On 6/21/2022 12:12 PM, Noah Goldstein via Gcc-patches wrote:
This patch allows for strchr(x, c) to the replace with memchr(x, c,
strlen(x) + 1) if strlen(x) has already been computed earlier in the
tree.
Handles PR95821: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95821
Since memchr doesn't
On Sat, 9 Jul 2022 at 13:26, François Dumont via Libstdc++
wrote:
>
> libstdc++: Remove obsolete comment in header
>
> The comment is obsolete because char_traits.h do not include
> stl_algobase.h
> anymore and stl_algobase.h is included directly from a few
> lines
> below.
N
On Sat, 9 Jul 2022, Xi Ruoyao wrote:
> On Fri, 2022-07-08 at 21:42 -0400, Hans-Peter Nilsson wrote:
> > On Fri, 1 Jul 2022, Dimitrije Milosevic wrote:
> >
> > > Fix kernel_stat structure size for non-Android 32-bit Mips.
> > > LLVM currently has this value for the kernel_stat structure size,
> > >
libstdc++: Remove obsolete comment in header
The comment is obsolete because char_traits.h do not include
stl_algobase.h
anymore and stl_algobase.h is included directly from a few
lines
below.
libstdc++-v3/ChangeLog:
* include/std/string: Remove obsolete comm
This patch upgrades x86_64's scalar-to-vector (STV) pass to more
aggressively transform 128-bit scalar TImode operations into vector
V1TImode operations performed on SSE registers. TImode functionality
already exists in STV, but only for move operations, this changes
brings support for logical op
A very brief update to say that I've merged the new linking
implementation back onto the devel/modula-2 branch,
regards,
Gaius
On Sat, Jul 9, 2022 at 11:26 AM Roger Sayle wrote:
>
>
> This is a backport of the fix for PR target/105930 from mainline to the
> gcc12 release branch. This patch has been retested against the gcc12
> branch on x86_64-pc-linux-gnu with make bootstrap and make -k check,
> both with and without --
This is a backport of the fix for PR target/105930 from mainline to the
gcc12 release branch. This patch has been retested against the gcc12
branch on x86_64-pc-linux-gnu with make bootstrap and make -k check,
both with and without --target_board=unix{-m32} with no new failures.
Ok for the gcc12
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