[PATCH] Define which threading model is in use on Windows

Hi all, Please review a trivial change that defines which threading model is used on Windows, so applications can check it. This is also useful for system headers, since some headers should be switched off if pthread is the threading model (Currently they are included unconditionally on Windows).

RE: [PATCH][v2] tree-optimization/115144 - improve sinking destination choice

Hi Richard, Looks this commit may result one ICE similar as below when build the newlib, feel free to ping me if you need one PR for this. CC RISC-V port for awareness. In file included from /home/pli/gcc/111/riscv-gnu-toolchain/newlib/newlib/libc/stdlib/setenv_r.c:26: /home/pli/gcc/111/riscv-

[C23 PATCH, v2] fix aliasing for structures/unions with incomplete types

This is the patch I sent previously, but I tried to improve the description and added a long comment. This patch is needed so that we do not have to update TYPE_CANONICAL of structures / unions when a tagged type is completed that is (recursively) pointed to  by a member of the structure / union

[C23 PATCH]: allow aliasing for types derived from structs with variable size

This is similar to the enum issue, where setting the alias set to zero is insufficient because also derived types need to be able to alias. After this change, it is also possible to add checking assertions that verify TYPE_CANONICAL for all tagged types at end of each call to the comptypes famil

[PATCH] c++/modules: Prevent revealing a using-decl affecting cached overloads [PR114867]

Is this approach OK? Alternatively I suppose we could do a deep copy of the overload list when this occurs to ensure we don't affect existing referents, would that be preferable? Bootstrapped and regtested (so far just modules.exp) on x86_64-pc-linux-gnu, OK for trunk if full regtest succeeds? -

Re: [PATCH v1] Gen-Match: Fix gen_kids_1 right hand braces mis-alignment

On 5/25/24 6:39 PM, pan2...@intel.com wrote: From: Pan Li Notice some mis-alignment for gen_kids_1 right hand braces as below: if ((_q50 == _q20 && ! TREE_SIDE_EFFECTS (... { if ((_q51 == _q21 && ! TREE_SIDE_EFFECTS

Re: [PATCH] libcpp: Correct typo 'r' -> '\r'

On 5/25/24 11:16 AM, Peter Damianov wrote: libcpp/ChangeLog: * lex.cc (do_peek_prev): Correct typo in argument to __builtin_expect() THanks. I've pushed this to the trunk. jeff

Re: [PATCH] gimple-vr-values:Add constraint for gimple-cond optimization

On 11/22/23 10:47 PM, Feng Wang wrote: This patch add another condition for gimple-cond optimization. Refer to the following test case. int foo1 (int data, int res) { res = data & 0xf; res |= res << 4; if (res < 0x22) return 0x22; return res; } with the compilation flag "-marc

Re: [PATCH][v2] tree-optimization/115144 - improve sinking destination choice

Relevant bugzilla: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115220 Patrick On Sun, May 26, 2024 at 2:30 AM Li, Pan2 wrote: > > Hi Richard, > > Looks this commit may result one ICE similar as below when build the newlib, > feel free to ping me if you need one PR for this. > > CC RISC-V port

Re: [PATCH] Support libcall __float{,un}sibf by SF when it is not supported for _bf16

On 12/20/23 4:17 AM, Jin Ma wrote: We don't have SI -> BF library functions, use SI -> SF -> BF instead. Although this can also be implemented in a target machine description, it is more appropriate to move into target independent code. gcc/ChangeLog: * optabs.cc (expand_float): Spli

Re: [PATCHv2 1/2] libiberty/buildargv: POSIX behaviour for backslash handling

On 2/10/24 10:26 AM, Andrew Burgess wrote: GDB makes use of the libiberty function buildargv for splitting the inferior (program being debugged) argument string in the case where the inferior is not being started under a shell. I have recently been working to improve this area of GDB, and hav

Re: [PATCHv2 2/2] libiberty/buildargv: handle input consisting of only white space

On 2/10/24 10:26 AM, Andrew Burgess wrote: GDB makes use of the libiberty function buildargv for splitting the inferior (program being debugged) argument string in the case where the inferior is not being started under a shell. I have recently been working to improve this area of GDB, and not

Re: [PATCH] jit: Ensure ssize_t is defined.

ping > Le 11 mai 2024 à 17:16, FX Coudert a écrit : > > Hi, > > On some targets it seems that ssize_t is not defined by any of the headers > transitively included by . This leads to a bootstrap fail when jit > is enabled. The attached patch fixes it by include . Other > headers in GCC treat

[to-be-committed] [RISC-V] Try inverting for constant synthesis

So there's another class of constants we're failing to synthesize well. Specifically those where we can invert our original constant C into C' and C' takes at least 2 fewer instructions to synthesize than C. In that case we can initially generate C', then use xori with the constant -1 to flip

Re: [RFC/RFA][PATCH 00/12] CRC optimization

On Fri, May 24, 2024, 04:42 Mariam Arutunian wrote: > Hello! > This patch set detects bitwise CRC implementation loops (with branches) in > the GIMPLE optimizers and replaces them with more optimal CRC > implementations in RTL. These patches introduce new internal functions, > built-in functions,

[to-be-committed][RISC-V] Reassociate constants in logical ops

This patch from Lyut will reassociate operands when we have shifted logical operations. This can simplify a constant that may not be fit in a simm12 into a form that does fit into a simm12. The basic work was done by Lyut. I generalized it to handle XOR/OR. It stands on its own, but also hel

[pushed] wwwdocs: *: Update URL for ROOT project at CERN

Not exactly the download for the specific release, but then a more stable URL. Pushed. Gerald --- htdocs/gcc-3.1/criteria.html | 3 +-- htdocs/gcc-3.3/criteria.html | 3 +-- htdocs/gcc-3.4/criteria.html | 3 +-- 3 files changed, 3 insertions(+), 6 deletions(-) diff --git a/htdocs/gcc-3.1/crit

[pushed] doc: Quote singular '=' signs

Based on a conversation with Joseph years ago. gcc: * doc/extend.texi (Attribute Syntax): Use @samp{=} instead of @code{=}. (Extended Asm): Ditto. --- gcc/doc/extend.texi | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/gcc/doc/extend.texi b/gcc/doc/extend

[pushed] wwwdocs: news: Move www.multiprecision.org to https

Not sure why all these showed up within a few weeks. Anyway, pushed. Gerald --- htdocs/news.html | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/htdocs/news.html b/htdocs/news.html index fb34e64a..af30872b 100644 --- a/htdocs/news.html +++ b/htdocs/news.html @@ -622,7 +622,7

[pushed] wwwdocs: news: Google+ is no more

Keep the reference as text; just not the link. Gerald --- htdocs/news.html | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/htdocs/news.html b/htdocs/news.html index af30872b..09dd2424 100644 --- a/htdocs/news.html +++ b/htdocs/news.html @@ -393,8 +393,7 @@ [2013-08-08]

[pushed] wwwdocs: news: Drop reference to www.gccsummit.org

This is a perfect example why maintaining links is important. The domain appears to have changed owners and now appears very spammy. Pushed. Gerald --- htdocs/news.html | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/htdocs/news.html b/htdocs/news.html index 09dd2424..d21685

[pushed] go: Move web references from golang.org to go.dev.

Caught by my latest link checker... gcc/go: * gccgo.texi (Top): Move a web reference from golang.org to go.dev. (C Interoperability): Move a web reference from golang.org to pkg.go.dev. --- gcc/go/gccgo.texi | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff

[pushed] wwwdocs: testing: Move buildbot.net to https

Pushed. Gerald --- htdocs/testing/index.html | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/htdocs/testing/index.html b/htdocs/testing/index.html index 012ac287..bf031c22 100644 --- a/htdocs/testing/index.html +++ b/htdocs/testing/index.html @@ -117,7 +117,7 @@ the testsuite

[pushed] wwwdocs: gcc-12: Make reference to problem reporting more general

Don't link to Bugzilla directly (nor refer to it directly). Pushed. Gerald --- htdocs/gcc-12/changes.html | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/htdocs/gcc-12/changes.html b/htdocs/gcc-12/changes.html index 0cfa12eb..2f790e0b 100644 --- a/htdocs/gcc-12/changes.ht

[PATCH 1/2] Match: Add maybe_bit_not instead of plain matching

While working on adding matching of negative expressions of `a - b`, I noticed that we started to have "duplicated" patterns due to not having a way to match maybe negative expressions. So I went back to what I did for bit_not and decided to improve the situtation there so for some patterns where w

[PATCH 2/2] match: Add support for `a ^ CST` to bitwise_inverted_equal_p [PR115224]

While looking into something else, I noticed that `a ^ CST` needed to be special casing to bitwise_inverted_equal_p as it would simplify to `a ^ ~CST` for the bitwise not. Bootstrapped and tested on x86_64-linux-gnu with no regressions. PR tree-optimization/115224 gcc/ChangeLog:

[PATCH] Don't simplify NAN/INF or out-of-range constant for FIX/UNSIGNED_FIX.

Update in V2: Guard constant folding for overflow value in fold_convert_const_int_from_real with flag_trapping_math. Add -fno-trapping-math to related testcases which warn for overflow in conversion from floating point to integer. Bootstrapped and regtested on x86_64-pc-linux-gnu{-m32,}. Ok for tr

[PATCH] x86: Fix Logical Shift Issue in expand_vec_perm_psrlw_psllw_por [PR115146]

https://gcc.gnu.org/pipermail/gcc-patches/2024-May/652231.html Ok for this. -- BR, Hongtao

Re: [PATCH 0/2] Align tight loops to solve cross cacheline issue

On Mon, May 20, 2024 at 11:15 AM Hongtao Liu wrote: > > On Wed, May 15, 2024 at 11:30 AM Jiang, Haochen > wrote: > > > > Also cc Honza and Richard since we touched generic tune. > > > > Thx, > > Haochen > > > > > -Original Message- > > > From: Haochen Jiang > > > Sent: Wednesday, May 15

RE: [PATCH v1] Gen-Match: Fix gen_kids_1 right hand braces mis-alignment

Committed, thanks Jeff. Pan -Original Message- From: Jeff Law Sent: Sunday, May 26, 2024 9:59 PM To: Li, Pan2 ; gcc-patches@gcc.gnu.org Cc: juzhe.zh...@rivai.ai; kito.ch...@gmail.com; richard.guent...@gmail.com Subject: Re: [PATCH v1] Gen-Match: Fix gen_kids_1 right hand braces mis-ali

Re: [PATCH 2/13] rs6000, Remove __builtin_vsx_xvcvspsxws built-in

Hi Carl, on 2024/5/25 04:18, Carl Love wrote: > Kewen: > > On 5/14/24 01:43, Kewen.Lin wrote: >> Hi, >> >> on 2024/4/20 05:17, Carl Love wrote: >>> rs6000, Remove __builtin_vsx_xvcvspsxws built-in >>> >>> The built-in __builtin_vsx_xvcvspsxws is a duplicate of the vec_signed >>> built-in that is

Ping^2 [PATCH-1, rs6000] Add a new type of CC mode - CCBCD for bcd insns [PR100736, PR114732]

Hi, Gently ping them. Thanks Gui Haochen 在 2024/5/13 9:56, HAO CHEN GUI 写道: > Hi, > Gently ping the series of patches. > [PATCH-1, rs6000]Add a new type of CC mode - CCBCD for bcd insns [PR100736, > PR114732] > https://gcc.gnu.org/pipermail/gcc-patches/2024-April/650217.html > [PATCH-2, rs60

Re: [PATCH 2/3] vect: Support v4hi -> v4qi.

On Thu, May 23, 2024 at 2:38 PM Hu, Lin1 wrote: > > gcc/ChangeLog: > > PR target/107432 > * config/i386/mmx.md (truncv4hiv4qi2): New define_insn. > > gcc/testsuite/ChangeLog: > > PR target/107432 > * gcc.target/i386/pr107432-6.c: Add test. > --- > gcc/config/i386/mmx.md

Ping [PATCHv2] Optab: add isfinite_optab for __builtin_isfinite

Hi, Gently ping it. https://gcc.gnu.org/pipermail/gcc-patches/2024-May/652170.html Thanks Gui Haochen 在 2024/5/20 16:15, HAO CHEN GUI 写道: > Hi, > This patch adds an optab for __builtin_isfinite. The finite check can be > implemented on rs6000 by a single instruction. It needs an optab to be >

Ping [PATCHv2] Optab: add isnormal_optab for __builtin_isnormal

Hi, Gently ping it. https://gcc.gnu.org/pipermail/gcc-patches/2024-May/652172.html Thanks Gui Haochen 在 2024/5/20 16:15, HAO CHEN GUI 写道: > Hi, > This patch adds an optab for __builtin_isnormal. The normal check can be > implemented on rs6000 by a single instruction. It needs an optab to be >

Ping [PATCH-1v2] Value Range: Add range op for builtin isinf

Hi, Gently ping the series of patches which add range op. [PATCH-1v2] Value Range: Add range op for builtin isinf https://gcc.gnu.org/pipermail/gcc-patches/2024-May/652219.html [PATCH-2v3] Value Range: Add range op for builtin isfinite https://gcc.gnu.org/pipermail/gcc-patches/2024-May/652220.ht

Ping^2 [Patch, rs6000] Enable overlap memory store for block memory clear

Hi, Gently ping it. https://gcc.gnu.org/pipermail/gcc-patches/2024-February/646478.html Thanks Gui Haochen 在 2024/5/8 9:55, HAO CHEN GUI 写道: > Hi, > As now it's stage 1, gently ping this: > https://gcc.gnu.org/pipermail/gcc-patches/2024-February/646478.html > > Thanks > Gui Haochen > > 在 20

Re: [PATCH v2] add explicit ABI and align options to pr88233.c

Hi, on 2024/4/22 17:38, Alexandre Oliva wrote: > Ping? > https://gcc.gnu.org/pipermail/gcc-patches/2021-March/566530.html > (modified version follows) Segher originated this test case, I was expecting he can chime in this. :) > > > We've observed failures of this test on powerpc configurations

Re: [PATCH v2] [testsuite] [powerpc] adjust -m32 counts for fold-vec-extract*

Hi, on 2024/4/22 18:11, Alexandre Oliva wrote: > Ping?-ish > https://gcc.gnu.org/pipermail/gcc-patches/2023-May/619678.html > > It's that time of the year again. The good news is that this is the > last patch in my ppc*-vxworks7* set ;-) > > On May 25, 2023, Segher Boessenkool wrote: > >> On

Re: [PATCHv2] Optab: add isfinite_optab for __builtin_isfinite

Hi, on 2024/5/20 16:15, HAO CHEN GUI wrote: > Hi, > This patch adds an optab for __builtin_isfinite. The finite check can be > implemented on rs6000 by a single instruction. It needs an optab to be > expanded to the certain sequence of instructions. > > The subsequent patches will implement t

Re: [PATCH v3 #1/2] [rs6000] adjust return_pc debug attrs

Hi, on 2024/5/25 20:13, Alexandre Oliva wrote: > On Apr 27, 2023, Alexandre Oliva wrote: > >> On Apr 14, 2023, Alexandre Oliva wrote: >>> On Mar 23, 2023, Alexandre Oliva wrote: This patch introduces infrastructure for targets to add an offset to the label issued after the call_insn

[PATCH] match: Use uniform_integer_cst_p in bitwise_inverted_equal_p [PR115238]

I noticed while working on the `a ^ CST` patch, that bitwise_inverted_equal_p would check INTEGER_CST directly and not handle vector csts that are uniform. This moves over to using uniform_integer_cst_p instead of checking INTEGER_CST directly. Bootstrapped and tested on x86_64-linux-gnu with no r

[committed v2 0/2] VAX: Fix issues with FP format option documentation

Hi, As reported in PR target/79646 and fixed by a change proposed by Abe we have a couple of issues with the descriptions of the VAX floating-point format options in the option definition file. Additionally most of these options are not documented in the manual. This mini patch series addre

[committed v2 1/2] vax: Fix descriptions of the FP format options [PR79646]

From: Abe Skolnik Replace "Target" with "Generate" consistently and place a hyphen in "double-precision" as this is used as an adjective here. gcc/ChangeLog: PR target/79646 * config/vax/vax.opt (md, md-float, mg, mg-float): Correct descriptions. --- Changes from v1:

[committed v2 2/2] VAX/doc: Fix issues with FP format option documentation

Use the correct names of the D_floating and G_floating data formats as per the VAX ISA nomenclature[1]. Document the `-md', `-md-float', and `-mg-float' options. References: [1] DEC STD 032-0 "VAX Architecture Standard", Digital Equipment Corporation, A-DS-EL-00032-00-0 Rev J, December 15,

Re: [PATCH] vax: resolve long-standing documentation bugs re floating-point codegen [PR79646]

Hi Abe, > After many years away from contributing to GCC, I am rejoining as a > "gardener": my intent/plan is to clean up the bug backlog, weeding out > old bugs that are relatively-easy to fix yet have languished for a long > time.  First for today`s gardening: a documentation-only bug or two

Re: [PATCH] Avoid vector -Wfree-nonheap-object warnings

Here is a new version working also in C++98. Note that I have this failure: FAIL: 23_containers/vector/types/1.cc  -std=gnu++98 (test for excess errors) but it's already failing on master, my patch do not change anything. Tested under Linux x64, still ok to commit ? François On 24/05/2024 1

Re: [PATCH v2] Define which threading model is in use on Windows

Hi all, Here is the v2 version of this patch. Thanks for your patience. I believe I have fixed the issue with the extra space this time around, and have also cleaned up the patch a bit. Do note that I still do not have write access and need help pushing this when this passes review best regards,

[PATCH 00/11] AArch64/OpenMP: Test SVE ACLE types with various OpenMP constructs.

Note: This patch series is based on Richard's initial patch https://gcc.gnu.org/pipermail/gcc-patches/2022-November/606741.html and Jakub's suggestion https://gcc.gnu.org/pipermail/gcc-patches/2023-February/611892.html The following patch series handles various scenarios with OpenMP and SVE ty

[PATCH 01/11] OpenMP/PolyInt: Pass poly-int structures by address to OMP libs.

Currently poly-int type structures are passed by value to OpenMP runtime functions for shared clauses etc. This patch improves on this by passing around poly-int structures by address to avoid copy-overhead. gcc/ChangeLog * omp-low.c (use_pointer_for_field): Use pointer if the OMP data

[PATCH 02/11] AArch64: Add test cases for SVE types in OpenMP shared clause.

This patch tests various shared clauses with SVE types. It also adds a test scaffold to run OpenMP tests in under the gcc.target testsuite. gcc/testsuite/ChangeLog: * gcc.target/aarch64/sve/omp/aarch64-sve-omp.exp: New scaffold. * gcc/testsuite/gcc.target/aarch64/sve/omp/shared.c

[PATCH 04/11] AArch64: Test OpenMP lastprivate clause for various constructs.

This patch tests various OpenMP lastprivate clause with SVE object types in various construct contexts. gcc/testsuite/ChangeLog: * gcc.target/aarch64/sve/omp/lastprivate.c: New test. --- .../gcc.target/aarch64/sve/omp/lastprivate.c | 121 ++ 1 file changed, 121 insertion

[PATCH 05/11] AArch64: Test OpenMP threadprivate clause on SVE type.

This patch adds a test for ensuring threadprivate clause works for SVE type objects. gcc/testsuite/ChangeLog * gcc.target/aarch64/sve/omp/threadprivate.c: New test. --- .../aarch64/sve/omp/threadprivate.c | 44 +++ 1 file changed, 44 insertions(+) create mode 1

[PATCH 09/11] AArch64: Diagnose OpenMP linear clause for SVE type objects.

This patch tests if SVE object types if applied to linear clause is diagnosed as expected. gcc/testsuite/ChangeLog * gcc.target/aarch64/sve/omp/linear.c: New test. --- .../gcc.target/aarch64/sve/omp/linear.c | 33 +++ 1 file changed, 33 insertions(+) create mode 10

[PATCH 08/11] AArch64: Test OpenMP simd aligned clause with SVE types.

This patch tests simd aligned clause and their interaction with SVE types. gcc/testsuite/ChangeLog * gcc.target/aarch64/sve/omp/simd-aligned.c: New test. --- .../gcc.target/aarch64/sve/omp/simd-aligned.c | 50 +++ 1 file changed, 50 insertions(+) create mode 100644 gcc/t

[PATCH 03/11] AArch64: Diagnose OpenMP offloading when SVE types involved.

The target clause in OpenMP is used to offload loop kernels to accelarator peripeherals. target's 'map' clause is used to move data from and to the accelarator. When the data is SVE type, it may not be suitable because of various reasons i.e. the two SVE targets may not agree on vector size or so

[PATCH 07/11] AArch64: Test OpenMP uniform clause on SVE types.

This patch tests if simd uniform clause works with SVE types in simd regions. gcc/testsuite/ChangeLog * gcc.target/aarch64/sve/omp/simd-uniform.c: New test. --- .../gcc.target/aarch64/sve/omp/simd-uniform.c | 71 +++ 1 file changed, 71 insertions(+) create mode 100644 gc

[PATCH 10/11] AArch64: Test OpenMP depend clause and its variations on SVE types

This patch adds a test to test depend clause and its various dependency variations with SVE type objects. gcc/testsuite/ChangeLog * gcc.target/aarch64/sve/omp/depend-1.c: New test. --- .../gcc.target/aarch64/sve/omp/depend-1.c | 223 ++ 1 file changed, 223 insertions(

[PATCH 06/11] AArch64: Test OpenMP user-defined reductions with SVE types.

This patch tests user-defined reductions on various constructs with objects of SVE type. gcc/testsuite/ChangeLog * gcc.target/aarch64/sve/omp/udr-sve.c: New test. --- .../gcc.target/aarch64/sve/omp/udr-sve.c | 166 ++ 1 file changed, 166 insertions(+) create mode 10

[PATCH 11/11] AArch64: Diagnose SVE type objects when applied to OpenMP doacross clause.

This patch tests if SVE type objects when applied to doacross clause are correctly diagnosed. gcc/testsuite/ChangeLog * gcc.target/aarch64/sve/omp/doacross.c: New test. --- .../gcc.target/aarch64/sve/omp/doacross.c | 22 +++ 1 file changed, 22 insertions(+) create mo

[PATCH v2] Define which threading model is in use on Windows

Hi all, Please review a trivial change that defines which threading model is used on Windows, so applications can check it. This is also useful for system headers, since some headers should be switched off if pthread is the threading model (Currently they are included unconditionally on Windows).

Re: [x86 SSE] Improve handling of ternlog instructions in i386/sse.md (v2)

On Tue, May 21, 2024 at 5:46 AM Alexander Monakov wrote: > > > Hello! > > I looked at ternlog a bit last year, so I'd like to offer some drive-by > comments. If you want to tackle them in a follow-up patch, or leave for > someone else to handle, please let me know. > > On Fri, 17 May 2024, Roger S

[PATCH v3] Match: Support more form for scalar unsigned SAT_ADD

From: Pan Li After we support one gassign form of the unsigned .SAT_ADD, we would like to support more forms including both the branch and branchless. There are 5 other forms of .SAT_ADD, list as below: Form 1: #define SAT_ADD_U_1(T) \ T sat_add_u_1_##T(T x, T y) \ { \ return (T)(x

Re: Ping [PATCHv2] Optab: add isfinite_optab for __builtin_isfinite

On Mon, May 27, 2024 at 4:10 AM HAO CHEN GUI wrote: > > Hi, > Gently ping it. > https://gcc.gnu.org/pipermail/gcc-patches/2024-May/652170.html > > Thanks > Gui Haochen > > 在 2024/5/20 16:15, HAO CHEN GUI 写道: > > Hi, > > This patch adds an optab for __builtin_isfinite. The finite check can be >

Re: [PATCH] match: Use uniform_integer_cst_p in bitwise_inverted_equal_p [PR115238]

On Mon, May 27, 2024 at 6:14 AM Andrew Pinski wrote: > > I noticed while working on the `a ^ CST` patch, that bitwise_inverted_equal_p > would check INTEGER_CST directly and not handle vector csts that are uniform. > This moves over to using uniform_integer_cst_p instead of checking INTEGER_CST >

Re: [x86 SSE] Improve handling of ternlog instructions in i386/sse.md (v2)

On Sat, May 18, 2024 at 4:10 AM Roger Sayle wrote: > > > Hi Hongtao, > Many thanks for the review, bug fixes and suggestions for improvements. > This revised version of the patch, implements all of your corrections. In > theory > the "ternlog idx" should guarantee that some operands are non-null

Re: [RFC/RFA] [PATCH 02/12] Add built-ins and tests for bit-forward and bit-reversed CRCs

On Fri, May 24, 2024 at 10:44 AM Mariam Arutunian wrote: > > This patch introduces new built-in functions to GCC for computing bit-forward > and bit-reversed CRCs. > These builtins aim to provide efficient CRC calculation capabilities. > When the target architecture supports CRC operations (as in

Re: [RFC/RFA] [PATCH 12/12] Add tests for CRC detection and generation.

On Sat, May 25, 2024 at 8:34 PM Jeff Law wrote: > > > > On 5/24/24 2:42 AM, Mariam Arutunian wrote: > >gcc/testsuite/gcc.c-torture/compile/ > > > > * crc-11.c: New test. > > * crc-15.c: Likewise. > > * crc-16.c: Likewise. > > * crc-19.c: Likewise. > > * crc-2.c: Likewi

Re: [PATCH v2] tree-ssa-pre.c/115214(ICE in find_or_generate_expression, at tree-ssa-pre.c:2780): Return NULL_TREE when deal special cases.

On Fri, May 24, 2024 at 5:33 PM Jiawei wrote: > > Return NULL_TREE when match the POLY_INT case. > https://gcc.gnu.org/pipermail/gcc-patches/2024-May/652641.html > > gcc/ChangeLog: > > * tree-ssa-pre.cc (create_component_ref_by_pieces_1): New > * conditions. > > gcc/testsuite/Chang

[RFC 2/2] libstdc++-v3/src/libbacktrace: add -funwind-tables

libstdc++-v3/ * src/libbacktrace/Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add -funwind-tables * src/libbacktrace/Makefile.in: Regenerate. --- libstdc++-v3/src/libbacktrace/Makefile.am | 4 ++-- libstdc++-v3/src/libbacktrace/Makefile.in | 4 ++-- 2 files changed, 4 insertions(

[RFC 0/2] libbacktrace: add FDPIC support

This is an RFC series that adds FDPIC ELF target support to libbacktrace. While debugging this I've noticed that there's no unwinding info for the libstdc++ version of libbacktrace, which made backtraces empty for me, both on xtensa-linux-uclibcfdpic and on regular xtensa-linux-uclibc. Adding -fun

[RFC 1/2] libbacktrace: add FDPIC support

Instead of a single base address FDPIC ELF files use load map: a structure with an array of mappings for individual segments. Change libbacktrace functions and structures to support that. libbacktrace/ PR libbacktrace/114941 * dwarf.c: Include or if available. (struct d

Re: [PATCH V2] RISC-V: Fix missing boolean_expression in zmmul extension

Committed to trunk :) On Fri, May 24, 2024 at 7:58 PM Kito Cheng wrote: > > LGTM > > Liao Shihua 於 2024年5月24日 週五 13:05 寫道： >> >> Update v1->v2 >> Add testcase for this patch. >> >> Missing boolean_expression TARGET_ZMMUL in riscv_rtx_costs() cause different >> instructions when >> multiplyi