Re: [pushed] [PATCH 00/17] LoongArch: Clean up atomic operations and implement 16-byte atomic operations

On Mon, 2025-08-18 at 09:15 +0800, Lulu Cheng wrote: > Pushed to r16-3247 ... r16-3264. > > Sorry it took so long to merge. > >    LoongArch: Implement 16-byte CAS with sc.q Sorry but it seems we need to revert this one particularly. The implementation has a bug: in CAS operation if expected !=

Re: [PATCH] csky: use quotes when referring to cpus and archs [PR90160]

On Wed, Aug 13, 2025 at 5:04 AM Palmer Dabbelt wrote: > > On Tue, 12 Aug 2025 13:56:09 PDT (-0700), pins...@gmail.com wrote: > > On Tue, Nov 26, 2024 at 12:54 PM Jeff Law wrote: > >> > >> > >> > >> On 11/26/24 11:43 AM, Florian Weimer wrote: > >> > * Jeff Law: > >> > > >> >> On 11/26/24 9:06 AM,

[PATCH v2 4/4] c: implement the defer keyword

based on the technical specification n3589[1], and set behind the command line flag '-fdefer-ts' deferred statements execute at the end of the scope they're added on, similar to the cleanup attribute, and they have much of the same constraints as statement expressions, with added limitation that n

[PATCH v2 2/4] c: handle expression nodes in push_cleanup

for future use with defer statements, as they do not have a declaration associated, and are bound to the scope with a BIND_EXPR gcc/c/ChangeLog: * c-typeck.cc (push_cleanup): Adjust. Signed-off-by: Anna (navi) Figueiredo Gomes --- gcc/c/c-typeck.cc | 10 -- 1 file changed, 8 in

[PATCH v2 1/4] c: add D_C2Y disable mask

gcc/c-family/ChangeLog: * c-common.h (D_CXX11): Adjust. (D_EXT): Likewise. (D_EXT89): Likewise. (D_EXT11): Likewise. (D_ASM): Likewise. (D_OBJC): Likewise. (D_CXX_OBJC): Likewise. (D_CXXWARN): Likewise. (D_CXX_CONCEPTS): Likew

[PATCH v2 3/4] c: introduce jump barriers for statement expressions

represent the start and end of scope which a local jump is not allowed to cross as a jump barrier, moving this logic out into a function allows for defer statements to use the same codepath gcc/c/ChangeLog: * c-decl.cc (struct c_jump_barrier): New structure. (struct c_spot_binding

[PATCH v2 0/4] implement defer statements as per ts 25755

* added a test jumping into a defer block from above. * reworded the lookup_label_for_goto error message to mention the error is a jump into the defer block, instead of out. * moved the 'defer' keyword behind a -fdefer-ts flag, and added texinfo docs plus related failure test. --- based on n3589[

Re:[pushed] [PATCH 00/17] LoongArch: Clean up atomic operations and implement 16-byte atomic operations

Pushed to r16-3247 ... r16-3264. Sorry it took so long to merge. Thanks! 在 2025/3/1 上午11:46, Xi Ruoyao 写道: The entire patch bootstrapped and regtested on loongarch64-linux-gnu with -march=la664, and I've also tried several simple 16-byte atomic operation tests locally. OK for trunk? Or maybe

Re: [PATCH] x86: Place the TLS call before all FLAGS_REG setting BBs

On Sat, Aug 16, 2025 at 5:48 PM H.J. Lu wrote: > > We can't place a TLS call before a conditional jump in a basic block like > > (code_label 13 11 14 4 2 (nil) [1 uses]) > (note 14 13 16 4 [bb 4] NOTE_INSN_BASIC_BLOCK) > (jump_insn 16 14 17 4 (set (pc) > (if_then_else (le (reg:CCNO 17 flag

[PATCH v2] x86: Place the TLS call before all register setting BBs

We can't place a TLS call before a conditional jump in a basic block like (code_label 13 11 14 4 2 (nil) [1 uses]) (note 14 13 16 4 [bb 4] NOTE_INSN_BASIC_BLOCK) (jump_insn 16 14 17 4 (set (pc) (if_then_else (le (reg:CCNO 17 flags) (const_int 0 [0])) (label_ref

Re: [RISC-V][PR target/121213] Avoid unnecessary constant load in amoswap

On 8/15/25 11:54 AM, Austin Law wrote: PR 121213 shows an unnecessary "li target,0" in an atomic exchange loop on RISC-V. The source operand for an amoswap instruction should allow (const_int 0) in addition to GPRs.  So the operand's predicate is changed to "reg_or_0_operand".   The correspon

Re: [PATCH v2 01/10] Add -mgrow-frame-downwards

On 8/13/25 4:57 PM, Aleksandar Rakic wrote: [PATCH v2 01/12] Testsuite: Fix tests properly for compact-branches: https://sourceware.org/pipermail/gcc-patches/2025-March/677827.html Installed. [PATCH v2 02/12] Fix unsafe comparison against stack_pointer_rtx: https://sourceware.org/piperm

Re: [PATCH v2 01/10] Add -mgrow-frame-downwards

On 8/13/25 4:57 PM, Aleksandar Rakic wrote: Thanks a lot for pushing the patch — I really appreciate it. Regarding MIPS testing, I understand the Jenkins situation and the limitations it imposes. If any regressions show up, I’ll be happy to help investigate and provide fixes. To make thing

Re: [PATCH 3/3] regrename: treat writes as reads for fused instruction pairs

On 7/27/25 3:35 AM, Artemiy Volkov wrote: From: Artemiy Volkov Consider the following (RISC-V) instruction pair: mul s6,a1,a2 add s6,a4,s6 Without this patch, while handling the second instruction, (a) the existing chain for s6 will first be closed (upon the terminate_write action for the

Re: [PATCH] [PR target/109324] H8/300: Fix genrecog warnings about operands missing modes.

On 8/17/25 6:38 AM, Jan Dubiec wrote: This patch fixes genrecog warnings about operands missing modes. This is done by explicitly specifying modes of operations. 2025-07-17  Jan Dubiec  PR target/109324 gcc/ChangeLog: * config/h8300/addsub.md: Explicitly specify mode for plus op

[PATCH] [PR target/109324] H8/300: Fix genrecog warnings about operands missing modes.

This patch fixes genrecog warnings about operands missing modes. This is done by explicitly specifying modes of operations. 2025-07-17 Jan Dubiec PR target/109324 gcc/ChangeLog: * config/h8300/addsub.md: Explicitly specify mode for plus operation. * config/h8300/jump

[COMMITED] MAINTAINERS, contrib: Appease check-MAINTAINERS.py (email order)

The contrib/check-MAINTAINERS.py script sorts by surname, name, bugzilla handle and email (in this order). Document this. Switch around Andrew Pinski's entries in Contributing under DCO. Pushing as obvious. ChangeLog: * MAINTAINERS: Switch around Andrew Pinski's entries in Cont