Office Hours for the GNU Toolchain on 2024-08-29 at 11am EST5EDT.

2024-08-26 Thread Carlos O'Donell via Gcc
Office Hours for the GNU Toolchain on 2024-08-29 at 11am EST5EDT. Agenda: * https://gcc.gnu.org/wiki/OfficeHours#Next Meeting Link: * https://bbb.linuxfoundation.org/room/adm-xcb-for-sk6 -- Cheers, Carlos.

Re: stack arenas using alloca

2024-08-26 Thread Florian Weimer via Gcc
* Michael Clark via Gcc: > On 8/23/24 15:57, Michael Clark wrote: >> On 8/23/24 15:46, Michael Clark wrote: >>> one more thing. it doesn't require PT_GNU_STACK or writable stacks >>> like GCC nested functions. 🙂 so I think it is safer but it does >>> have safety issues, mostly related to stack ove

Help with a RTL manipulation

2024-08-26 Thread Julian Waters via Gcc
Hi all, I currently have the following RTL patch to TLS handling code on hand, but am having major trouble understanding it: +#if TARGET_WIN32_TLS + rtx scratch = gen_rtx_SCRATCH (Pmode); + + rtx basereg = gen_reg_rtx (Pmode); + rtx thread = gen_rtx_UNSPEC (Pmode, gen_rtvec (1, const0_rtx), UN