Re: gcc.gnu.org performance issues?

2025-03-16 Thread Jonathan Wakely via Gcc
On Sun, 16 Mar 2025 at 21:30, Harald Anlauf via Gcc wrote: > since I am experiencing extreme (temporary) performance problems > again with a recently increased frequency and only during evening > hours in Europe, I am asking if this is still the same cause. > > Today I've been waiting for hours fo

gcc-15-20250316 is now available

2025-03-16 Thread GCC Administrator via Gcc
Snapshot gcc-15-20250316 is now available on https://gcc.gnu.org/pub/gcc/snapshots/15-20250316/ and on various mirrors, see https://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 15 git branch with the following options: git://gcc.gnu.org/git/gcc.git branch

Re: gcc.gnu.org performance issues?

2025-03-16 Thread Harald Anlauf via Gcc
Am 16.03.25 um 22:59 schrieb Mark Wielaard: There is currently a botnet attacking lots of http git endpoints on various systems including sourceware. We are trying to coordinate a bit, but given that it seems a fairly large botnet with lots of ips (which often only do one or two hits per day), it

Re: gcc.gnu.org performance issues?

2025-03-16 Thread Mark Wielaard
Hi Harald, On Sun, Mar 16, 2025 at 10:57:08PM +0100, Harald Anlauf wrote: > I have never tried any complex setups besides simple ssh tunnels > with git in the past, so believe this does not apply. > > Doing even a simple ssh -Tvv to gcc.gnu.org takes a very long time > when trying in parallel to

Re: gcc.gnu.org performance issues?

2025-03-16 Thread Harald Anlauf via Gcc
Am 16.03.25 um 22:37 schrieb Jonathan Wakely via Gcc: On Sun, 16 Mar 2025 at 21:30, Harald Anlauf via Gcc wrote: since I am experiencing extreme (temporary) performance problems again with a recently increased frequency and only during evening hours in Europe, I am asking if this is still the s

Re: gcc.gnu.org performance issues?

2025-03-16 Thread Harald Anlauf via Gcc
Hello all, Am 15.08.24 um 21:31 schrieb Mark Wielaard: Hi, On Thu, Aug 15, 2024 at 10:31:12AM -0700, H.J. Lu via Gcc wrote: On Thu, Aug 15, 2024 at 10:17 AM Harald Anlauf via Gcc wrote: is it only me who is recently experiencing intermittent but extreme slowness of "git pull"? [...] This w

GSoC 2025 Rust Front-End: Name Resolution Pass Rewrite

2025-03-16 Thread Christina / via Gcc
Hello! I'm interested in the idea of "Name Resolution Pass Rewrite". I took the compiler course and implemented a ALGOL-like language compiler. I have huge passion about compiler and would love to contribute to GCC community. I looked up some resources on this topic. Name resolution · Rust-GCC/gcc

Re: Using nonzero_bits() in insn conditions?

2025-03-16 Thread Jeff Law via Gcc
On 3/13/25 5:39 AM, Georg-Johann Lay via Gcc wrote: There are situations where knowledge about which bits of a value are (not) set can be used for optimization. For example in an insn combine pattern like: (define_insn_and_split ""   [(set (match_operand:QI 0 "register_operand"