Re: [PATCH v2] RISC-V: Improve vsetvl vconfig alignment

On 11/15/24 3:25 AM, Robin Dapp wrote: So this is really the biggest question in my mind. When we kicked this around in the patchwork meeting several weeks ago I got the impression Robin had a correctness concern with this code. Robin, do you remember what had you worried? Unfortunately I h

Re: [PATCH v2] RISC-V: Improve vsetvl vconfig alignment

On 11/15/24 3:25 AM, Robin Dapp wrote: So this is really the biggest question in my mind. When we kicked this around in the patchwork meeting several weeks ago I got the impression Robin had a correctness concern with this code. Robin, do you remember what had you worried? Unfortunately I h

Re: [PATCH v2] RISC-V: Improve vsetvl vconfig alignment

> So this is really the biggest question in my mind. When we kicked this > around in the patchwork meeting several weeks ago I got the impression > Robin had a correctness concern with this code. Robin, do you remember > what had you worried? Unfortunately I haven't managed to get back to this

Re: [PATCH v2] RISC-V: Improve vsetvl vconfig alignment

On 10/8/24 2:11 PM, Jeff Law wrote: On 10/2/24 6:27 AM, Dusan Stojkovic wrote: This patch is a new version of: https://gcc.gnu.org/pipermail/gcc-patches/2024-September/662745.html  > Can you elaborate a bit on that?  

Re: [PATCH v2] RISC-V: Improve vsetvl vconfig alignment

On 10/2/24 6:27 AM, Dusan Stojkovic wrote: This patch is a new version of: https://gcc.gnu.org/pipermail/gcc-patches/2024-September/662745.html > Can you elaborate a bit on that?  Rearranging the CFG shouldn't matter >

Re: [PATCH v2] RISC-V: Improve vsetvl vconfig alignment

On 10/2/24 6:27 AM, Dusan Stojkovic wrote: This patch is a new version of: https://gcc.gnu.org/pipermail/gcc-patches/2024-September/662745.html > Can you elaborate a bit on that?  Rearranging the CFG shouldn't matter >

[PATCH v2] RISC-V: Improve vsetvl vconfig alignment

This patch is a new version of: https://gcc.gnu.org/pipermail/gcc-patches/2024-September/662745.html > Can you elaborate a bit on that? Rearranging the CFG shouldn't matter > in general and relying on the specific TARGET_SFB_ALU feels overly > specific. > Why does the same register in the if_then

[PATCH v2] RISC-V: Improve vsetvl vconfig alignment

This patch is a new version of: https://gcc.gnu.org/pipermail/gcc-patches/2024-September/662745.html > Can you elaborate a bit on that? Rearranging the CFG shouldn't matter > in general and relying on the specific TARGET_SFB_ALU feels overly > specific. > Why does the same register in the if_then