Re: [PATCH] RISC-V: Use tu policy for first-element vec_set [PR115725].

2024-07-03 Thread Kito Cheng
h...@rivai.ai; jeffreyalaw > ; Li, Pan2 > *Subject:* [PATCH] RISC-V: Use tu policy for first-element vec_set > [PR115725]. > Hi, > > this patch changes the tail policy for vmv.s.x from ta to tu. > By default the bug does not show up with qemu because qemu's > current vm

Re: [PATCH] RISC-V: Use tu policy for first-element vec_set [PR115725].

2024-07-03 Thread juzhe.zh...@rivai.ai
LGTM juzhe.zh...@rivai.ai From: Robin Dapp Date: 2024-07-03 17:39 To: gcc-patches CC: rdapp.gcc; palmer; Kito Cheng; juzhe.zh...@rivai.ai; jeffreyalaw; Li, Pan2 Subject: [PATCH] RISC-V: Use tu policy for first-element vec_set [PR115725]. Hi, this patch changes the tail policy for vmv.s.x

[PATCH] RISC-V: Use tu policy for first-element vec_set [PR115725].

2024-07-03 Thread Robin Dapp
Hi, this patch changes the tail policy for vmv.s.x from ta to tu. By default the bug does not show up with qemu because qemu's current vmv.s.x implementation always uses the tail-undisturbed policy. With a local qemu version that overwrites the tail with ones when the tail-agnostic policy is spec