Re: [PATCH]AArch64 xorsign: Fix scalar xorsign lowering

2023-09-01 Thread Richard Sandiford via Gcc-patches
Tamar Christina writes: >> -Original Message- >> From: Richard Sandiford >> Sent: Friday, September 1, 2023 2:36 PM >> To: Tamar Christina >> Cc: gcc-patches@gcc.gnu.org; nd ; Richard Earnshaw >> ; Marcus Shawcroft >> ; Kyrylo Tkachov >>

RE: [PATCH]AArch64 xorsign: Fix scalar xorsign lowering

2023-09-01 Thread Tamar Christina via Gcc-patches
> -Original Message- > From: Richard Sandiford > Sent: Friday, September 1, 2023 2:36 PM > To: Tamar Christina > Cc: gcc-patches@gcc.gnu.org; nd ; Richard Earnshaw > ; Marcus Shawcroft > ; Kyrylo Tkachov > Subject: Re: [PATCH]AArch64 xorsign: Fix scalar xor

Re: [PATCH]AArch64 xorsign: Fix scalar xorsign lowering

2023-09-01 Thread Richard Sandiford via Gcc-patches
Tamar Christina writes: > Hi All, > > In GCC-9 our scalar xorsign pattern broke and we didn't notice it because the > testcase was not strong enough. With this commit > > 8d2d39587d941a40f25ea0144cceb677df115040 is the first bad commit > commit 8d2d39587d941a40f25ea0144cceb677df115040 > Author: