subject:"\[PATCH\] RISC\-V\: Add vec_extract for BI \-> QI."

Re: [PATCH] RISC-V: Add vec_extract for BI -> QI.

2023-09-01 Thread 钟居哲

LTGM juzhe.zh...@rivai.ai From: Robin Dapp Date: 2023-09-01 17:55 To: gcc-patches; palmer; Kito Cheng; jeffreyalaw; juzhe.zh...@rivai.ai CC: rdapp.gcc Subject: [PATCH] RISC-V: Add vec_extract for BI -> QI. Hi, this patch adds a vec_extract expander that extracts a QImode from a vector m

[PATCH] RISC-V: Add vec_extract for BI -> QI.

2023-09-01 Thread Robin Dapp via Gcc-patches

Hi, this patch adds a vec_extract expander that extracts a QImode from a vector mask mode. In doing so, it helps recognize a "live operation"/extract last idiom for mask modes. It fixes the ICE in tree-vect-live-6.c by circumventing the fallback code in extract_bit_field_1. The problem there is