Re: [x86 PATCH] PR target/107548: Handle vec_select in STV.

2022-12-22 Thread Uros Bizjak via Gcc-patches
On Fri, Dec 23, 2022 at 12:19 AM Roger Sayle wrote: > > > This patch enhances x86's STV pass to handle VEC_SELECT during general > scalar chain conversion, performing SImode scalar extraction from V4SI > and DImode scalar extraction from V2DI vector registers. > > The motivating test case from bug

[x86 PATCH] PR target/107548: Handle vec_select in STV.

2022-12-22 Thread Roger Sayle
This patch enhances x86's STV pass to handle VEC_SELECT during general scalar chain conversion, performing SImode scalar extraction from V4SI and DImode scalar extraction from V2DI vector registers. The motivating test case from bugzilla is: typedef unsigned int v4si __attribute__((vector_size(1