Re: [X86 PATCH] Add new insvti_lowpart_1 and insvdi_lowpart_1 patterns.

2023-07-09 Thread Uros Bizjak via Gcc-patches
On Sun, Jul 9, 2023 at 11:30 PM Roger Sayle wrote: > > > This patch implements another of Uros' suggestions, to investigate a > insvti_lowpart_1 pattern to improve TImode parameter passing on x86_64. > In PR 88873, the RTL the middle-end expands for passing V2DF in TImode > is subtly different fro

[X86 PATCH] Add new insvti_lowpart_1 and insvdi_lowpart_1 patterns.

2023-07-09 Thread Roger Sayle
This patch implements another of Uros' suggestions, to investigate a insvti_lowpart_1 pattern to improve TImode parameter passing on x86_64. In PR 88873, the RTL the middle-end expands for passing V2DF in TImode is subtly different from what it does for V2DI in TImode, sufficiently so that my expl