Re: GCN RDNA2+ vs. GCC SLP vectorizer (was: [committed] amdgcn: add -march=gfx1030 EXPERIMENTAL)

2024-02-16 Thread Richard Biener
On Fri, 16 Feb 2024, Thomas Schwinge wrote: > Hi! > > On 2023-10-20T12:51:03+0100, Andrew Stubbs wrote: > > I've committed this patch > > ... as commit c7ec7bd1c6590cf4eed267feab490288e0b8d691 > "amdgcn: add -march=gfx1030 EXPERIMENTAL", which the later RDNA3/gfx1100 > support builds on top of,

GCN RDNA2+ vs. GCC SLP vectorizer (was: [committed] amdgcn: add -march=gfx1030 EXPERIMENTAL)

2024-02-16 Thread Thomas Schwinge
Hi! On 2023-10-20T12:51:03+0100, Andrew Stubbs wrote: > I've committed this patch ... as commit c7ec7bd1c6590cf4eed267feab490288e0b8d691 "amdgcn: add -march=gfx1030 EXPERIMENTAL", which the later RDNA3/gfx1100 support builds on top of, and that's what I'm currently working on getting proper GCC/

Re: GCN RDNA2+ vs. GCC vectorizer "Reduce using vector shifts" (was: [committed] amdgcn: add -march=gfx1030 EXPERIMENTAL)

2024-02-13 Thread Richard Biener
On Mon, 12 Feb 2024, Thomas Schwinge wrote: > Hi! > > On 2023-10-20T12:51:03+0100, Andrew Stubbs wrote: > > I've committed this patch > > ... as commit c7ec7bd1c6590cf4eed267feab490288e0b8d691 > "amdgcn: add -march=gfx1030 EXPERIMENTAL". > > The RDNA2 ISA variant doesn't support certain instru

GCN RDNA2+ vs. GCC vectorizer "Reduce using vector shifts" (was: [committed] amdgcn: add -march=gfx1030 EXPERIMENTAL)

2024-02-12 Thread Thomas Schwinge
Hi! On 2023-10-20T12:51:03+0100, Andrew Stubbs wrote: > I've committed this patch ... as commit c7ec7bd1c6590cf4eed267feab490288e0b8d691 "amdgcn: add -march=gfx1030 EXPERIMENTAL". The RDNA2 ISA variant doesn't support certain instructions previous implemented in GCC/GCN, so a number of patterns

Re: [committed] amdgcn: add -march=gfx1030 EXPERIMENTAL

2023-10-27 Thread Andrew Stubbs
On 20/10/2023 12:51, Andrew Stubbs wrote: I've committed this patch that allows building binaries for AMD gfx1030 GPUs. I can't actually test it, however, so somebody else will have to debug it (or wait for me to get my hands on a device). Richi reports that it does not execute correctly, as is

[committed] amdgcn: add -march=gfx1030 EXPERIMENTAL

2023-10-20 Thread Andrew Stubbs
I've committed this patch that allows building binaries for AMD gfx1030 GPUs. I can't actually test it, however, so somebody else will have to debug it (or wait for me to get my hands on a device). Richi reports that it does not execute correctly, as is. This is an experimental broken feature,