Re: [PATCH] Add COMPLEX_VECTOR_INT modes

2023-06-09 Thread Richard Sandiford via Gcc-patches
Richard Biener writes: > On Fri, Jun 9, 2023 at 11:45 AM Andrew Stubbs wrote: >> >> On 09/06/2023 10:02, Richard Sandiford wrote: >> > Andrew Stubbs writes: >> >> On 07/06/2023 20:42, Richard Sandiford wrote: >> >>> I don't know if this helps (probably not), but we have a similar >> >>> situatio

Re: [PATCH] Add COMPLEX_VECTOR_INT modes

2023-06-09 Thread Richard Biener via Gcc-patches
On Fri, Jun 9, 2023 at 11:45 AM Andrew Stubbs wrote: > > On 09/06/2023 10:02, Richard Sandiford wrote: > > Andrew Stubbs writes: > >> On 07/06/2023 20:42, Richard Sandiford wrote: > >>> I don't know if this helps (probably not), but we have a similar > >>> situation on AArch64: a 64-bit mode like

Re: [PATCH] Add COMPLEX_VECTOR_INT modes

2023-06-09 Thread Andrew Stubbs
On 09/06/2023 10:02, Richard Sandiford wrote: Andrew Stubbs writes: On 07/06/2023 20:42, Richard Sandiford wrote: I don't know if this helps (probably not), but we have a similar situation on AArch64: a 64-bit mode like V8QI can be doubled to a 128-bit vector or to a pair of 64-bit vectors. W

Re: [PATCH] Add COMPLEX_VECTOR_INT modes

2023-06-09 Thread Richard Sandiford via Gcc-patches
Andrew Stubbs writes: > On 07/06/2023 20:42, Richard Sandiford wrote: >> I don't know if this helps (probably not), but we have a similar >> situation on AArch64: a 64-bit mode like V8QI can be doubled to a >> 128-bit vector or to a pair of 64-bit vectors. We used V16QI for >> the former and "V2x

Re: [PATCH] Add COMPLEX_VECTOR_INT modes

2023-06-09 Thread Andrew Stubbs
On 07/06/2023 20:42, Richard Sandiford wrote: I don't know if this helps (probably not), but we have a similar situation on AArch64: a 64-bit mode like V8QI can be doubled to a 128-bit vector or to a pair of 64-bit vectors. We used V16QI for the former and "V2x8QI" for the latter. V2x8QI is for

Re: [PATCH] Add COMPLEX_VECTOR_INT modes

2023-06-07 Thread Richard Sandiford via Gcc-patches
Andrew Stubbs writes: > On 30/05/2023 07:26, Richard Biener wrote: >> On Fri, May 26, 2023 at 4:35 PM Andrew Stubbs wrote: >>> >>> Hi all, >>> >>> I want to implement a vector DIVMOD libfunc for amdgcn, but I can't just >>> do it because the GCC middle-end models DIVMOD's return value as >>> "com

Re: [PATCH] Add COMPLEX_VECTOR_INT modes

2023-06-05 Thread Richard Biener via Gcc-patches
On Mon, Jun 5, 2023 at 3:49 PM Andrew Stubbs wrote: > > On 30/05/2023 07:26, Richard Biener wrote: > > On Fri, May 26, 2023 at 4:35 PM Andrew Stubbs wrote: > >> > >> Hi all, > >> > >> I want to implement a vector DIVMOD libfunc for amdgcn, but I can't just > >> do it because the GCC middle-end mo

Re: [PATCH] Add COMPLEX_VECTOR_INT modes

2023-06-05 Thread Andrew Stubbs
On 30/05/2023 07:26, Richard Biener wrote: On Fri, May 26, 2023 at 4:35 PM Andrew Stubbs wrote: Hi all, I want to implement a vector DIVMOD libfunc for amdgcn, but I can't just do it because the GCC middle-end models DIVMOD's return value as "complex int" type, and there are no vector equival

Re: [PATCH] Add COMPLEX_VECTOR_INT modes

2023-05-31 Thread Richard Sandiford via Gcc-patches
Richard Biener via Gcc-patches writes: > On Fri, May 26, 2023 at 4:35 PM Andrew Stubbs wrote: >> >> Hi all, >> >> I want to implement a vector DIVMOD libfunc for amdgcn, but I can't just >> do it because the GCC middle-end models DIVMOD's return value as >> "complex int" type, and there are no ve

Re: [PATCH] Add COMPLEX_VECTOR_INT modes

2023-05-29 Thread Richard Biener via Gcc-patches
On Fri, May 26, 2023 at 4:35 PM Andrew Stubbs wrote: > > Hi all, > > I want to implement a vector DIVMOD libfunc for amdgcn, but I can't just > do it because the GCC middle-end models DIVMOD's return value as > "complex int" type, and there are no vector equivalents of that type. > > Therefore, th