On 6/13/23 00:50, Robin Dapp wrote:
I suggest we implement vector calling convention even though it is not ratified
yet.
We can allow calling convention to be enabled only when
--param=riscv-autovec-preference=fixed-vlmax.
We have such issue:
> I suggest we implement vector calling convention even though it is not
> ratified yet.
> We can allow calling convention to be enabled only when
> --param=riscv-autovec-preference=fixed-vlmax.
> We have such issue:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110119
>
for fixed-vlmax.
juzhe.zh...@rivai.ai
From: Jeff Law
Date: 2023-06-13 03:16
To: Robin Dapp; gcc-patches; palmer; Kito Cheng; juzhe.zh...@rivai.ai
Subject: Re: [PATCH] RISC-V: Implement vec_set and vec_extract.
On 6/12/23 08:55, Robin Dapp wrote:
> Hi,
>
> this implements th
On 6/12/23 08:55, Robin Dapp wrote:
Hi,
this implements the vec_set and vec_extract patterns for integer and
floating-point data types. For vec_set we broadcast the insert value to
a vector register and then perform a vslideup with effective length 1 to
the requested index.
vec_extract is
> + /* If the slide offset fits into 5 bits we can
> + use the immediate variant instead of the register variant.
> + The expander's operand[2] is ops[3] here. */
> + if (!satisfies_constraint_K (ops[3]))
> + ops[3] = force_reg (Pmode, ops[3]);
>
> I don't think we need this.
should be able to handle this.
juzhe.zh...@rivai.ai
From: Robin Dapp
Date: 2023-06-12 22:55
To: gcc-patches; palmer; Kito Cheng; juzhe.zh...@rivai.ai; jeffreyalaw
CC: rdapp.gcc
Subject: [PATCH] RISC-V: Implement vec_set and vec_extract.
Hi,
this implements the vec_set and vec_extract patterns
Hi,
this implements the vec_set and vec_extract patterns for integer and
floating-point data types. For vec_set we broadcast the insert value to
a vector register and then perform a vslideup with effective length 1 to
the requested index.
vec_extract is done by sliding down the requested
