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From: Jeff Law <jeffreyalaw@gmail.com>
To: Kito Cheng <kito.cheng@gmail.com>,
	Michael Collison <collison@rivosinc.com>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH v4 01/10] RISC-V: Add new predicates and function prototypes
Date: Tue, 25 Apr 2023 20:50:25 -0600	[thread overview]
Message-ID: <30bee08c-8bd1-d1ff-fd8f-5b7b16475054@gmail.com> (raw)
In-Reply-To: <CA+yXCZBWJ-vpCDhUze_B0ZR-nAn+TP4F3RST+CFPJ_65Cqx9mw@mail.gmail.com>



On 4/18/23 18:54, Kito Cheng via Gcc-patches wrote:
> Could you please move the new function declarations and new code to
> 
>> +Enum
>> +Name(riscv_vector_lmul) Type(enum riscv_vector_lmul_enum)
>> +The possible vectorization factor:
>> +
>> +EnumValue
>> +Enum(riscv_vector_lmul) String(1) Value(RVV_LMUL1)
>> +
>> +EnumValue
>> +Enum(riscv_vector_lmul) String(2) Value(RVV_LMUL2)
>> +
>> +EnumValue
>> +Enum(riscv_vector_lmul) String(4) Value(RVV_LMUL4)
>> +
>> +EnumValue
>> +Enum(riscv_vector_lmul) String(8) Value(RVV_LMUL8)
> 
> I would like to introduce this option later, it's used for fine tuning,
> VLA vectorizer should be able to work without this tuning option.
So I think this was in a patch I already ACK'd from Juzhe.

> 
>> +mriscv-vector-lmul=
>> +Target RejectNegative Joined Enum(riscv_vector_lmul) Var(riscv_vector_lmul) Init(RVV_LMUL1)
>> +-mriscv-vector-lmul=<lmul>     Set the vf using lmul in auto-vectorization.
>> +
> 
> Same question for this
Similarly.

jeff

  reply	other threads:[~2023-04-26  2:51 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-17 18:36 [PATCH v4 00/10] RISC-V: Add autovec support Michael Collison
2023-04-17 18:36 ` [PATCH v4 01/10] RISC-V: Add new predicates and function prototypes Michael Collison
2023-04-19  0:54   ` Kito Cheng
2023-04-26  2:50     ` Jeff Law [this message]
2023-04-17 18:36 ` [PATCH v4 02/10] RISC-V: autovec: Export policy functions to global scope Michael Collison
2023-04-17 18:36 ` [PATCH v4 03/10] RISC-V:autovec: Add auto-vectorization support functions Michael Collison
2023-04-19  1:15   ` Kito Cheng
2023-04-20  2:19   ` juzhe.zhong
2023-04-17 18:36 ` [PATCH v4 04/10] RISC-V:autovec: Add target vectorization hooks Michael Collison
2023-04-19  1:04   ` Kito Cheng
2023-04-20  2:11   ` juzhe.zhong
2023-04-17 18:36 ` [PATCH v4 05/10] RISC-V:autovec: Add autovectorization patterns for binary integer operations Michael Collison
2023-04-18 23:14   ` Jeff Law
2023-04-19  1:19   ` Kito Cheng
2023-04-20 20:21     ` Michael Collison
2023-04-20  2:24   ` juzhe.zhong
2023-04-26 18:15     ` Robin Dapp
     [not found]     ` <3DF5ADD87A33EE11+BA2E4625-72A4-421A-B9D3-6DCA48E402BD@rivai.ai>
2023-04-27  0:04       ` [PATCH v4 05/10] RISC-V: autovec: " Michael Collison
2023-04-27 16:20         ` Palmer Dabbelt
2023-04-17 18:36 ` [PATCH v4 06/10] RISC-V:autovec: Add autovectorization tests for add & sub Michael Collison
2023-04-17 18:36 ` [PATCH v4 07/10] vect: Verify that GET_MODE_NUNITS is a multiple of 2 Michael Collison
2023-04-18  6:11   ` Richard Biener
2023-04-18 14:28     ` Kito Cheng
2023-04-18 18:21       ` Kito Cheng
2023-04-18 22:48         ` juzhe.zhong
2023-04-18 23:19           ` Michael Collison
2023-04-20 10:01           ` Richard Sandiford
2023-04-17 18:36 ` [PATCH v4 08/10] RISC-V:autovec: Add autovectorization tests for binary integer Michael Collison
2023-04-17 18:37 ` [PATCH v4 09/10] This patch adds a guard for VNx1 vectors that are present in ports like riscv Michael Collison
2023-04-18 14:26   ` Kito Cheng
2023-04-18 18:10     ` Michael Collison
2023-04-17 18:37 ` [PATCH v4 10/10] This patch supports 8 bit auto-vectorization in riscv Michael Collison
2023-04-17 19:26 ` [PATCH v4 00/10] RISC-V: Add autovec support Palmer Dabbelt
2023-04-18  6:22   ` Richard Biener
2023-04-25 15:26 ` Palmer Dabbelt
2023-04-26  2:52   ` Jeff Law

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