Re: [PATCH v1 08/15] tcg/riscv: Add support for basic vector opcodes

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Re: [PATCH v1 08/15] tcg/riscv: Add support for basic vector opcodes

From:	Richard Henderson
Subject:	Re: [PATCH v1 08/15] tcg/riscv: Add support for basic vector opcodes
Date:	Tue, 20 Aug 2024 15:14:13 +1000
User-agent:	Mozilla Thunderbird

On 8/20/24 11:57, LIU Zhiwei wrote:


On 2024/8/14 17:17, Richard Henderson wrote:

On 8/13/24 21:34, LIU Zhiwei wrote:

+    OPC_VADD_VV = 0x57 | V_OPIVV,
+    OPC_VSUB_VV = 0x8000057 | V_OPIVV,
+    OPC_VAND_VV = 0x24000057 | V_OPIVV,
+    OPC_VOR_VV = 0x28000057 | V_OPIVV,
+    OPC_VXOR_VV = 0x2c000057 | V_OPIVV,


Immediate operand variants to be handled as a follow-up?

Do you mean VXOR_VI? We use vxor.vi for not_vec already in patch 10.


Yes, and you match the 5-bit signed operand in patch 9.
All that is required is to put the two together here.


r~

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[PATCH v1 07/15] tcg/riscv: Implement vector mov/dup{m/i}, (continued)
- [PATCH v1 07/15] tcg/riscv: Implement vector mov/dup{m/i}, LIU Zhiwei, 2024/08/13
  - Re: [PATCH v1 07/15] tcg/riscv: Implement vector mov/dup{m/i}, Richard Henderson, 2024/08/14
    - Re: [PATCH v1 07/15] tcg/riscv: Implement vector mov/dup{m/i}, LIU Zhiwei, 2024/08/15
  - Re: [PATCH v1 07/15] tcg/riscv: Implement vector mov/dup{m/i}, Richard Henderson, 2024/08/20
    - Re: [PATCH v1 07/15] tcg/riscv: Implement vector mov/dup{m/i}, LIU Zhiwei, 2024/08/20
- [PATCH v1 08/15] tcg/riscv: Add support for basic vector opcodes, LIU Zhiwei, 2024/08/13
  - Re: [PATCH v1 08/15] tcg/riscv: Add support for basic vector opcodes, Richard Henderson, 2024/08/14
    - Re: [PATCH v1 08/15] tcg/riscv: Add support for basic vector opcodes, LIU Zhiwei, 2024/08/19
  - Re: [PATCH v1 08/15] tcg/riscv: Add support for basic vector opcodes, Richard Henderson, 2024/08/14
    - Re: [PATCH v1 08/15] tcg/riscv: Add support for basic vector opcodes, LIU Zhiwei, 2024/08/19
    - Re: [PATCH v1 08/15] tcg/riscv: Add support for basic vector opcodes, Richard Henderson <=
- [PATCH v1 09/15] tcg/riscv: Implement vector cmp ops, LIU Zhiwei, 2024/08/13
  - Re: [PATCH v1 09/15] tcg/riscv: Implement vector cmp ops, Richard Henderson, 2024/08/14
    - Re: [PATCH v1 09/15] tcg/riscv: Implement vector cmp ops, LIU Zhiwei, 2024/08/27
- [PATCH v1 10/15] tcg/riscv: Implement vector not/neg ops, LIU Zhiwei, 2024/08/13
  - Re: [PATCH v1 10/15] tcg/riscv: Implement vector not/neg ops, Richard Henderson, 2024/08/14
    - Re: [PATCH v1 10/15] tcg/riscv: Implement vector not/neg ops, LIU Zhiwei, 2024/08/27
- [PATCH v1 11/15] tcg/riscv: Implement vector sat/mul ops, LIU Zhiwei, 2024/08/13
- [PATCH v1 12/15] tcg/riscv: Implement vector min/max ops, LIU Zhiwei, 2024/08/13
- [PATCH v1 13/15] tcg/riscv: Implement vector shs/v ops, LIU Zhiwei, 2024/08/13
- [PATCH v1 14/15] tcg/riscv: Implement vector roti/v/x shi ops, LIU Zhiwei, 2024/08/13

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