Re: [PATCH v3 09/15] target/riscv: Add orc.b instruction for Zbb, removi

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Re: [PATCH v3 09/15] target/riscv: Add orc.b instruction for Zbb, removi

From:	Richard Henderson
Subject:	Re: [PATCH v3 09/15] target/riscv: Add orc.b instruction for Zbb, removing gorc/gorci
Date:	Mon, 23 Aug 2021 10:24:51 -0700
User-agent:	Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0

On 8/23/21 9:40 AM, Philipp Tomsich wrote:

The 1.0.0 version of Zbb does not contain gorc/gorci.  Instead, a
orc.b instruction (equivalent to the orc.b pseudo-instruction built on
gorci from pre-0.93 draft-B) is available, mainly targeting
string-processing workloads.

This commit adds the new orc.b instruction and removed gorc/gorci.

Signed-off-by: Philipp Tomsich<philipp.tomsich@vrull.eu>


Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~

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Re: [PATCH v3 10/15] target/riscv: Add a REQUIRE_32BIT macro, (continued)
- [PATCH v3 12/15] target/riscv: Add zext.h instructions to Zbb, removing pack/packu/packh, Philipp Tomsich, 2021/08/23
  - Re: [PATCH v3 12/15] target/riscv: Add zext.h instructions to Zbb, removing pack/packu/packh, Richard Henderson, 2021/08/23
- [PATCH v3 07/15] target/riscv: Add instructions of the Zbc-extension, Philipp Tomsich, 2021/08/23
  - Re: [PATCH v3 07/15] target/riscv: Add instructions of the Zbc-extension, Richard Henderson, 2021/08/23
- [PATCH v3 08/15] target/riscv: Reassign instructions to the Zbb-extension, Philipp Tomsich, 2021/08/23
  - Re: [PATCH v3 08/15] target/riscv: Reassign instructions to the Zbb-extension, Richard Henderson, 2021/08/23
- [PATCH v3 14/15] target/riscv: rewrite slli.uw implementation to mirror formal spec, Philipp Tomsich, 2021/08/23
  - Re: [PATCH v3 14/15] target/riscv: rewrite slli.uw implementation to mirror formal spec, Richard Henderson, 2021/08/23
- [PATCH v3 09/15] target/riscv: Add orc.b instruction for Zbb, removing gorc/gorci, Philipp Tomsich, 2021/08/23
  - Re: [PATCH v3 09/15] target/riscv: Add orc.b instruction for Zbb, removing gorc/gorci, Richard Henderson <=
- [PATCH v3 15/15] disas/riscv: Add Zb[abcs] instructions, Philipp Tomsich, 2021/08/23
- [PATCH v3 11/15] target/riscv: Add rev8 instruction, removing grev/grevi, Philipp Tomsich, 2021/08/23
  - Re: [PATCH v3 11/15] target/riscv: Add rev8 instruction, removing grev/grevi, Richard Henderson, 2021/08/23
- [PATCH v3 13/15] target/riscv: Remove RVB (replaced by Zb[abcs], Philipp Tomsich, 2021/08/23
  - Re: [PATCH v3 13/15] target/riscv: Remove RVB (replaced by Zb[abcs], Richard Henderson, 2021/08/23

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