[PATCH v3 RESEND] riscv: select ARCH_HAS_FAST_MULTIPLIER

patchwork-bot+linux-riscv at kernel.org patchwork-bot+linux-riscv at kernel.org
Sun Apr 28 15:00:34 PDT 2024


Hello:

This patch was applied to riscv/linux.git (for-next)
by Palmer Dabbelt <palmer at rivosinc.com>:

On Mon, 25 Mar 2024 18:58:23 +0800 you wrote:
> Currently, riscv linux requires at least IMA, so all platforms have a
> multiplier. And I assume the 'mul' efficiency is comparable or better
> than a sequence of five or so register-dependent arithmetic
> instructions. Select ARCH_HAS_FAST_MULTIPLIER to get slightly nicer
> codegen. Refer to commit f9b4192923fa ("[PATCH] bitops: hweight()
> speedup") for more details.
> 
> [...]

Here is the summary with links:
  - [v3,RESEND] riscv: select ARCH_HAS_FAST_MULTIPLIER
    https://git.kernel.org/riscv/c/0a16a1728790

You are awesome, thank you!
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