qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH v4 17/27] tcg/s390x: Tighten constraints for or_i64 and xor_i


From: Ilya Leoshkevich
Subject: Re: [PATCH v4 17/27] tcg/s390x: Tighten constraints for or_i64 and xor_i64
Date: Mon, 12 Dec 2022 23:41:49 +0100

On Thu, Dec 08, 2022 at 08:05:20PM -0600, Richard Henderson wrote:
> Drop support for sequential OR and XOR, as the serial dependency is
> slower than loading the constant first.  Let the register allocator
> handle such immediates by matching only what one insn can achieve.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>



reply via email to

[Prev in Thread] Current Thread [Next in Thread]