Re: [PATCH, resend] x86-64: improve insn scheduling in SAVE_ARGS_IRQ

[H. Peter Anvin]

On 02/24/2012 03:55 AM, Jan Beulich wrote:
>  	leaq -RBP(%rsp),%rdi	/* arg1 for handler */
> -	testl $3, CS(%rdi)
> +	testl $3, CS-RBP(%rsi)
>  	je 1f

IIRC there is no imm8 version of testl; could this be a testb instead or
is that going to cause stalls on some platforms you think?

	-hpa

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