Re: Intel P6 vs P7 system call performance

From: Manfred Spraul (manfred@colorfullife.com)
Date: Tue Dec 17 2002 - 11:32:35 EST

Next message: Alan Cox: "Re: Via 8233 flooding of errors [2.4-ac]"
Previous message: Richard B. Johnson: "Re: Intel P6 vs P7 system call performance"
Next in thread: Richard B. Johnson: "Re: Intel P6 vs P7 system call performance"
Reply: Richard B. Johnson: "Re: Intel P6 vs P7 system call performance"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

>
>
> pushl %ebp
> movl $0xfffff000, %ebp
> call *%ebp
> popl %ebp
>
>

You could avoid clobbering a register with something like

pushl $0xfffff000
call *(%esp)
addl %esp,4

-- Manfred

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

Next message: Alan Cox: "Re: Via 8233 flooding of errors [2.4-ac]"
Previous message: Richard B. Johnson: "Re: Intel P6 vs P7 system call performance"
Next in thread: Richard B. Johnson: "Re: Intel P6 vs P7 system call performance"
Reply: Richard B. Johnson: "Re: Intel P6 vs P7 system call performance"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Mon Dec 23 2002 - 22:00:17 EST