This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: i386 and asm jumping


On Tue, May 07, 2002 at 07:32:39PM +0200, Johan Rydberg wrote:
> The code above will generate; load cnt into register,
> decrement register, store register and jump to HANDLER
> if zero flag is set.  I would like to replace this with
> the following assembler code:
> 
> 	decl	cnt
> 	jz	HANDLER
> 	jmp	NEXT
> 
> Speed is everything :)

I think you'd be better off fixing whatever in the compiler that
is preventing this rather than playing with funny asm statements.


r~


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]