[aspectc-user] Small glitch in GCC's __asm__ syntax support

[Olaf Spinczyk]

Hi Stefan,

thanks for reporting this bug. It is related to bug #364 in our bugzilla
system (www.aspectc.org -> support). I have extended the description.
All three problems mentioned there are related to the gnu asm syntax.

Best regards,

Olaf


Stefan Marr schrieb:
> Hi,
>
> just stumbled over a small problem with some assembly code in a header
> file. Looks like AspectC++ does not support the full GCC style
> assembly definitions.
>
> The code is as follows:
>
> asm.h:
>
> inline void XADD(int32_t* var, int32_t increment) {
>   __asm__ __volatile__(
>          "lock xaddl %1,%0 ;\n"
>        : "=m"  (*var)
>        : "ir"  (increment), "m" (var)
>        :                                 /* empty clobber-list */
>   );
> }
>
>
> g++ compiles it fine, but using ag++ results in an error.
>
> The ac++ compiler complains about the last line beginning with ":",
> guess because its empty.
>
> As a workaround, it is possible to remove this line.
>
>
> Best regards
> Stefan
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