Re: [cdt-dev] Inline Assembly?

[Andre Bossert <andre.bossert@xxxxxxxxx>]

Hello,

we have similar issue with #pragma asm / endasm: 
https://bugs.eclipse.org/bugs/show_bug.cgi?id=277997


Am 16.01.2011 12:50, schrieb kesselhaus:
> Hi folks,
>
> We have some C files, which have Inline Assembly for ePPC.
> Currently, I have lots of Syntax Errors there. I currently have 
> undefined __asm in Project Settings so at least the function itself 
> has not the syntax error set.
>
> Which way is CDT handling Inline Assembly, if at all?
>
> __asm void foo(void)
> {
>     lis     r0, 0x4000@ha
>     ori     r0,r0, 0x1000@l
>     mfspr   r3, SPR_XYZ
>     stw     r3, 0(r1)
> }
>
> or rather
>
> void foo(void)
> {
>     __asm {
>             lis     r0, 0x4000@ha
>             ori     r0,r0, 0x1000@l
>             mfspr   r3, SPR_XYZ
>             stw     r3, 0(r1)
>     };
> }
>
> or gnu style like
>
> void foo(void)
> {
>    asm(
>     "lis     r0, 0x4000@ha"
>     "ori     r0,r0, 0x1000@l"
>     "mfspr   r3, SPR_XYZ"
>     "stw     r3, 0(r1)"
>     , /*in*/ : /*out*/: /*clobber*/ );
> }
>
> And how are the assembler instructtions setup?
>
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