5744p assembly issue

wenchaohu — Wed, 24 May 2017 09:41:46 GMT

I want to use an integer pointer variable to keep the address of GPR r1 in S32DS with MPC5744P,please give me some suggestions,thank you!

the text below are my codes,and it can not work right in debug mode.

unsigned int *stk_temp;

……

PPCASM("e_lis %r3,stk_temp@h");

PPCASM("e_ori %r3,%r3,stk_temp@l");

PPCASM("e_stw %r1,0x0(%r3)");

Re: 5744p assembly issue

stanish — Mon, 19 Jun 2017 22:16:33 GMT

Hi,

what about this:

PPCASM("e_stw %r1, %0" :"=m"(*stk_temp));‍‍

Stan