#include <stdio.h> #include <stdlib.h> char b1[23] ="0123456789abcdefghijklm"; char b2[23] ="mlkjihgfedcba9876543210"; char b3[23] ="mmmmmmmmmmmmmmmmmmmmmmm"; char b4[23] ="00000000000000000000000"; char longbuf[17000000]; static int clcle(unsigned long *_a1, unsigned long *_l1, unsigned long *_a3, unsigned long *_l3, char _pad) { register unsigned long a1 asm ("2") = *_a1; register unsigned long l1 asm ("3") = *_l1; register unsigned long a3 asm ("4") = *_a3; register unsigned long l3 asm ("5") = *_l3; register unsigned long pad asm ("6") = _pad; register unsigned long cc asm ("7"); asm volatile( "0: clcle 2,4,0(6)\n\t" "jo 0b\n\t" "ipm %0\n\t" "srl %0,28\n\t" :"=d" (cc), "+d" (a1),"+d" (l1), "+d" (a3), "+d" (l3) : "d" (pad) : "memory", "cc"); *_a1 = a1; *_a3 = a3; *_l1 = l1; *_l3 = l3; return cc; } void testrun(void *_a1, unsigned long _l1, void *_a3, unsigned long _l3, char pad) { unsigned long a1,a3,l1,l3; int cc; a1 = (unsigned long) _a1; l1 = _l1; a3 = (unsigned long) _a3; l3 = _l3; cc = clcle(&a1, &l1, &a3, &l3, pad); printf("cc: %d, l1: %lu(%lu) l3: %lu(%lu) diff1: %lu diff3: %lu\n", cc, l1, _l1, l3, _l3, a1-(unsigned long) _a1, a3-(unsigned long) _a3); } void multiplex(unsigned long l1, unsigned long l3, char pad) { testrun(b1, l1, b1, l3, pad); testrun(b1, l1, b2, l3, pad); testrun(b1, l1, b3, l3, pad); testrun(b1, l1, b4, l3, pad); testrun(b2, l1, b2, l3, pad); testrun(b2, l1, b3, l3, pad); testrun(b2, l1, b4, l3, pad); testrun(b3, l1, b3, l3, pad); testrun(b3, l1, b4, l3, pad); testrun(b4, l1, b4, l3, pad); } int main() { multiplex(0,0,9); multiplex(1,0,9); multiplex(0,1,9); multiplex(1,1,9); multiplex(5,23,9); multiplex(23,5,9); testrun(longbuf,10000,longbuf,100000,0); testrun(longbuf,10000,longbuf,100000,128); testrun(longbuf,10000,longbuf,100000,255); exit(0); }