#include <stdio.h>
#include <config.h>
double foo = -1.0;
double FRT1;
double FRT2;
#ifdef HAS_ISA_2_07
/* b0 may be non-zero in lwarx/ldarx Power6 instrs */
void test_reservation()
{
unsigned RT;
unsigned base;
unsigned offset;
unsigned arrB[] = { 0x00112233U, 0x44556677U, 0x8899aabbU, 0xccddeeffU };
int arrH[] __attribute__ ((aligned (2))) = { 0xdeadbeef, 0xbad0beef, 0xbeefdead, 0xbeef0bad };
/* The lbarx and lharx instructions were "phased in" in ISA 2.06. That
* means it they may show up in some implementations but not others. They
* are in all ISA 2.08 implementations.
*/
base = (unsigned) &arrB;
offset = ((unsigned ) &arrB[1]) - base;
__asm__ volatile ("ori 20, %0, 0"::"r" (base));
__asm__ volatile ("ori 21, %0, 0"::"r" (offset));
__asm__ volatile ("lbarx %0, 20, 21, 1":"=r" (RT));
printf("lbarx => 0x%x\n", RT);
base = (unsigned) &arrH;
offset = ((unsigned) &arrH[1]) - base;
__asm__ volatile ("ori 20, %0, 0"::"r" (base));
__asm__ volatile ("ori 21, %0, 0"::"r" (offset));
__asm__ volatile ("lharx %0, 20, 21, 1":"=r" (RT));
printf("lharx => 0x%x\n", RT);
}
#endif
int main(void)
{
#ifdef HAS_ISA_2_07
(void) test_reservation();
#endif
return 0;
}