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#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "sys.h"
#include "crisutils.h"
/* need to avoid acr as source here. */
static always_inline int cris_addc_m(int a, const int *b)
{
asm volatile ("addc [%1], %0\n" : "+r" (a) : "r" (b));
return a;
}
/* 'b' is a crisv32 constrain to avoid postinc with $acr. */
static always_inline int cris_addc_pi_m(int a, int **b)
{
asm volatile ("addc [%1+], %0\n" : "+r" (a), "+b" (*b));
return a;
}
#define verify_addc_m(a, b, res, n, z, v, c) \
{ \
int r; \
r = cris_addc_m((a), (b)); \
cris_tst_cc((n), (z), (v), (c)); \
if (r != (res)) \
err(); \
}
#define verify_addc_pi_m(a, b, res, n, z, v, c) \
{ \
int r; \
r = cris_addc_pi_m((a), (b)); \
cris_tst_cc((n), (z), (v), (c)); \
if (r != (res)) \
err(); \
}
int x[] = { 0, 0, 2, -1, 0xffff, -1, 0x5432f789};
int main(void)
{
int *p = (void *)&x[0];
#if 1
cris_tst_cc_init();
asm volatile ("clearf cz");
verify_addc_m(0, p, 0, 0, 0, 0, 0);
cris_tst_cc_init();
asm volatile ("setf z");
verify_addc_m(0, p, 0, 0, 1, 0, 0);
cris_tst_cc_init();
asm volatile ("setf c");
verify_addc_m(0, p, 1, 0, 0, 0, 0);
cris_tst_cc_init();
asm volatile ("clearf c");
verify_addc_pi_m(0, &p, 0, 0, 1, 0, 0);
p = &x[1];
cris_tst_cc_init();
asm volatile ("setf c");
verify_addc_pi_m(0, &p, 1, 0, 0, 0, 0);
if (p != &x[2])
err();
cris_tst_cc_init();
asm volatile ("clearf c");
verify_addc_pi_m(-1, &p, 1, 0, 0, 0, 1);
if (p != &x[3])
err();
#endif
p = &x[3];
/* TODO: investigate why this one fails. */
cris_tst_cc_init();
asm volatile ("setf c");
verify_addc_m(2, p, 2, 0, 0, 0, 1);
p += 4;
pass();
return 0;
}
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