dd43edf4e1
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3365 c046a42c-6fe2-441c-8c8c-71466251a162
84 lines
1.9 KiB
C
84 lines
1.9 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "sys.h"
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#include "crisutils.h"
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/* need to avoid acr as source here. */
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extern inline int cris_addc_m(int a, const int *b) {
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asm volatile ("addc [%1], %0\n" : "+r" (a) : "r" (b));
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return a;
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}
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/* 'b' is a crisv32 constrain to avoid postinc with $acr. */
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extern inline int cris_addc_pi_m(int a, int **b) {
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asm volatile ("addc [%1+], %0\n" : "+r" (a), "+b" (*b));
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return a;
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}
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#define verify_addc_m(a, b, res, n, z, v, c) \
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{ \
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int r; \
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r = cris_addc_m((a), (b)); \
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cris_tst_cc((n), (z), (v), (c)); \
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if (r != (res)) \
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err(); \
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}
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#define verify_addc_pi_m(a, b, res, n, z, v, c) \
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{ \
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int r; \
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r = cris_addc_pi_m((a), (b)); \
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cris_tst_cc((n), (z), (v), (c)); \
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if (r != (res)) \
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err(); \
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}
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int x[] = { 0, 0, 2, -1, 0xffff, -1, 0x5432f789};
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int main(void)
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{
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int *p = (void *)&x[0];
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#if 1
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cris_tst_cc_init();
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asm volatile ("clearf cz");
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verify_addc_m(0, p, 0, 0, 0, 0, 0);
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cris_tst_cc_init();
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asm volatile ("setf z");
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verify_addc_m(0, p, 0, 0, 1, 0, 0);
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cris_tst_cc_init();
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asm volatile ("setf c");
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verify_addc_m(0, p, 1, 0, 0, 0, 0);
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cris_tst_cc_init();
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asm volatile ("clearf c");
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verify_addc_pi_m(0, &p, 0, 0, 1, 0, 0);
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p = &x[1];
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cris_tst_cc_init();
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asm volatile ("setf c");
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verify_addc_pi_m(0, &p, 1, 0, 0, 0, 0);
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if (p != &x[2])
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err();
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cris_tst_cc_init();
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asm volatile ("clearf c");
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verify_addc_pi_m(-1, &p, 1, 0, 0, 0, 1);
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if (p != &x[3])
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err();
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#endif
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p = &x[3];
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/* TODO: investigate why this one fails. */
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cris_tst_cc_init();
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asm volatile ("setf c");
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verify_addc_m(2, p, 2, 0, 0, 0, 1);
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p += 4;
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pass();
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return 0;
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}
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