qemu/tests/tcg/mips/mips64-dsp/dextr_rs_w.c
Jia Liu d70080c4e3 target-mips: Add ASE DSP testcases
Add MIPS ASE DSP testcases.

Signed-off-by: Jia Liu <proljc@gmail.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-31 21:37:21 +01:00

53 lines
987 B
C

#include "io.h"
int main(void)
{
long long rt, dsp;
long long achi, acli;
long long res, resdsp;
achi = 0x87654321;
acli = 0x12345678;
res = 0xffffffff80000000;
resdsp = 0x1;
__asm
("mthi %2, $ac1\n\t"
"mtlo %3, $ac1\n\t"
"dextr_rs.w %0, $ac1, 0x8\n\t"
"rddsp %1\n\t"
: "=r"(rt), "=r"(dsp)
: "r"(achi), "r"(acli)
);
dsp = (dsp >> 23) & 0x1;
if ((dsp != resdsp) || (rt != res)) {
printf("dextr_rs.w error\n");
return -1;
}
achi = 0x00;
acli = 0x12345678;
res = 0x123456;
resdsp = 0x1;
__asm
("mthi %2, $ac1\n\t"
"mtlo %3, $ac1\n\t"
"dextr_rs.w %0, $ac1, 0x8\n\t"
"rddsp %1\n\t"
: "=r"(rt), "=r"(dsp)
: "r"(achi), "r"(acli)
);
dsp = (dsp >> 23) & 0x1;
if ((dsp != resdsp) || (rt != res)) {
printf("dextr_rs.w error\n");
return -1;
}
return 0;
}