qemu-e2k/tests/tcg/mips/mips32-dsp/maq_s_w_phl.c
Petar Jovanovic beb3faaa00 target-mips: correct the values in the DSP tests
Five tests files for DSP instructions had wrong expected values in the tests.
This change fixes this, and this has been cross-checked by running the same
test binaries on Malta 74K board.

Signed-off-by: Petar Jovanovic <petar.jovanovic@imgtec.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2013-07-30 17:48:24 +02:00

56 lines
1.2 KiB
C

#include<stdio.h>
#include<assert.h>
int main()
{
int rt, rs;
int achi, acli;
int dsp;
int acho, aclo;
int resulth, resultl;
int resdsp;
achi = 0x00000005;
acli = 0x0000B4CB;
rs = 0xFF060000;
rt = 0xCB000000;
resulth = 0x00000005;
resultl = 0x006838CB;
__asm
("mthi %2, $ac1\n\t"
"mtlo %3, $ac1\n\t"
"maq_s.w.phl $ac1, %4, %5\n\t"
"mfhi %0, $ac1\n\t"
"mflo %1, $ac1\n\t"
: "=r"(acho), "=r"(aclo)
: "r"(achi), "r"(acli), "r"(rs), "r"(rt)
);
assert(resulth == acho);
assert(resultl == aclo);
achi = 0x00000006;
acli = 0x0000B4CB;
rs = 0x80000000;
rt = 0x80000000;
resulth = 0x00000006;
resultl = 0x8000B4CA;
resdsp = 1;
__asm
("mthi %3, $ac1\n\t"
"mtlo %4, $ac1\n\t"
"maq_s.w.phl $ac1, %5, %6\n\t"
"mfhi %0, $ac1\n\t"
"mflo %1, $ac1\n\t"
"rddsp %2\n\t"
: "=r"(acho), "=r"(aclo), "=r"(dsp)
: "r"(achi), "r"(acli), "r"(rs), "r"(rt)
);
assert(resulth == acho);
assert(resultl == aclo);
assert(((dsp >> 17) & 0x01) == resdsp);
return 0;
}