mirror of https://gitee.com/openkylin/qemu.git
58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
#include "io.h"
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int main(void)
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{
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long long rs, rt, dsp;
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long long achi, acli;
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long long acho, aclo;
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long long resl, resh;
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achi = 0x4;
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acli = 0x4;
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rs = 0x5678123443218765;
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rt = 0x4321876556781234;
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resh = 0x4;
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resl = 0x342fcbd4;
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__asm
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("mthi %2, $ac1\n\t"
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"mtlo %3, $ac1\n\t"
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"mulsaq_s.w.qh $ac1, %4, %5\n\t"
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"mfhi %0, $ac1\n\t"
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"mflo %1, $ac1\n\t"
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: "=r"(acho), "=r"(aclo)
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: "r"(achi), "r"(acli), "r"(rs), "r"(rt)
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);
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if ((acho != resh) || (aclo != resl)) {
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printf("1 mulsaq_s.w.qh wrong\n");
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return -1;
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}
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achi = 0x4;
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acli = 0x4;
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rs = 0x8000800087654321;
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rt = 0x8000800012345678;
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resh = 0x3;
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resl = 0xffffffffe5e81a1c;
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__asm
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("mthi %3, $ac1\n\t"
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"mtlo %4, $ac1\n\t"
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"mulsaq_s.w.qh $ac1, %5, %6\n\t"
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"mfhi %0, $ac1\n\t"
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"mflo %1, $ac1\n\t"
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"rddsp %2\n\t"
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: "=r"(acho), "=r"(aclo), "=r"(dsp)
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: "r"(achi), "r"(acli), "r"(rs), "r"(rt)
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);
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dsp = (dsp >> 17) & 0x1;
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if ((dsp != 0x1) || (acho != resh) || (aclo != resl)) {
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printf("2 mulsaq_s.w.qh wrong\n");
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return -1;
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}
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return 0;
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}
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