d70080c4e3
Add MIPS ASE DSP testcases. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
49 lines
906 B
C
49 lines
906 B
C
#include<stdio.h>
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#include<assert.h>
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int main()
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{
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int rt, ach, acl, dsp;
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int result;
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ach = 0x05;
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acl = 0xB4CB;
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result = 0xA0001699;
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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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"extr.w %0, $ac1, 0x03\n\t"
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"rddsp %1\n\t"
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: "=r"(rt), "=r"(dsp)
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: "r"(ach), "r"(acl)
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);
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dsp = (dsp >> 23) & 0x01;
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assert(dsp == 1);
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assert(result == rt);
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/* Clear dspcontrol */
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dsp = 0;
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__asm
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("wrdsp %0\n\t"
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:
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: "r"(dsp)
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);
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ach = 0x01;
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acl = 0xB4CB;
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result = 0x10000B4C;
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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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"extr.w %0, $ac1, 0x04\n\t"
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"rddsp %1\n\t"
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: "=r"(rt), "=r"(dsp)
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: "r"(ach), "r"(acl)
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);
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dsp = (dsp >> 23) & 0x01;
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assert(dsp == 0);
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assert(result == rt);
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return 0;
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}
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