d70080c4e3
Add MIPS ASE DSP testcases. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
80 lines
2.0 KiB
C
80 lines
2.0 KiB
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 rs, rt, dsp;
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int ach = 5, acl = 5;
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int resulth, resultl, resultdsp;
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rs = 0x800000FF;
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rt = 0x00018000;
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resulth = 0x05;
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resultl = 0x80000202;
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resultdsp = 0x01;
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__asm
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("mthi %0, $ac1\n\t"
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"mtlo %1, $ac1\n\t"
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"dpaqx_s.w.ph $ac1, %3, %4\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"(ach), "+r"(acl), "=r"(dsp)
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: "r"(rs), "r"(rt)
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);
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dsp = (dsp >> 17) & 0x01;
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assert(dsp == resultdsp);
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assert(ach == resulth);
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assert(acl == resultl);
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ach = 5;
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acl = 5;
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rs = 0x00FF00FF;
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rt = 0x00010002;
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resulth = 0x05;
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resultl = 0x05FF;
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/***********************************************************
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* Because of we set outflag at last time, although this
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* time we set nothing, but it is stay the last time value.
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**********************************************************/
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resultdsp = 0x01;
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__asm
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("mthi %0, $ac1\n\t"
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"mtlo %1, $ac1\n\t"
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"dpaqx_s.w.ph $ac1, %3, %4\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"(ach), "+r"(acl), "=r"(dsp)
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: "r"(rs), "r"(rt)
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);
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dsp = (dsp >> 17) & 0x01;
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assert(dsp == resultdsp);
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assert(ach == resulth);
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assert(acl == resultl);
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ach = 5;
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acl = 5;
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rs = 0x800000FF;
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rt = 0x00028000;
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resulth = 0x05;
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resultl = 0x80000400;
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resultdsp = 0x01;
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__asm
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("mthi %0, $ac1\n\t"
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"mtlo %1, $ac1\n\t"
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"dpaqx_s.w.ph $ac1, %3, %4\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"(ach), "+r"(acl), "=r"(dsp)
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: "r"(rs), "r"(rt)
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);
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dsp = (dsp >> 17) & 0x01;
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assert(dsp == resultdsp);
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assert(ach == resulth);
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assert(acl == resultl);
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return 0;
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}
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