24 lines
618 B
C
24 lines
618 B
C
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#include <stdio.h>
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#include <mmintrin.h>
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#define AS_BYTES "%2.2x %2.2x %2.2x %2.2x " \
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"%2.2x %2.2x %2.2x %2.2x"
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#define AS_WORDS "%4.4x %4.4x %4.4x %4.4x"
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#define AS_DWORDS "%8.8lx %8.8lx"
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__m64 a;
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__m64 b = { 0x0004000300020001 };
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__m64 c = { 0xff7fff800080007f };
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void main()
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{
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a = _m_packsswb( b, c );
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printf( "m2="AS_WORDS" "
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"m1="AS_WORDS"\n"
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"mm="AS_BYTES"\n",
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c._16[3], c._16[2], c._16[1], c._16[0],
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b._16[3], b._16[2], b._16[1], b._16[0],
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a._8[7], a._8[6], a._8[5], a._8[4],
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a._8[3], a._8[2], a._8[1], a._8[0] );
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}
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