X86: Implement a media average microop.
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@ -955,6 +955,26 @@ let {{
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FpDestReg.uqw = result;
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'''
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class Mavg(MediaOp):
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code = '''
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assert(srcSize == destSize);
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int size = srcSize;
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int sizeBits = size * 8;
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int items = (ext & 0x1) ? 1: (sizeof(FloatRegBits) / size);
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uint64_t result = FpDestReg.uqw;
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for (int i = 0; i < items; i++) {
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int hiIndex = (i + 1) * sizeBits - 1;
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int loIndex = (i + 0) * sizeBits;
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uint64_t arg1Bits = bits(FpSrcReg1.uqw, hiIndex, loIndex);
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uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex);
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uint64_t resBits = (arg1Bits + arg2Bits + 1) / 2;
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result = insertBits(result, hiIndex, loIndex, resBits);
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}
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FpDestReg.uqw = result;
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'''
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class Msad(MediaOp):
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code = '''
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int srcBits = srcSize * 8;
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