X86: Add a media integer min microop.
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1 changed files with 38 additions and 0 deletions
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@ -530,6 +530,44 @@ let {{
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FpDestReg.uqw = result;
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'''
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class Mmini(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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int64_t arg1 = arg1Bits |
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(0 - (arg1Bits & (1 << (sizeBits - 1))));
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uint64_t arg2Bits = bits(FpSrcReg2.uqw, hiIndex, loIndex);
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int64_t arg2 = arg2Bits |
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(0 - (arg2Bits & (1 << (sizeBits - 1))));
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uint64_t resBits;
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if (ext & 0x2) {
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if (arg1 < arg2) {
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resBits = arg1Bits;
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} else {
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resBits = arg2Bits;
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}
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} else {
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if (arg1Bits < arg2Bits) {
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resBits = arg1Bits;
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} else {
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resBits = arg2Bits;
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}
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}
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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 Msqrt(MediaOp):
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def __init__(self, dest, src, \
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size = None, destSize = None, srcSize = None, ext = None):
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