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> Compiler Internals > small bug in movmskpd instruction |
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CandyMan 21 Nov 2014, 19:52
Code: use64 movmskpd r8,xmm9 ;\ the same code is generated movmskpd r8d,xmm9;/ _________________ smaller is better |
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21 Nov 2014, 19:52 |
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tthsqe 21 Nov 2014, 23:08
and the same code should be generated. any write to lower 32 bits automatically zeroes the upper 32 bits.
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21 Nov 2014, 23:08 |
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