Clang optimizes out RDTSC asm blocks thinking the repeated block yields the same as the previous ...

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Clang optimizes out RDTSC asm blocks thinking the repeated block yields the same as the previous block. Is this legal?
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(stackoverflow.com/users/6370128/sandthorn)sandthorn
(stackoverflow.com/users/28128/david-grayson)David Grayson
(stackoverflow.com/users/6370128/sandthorn)sandthorn
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inline-assembly rdtsc c++ gcc x86




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Tags:
inline-assembly
rdtsc
c++
gcc
x86