Behdad Esfahbod wrote: > - If I compile with anything other than -O0, I get all zeros printed. > Any optimization level makes gcc drop the inline assembly away. > Incidentally, no optimization is hardly the best thing to profile. > Adding "volatile" will keep assembly:
asm volatile (".byte 0x0f, 0x31" : "=A" (start));
--
Aivars
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