[Bug target/38959] Additional switches to disallow processor supplementary instructions
peter at cordes dot ca
gcc-bugzilla@gcc.gnu.org
Tue Feb 12 09:18:00 GMT 2019
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=38959
--- Comment #4 from Peter Cordes <peter at cordes dot ca> ---
The __builtin_ia32_rdpmc being a pure function bug I mentioned in my previous
comment is already reported and fixed (in gcc9 only): bug 87550
It was present since at least gcc 5.0
https://software.intel.com/en-us/forums/software-tuning-performance-optimization-platform-monitoring/topic/595214
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