Date: Wed, 05 Apr 2017 06:24:50 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 218387] -march=native or any specific CPU with clang seems to produce a lot of x87 instructions Message-ID: <bug-218387-8-cN7Xaab5tc@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-218387-8@https.bugs.freebsd.org/bugzilla/> References: <bug-218387-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D218387 Rodney W. Grimes <rgrimes@FreeBSD.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |rgrimes@FreeBSD.org --- Comment #3 from Rodney W. Grimes <rgrimes@FreeBSD.org> --- Attempting to confirm. Using FreeBSD 11.0-STABLE #0 r316340 system. Built src/lib/msun with /etc/make.conf containing CPUTYPE=3Dsandybridge clang -v FreeBSD clang version 3.8.0 (tags/RELEASE_380/final 262564) (based on LLVM 3.8.0) objdump -dSRC libm.so.5 indicates lots of legacy fpu instructions like fmuls instead of mulss as well as usage of the %st() registers --=20 You are receiving this mail because: You are the assignee for the bug.=
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