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[Bug math/14412] Removal of sysdeps/x86_64/fpu/s_sincos.S causes pdf rendering time regression
- From: "bugdal at aerifal dot cx" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Sat, 28 Jul 2012 22:15:13 +0000
- Subject: [Bug math/14412] Removal of sysdeps/x86_64/fpu/s_sincos.S causes pdf rendering time regression
- Auto-submitted: auto-generated
- References: <bug-14412-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=14412
Rich Felker <bugdal at aerifal dot cx> changed:
What |Removed |Added
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CC| |bugdal at aerifal dot cx
--- Comment #4 from Rich Felker <bugdal at aerifal dot cx> 2012-07-28 22:15:13 UTC ---
Judging from the profiling figures in the bug report, it looks like the problem
is the cost of feraiseexcept, not the cost of correct sin/cos computation.
Would dropping use of feraiseexcept and replacing it with simple arithmetic
that generates the desired exception flags be a viable solution?
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