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[Bug math/6406] Improve performance of libm wrapper functions.
- From: "sjmunroe at us dot ibm dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 26 Jun 2008 14:12:42 -0000
- Subject: [Bug math/6406] Improve performance of libm wrapper functions.
- References: <20080415015106.6406.sjmunroe@us.ibm.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From sjmunroe at us dot ibm dot com 2008-06-26 14:12 -------
HJ this is the proposal I mentioned to you at GCC Summit. It way for each
platform to inline the isnan, isinf, finite, etc test in the libm function
wrappers (i.e w_pow.c)
Is uses macros defined in math-private.h to inline the various (redundent) tests
required to set errno (if needed). The generic ./math/math_private.h maintains
the status quo, but a platform can override math_private.h to define macros that
work best for them.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=6406
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