freebsd-dev/lib/msun/i387/e_sqrtf.S

/*
 * Written by J.T. Conklin <jtc@netbsd.org>.
 * Public domain.
 */

#include <machine/asm.h>

__FBSDID("$FreeBSD$");
/* RCSID("$NetBSD: e_sqrtf.S,v 1.2 1995/05/08 23:50:14 jtc Exp $") */

ENTRY(sqrtf)
	flds	4(%esp)
	fsqrt
	ret
END(sqrtf)
Import the subset of J.T. Conklin's single-precision x86-optimized math routines that appear to be (a) correct and (b) faster than their MI counterparts on my Pentium 4. Obtained from: NetBSD 2005-01-13 18:58:25 +00:00			`/*`
			`* Written by J.T. Conklin <jtc@netbsd.org>.`
			`* Public domain.`
			`*/`

			`#include <machine/asm.h>`

			`__FBSDID("$FreeBSD$");`
			`/* RCSID("$NetBSD: e_sqrtf.S,v 1.2 1995/05/08 23:50:14 jtc Exp $") */`

Remove wrappers and other cruft intended to support SVID, mistakes in C90, and other arcana. Most of these features were never fully supported or enabled by default. Ok: bde, stefanf 2005-02-04 14:08:32 +00:00			`ENTRY(sqrtf)`
Import the subset of J.T. Conklin's single-precision x86-optimized math routines that appear to be (a) correct and (b) faster than their MI counterparts on my Pentium 4. Obtained from: NetBSD 2005-01-13 18:58:25 +00:00			`flds 4(%esp)`
			`fsqrt`
			`ret`
Use, in uncovered part, the END() macro in order to improve debugging. In this specific case, Valgrind won't get confused when analyzing such functions. Sponsored by: Sandvine Incorporated Tested by: emaste MFC: 3 days 2009-05-25 14:37:10 +00:00			`END(sqrtf)`