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diff --git a/sysdeps/i386/fpu/e_acosl.S b/sysdeps/i386/fpu/e_acosl.S
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--- a/sysdeps/i386/fpu/e_acosl.S
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-/*
- * Written by J.T. Conklin <jtc@netbsd.org>.
- * Public domain.
- *
- * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>.
- */
-
-#include <machine/asm.h>
-
-
-/* acosl = atanl (sqrtl(1 - x^2) / x) */
-ENTRY(__ieee754_acosl)
- fldt 4(%esp) /* x */
- fld %st
- fmul %st(0) /* x^2 */
- fld1
- fsubp /* 1 - x^2 */
- fsqrt /* sqrtl (1 - x^2) */
- fxch %st(1)
- fpatan
- ret
-END (__ieee754_acosl)