39 lines
595 B
ArmAsm
39 lines
595 B
ArmAsm
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/*
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* Public domain.
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*/
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#include <machine/asm.h>
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#include <i386-math-asm.h>
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#include <libm-alias-finite.h>
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RCSID("$NetBSD: $")
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.section .rodata.cst4,"aM",@progbits,4
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DEFINE_FLT_MIN
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#ifdef PIC
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# define MO(op) op##@GOTOFF(%ecx)
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#else
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# define MO(op) op
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#endif
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.text
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/* asin = atan (x / sqrt(1 - x^2)) */
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ENTRY(__ieee754_asinf)
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#ifdef PIC
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LOAD_PIC_REG (cx)
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#endif
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flds 4(%esp) /* x */
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fld %st
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fmul %st(0) /* x^2 */
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fld1
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fsubp /* 1 - x^2 */
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fsqrt /* sqrt (1 - x^2) */
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fpatan
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FLT_CHECK_FORCE_UFLOW
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ret
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END (__ieee754_asinf)
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libm_alias_finite (__ieee754_asinf, __asinf)
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