| | 1 | /* |
| | 2 | * Written by J.T. Conklin <jtc@NetBSD.org>. |
| | 3 | * Public domain. |
| | 4 | * |
| | 5 | * $NetBSD: s_sin.S,v 1.7 2003/07/26 19:25:03 salo Exp $ |
| | 6 | */ |
| | 7 | |
| | 8 | #include <machine/asm.h> |
| | 9 | |
| | 10 | #include "abi.h" |
| | 11 | |
| | 12 | ENTRY(sin) |
| | 13 | XMM_ONE_ARG_DOUBLE_PROLOGUE |
| | 14 | fldl ARG_DOUBLE_ONE |
| | 15 | fsin |
| | 16 | fnstsw %ax |
| | 17 | andw $0x400,%ax |
| | 18 | jnz 1f |
| | 19 | XMM_DOUBLE_EPILOGUE |
| | 20 | ret |
| | 21 | 1: fldpi |
| | 22 | fadd %st(0) |
| | 23 | fxch %st(1) |
| | 24 | 2: fprem1 |
| | 25 | fnstsw %ax |
| | 26 | andw $0x400,%ax |
| | 27 | jnz 2b |
| | 28 | fstp %st(1) |
| | 29 | fsin |
| | 30 | XMM_DOUBLE_EPILOGUE |
| | 31 | ret |
| | 32 | END(sin) |
| | 33 | |
| | 34 | .section .note.GNU-stack,"",%progbits |
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