2 * Copyright (C) 2013 Andrew Turner
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <machine/asm.h>
29 __FBSDID("$FreeBSD$");
31 #include "aeabi_vfp.h"
36 /* void __aeabi_cdcmpeq(double, double) */
45 /* void __aeabi_cdcmple(double, double) */
54 /* void __aeabi_cdrcmple(double, double) */
63 /* int __aeabi_dcmpeq(double, double) */
74 /* int __aeabi_dcmplt(double, double) */
85 /* int __aeabi_dcmple(double, double) */
96 /* int __aeabi_dcmpge(double, double) */
101 vmrs APSR_nzcv, fpscr
107 /* int __aeabi_dcmpgt(double, double) */
109 LOAD_DREG(d0, r0, r1)
110 LOAD_DREG(d1, r2, r3)
112 vmrs APSR_nzcv, fpscr
118 /* int __aeabi_dcmpun(double, double) */
120 LOAD_DREG(d0, r0, r1)
121 LOAD_DREG(d1, r2, r3)
123 vmrs APSR_nzcv, fpscr
129 /* int __aeabi_d2iz(double) */
131 LOAD_DREG(d0, r0, r1)
134 * This should be the correct instruction, but binutils incorrectly
135 * encodes it as the version that used FPSCR to determine the rounding.
136 * When binutils is fixed we can use this again.
146 /* float __aeabi_d2f(double) */
148 LOAD_DREG(d0, r0, r1)
154 /* double __aeabi_i2d(int) */
158 UNLOAD_DREG(r0, r1, d0)
162 /* double __aeabi_dadd(double, double) */
164 LOAD_DREG(d0, r0, r1)
165 LOAD_DREG(d1, r2, r3)
167 UNLOAD_DREG(r0, r1, d0)
171 /* double __aeabi_ddiv(double, double) */
173 LOAD_DREG(d0, r0, r1)
174 LOAD_DREG(d1, r2, r3)
176 UNLOAD_DREG(r0, r1, d0)
180 /* double __aeabi_dmul(double, double) */
182 LOAD_DREG(d0, r0, r1)
183 LOAD_DREG(d1, r2, r3)
185 UNLOAD_DREG(r0, r1, d0)
189 /* double __aeabi_dsub(double, double) */
191 LOAD_DREG(d0, r0, r1)
192 LOAD_DREG(d1, r2, r3)
194 UNLOAD_DREG(r0, r1, d0)