101298368SAndrew Turner /* 201298368SAndrew Turner * Copyright (C) 2012 Andrew Turner 301298368SAndrew Turner * All rights reserved. 401298368SAndrew Turner * 501298368SAndrew Turner * Redistribution and use in source and binary forms, with or without 601298368SAndrew Turner * modification, are permitted provided that the following conditions 701298368SAndrew Turner * are met: 801298368SAndrew Turner * 1. Redistributions of source code must retain the above copyright 901298368SAndrew Turner * notice, this list of conditions and the following disclaimer. 1001298368SAndrew Turner * 2. Redistributions in binary form must reproduce the above copyright 1101298368SAndrew Turner * notice, this list of conditions and the following disclaimer in the 1201298368SAndrew Turner * documentation and/or other materials provided with the distribution. 1301298368SAndrew Turner * 1401298368SAndrew Turner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1501298368SAndrew Turner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1601298368SAndrew Turner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1701298368SAndrew Turner * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1801298368SAndrew Turner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1901298368SAndrew Turner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2001298368SAndrew Turner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2101298368SAndrew Turner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2201298368SAndrew Turner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2301298368SAndrew Turner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2401298368SAndrew Turner * SUCH DAMAGE. 2501298368SAndrew Turner * 2601298368SAndrew Turner */ 2701298368SAndrew Turner 2801298368SAndrew Turner #include <sys/cdefs.h> 2901298368SAndrew Turner __FBSDID("$FreeBSD$"); 3001298368SAndrew Turner 3101298368SAndrew Turner #include "softfloat-for-gcc.h" 3201298368SAndrew Turner #include "milieu.h" 3301298368SAndrew Turner #include "softfloat.h" 3401298368SAndrew Turner 35a06918a3SAndrew Turner #include "aeabi_vfp.h" 36a06918a3SAndrew Turner 37a06918a3SAndrew Turner extern int _libc_arm_fpu_present; 38a06918a3SAndrew Turner 3901298368SAndrew Turner flag __unordsf2(float32, float32); 4001298368SAndrew Turner 41a06918a3SAndrew Turner /* These are written in asm and are only called from this file */ 42a06918a3SAndrew Turner int __aeabi_fcmpeq_vfp(float32, float32); 43a06918a3SAndrew Turner int __aeabi_fcmplt_vfp(float32, float32); 44a06918a3SAndrew Turner int __aeabi_fcmple_vfp(float32, float32); 45a06918a3SAndrew Turner int __aeabi_fcmpgt_vfp(float32, float32); 46a06918a3SAndrew Turner int __aeabi_fcmpge_vfp(float32, float32); 47a06918a3SAndrew Turner int __aeabi_fcmpun_vfp(float32, float32); 48a06918a3SAndrew Turner int __aeabi_f2iz_vfp(float32); 49a06918a3SAndrew Turner float64 __aeabi_f2d_vfp(float32); 50a06918a3SAndrew Turner float32 __aeabi_i2f_vfp(int); 51a06918a3SAndrew Turner float32 __aeabi_fadd_vfp(float32, float32); 52a06918a3SAndrew Turner float32 __aeabi_fdiv_vfp(float32, float32); 53a06918a3SAndrew Turner float32 __aeabi_fmul_vfp(float32, float32); 54a06918a3SAndrew Turner float32 __aeabi_fsub_vfp(float32, float32); 5501298368SAndrew Turner 56a06918a3SAndrew Turner /* 57a06918a3SAndrew Turner * Depending on the target these will: 58a06918a3SAndrew Turner * On armv6 with a vfp call the above function, or 59aac3f7c7SAndrew Turner * Call the softfloat function in the 3rd argument. 60a06918a3SAndrew Turner */ 61a06918a3SAndrew Turner int AEABI_FUNC2(fcmpeq, float32, float32_eq) 62a06918a3SAndrew Turner int AEABI_FUNC2(fcmplt, float32, float32_lt) 63a06918a3SAndrew Turner int AEABI_FUNC2(fcmple, float32, float32_le) 64a06918a3SAndrew Turner int AEABI_FUNC2_REV(fcmpge, float32, float32_le) 65a06918a3SAndrew Turner int AEABI_FUNC2_REV(fcmpgt, float32, float32_lt) 66a06918a3SAndrew Turner int AEABI_FUNC2(fcmpun, float32, __unordsf2) 6701298368SAndrew Turner 68a06918a3SAndrew Turner int AEABI_FUNC(f2iz, float32, float32_to_int32_round_to_zero) 69a06918a3SAndrew Turner float64 AEABI_FUNC(f2d, float32, float32_to_float64) 70a06918a3SAndrew Turner float32 AEABI_FUNC(i2f, int, int32_to_float32) 7101298368SAndrew Turner 72a06918a3SAndrew Turner float32 AEABI_FUNC2(fadd, float32, float32_add) 73a06918a3SAndrew Turner float32 AEABI_FUNC2(fdiv, float32, float32_div) 74a06918a3SAndrew Turner float32 AEABI_FUNC2(fmul, float32, float32_mul) 75a06918a3SAndrew Turner float32 AEABI_FUNC2(fsub, float32, float32_sub) 7601298368SAndrew Turner 77*cb8bcafaSAndrew Turner int 78*cb8bcafaSAndrew Turner __aeabi_cfcmpeq_helper(float32 a, float32 b) 79*cb8bcafaSAndrew Turner { 80*cb8bcafaSAndrew Turner int quiet = 0; 81*cb8bcafaSAndrew Turner 82*cb8bcafaSAndrew Turner /* Check if a is a NaN */ 83*cb8bcafaSAndrew Turner if ((a << 1) > 0xff000000u) { 84*cb8bcafaSAndrew Turner /* If it's a signalling NaN we will always signal */ 85*cb8bcafaSAndrew Turner if ((a & 0x00400000u) == 0) 86*cb8bcafaSAndrew Turner return (0); 87*cb8bcafaSAndrew Turner 88*cb8bcafaSAndrew Turner quiet = 1; 89*cb8bcafaSAndrew Turner } 90*cb8bcafaSAndrew Turner 91*cb8bcafaSAndrew Turner /* Check if b is a NaN */ 92*cb8bcafaSAndrew Turner if ((b << 1) > 0xff000000u) { 93*cb8bcafaSAndrew Turner /* If it's a signalling NaN we will always signal */ 94*cb8bcafaSAndrew Turner if ((b & 0x00400000u) == 0) 95*cb8bcafaSAndrew Turner return (0); 96*cb8bcafaSAndrew Turner 97*cb8bcafaSAndrew Turner quiet = 1; 98*cb8bcafaSAndrew Turner } 99*cb8bcafaSAndrew Turner 100*cb8bcafaSAndrew Turner return (quiet); 101*cb8bcafaSAndrew Turner } 102