/* * Copyright (C) 2013 Andrew Turner * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #include __FBSDID("$FreeBSD$"); #include "aeabi_vfp.h" .fpu vfp .syntax unified /* void __aeabi_cfcmpeq(float, float) */ AEABI_ENTRY(cfcmpeq) LOAD_SREGS(s0, s1, r0, r1) vcmp.f32 s0, s1 vmrs APSR_nzcv, fpscr RET AEABI_END(cfcmpeq) /* void __aeabi_cfcmple(float, float) */ AEABI_ENTRY(cfcmple) LOAD_SREGS(s0, s1, r0, r1) vcmpe.f32 s0, s1 vmrs APSR_nzcv, fpscr RET AEABI_END(cfcmple) /* void __aeabi_cfrcmple(float, float) */ AEABI_ENTRY(cfrcmple) LOAD_SREGS(s0, s1, r0, r1) vcmpe.f32 s1, s0 vmrs APSR_nzcv, fpscr RET AEABI_END(cfrcmple) /* int __aeabi_fcmpeq(float, float) */ AEABI_ENTRY(fcmpeq) LOAD_SREGS(s0, s1, r0, r1) vcmp.f32 s0, s1 vmrs APSR_nzcv, fpscr ite ne movne r0, #0 moveq r0, #1 RET AEABI_END(fcmpeq) /* int __aeabi_fcmplt(float, float) */ AEABI_ENTRY(fcmplt) LOAD_SREGS(s0, s1, r0, r1) vcmp.f32 s0, s1 vmrs APSR_nzcv, fpscr ite cs movcs r0, #0 movcc r0, #1 RET AEABI_END(fcmplt) /* int __aeabi_fcmple(float, float) */ AEABI_ENTRY(fcmple) LOAD_SREGS(s0, s1, r0, r1) vcmp.f32 s0, s1 vmrs APSR_nzcv, fpscr ite hi movhi r0, #0 movls r0, #1 RET AEABI_END(fcmple) /* int __aeabi_fcmpge(float, float) */ AEABI_ENTRY(fcmpge) LOAD_SREGS(s0, s1, r0, r1) vcmp.f32 s0, s1 vmrs APSR_nzcv, fpscr ite lt movlt r0, #0 movge r0, #1 RET AEABI_END(fcmpge) /* int __aeabi_fcmpgt(float, float) */ AEABI_ENTRY(fcmpgt) LOAD_SREGS(s0, s1, r0, r1) vcmp.f32 s0, s1 vmrs APSR_nzcv, fpscr ite le movle r0, #0 movgt r0, #1 RET AEABI_END(fcmpgt) /* int __aeabi_fcmpun(float, float) */ AEABI_ENTRY(fcmpun) LOAD_SREGS(s0, s1, r0, r1) vcmp.f32 s0, s1 vmrs APSR_nzcv, fpscr ite vc movvc r0, #0 movvs r0, #1 RET AEABI_END(fcmpun) /* int __aeabi_f2iz(float) */ AEABI_ENTRY(f2iz) LOAD_SREG(s0, r0) #if 0 /* * This should be the correct instruction, but binutils incorrectly * encodes it as the version that used FPSCR to determine the rounding. * When binutils is fixed we can use this again. */ vcvt.s32.f32 s0, s0 #else ftosizs s0, s0 #endif vmov r0, s0 RET AEABI_END(f2iz) /* double __aeabi_f2d(float) */ AEABI_ENTRY(f2d) LOAD_SREG(s0, r0) vcvt.f64.f32 d0, s0 UNLOAD_DREG(r0, r1, d0) RET AEABI_END(f2d) /* float __aeabi_i2f(int) */ AEABI_ENTRY(i2f) vmov s0, r0 vcvt.f32.s32 s0, s0 UNLOAD_SREG(r0, s0) RET AEABI_END(i2f) /* float __aeabi_fadd(float, float) */ AEABI_ENTRY(fadd) LOAD_SREGS(s0, s1, r0, r1) vadd.f32 s0, s0, s1 UNLOAD_SREG(r0, s0) RET AEABI_END(fadd) /* float __aeabi_fmul(float, float) */ AEABI_ENTRY(fdiv) LOAD_SREGS(s0, s1, r0, r1) vdiv.f32 s0, s0, s1 UNLOAD_SREG(r0, s0) RET AEABI_END(fdiv) /* float __aeabi_fmul(float, float) */ AEABI_ENTRY(fmul) LOAD_SREGS(s0, s1, r0, r1) vmul.f32 s0, s0, s1 UNLOAD_SREG(r0, s0) RET AEABI_END(fmul) /* float __aeabi_fsub(float, float) */ AEABI_ENTRY(fsub) LOAD_SREGS(s0, s1, r0, r1) vsub.f32 s0, s0, s1 UNLOAD_SREG(r0, s0) RET AEABI_END(fsub) .section .note.GNU-stack,"",%progbits