audk/ArmPkg/Library/ArmSoftFloatLib/Arm/__aeabi_cfcmp.asm

44 lines
1.4 KiB
NASM

//------------------------------------------------------------------------------
//
// Copyright (c) 2015, Linaro Limited. All rights reserved.
//
// This program and the accompanying materials
// are licensed and made available under the terms and conditions of the BSD License
// which accompanies this distribution. The full text of the license may be found at
// http://opensource.org/licenses/bsd-license.php
//
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
//------------------------------------------------------------------------------
EXPORT __aeabi_cfrcmple
EXPORT __aeabi_cfcmpeq
EXPORT __aeabi_cfcmple
IMPORT _softfloat_float32_eq
IMPORT _softfloat_float32_lt
AREA __aeabi_cfcmp, CODE, READONLY
PRESERVE8
__aeabi_cfrcmple
MOV IP, R0
MOV R0, R1
MOV R1, IP
__aeabi_cfcmpeq
__aeabi_cfcmple
PUSH {R0 - R3, IP, LR}
BL _softfloat_float32_eq
SUB IP, R0, #1
CMP IP, #0 // sets C and Z if R0 == 1
POPEQ {R0 - R3, IP, PC}
LDM SP, {R0 - R1}
BL _softfloat_float32_lt
SUB IP, R0, #1
CMP IP, #1 // sets C if R0 == 0
POP {R0 - R3, IP, PC}
END