//------------------------------------------------------------------------------ // // Copyright (c) 2008 - 2009, Apple Inc. 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. // //------------------------------------------------------------------------------ .text .align 2 .globl ASM_PFX(__aeabi_ldivmod) // // A pair of (unsigned) long longs is returned in {{r0, r1}, {r2, r3}}, // the quotient in {r0, r1}, and the remainder in {r2, r3}. // //__value_in_regs lldiv_t //EFIAPI //__aeabi_ldivmod ( // IN UINT64 Dividen // IN UINT64 Divisor // )// // ASM_PFX(__aeabi_ldivmod): PUSH {r4,lr} ASRS r4,r1,#1 EOR r4,r4,r3,LSR #1 BPL L_Test1 RSBS r0,r0,#0 RSC r1,r1,#0 L_Test1: TST r3,r3 BPL L_Test2 RSBS r2,r2,#0 RSC r3,r3,#0 L_Test2: BL ASM_PFX(__aeabi_uldivmod) TST r4,#0x40000000 BEQ L_Test3 RSBS r0,r0,#0 RSC r1,r1,#0 L_Test3: TST r4,#0x80000000 BEQ L_Exit RSBS r2,r2,#0 RSC r3,r3,#0 L_Exit: POP {r4,pc}