diff options
Diffstat (limited to 'third_party/libaeabi-cortexm0/core/cortex-m/ldivmod.S')
| -rw-r--r-- | third_party/libaeabi-cortexm0/core/cortex-m/ldivmod.S | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/third_party/libaeabi-cortexm0/core/cortex-m/ldivmod.S b/third_party/libaeabi-cortexm0/core/cortex-m/ldivmod.S deleted file mode 100644 index f3709af41a..0000000000 --- a/third_party/libaeabi-cortexm0/core/cortex-m/ldivmod.S +++ /dev/null @@ -1,86 +0,0 @@ -/* Runtime ABI for the ARM Cortex-M - * ldivmod.S: signed 64 bit division (quotient and remainder) - * - * Copyright (c) 2012 Jörg Mische <bobbl@gmx.de> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT - * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - - - - .syntax unified - .text - .code 16 - - -@ {long long quotient, long long remainder} -@ __aeabi_ldivmod(long long numerator, long long denominator) -@ -@ Divide r1:r0 by r3:r2 and return the quotient in r1:r0 and the remainder in -@ r3:r2 (all signed) -@ - .thumb_func - .section .text.__aeabi_ldivmod - .global __aeabi_ldivmod -__aeabi_ldivmod: - - cmp r1, #0 - bge L_num_pos - - push {r4, lr} - movs r4, #0 @ num = -num - rsbs r0, r0, #0 - sbcs r4, r1 - mov r1, r4 - - cmp r3, #0 - bge L_neg_both - - movs r4, #0 @ den = -den - rsbs r2, r2, #0 - sbcs r4, r3 - mov r3, r4 - bl __aeabi_uldivmod - movs r4, #0 @ rem = -rem - rsbs r2, r2, #0 - sbcs r4, r3 - mov r3, r4 - pop {r4, pc} - -L_neg_both: - bl __aeabi_uldivmod - movs r4, #0 @ quot = -quot - rsbs r0, r0, #0 - sbcs r4, r1 - mov r1, r4 - movs r4, #0 @ rem = -rem - rsbs r2, r2, #0 - sbcs r4, r3 - mov r3, r4 - pop {r4, pc} - -L_num_pos: - cmp r3, #0 - bge __aeabi_uldivmod - - push {r4, lr} - movs r4, #0 @ den = -den - rsbs r2, r2, #0 - sbcs r4, r3 - mov r3, r4 - bl __aeabi_uldivmod - movs r4, #0 @ quot = -quot - rsbs r0, r0, #0 - sbcs r4, r1 - mov r1, r4 - pop {r4, pc} |