| /* Miscellaneous BPABI functions. |
| |
| Copyright (C) 2003, 2004, 2007, 2008 Free Software Foundation, Inc. |
| Contributed by CodeSourcery, LLC. |
| |
| This file is free software; you can redistribute it and/or modify it |
| under the terms of the GNU General Public License as published by the |
| Free Software Foundation; either version 2, or (at your option) any |
| later version. |
| |
| In addition to the permissions in the GNU General Public License, the |
| Free Software Foundation gives you unlimited permission to link the |
| compiled version of this file into combinations with other programs, |
| and to distribute those combinations without any restriction coming |
| from the use of this file. (The General Public License restrictions |
| do apply in other respects; for example, they cover modification of |
| the file, and distribution when not linked into a combine |
| executable.) |
| |
| This file is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; see the file COPYING. If not, write to |
| the Free Software Foundation, 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. */ |
| |
| |
| #include "macros.h" |
| |
| #ifdef __ARMEB__ |
| #define xxh r0 |
| #define xxl r1 |
| #define yyh r2 |
| #define yyl r3 |
| #else |
| #define xxh r1 |
| #define xxl r0 |
| #define yyh r3 |
| #define yyl r2 |
| #endif |
| |
| #if defined __thumb2__ |
| |
| .macro do_it cond |
| it \cond |
| .endm |
| #define do_push push |
| #define do_pop pop |
| |
| #else |
| |
| .macro do_it cond |
| .endm |
| #define do_push stmfd sp!, |
| #define do_pop ldmfd sp!, |
| |
| #endif |
| |
| ENTRY(__aeabi_lcmp) |
| |
| cmp xxh, yyh |
| do_it lt |
| movlt r0, #-1 |
| do_it gt |
| movgt r0, #1 |
| do_it ne |
| movne pc, lr |
| subs r0, xxl, yyl |
| do_it lo |
| movlo r0, #-1 |
| do_it hi |
| movhi r0, #1 |
| mov pc, lr |
| |
| ENDPROC(__aeabi_lcmp) |
| |
| ENTRY(__aeabi_ulcmp) |
| |
| cmp xxh, yyh |
| do_it lo |
| movlo r0, #-1 |
| do_it hi |
| movhi r0, #1 |
| do_it ne |
| movne pc, lr |
| cmp xxl, yyl |
| do_it lo |
| movlo r0, #-1 |
| do_it hi |
| movhi r0, #1 |
| do_it eq |
| moveq r0, #0 |
| mov pc, lr |
| |
| ENDPROC(__aeabi_ulcmp) |
| |
| ENTRY(__aeabi_ldivmod) |
| sub sp, sp, #8 |
| #if defined(__thumb2__) |
| mov ip, sp |
| push {ip, lr} |
| #else |
| do_push {sp, lr} |
| #endif |
| bl __gnu_ldivmod_helper |
| ldr lr, [sp, #4] |
| add sp, sp, #8 |
| do_pop {r2, r3} |
| mov pc, lr |
| |
| ENDPROC(__aeabi_ldivmod) |
| |
| ENTRY(__aeabi_uldivmod) |
| sub sp, sp, #8 |
| #if defined(__thumb2__) |
| mov ip, sp |
| push {ip, lr} |
| #else |
| do_push {sp, lr} |
| #endif |
| bl __gnu_uldivmod_helper |
| ldr lr, [sp, #4] |
| add sp, sp, #8 |
| do_pop {r2, r3} |
| mov pc, lr |
| |
| ENDPROC(__aeabi_uldivmod) |