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Diffstat (limited to 'gcc/config/arm/bpabi-v6m.S')
| -rw-r--r-- | gcc/config/arm/bpabi-v6m.S | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/gcc/config/arm/bpabi-v6m.S b/gcc/config/arm/bpabi-v6m.S deleted file mode 100644 index 4ecea6da5a6..00000000000 --- a/gcc/config/arm/bpabi-v6m.S +++ /dev/null @@ -1,318 +0,0 @@ -/* Miscellaneous BPABI functions. ARMv6M implementation - - Copyright (C) 2006, 2008, 2009, 2010 Free Software Foundation, Inc. - Contributed by CodeSourcery. - - 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 3, or (at your option) any - later version. - - 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. - - Under Section 7 of GPL version 3, you are granted additional - permissions described in the GCC Runtime Library Exception, version - 3.1, as published by the Free Software Foundation. - - You should have received a copy of the GNU General Public License and - a copy of the GCC Runtime Library Exception along with this program; - see the files COPYING3 and COPYING.RUNTIME respectively. If not, see - <http://www.gnu.org/licenses/>. */ - -#ifdef __ARM_EABI__ -/* Some attributes that are common to all routines in this file. */ - /* Tag_ABI_align_needed: This code does not require 8-byte - alignment from the caller. */ - /* .eabi_attribute 24, 0 -- default setting. */ - /* Tag_ABI_align_preserved: This code preserves 8-byte - alignment in any callee. */ - .eabi_attribute 25, 1 -#endif /* __ARM_EABI__ */ - -#ifdef L_aeabi_lcmp - -FUNC_START aeabi_lcmp - cmp xxh, yyh - beq 1f - bgt 2f - mov r0, #1 - neg r0, r0 - RET -2: - mov r0, #1 - RET -1: - sub r0, xxl, yyl - beq 1f - bhi 2f - mov r0, #1 - neg r0, r0 - RET -2: - mov r0, #1 -1: - RET - FUNC_END aeabi_lcmp - -#endif /* L_aeabi_lcmp */ - -#ifdef L_aeabi_ulcmp - -FUNC_START aeabi_ulcmp - cmp xxh, yyh - bne 1f - sub r0, xxl, yyl - beq 2f -1: - bcs 1f - mov r0, #1 - neg r0, r0 - RET -1: - mov r0, #1 -2: - RET - FUNC_END aeabi_ulcmp - -#endif /* L_aeabi_ulcmp */ - -.macro test_div_by_zero signed - cmp yyh, #0 - bne 7f - cmp yyl, #0 - bne 7f - cmp xxh, #0 - bne 2f - cmp xxl, #0 -2: - .ifc \signed, unsigned - beq 3f - mov xxh, #0 - mvn xxh, xxh @ 0xffffffff - mov xxl, xxh -3: - .else - beq 5f - blt 6f - mov xxl, #0 - mvn xxl, xxl @ 0xffffffff - lsr xxh, xxl, #1 @ 0x7fffffff - b 5f -6: mov xxh, #0x80 - lsl xxh, xxh, #24 @ 0x80000000 - mov xxl, #0 -5: - .endif - @ tailcalls are tricky on v6-m. - push {r0, r1, r2} - ldr r0, 1f - adr r1, 1f - add r0, r1 - str r0, [sp, #8] - @ We know we are not on armv4t, so pop pc is safe. - pop {r0, r1, pc} - .align 2 -1: - .word __aeabi_ldiv0 - 1b -7: -.endm - -#ifdef L_aeabi_ldivmod - -FUNC_START aeabi_ldivmod - test_div_by_zero signed - - push {r0, r1} - mov r0, sp - push {r0, lr} - ldr r0, [sp, #8] - bl SYM(__gnu_ldivmod_helper) - ldr r3, [sp, #4] - mov lr, r3 - add sp, sp, #8 - pop {r2, r3} - RET - FUNC_END aeabi_ldivmod - -#endif /* L_aeabi_ldivmod */ - -#ifdef L_aeabi_uldivmod - -FUNC_START aeabi_uldivmod - test_div_by_zero unsigned - - push {r0, r1} - mov r0, sp - push {r0, lr} - ldr r0, [sp, #8] - bl SYM(__gnu_uldivmod_helper) - ldr r3, [sp, #4] - mov lr, r3 - add sp, sp, #8 - pop {r2, r3} - RET - FUNC_END aeabi_uldivmod - -#endif /* L_aeabi_uldivmod */ - -#ifdef L_arm_addsubsf3 - -FUNC_START aeabi_frsub - - push {r4, lr} - mov r4, #1 - lsl r4, #31 - eor r0, r0, r4 - bl __aeabi_fadd - pop {r4, pc} - - FUNC_END aeabi_frsub - -#endif /* L_arm_addsubsf3 */ - -#ifdef L_arm_cmpsf2 - -FUNC_START aeabi_cfrcmple - - mov ip, r0 - mov r0, r1 - mov r1, ip - b 6f - -FUNC_START aeabi_cfcmpeq -FUNC_ALIAS aeabi_cfcmple aeabi_cfcmpeq - - @ The status-returning routines are required to preserve all - @ registers except ip, lr, and cpsr. -6: push {r0, r1, r2, r3, r4, lr} - bl __lesf2 - @ Set the Z flag correctly, and the C flag unconditionally. - cmp r0, #0 - @ Clear the C flag if the return value was -1, indicating - @ that the first operand was smaller than the second. - bmi 1f - mov r1, #0 - cmn r0, r1 -1: - pop {r0, r1, r2, r3, r4, pc} - - FUNC_END aeabi_cfcmple - FUNC_END aeabi_cfcmpeq - FUNC_END aeabi_cfrcmple - -FUNC_START aeabi_fcmpeq - - push {r4, lr} - bl __eqsf2 - neg r0, r0 - add r0, r0, #1 - pop {r4, pc} - - FUNC_END aeabi_fcmpeq - -.macro COMPARISON cond, helper, mode=sf2 -FUNC_START aeabi_fcmp\cond - - push {r4, lr} - bl __\helper\mode - cmp r0, #0 - b\cond 1f - mov r0, #0 - pop {r4, pc} -1: - mov r0, #1 - pop {r4, pc} - - FUNC_END aeabi_fcmp\cond -.endm - -COMPARISON lt, le -COMPARISON le, le -COMPARISON gt, ge -COMPARISON ge, ge - -#endif /* L_arm_cmpsf2 */ - -#ifdef L_arm_addsubdf3 - -FUNC_START aeabi_drsub - - push {r4, lr} - mov r4, #1 - lsl r4, #31 - eor xxh, xxh, r4 - bl __aeabi_dadd - pop {r4, pc} - - FUNC_END aeabi_drsub - -#endif /* L_arm_addsubdf3 */ - -#ifdef L_arm_cmpdf2 - -FUNC_START aeabi_cdrcmple - - mov ip, r0 - mov r0, r2 - mov r2, ip - mov ip, r1 - mov r1, r3 - mov r3, ip - b 6f - -FUNC_START aeabi_cdcmpeq -FUNC_ALIAS aeabi_cdcmple aeabi_cdcmpeq - - @ The status-returning routines are required to preserve all - @ registers except ip, lr, and cpsr. -6: push {r0, r1, r2, r3, r4, lr} - bl __ledf2 - @ Set the Z flag correctly, and the C flag unconditionally. - cmp r0, #0 - @ Clear the C flag if the return value was -1, indicating - @ that the first operand was smaller than the second. - bmi 1f - mov r1, #0 - cmn r0, r1 -1: - pop {r0, r1, r2, r3, r4, pc} - - FUNC_END aeabi_cdcmple - FUNC_END aeabi_cdcmpeq - FUNC_END aeabi_cdrcmple - -FUNC_START aeabi_dcmpeq - - push {r4, lr} - bl __eqdf2 - neg r0, r0 - add r0, r0, #1 - pop {r4, pc} - - FUNC_END aeabi_dcmpeq - -.macro COMPARISON cond, helper, mode=df2 -FUNC_START aeabi_dcmp\cond - - push {r4, lr} - bl __\helper\mode - cmp r0, #0 - b\cond 1f - mov r0, #0 - pop {r4, pc} -1: - mov r0, #1 - pop {r4, pc} - - FUNC_END aeabi_dcmp\cond -.endm - -COMPARISON lt, le -COMPARISON le, le -COMPARISON gt, ge -COMPARISON ge, ge - -#endif /* L_arm_cmpdf2 */ |