Ard Biesheuvel 903e31242d ArmPkg/CompilerIntrinsicsLib: switch to ASM_FUNC() asm macro
Annotate functions with ASM_FUNC() so that they are emitted into
separate sections. Note that in some cases, various entry points
refer to different parts of the same routine, so in those cases,
the files have been left untouched.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
2016-08-11 12:40:51 +02:00

243 lines
4.6 KiB
ArmAsm

#------------------------------------------------------------------------------
#
# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
#
# 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.
#
#------------------------------------------------------------------------------
#include <AsmMacroIoLib.h>
.syntax unified
ASM_FUNC(__udivmoddi4)
stmfd sp!, {r4, r5, r6, r7, lr}
add r7, sp, #12
stmfd sp!, {r10, r11}
sub sp, sp, #20
stmia sp, {r2-r3}
ldr r6, [sp, #48]
orrs r2, r2, r3
mov r10, r0
mov r11, r1
beq L2
subs ip, r1, #0
bne L4
cmp r3, #0
bne L6
cmp r6, #0
beq L8
mov r1, r2
bl ASM_PFX(__umodsi3)
mov r1, #0
stmia r6, {r0-r1}
L8:
ldr r1, [sp, #0]
mov r0, r10
b L45
L6:
cmp r6, #0
movne r1, #0
stmiane r6, {r0-r1}
b L2
L4:
ldr r1, [sp, #0]
cmp r1, #0
bne L12
ldr r2, [sp, #4]
cmp r2, #0
bne L14
cmp r6, #0
beq L16
mov r1, r2
mov r0, r11
bl ASM_PFX(__umodsi3)
mov r1, #0
stmia r6, {r0-r1}
L16:
ldr r1, [sp, #4]
mov r0, r11
L45:
bl ASM_PFX(__udivsi3)
L46:
mov r10, r0
mov r11, #0
b L10
L14:
subs r1, r0, #0
bne L18
cmp r6, #0
beq L16
ldr r1, [sp, #4]
mov r0, r11
bl ASM_PFX(__umodsi3)
mov r4, r10
mov r5, r0
stmia r6, {r4-r5}
b L16
L18:
sub r3, r2, #1
tst r2, r3
bne L22
cmp r6, #0
movne r4, r0
andne r5, ip, r3
stmiane r6, {r4-r5}
L24:
rsb r3, r2, #0
and r3, r2, r3
clz r3, r3
rsb r3, r3, #31
mov r0, ip, lsr r3
b L46
L22:
clz r2, r2
clz r3, ip
rsb r3, r3, r2
cmp r3, #30
bhi L48
rsb r2, r3, #31
add lr, r3, #1
mov r3, r1, asl r2
str r3, [sp, #12]
mov r3, r1, lsr lr
ldr r0, [sp, #0]
mov r5, ip, lsr lr
orr r4, r3, ip, asl r2
str r0, [sp, #8]
b L29
L12:
ldr r3, [sp, #4]
cmp r3, #0
bne L30
sub r3, r1, #1
tst r1, r3
bne L32
cmp r6, #0
andne r3, r3, r0
movne r2, r3
movne r3, #0
stmiane r6, {r2-r3}
L34:
cmp r1, #1
beq L10
rsb r3, r1, #0
and r3, r1, r3
clz r3, r3
rsb r0, r3, #31
mov r1, ip, lsr r0
rsb r3, r0, #32
mov r0, r10, lsr r0
orr ip, r0, ip, asl r3
str r1, [sp, #12]
str ip, [sp, #8]
ldrd r10, [sp, #8]
b L10
L32:
clz r2, r1
clz r3, ip
rsb r3, r3, r2
rsb r4, r3, #31
mov r2, r0, asl r4
mvn r1, r3
and r2, r2, r1, asr #31
add lr, r3, #33
str r2, [sp, #8]
add r2, r3, #1
mov r3, r3, asr #31
and r0, r3, r0, asl r1
mov r3, r10, lsr r2
orr r3, r3, ip, asl r4
and r3, r3, r1, asr #31
orr r0, r0, r3
mov r3, ip, lsr lr
str r0, [sp, #12]
mov r0, r10, lsr lr
and r5, r3, r2, asr #31
rsb r3, lr, #31
mov r3, r3, asr #31
orr r0, r0, ip, asl r1
and r3, r3, ip, lsr r2
and r0, r0, r2, asr #31
orr r4, r3, r0
b L29
L30:
clz r2, r3
clz r3, ip
rsb r3, r3, r2
cmp r3, #31
bls L37
L48:
cmp r6, #0
stmiane r6, {r10-r11}
b L2
L37:
rsb r1, r3, #31
mov r0, r0, asl r1
add lr, r3, #1
mov r2, #0
str r0, [sp, #12]
mov r0, r10, lsr lr
str r2, [sp, #8]
sub r2, r3, #31
and r0, r0, r2, asr #31
mov r3, ip, lsr lr
orr r4, r0, ip, asl r1
and r5, r3, r2, asr #31
L29:
mov ip, #0
mov r10, ip
b L40
L41:
ldr r1, [sp, #12]
ldr r2, [sp, #8]
mov r3, r4, lsr #31
orr r5, r3, r5, asl #1
mov r3, r1, lsr #31
orr r4, r3, r4, asl #1
mov r3, r2, lsr #31
orr r0, r3, r1, asl #1
orr r1, ip, r2, asl #1
ldmia sp, {r2-r3}
str r0, [sp, #12]
subs r2, r2, r4
sbc r3, r3, r5
str r1, [sp, #8]
subs r0, r2, #1
sbc r1, r3, #0
mov r2, r1, asr #31
ldmia sp, {r0-r1}
mov r3, r2
and ip, r2, #1
and r3, r3, r1
and r2, r2, r0
subs r4, r4, r2
sbc r5, r5, r3
add r10, r10, #1
L40:
cmp r10, lr
bne L41
ldrd r0, [sp, #8]
adds r0, r0, r0
adc r1, r1, r1
cmp r6, #0
orr r10, r0, ip
mov r11, r1
stmiane r6, {r4-r5}
b L10
L2:
mov r10, #0
mov r11, #0
L10:
mov r0, r10
mov r1, r11
sub sp, r7, #20
ldmfd sp!, {r10, r11}
ldmfd sp!, {r4, r5, r6, r7, pc}