Add some missing 64-bit math functions for gcc

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9715 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
AJFISH 2010-01-12 18:23:25 +00:00
parent 95157291b0
commit 06dc4de11b
4 changed files with 151 additions and 1 deletions

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@ -0,0 +1,57 @@
#------------------------------------------------------------------------------
#
# Copyright (c) 2008-2010 Apple Inc. All rights reserved.
#
# 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 ___clzsi2
___clzsi2:
@ args = 0, pretend = 0, frame = 0
@ frame_needed = 1, uses_anonymous_args = 0
stmfd sp!, {r7, lr}
add r7, sp, #0
movs r3, r0, lsr #16
movne r3, #16
moveq r3, #0
movne r9, #0
moveq r9, #16
mov r3, r0, lsr r3
tst r3, #65280
movne r0, #8
moveq r0, #0
movne lr, #0
moveq lr, #8
mov r3, r3, lsr r0
tst r3, #240
movne r0, #4
moveq r0, #0
movne ip, #0
moveq ip, #4
mov r3, r3, lsr r0
tst r3, #12
movne r0, #2
moveq r0, #0
movne r1, #0
moveq r1, #2
mov r2, r3, lsr r0
add r3, lr, r9
add r0, r3, ip
add r1, r0, r1
mov r0, r2, lsr #1
eor r0, r0, #1
ands r0, r0, #1
mvnne r0, #0
rsb r3, r2, #2
and r0, r0, r3
add r0, r1, r0
ldmfd sp!, {r7, pc}

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#------------------------------------------------------------------------------
#
# Copyright (c) 2008-2010 Apple Inc. All rights reserved.
#
# 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 ___ctzsi2
___ctzsi2:
@ args = 0, pretend = 0, frame = 0
@ frame_needed = 0, uses_anonymous_args = 0
@ link register save eliminated.
uxth r3, r0
cmp r3, #0
moveq ip, #16
movne ip, #0
@ lr needed for prologue
mov r0, r0, lsr ip
tst r0, #255
movne r3, #0
moveq r3, #8
mov r0, r0, lsr r3
tst r0, #15
movne r1, #0
moveq r1, #4
add r3, r3, ip
mov r0, r0, lsr r1
tst r0, #3
movne r2, #0
moveq r2, #2
add r3, r3, r1
mov r0, r0, lsr r2
and r0, r0, #3
add r2, r3, r2
eor r3, r0, #1
mov r0, r0, lsr #1
ands r3, r3, #1
mvnne r3, #0
rsb r0, r0, #2
and r0, r3, r0
add r0, r2, r0
bx lr

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@ -0,0 +1,39 @@
#------------------------------------------------------------------------------
#
# Copyright (c) 2008-2010 Apple Inc. All rights reserved.
#
# 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 ___ucmpdi2
___ucmpdi2:
@ args = 0, pretend = 0, frame = 0
@ frame_needed = 0, uses_anonymous_args = 0
stmfd sp!, {r4, r5, r8, lr}
cmp r1, r3
mov r8, r0
mov r4, r2
mov r5, r3
bcc L2
bhi L4
cmp r0, r2
bcc L2
movls r0, #1
bls L8
b L4
L2:
mov r0, #0
b L8
L4:
mov r0, #2
L8:
ldmfd sp!, {r4, r5, r8, pc}

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@ -1,4 +1,4 @@
#%HEADER%
#/** @file
# Base Library implementation.
#
@ -79,6 +79,9 @@
# Arm/clzsi2.c | GCC
# Arm/ctzsi2.c | GCC
# Arm/ucmpdi2.c | GCC
Arm/clzsi2.S | GCC
Arm/ctzsi2.S | GCC
Arm/ucmpdi2.S | GCC
Arm/switch8.S | GCC
Arm/switchu8.S | GCC
Arm/switch16.S | GCC