mirror of https://github.com/acidanthera/audk.git
30 lines
774 B
ArmAsm
30 lines
774 B
ArmAsm
#/** @file
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# Compiler intrinsic for ARM compiler
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#
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# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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# This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http)://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.;
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#
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#**/
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#
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.text
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.p2align 2
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.globl ASM_PFX(__switchu8)
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ASM_PFX(__switchu8):
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ldrb ip,[lr,#-1]
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cmp r3,ip
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ldrccb r3,[lr,r3]
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ldrcsb r3,[lr,ip]
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add ip,lr,r3,LSL #1
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bx ip
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