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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11293 6f19259b-4bc3-4df7-8a09-765794883524
32 lines
849 B
ArmAsm
32 lines
849 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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GCC_ASM_EXPORT(__switch16)
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ASM_PFX(__switch16):
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ldrh ip, [lr, #-1]
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cmp r0, ip
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add r0, lr, r0, lsl #1
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ldrccsh r0, [r0, #1]
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add ip, lr, ip, lsl #1
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ldrcssh r0, [ip, #1]
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add ip, lr, r0, lsl #1
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bx ip
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