1a0db79125
The CLANG assembler does not support the legacy, non-unified assembler syntax, i.e., it does not support the reordering of the condition suffixes with the increment/decrement before/after or byte/word suffixes, and it does not recognize the 'empty descending' (ED) suffix at all. So move to the unified syntax, and replace 'empty descending' with 'decrement after' or 'increment before' as appropriate. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19280 6f19259b-4bc3-4df7-8a09-765794883524
32 lines
863 B
ArmAsm
32 lines
863 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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.syntax unified
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.p2align 2
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GCC_ASM_EXPORT(__switch32)
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ASM_PFX(__switch32):
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ldr ip, [lr, #-1]
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cmp r0, ip
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add r0, lr, r0, lsl #2
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ldrcc r0, [r0, #3]
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add ip, lr, ip, lsl #2
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ldrcs r0, [ip, #3]
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add ip, lr, r0
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bx ip
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