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00945f87ef
Requires updating assembly sources that upstream uses from https://github.com/antonblanchard/crc32-vpmsum to build with clang. Approved by: tier 2 blanket
68 lines
1.8 KiB
ArmAsm
68 lines
1.8 KiB
ArmAsm
--- src/common/crc32c_ppc_asm.S.orig 2021-01-02 03:36:51.991947000 +0100
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+++ src/common/crc32c_ppc_asm.S 2021-01-02 03:37:48.304305000 +0100
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@@ -17,16 +17,25 @@
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* http://en.wikipedia.org/wiki/Barrett_reduction
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*
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* Copyright (C) 2015 Anton Blanchard <anton@au.ibm.com>, IBM
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- * Copyright (C) 2017 International Business Machines Corp.
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- * All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License
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- * as published by the Free Software Foundation; either version
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- * 2 of the License, or (at your option) any later version.
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+ * modify it under the terms of either:
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+ *
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+ * a) the GNU General Public License as published by the Free Software
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+ * Foundation; either version 2 of the License, or (at your option)
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+ * any later version, or
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+ * b) the Apache License, Version 2.0
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*/
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+
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+#if defined (__clang__)
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+#ifndef __ALTIVEC__
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+#define __ALTIVEC__
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+#endif
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+#include "ppc-asm.h"
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+#else
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#include <ppc-asm.h>
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-#include "common/ppc-opcode.h"
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+#endif
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+#include "ppc-opcode.h"
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#undef toc
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@@ -45,8 +54,11 @@
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/* byte reverse permute constant */
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.octa 0x0F0E0D0C0B0A09080706050403020100
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-#define __ASSEMBLY__
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-#include "crc32c_ppc_constants.h"
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+#ifdef CRC32_CONSTANTS_HEADER
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+#include CRC32_CONSTANTS_HEADER
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+#else
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+#include "crc32c_ppc_constants.h"
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+#endif
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.text
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@@ -80,8 +92,12 @@
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#define VPERM(A, B, C, D)
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#endif
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+#ifndef CRC32_FUNCTION_ASM
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+#define CRC32_FUNCTION_ASM __crc32_vpmsum
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+#endif
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+
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/* unsigned int __crc32_vpmsum(unsigned int crc, void *p, unsigned long len) */
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-FUNC_START(__crc32_vpmsum)
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+FUNC_START(CRC32_FUNCTION_ASM)
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std r31,-8(r1)
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std r30,-16(r1)
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std r29,-24(r1)
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@@ -768,4 +784,4 @@
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mr r3,r10
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b .Lout
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-FUNC_END(__crc32_vpmsum)
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+FUNC_END(CRC32_FUNCTION_ASM)
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