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Intel IPP Cryptography uses multiple implementations of each function, optimized for various CPUs, and the library version targeted for any CPU contains all of these implementations. With the dispatcher, the library detects an available CPU in a runtime and chooses the best for the current hardware version of a function, hence ignore Yocto march, mtune values and let the project pass those values along with the right optimization flags. https://github.com/intel/ipp-crypto/blob/ippcp_2021.5/OVERVIEW.md#dispatcher Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com> Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
46 lines
2.2 KiB
Diff
46 lines
2.2 KiB
Diff
From b4549bb765d279b5ba042c6340e1dd69d0890b64 Mon Sep 17 00:00:00 2001
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From: Naveen Saini <naveen.kumar.saini@intel.com>
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Date: Thu, 10 Mar 2022 14:30:01 +0800
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Subject: [PATCH 2/2] cmake: exclude Yocto build flags
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Ipp-crypto has its own set of flags and -march values,
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which causes conflict with default -march=nehalem in gcc
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Upstream-Status: Inappropriate
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Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com>
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---
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sources/ippcp/crypto_mb/src/CMakeLists.txt | 2 +-
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sources/ippcp/crypto_mb/src/cmake/linux/GNU.cmake | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/sources/ippcp/crypto_mb/src/CMakeLists.txt b/sources/ippcp/crypto_mb/src/CMakeLists.txt
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index 1ca1a8c..5284d62 100644
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--- a/sources/ippcp/crypto_mb/src/CMakeLists.txt
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+++ b/sources/ippcp/crypto_mb/src/CMakeLists.txt
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@@ -81,7 +81,7 @@ endif()
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set(MB_LIB_TARGET ${MB_DYN_LIB_TARGET})
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set_source_files_properties(${CRYPTO_MB_SOURCES} PROPERTIES COMPILE_DEFINITIONS "${AVX512_LIBRARY_DEFINES}"
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- COMPILE_FLAGS "${AVX512_CFLAGS} ${CMAKE_ASM_FLAGS} ${CMAKE_C_FLAGS_SECURITY}")
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+ COMPILE_FLAGS "${AVX512_CFLAGS} ${CMAKE_C_FLAGS_SECURITY}")
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# Don't specify architectural flags for the assembler for this sources, because of the bug in Intel® C Compiler under MacOS: error: invalid instruction mnemonic 'vkmovb'
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# The bug has been fixed since version 2021.3. This is a workaround to support older versions of Intel® C Compiler.
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diff --git a/sources/ippcp/crypto_mb/src/cmake/linux/GNU.cmake b/sources/ippcp/crypto_mb/src/cmake/linux/GNU.cmake
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index a2abeeb..aadd6e2 100644
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--- a/sources/ippcp/crypto_mb/src/cmake/linux/GNU.cmake
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+++ b/sources/ippcp/crypto_mb/src/cmake/linux/GNU.cmake
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@@ -58,7 +58,7 @@ set(LINK_FLAGS_DYNAMIC "${LINK_FLAGS_DYNAMIC} ${CRYPTO_MB_SOURCES_DIR}/cmake/dll
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# Compiler flags
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# Tells the compiler to align functions and loops
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-set(CMAKE_C_FLAGS " -falign-functions=32 -falign-loops=32")
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+set(CMAKE_C_FLAGS " -falign-functions=32 -falign-loops=32 ${TOOLCHAIN_OPTIONS}")
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# Ensures that compilation takes place in a freestanding environment
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ffreestanding")
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--
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2.17.1
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