From 206592bb731e6668d2b8f2e01479998cc1ec60d5 Mon Sep 17 00:00:00 2001 From: Sivaprasad Tummala Date: Mon, 17 Apr 2023 05:05:15 -0700 Subject: vppinfra: Multiarch support for AMD EPYC processors Type: feature - Added multiarch support for AMD Zen architectures Change-Id: I65d3fe94b6cc622ebecbe1ac803efa674e87c87a Signed-off-by: Sivaprasad Tummala --- src/cmake/cpu.cmake | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'src/cmake') diff --git a/src/cmake/cpu.cmake b/src/cmake/cpu.cmake index 031a9bcfe93..b54155d4bb3 100644 --- a/src/cmake/cpu.cmake +++ b/src/cmake/cpu.cmake @@ -136,6 +136,11 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*") OFF ) + add_vpp_march_variant(znver3 + FLAGS -march=znver3 -mtune=znver3 -mprefer-vector-width=256 + OFF + ) + if (GNU_ASSEMBLER_AVX512_BUG) message(WARNING "AVX-512 multiarch variant(s) disabled due to GNU Assembler bug") else() @@ -151,6 +156,11 @@ elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "amd64.*|x86_64.*|AMD64.*") FLAGS -march=sapphirerapids -mtune=sapphirerapids -mprefer-vector-width=512 OFF ) + + add_vpp_march_variant(znver4 + FLAGS -march=znver4 -mtune=znver4 -mprefer-vector-width=512 + OFF + ) endif() elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(aarch64.*|AARCH64.*)") set(VPP_DEFAULT_MARCH_FLAGS -march=armv8-a+crc) -- cgit 1.2.3-korg