[PATCH 0/6] allow faster instruction sets to be used with MSVC
Andre Muezerie
andremue at linux.microsoft.com
Mon Feb 24 22:01:13 CET 2025
Up to now MSVC has being used with the default mode, which uses SSE2
instructions for scalar floating-point and vector calculations.
https://learn.microsoft.com/en-us/cpp/build/reference/arch-x64?view=msvc-170
This series allows users to specify the CPU for which the generated
code should be optimized for in the same way it's done for GCC: by
passing the CPU name.
When no explicit CPU name is passed, 'native' is assumed (like it
happens with GCC) and the code will be optimized for the same CPU
type used to compile the code.
MSVC does not provide this functionality natively, so logic was
added to handle these differences, detecting which
instruction sets are supported by the CPU(s), passing the best
options to MSVC and setting the correct macros (like __AVX512F__)
so that the DPDK code can rely on them like it is done with GCC.
Andre Muezerie (6):
eal: make compatible with instruction set updates for MSVC
eal: only use numbers as align parameters for MSVC
config: allow faster instruction sets to be used with MSVC
drivers/net: make compatible with instruction set updates for MSVC
acl: make compatible with instruction set updates for MSVC
member: make compatible with instruction set updates for MSVC
config/x86/meson.build | 364 +++++++++++++++++++++++++----
drivers/net/bnxt/meson.build | 2 +-
drivers/net/enic/meson.build | 2 +-
drivers/net/intel/i40e/meson.build | 2 +-
drivers/net/intel/iavf/meson.build | 2 +-
drivers/net/intel/ice/meson.build | 2 +-
drivers/net/intel/idpf/meson.build | 2 +-
drivers/net/nfp/meson.build | 2 +-
drivers/net/octeon_ep/meson.build | 4 +-
lib/acl/meson.build | 16 +-
lib/eal/common/rte_random.c | 2 +
lib/eal/x86/include/rte_vect.h | 11 +-
lib/member/meson.build | 11 +-
13 files changed, 363 insertions(+), 59 deletions(-)
--
2.48.1.vfs.0.0
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