On 2/9/23 13:57, David Marchand wrote:
> rte_vect.h pulls some AVX512 instrinsics headers added in GCC 12 [1]
> trigger a lot of warnings:
>
> libtool: compile: env "REAL_CC=ccache gcc" "CHECK=sparse -Wsparse-error
> -I ../include/sparse -I ../include -m64 -I /usr/local/include
> " cgcc -target=x86_64 -target=host_os_specs -D__MMX__=1
> -D__MMX_WITH_SSE__=1 -D__SSE2_MATH__=1 -D__SSE_MATH__=1
> -D__SSE__=1 -D__SSE2__=1 -DHAVE_CONFIG_H -I. -I.. -I ../include
> -I ./include -I ../lib -I ./lib -Wstrict-prototypes -Wall
> -Wextra -Wno-sign-compare -Wpointer-arith -Wformat
> -Wformat-security -Wswitch-enum -Wunused-parameter
> -Wbad-function-cast -Wcast-align -Wstrict-prototypes
> -Wold-style-definition -Wmissing-prototypes
> -Wmissing-field-initializers -fno-strict-aliasing
> -Wswitch-bool -Wlogical-not-parentheses -Wsizeof-array-argument
> -Wbool-compare -Wshift-negative-value -Wduplicated-cond -Wshadow
> -Wmultistatement-macros -Wcast-align=strict -mssse3
> -I/home/dmarchan/git/pub/dpdk.org/22.11/install/include
> -include rte_config.h -I/usr/local/include -Werror
> -D_FILE_OFFSET_BITS=64 -g -O2 -MT lib/bfd.lo -MD -MP
> -MF lib/.deps/bfd.Tpo -c ../lib/bfd.c -o lib/bfd.o
> ../lib/bfd.c: note: in included file (through
> /usr/lib/gcc/x86_64-redhat-linux/12//include/immintrin.h,
> /usr/lib/gcc/x86_64-redhat-linux/12//include/x86intrin.h, ...):
> /usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:38:9:
> error: '_Float16' has implicit type
> /usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:38:18:
> error: Expected ; at end of declaration
> /usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:38:18:
> error: got __v8hf
> /usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:62:41:
> error: Expected ; at end of statement
> /usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:62:41:
> error: got {
> /usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:420:32:
> error: Expected ) in expression
> /usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:420:32:
> error: got __A
> /usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:2271:61:
> error: Expected ) in function call
> /usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:2271:61:
> error: got __A
> /usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:2279:61:
> error: Expected ) in function call
> /usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:2279:61:
> error: got __A
> /usr/lib/gcc/x86_64-redhat-linux/12//include/avx512fp16intrin.h:2328:50:
> error: Expected ) in function call
> [...]
>
> Besides, the list of headers by rte_memcpy.h is now out of sync with DPDK.
> OVS takes care to include the right headers in its sources.
> Simply make this header self-sufficient.
>
> 1: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=a68412117fa4
>
> Signed-off-by: David Marchand <david.march...@redhat.com>
> ---
> Changes since v1:
> - fixed header includes so that this fake rte_memcpy.h is
> self-sufficient,
>
> ---
> include/sparse/rte_memcpy.h | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
Thanks! Applied and backpotred down to 2.17.
Best regards, Ilya Maximets.
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