https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115409
--- Comment #3 from Collin Funk <collin.funk1 at gmail dot com> ---
Oops, Sorry about that. Here is the compile command:
gcc15.0 -I. -I./lib -Ilib -I./lib -Isrc -I./src -fstrict-flex-arrays -Wall
-Warith-conversion -Wbad-function-cast -Wcast-align=strict -Wdate-time
-Wdisabled-optimization -Wduplicated-cond -Wextra -Wformat-signedness
-Wflex-array-member-not-at-end -Winit-self -Winvalid-pch -Wlogical-op
-Wmissing-declarations -Wmissing-include-dirs -Wnull-dereference -Wopenmp-simd
-Woverlength-strings -Wpacked -Wpointer-arith -Wshadow -Wstrict-flex-arrays
-Wstrict-prototypes -Wsuggest-attribute=cold -Wsuggest-attribute=const
-Wsuggest-attribute=format -Wsuggest-attribute=malloc
-Wsuggest-attribute=noreturn -Wsuggest-attribute=pure -Wsuggest-final-methods
-Wsuggest-final-types -Wsync-nand -Wtrampolines -Wunknown-pragmas
-Wvariadic-macros -Wvla -Wwrite-strings -Warray-bounds=2 -Wattribute-alias=2
-Wbidi-chars=any,ucn -Wformat=2 -Wimplicit-fallthrough=5 -Wshift-overflow=2
-Wuse-after-free=3 -Wunused-const-variable=2 -Wvla-larger-than=4031
-Wno-sign-compare -Wno-unused-parameter -Wno-format-nonliteral
-fdiagnostics-show-option -funit-at-a-time -Wno-return-local-addr
-Wno-stringop-overflow -Wno-cast-qual -Wno-conversion -Wno-float-equal
-Wno-sign-compare -Wno-undef -Wno-unused-function -Wno-unused-parameter
-Wno-float-conversion -Wimplicit-fallthrough -Wno-pedantic -Wno-sign-conversion
-Wno-type-limits -Wno-unsuffixed-float-constants -g -O2 -MT
lib/libcoreutils_a-sm3.o -MD -MP -MF lib/.deps/libcoreutils_a-sm3.Tpo -c -o
lib/libcoreutils_a-sm3.o `test -f 'lib/sm3.c' || echo './'`lib/sm3.c
In file included from
/home/collin/.local/lib/gcc/x86_64-pc-linux-gnu/15.0.0/include/immintrin.h:99:
/home/collin/.local/lib/gcc/x86_64-pc-linux-gnu/15.0.0/include/avx512fp16vlintrin.h:
In function '_mm256_conj_pch':
/home/collin/.local/lib/gcc/x86_64-pc-linux-gnu/15.0.0/include/avx512fp16vlintrin.h:184:80:
warning: result of '1 << 31' requires 33 bits to represent, but 'int' only has
32 bits [-Wshift-overflow=]
184 | return (__m256h) _mm256_xor_epi32 ((__m256i) __A,
_mm256_avx512_set1_epi32 (1<<31));
|
^~
/home/collin/.local/lib/gcc/x86_64-pc-linux-gnu/15.0.0/include/avx512fp16vlintrin.h:
In function '_mm_conj_pch':
/home/collin/.local/lib/gcc/x86_64-pc-linux-gnu/15.0.0/include/avx512fp16vlintrin.h:212:74:
warning: result of '1 << 31' requires 33 bits to represent, but 'int' only has
32 bits [-Wshift-overflow=]
212 | return (__m128h) _mm_xor_epi32 ((__m128i) __A, _mm_avx512_set1_epi32
(1<<31));
|
^~
I'll read the page you sent and send a patch to gcc-patches referencing this
bug report.
