From: bc@freeuk.com
On 22/11/2025 15:05, Bonita Montero wrote:
> Take this and -mavx512bw and -std=c++23.
>
> #include
> #include
> #include
> #include
> #include
> #include
> #include
> #include
> #if defined(_MSC_VER)
> #include
> #elif defined(__GNUC__) || defined(__clang__)
> #include
> #endif
> #include "inline.h"
I don't have 'inline.h'. If I comment that out, then I get the errors
below from 'g++ -std=c++23 prog.c', also with -Wno-inline.
Your code seems incredibly fragile.
c.cpp: In function 'size_t utf8Width512(const char*)':
c.cpp:72:37: warning: AVX512F vector return without AVX512F enabled
changes the ABI [-Wpsabi]
72 | ZERO = _mm512_setzero_si512(),
| ^
c.cpp: In function 'size_t utf8Width256(const char*)':
c.cpp:123:37: warning: AVX vector return without AVX enabled changes the
ABI [-Wpsabi]
123 | ZERO = _mm256_setzero_si256(),
| ^
In file included from
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/x86gprintrin.h:73,
from
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/x86intrin.h:27,
from c.cpp:13:
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/popcntintrin.h: In
lambda function:
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/popcntintrin.h:42:1:
error: inlining failed in call to 'always_inline' 'long long int
_mm_popcnt_u64(long long unsigned int)': target specific option mismatch
42 | _mm_popcnt_u64 (unsigned long long __X)
| ^~~~~~~~~~~~~~
c.cpp:95:106: note: called from here
95 | count += _mm_popcnt_u64( one ) + _mm_popcnt_u64( two )
+ _mm_popcnt_u64( three ) + _mm_popcnt_u64( four );
|
~~~~~~~~~~~~~~^~~~~~~~
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/popcntintrin.h:42:1:
error: inlining failed in call to 'always_inline' 'long long int
_mm_popcnt_u64(long long unsigned int)': target specific option mismatch
42 | _mm_popcnt_u64 (unsigned long long __X)
| ^~~~~~~~~~~~~~
c.cpp:95:80: note: called from here
95 | count += _mm_popcnt_u64( one ) + _mm_popcnt_u64( two )
+ _mm_popcnt_u64( three ) + _mm_popcnt_u64( four );
|
~~~~~~~~~~~~~~^~~~~~~~~
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/popcntintrin.h:42:1:
error: inlining failed in call to 'always_inline' 'long long int
_mm_popcnt_u64(long long unsigned int)': target specific option mismatch
42 | _mm_popcnt_u64 (unsigned long long __X)
| ^~~~~~~~~~~~~~
c.cpp:95:56: note: called from here
95 | count += _mm_popcnt_u64( one ) + _mm_popcnt_u64( two )
+ _mm_popcnt_u64( three ) + _mm_popcnt_u64( four );
| ~~~~~~~~~~~~~~^~~~~~~
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/popcntintrin.h:42:1:
error: inlining failed in call to 'always_inline' 'long long int
_mm_popcnt_u64(long long unsigned int)': target specific option mismatch
42 | _mm_popcnt_u64 (unsigned long long __X)
| ^~~~~~~~~~~~~~
c.cpp:95:32: note: called from here
95 | count += _mm_popcnt_u64( one ) + _mm_popcnt_u64( two )
+ _mm_popcnt_u64( three ) + _mm_popcnt_u64( four );
| ~~~~~~~~~~~~~~^~~~~~~
In file included from
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/immintrin.h:65,
from
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/x86intrin.h:32:
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/avx512bwintrin.h:1716:1:
error: inlining failed in call to 'always_inline' '__mmask64
_mm512_cmpeq_epi8_mask(__m512i, __m512i)': target specific option mismatch
1716 | _mm512_cmpeq_epi8_mask (__m512i __A, __m512i __B)
| ^~~~~~~~~~~~~~~~~~~~~~
c.cpp:94:42: note: called from here
94 | four = _mm512_cmpeq_epi8_mask( _mm512_and_si512(
chunk, FOUR_MASK ), FOUR_HEAD ) & nzMask;
|
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/immintrin.h:55:
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/avx512fintrin.h:10651:1:
error: inlining failed in call to 'always_inline' '__m512i
_mm512_and_si512(__m512i, __m512i)': target specific option mismatch
10651 | _mm512_and_si512 (__m512i __A, __m512i __B)
| ^~~~~~~~~~~~~~~~
c.cpp:94:42: note: called from here
94 | four = _mm512_cmpeq_epi8_mask( _mm512_and_si512(
chunk, FOUR_MASK ), FOUR_HEAD ) & nzMask;
|
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/avx512bwintrin.h:1716:1:
error: inlining failed in call to 'always_inline' '__mmask64
_mm512_cmpeq_epi8_mask(__m512i, __m512i)': target specific option mismatch
1716 | _mm512_cmpeq_epi8_mask (__m512i __A, __m512i __B)
| ^~~~~~~~~~~~~~~~~~~~~~
c.cpp:93:43: note: called from here
93 | three = _mm512_cmpeq_epi8_mask( _mm512_and_si512(
chunk, THREE_MASK ), THREE_HEAD ) & nzMask,
|
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/avx512fintrin.h:10651:1:
error: inlining failed in call to 'always_inline' '__m512i
_mm512_and_si512(__m512i, __m512i)': target specific option mismatch
10651 | _mm512_and_si512 (__m512i __A, __m512i __B)
| ^~~~~~~~~~~~~~~~
c.cpp:93:43: note: called from here
93 | three = _mm512_cmpeq_epi8_mask( _mm512_and_si512(
chunk, THREE_MASK ), THREE_HEAD ) & nzMask,
|
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/avx512bwintrin.h:1716:1:
error: inlining failed in call to 'always_inline' '__mmask64
_mm512_cmpeq_epi8_mask(__m512i, __m512i)': target specific option mismatch
1716 | _mm512_cmpeq_epi8_mask (__m512i __A, __m512i __B)
| ^~~~~~~~~~~~~~~~~~~~~~
c.cpp:92:41: note: called from here
92 | two = _mm512_cmpeq_epi8_mask( _mm512_and_si512(
chunk, TWO_MASK ), TWO_HEAD ) & nzMask,
|
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
C:/tdm/lib/gcc/x86_64-w64-mingw32/14.1.0/include/avx512fintrin.h:10651:1:
error: inlining failed in call to 'always_inline' '__m512i
_mm512_and_si512(__m512i, __m512i)': target specific option mismatch
10651 | _mm512_and_si512 (__m512i __A, __m512i __B)
| ^~~~~~~~~~~~~~~~
c.cpp:92:41: note: called from here
92 | two = _mm512_cmpeq_epi8_mask( _mm512_and_si512(
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