Re: [PATCH 1/3] libcpp: configure: check for AVX2 instead of SSE4

2024-08-07 Thread Richard Biener
On Tue, Aug 6, 2024 at 6:19 PM Alexander Monakov wrote: > > Upcoming patches first drop Binutils ISA support from SSE4.2 to SSSE3, > then bump it to AVX2. Instead of fiddling with detection, just bump > our configure check to AVX2 immediately: if by some accident somebody > builds GCC without AVX2

[PATCH 1/3] libcpp: configure: check for AVX2 instead of SSE4

2024-08-06 Thread Alexander Monakov
Upcoming patches first drop Binutils ISA support from SSE4.2 to SSSE3, then bump it to AVX2. Instead of fiddling with detection, just bump our configure check to AVX2 immediately: if by some accident somebody builds GCC without AVX2 support in the assembler, they will get SSE2 vectorized lexer, whi