diff options
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index db843ed..5e39c0e 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -1194,7 +1194,7 @@ See RS/6000 and PowerPC Options. -mincoming-stack-boundary=@var{num} @gol -mcld -mcx16 -msahf -mmovbe -mcrc32 @gol -mrecip -mrecip=@var{opt} @gol --mvzeroupper -mprefer-avx128 @gol +-mvzeroupper -mprefer-avx128 -mprefer-avx256 @gol -mmmx -msse -msse2 -msse3 -mssse3 -msse4.1 -msse4.2 -msse4 -mavx @gol -mavx2 -mavx512f -mavx512pf -mavx512er -mavx512cd -mavx512vl @gol -mavx512bw -mavx512dq -mavx512ifma -mavx512vbmi -msha -maes @gol @@ -25858,6 +25858,11 @@ intrinsics. This option instructs GCC to use 128-bit AVX instructions instead of 256-bit AVX instructions in the auto-vectorizer. +@item -mprefer-avx256 +@opindex mprefer-avx256 +This option instructs GCC to use 256-bit AVX instructions instead of +512-bit AVX instructions in the auto-vectorizer. + @item -mcx16 @opindex mcx16 This option enables GCC to generate @code{CMPXCHG16B} instructions in 64-bit |