https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111270
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- The correct git blame output is: 105c2795b0d6 gcc/config/i386/i386-options.c (Jan Hubicka 2019-07-23 09:35:18 +0000 3037) if (ix86_tune_features [X86_TUNE_AVOID_256FMA_CHAINS]) eef81eefcdc2 gcc/config/i386/i386-options.cc (Jan Hubicka 2022-12-22 10:55:46 +0100 3038) SET_OPTION_IF_UNSET (opts, opts_set, param_avoid_fma_max_bits, 512); eef81eefcdc2 gcc/config/i386/i386-options.cc (Jan Hubicka 2022-12-22 10:55:46 +0100 3039) else if (ix86_tune_features [X86_TUNE_AVOID_256FMA_CHAINS]) 028d40925205 gcc/config/i386/i386-options.c (Martin Liska 2019-11-12 11:08:40 +0100 3040) SET_OPTION_IF_UNSET (opts, opts_set, param_avoid_fma_max_bits, 256); 105c2795b0d6 gcc/config/i386/i386-options.c (Jan Hubicka 2019-07-23 09:35:18 +0000 3041) else if (ix86_tune_features [X86_TUNE_AVOID_128FMA_CHAINS]) 028d40925205 gcc/config/i386/i386-options.c (Martin Liska 2019-11-12 11:08:40 +0100 3042) SET_OPTION_IF_UNSET (opts, opts_set, param_avoid_fma_max_bits, 128);