https://gcc.gnu.org/g:0e85d7713055ac21f2f170d7c1225302bec38c78
commit 0e85d7713055ac21f2f170d7c1225302bec38c78 Author: Michael Meissner <[email protected]> Date: Fri Sep 26 21:16:40 2025 -0400 Update ChangeLog.* Diff: --- gcc/ChangeLog.float | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/gcc/ChangeLog.float b/gcc/ChangeLog.float index a62a6c73e39f..8616c2fa411f 100644 --- a/gcc/ChangeLog.float +++ b/gcc/ChangeLog.float @@ -1,3 +1,51 @@ +==================== Branch work222-float, patch #302 ==================== + +Change -mieee16 to -mfloat16; Allow use on power8. + +2025-09-25 Michael Meissner <[email protected]> + +gcc/ + + * config/rs6000/rs6000-c.cc (rs6000_target_modify_macros): Define + __FLOAT16__, __FLOAT16_HW__, __BFLOAT16__, and __BFLOAT16_HW__ based on + the options. + * config/rs6000/rs6000-call.cc (USE_FP_FOR_ARG_P): Change -mieee16 to + -mfloat16. + * config/rs6000/rs6000-cpus.def (ISA_3_0_MASKS_SERVER): Likewise. + (POWERPC_MASKS): Likewise. + * config/rs6000/rs6000.cc (rs6000_init_hard_regno_mode_ok): Likewise. + (rs6000_option_override_internal): Allow -mfloat16 and -mbfloat16 on + older systems. + (rs6000_function_value): Change -mieee16 to -mfloat16. + (rs6000_floatn_mode): Likewise. + (rs6000_opt_masks): Likewise. + * config/rs6000/rs6000.h (FP16_SCALAR_MODE_P): Likewise. + * config/rs6000/rs6000.md (FP16): Likewise. + (FP16_HW): New mode iterator. + (extendhf<mode>2): Require power9 support. + (trunc<mode>hf2): Likewise. + (extendbf<mode>2): Require power10 support. + (trunc<mode>bf2): Likewise. + (extend<FP16_HW:mode><FP16_CONVERT:mode>): Change FP16 mode iterator + FP16_HW. + (extend<FP16_HW:mode><FP16_CONVERT:mode>2): Likewise. + (trunc<FP16_CONVERT:mode><FP16_HW:mode>2): Likewise. + (float<GPR:mode><FP16_HW:mode>2): Likewise. + (floatuns<GPR:mode><FP16_HW:mode>2): Likewise. + (fix_trunc<FP16_HW:mode><GPR:mode>2): Likewise. + (fixuns_trunc<FP16_HW:mode><GPR:mode>2): Likewise. + * config/rs6000/rs6000.opt (-mfloat16): Change -mieee16 to -mfloat16. + Remove Undocumented flag. + (-mfloat16-gpr-args): Change -mieee16-gpr-args to -mfloat16-gpr-args. + * config/rs6000/vector.md (vec_pack_trunc_v4sf): Change -mieee16 to + -mfloat16. + (-mbfloat16): Remove Undocumented flag. + (vec_unpacku_float_lo_v4sf): Likewise. + * config/rs6000/vsx.md (VECTOR_16BIT): Likewise. + (VSX_L): Likewise. + (VSX_M): Likewise. + * doc/invoke.texi (PowerPC options): Document -mfloat16 and -mbfloat16. + ==================== Branch work222-float, patch #301 ==================== Fix typo in _Float16 conversion.
