https://gcc.gnu.org/g:60bbdc879e06a15673cd18a56a4d3ac7f852d957
commit 60bbdc879e06a15673cd18a56a4d3ac7f852d957
Author: Michael Meissner <meiss...@linux.ibm.com>
Date: Wed Aug 13 00:11:00 2025 -0400
Update ChangeLog.*
Diff:
---
gcc/ChangeLog.float | 43 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/gcc/ChangeLog.float b/gcc/ChangeLog.float
index a3d54cf489f5..822e372198bc 100644
--- a/gcc/ChangeLog.float
+++ b/gcc/ChangeLog.float
@@ -1,3 +1,46 @@
+==================== Branch work219-float, patch #300 ====================
+
+Add _Float16 support.
+
+2025-08-13 Michael Meissner <meiss...@linux.ibm.com>
+
+gcc/
+
+ * gcc/config/rs6000/predicates.md (easy_fp_constant): Add support for
+ _Float16 constants.
+ (ieee16_xxspltiw_constant): New predicate.
+ * gcc/config/rs6000/rs6000-builtin.cc (rs6000_type_string): Add _Float16
+ support.
+ * gcc/config/rs6000/rs6000-modes.def (HFmode): Add mode for _Float16.
+ * gcc/config/rs6000/rs6000-p8swap.cc (rs6000_gen_stvx): Remove old code
+ for V8HFmode that was never used.
+ (rs6000_gen_lvx): Likewise.
+ (replace_swapped_load_constant): Likewise.
+ * gcc/config/rs6000/rs6000-protos.h (vec_const_128bit_type): Add mode
+ field.
+ * gcc/config/rs6000/rs6000.cc (rs6000_hard_regno_mode_ok_uncached): Add
+ support for HFmode.
+ (rs6000_modes_tieable_p): Likewise.
+ (rs6000_debug_reg_global): Likewise.
+ (rs6000_setup_reg_addr_masks): Likewise.
+ (rs6000_init_hard_regno_mode_ok): Likewise.
+ (rs6000_secondary_reload_simple_move): Likewise.
+ (rs6000_preferred_reload_class): Likewise.
+ (rs6000_can_change_mode_class): Likewise.
+ (rs6000_mangle_type): Likewise.
+ (rs6000_scalar_mode_supported_p): Likewise.
+ (rs6000_floatn_mode): Likewise.
+ (constant_fp_to_128bit_vector): Add support for _Float16 constants.
+ (vec_const_128bit_to_bytes): Likewise.
+ (constant_generates_xxspltiw): Likewise.
+ * config/rs6000/rs6000.h (TARGET_IEEE16): New macro.
+ * config/rs6000/rs6000.md (RELOAD): Add HFmode.
+ (movhf): New define_expand.
+ (movhf_xxspltiw): New insn.
+ (movhf_internal): Likewise.
+ * config/rs6000/vsx.md (extendhf<mode>2): Likewise.
+ (trunc<mode>hf2): Likewise.
+
==================== Branch work219-float, baseline ====================
2025-08-08 Michael Meissner <meiss...@linux.ibm.com>
