[gcc(refs/users/meissner/heads/dmf003)] Update ChangeLog.meissner.

[Michael Meissner <meissner@gcc.gnu.org>]

https://gcc.gnu.org/g:52897724ae56ea5ac7c0d61a83d2eb5242ac7d2b

commit 52897724ae56ea5ac7c0d61a83d2eb5242ac7d2b
Author: Michael Meissner <meissner@linux.ibm.com>
Date:   Sat Nov 5 00:23:24 2022 -0400

    Update ChangeLog.meissner.
    
    2022-11-04   Michael Meissner  <meissner@linux.ibm.com>
    
    gcc/
    
            * ChangeLog.meissner: Update.

Diff:
---
 gcc/ChangeLog.meissner | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/gcc/ChangeLog.meissner b/gcc/ChangeLog.meissner
index 668e877c883..ccf16fb68c7 100644
--- a/gcc/ChangeLog.meissner
+++ b/gcc/ChangeLog.meissner
@@ -1,3 +1,56 @@
+==================== Dmf003 branch, patch #15.
+
+Add support for 1,024 bit DMR registers.
+
+2022-11-05   Michael Meissner  <meissner@linux.ibm.com>
+
+gcc/
+
+	* config/rs6000/mma.md (UNSPEC_DM_INSERT512_UPPER): New unspec.
+	(UNSPEC_DM_INSERT512_LOWER): Likewise.
+	(UNSPEC_DM_EXTRACT512): Likewise.
+	(UNSPEC_DMR_RELOAD_FROM_MEMORY): Likewise.
+	(UNSPEC_DMR_RELOAD_TO_MEMORY): Likewise.
+	(movtdo): New define_expand and define_insn_and_split to implement 1,024
+	bit DMR registers.
+	(movtdo_insert512_upper): New insn.
+	(movtdo_insert512_lower): Likewise.
+	(movtdo_extract512): Likewise.
+	(reload_dmr_from_memory): Likewise.
+	(reload_dmr_to_memory): Likewise.
+	* config/rs6000/rs6000-builtin.cc (rs6000_type_string): Add DMR
+	support.
+	(rs6000_init_builtins): Add support for __dmr keyword.
+	* config/rs6000/rs6000-call.cc (rs6000_return_in_memory): Add support
+	for TDOmode.
+	(rs6000_function_arg): Likewise.
+	* config/rs6000/rs6000-modes.def (TDOmode): New mode.
+	* config/rs6000/rs6000.cc (rs6000_hard_regno_nregs_internal): Add
+	support for TDOmode.
+	(rs6000_hard_regno_mode_ok_uncached): Likewise.
+	(rs6000_hard_regno_mode_ok): Likewise.
+	(rs6000_modes_tieable_p): Likewise.
+	(rs6000_debug_reg_global): Likewise.
+	(rs6000_setup_reg_addr_masks): Likewise.
+	(rs6000_init_hard_regno_mode_ok): Add support for TDOmode.  Setup reload
+	hooks for DMR mode.
+	(reg_offset_addressing_ok_p): Add support for TDOmode.
+	(rs6000_emit_move): Likewise.
+	(rs6000_secondary_reload_simple_move): Likewise.
+	(rs6000_secondary_reload_class): Likewise.
+	(rs6000_mangle_type): Add mangling for __dmr type.
+	(rs6000_dmr_register_move_cost): Add support for TDOmode.
+	(rs6000_split_multireg_move): Likewise.
+	(rs6000_invalid_conversion): Likewise.
+	* config/rs6000/rs6000.h (VECTOR_ALIGNMENT_P): Add TDOmode.
+	(enum rs6000_builtin_type_index): Add DMR type nodes.
+	(dmr_type_node): Likewise.
+	(ptr_dmr_type_node): Likewise.
+
+gcc/testsuite/
+
+	* gcc.target/powerpc/dm-1024bit.c: New test.
+
 ==================== Dmf003 branch, patch #14.
 
 Switch to dense math names for all MMA operations.