First pass at updating to current sparc v9 abi.

From-SVN: r15969

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8d6ca261aee8326e16e0ecd512e006186a915a37..a5f7a2dc20f195e8e97e71d1af8932c4da307610 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,41 @@
+Fri Oct 17 13:39:56 1997  Doug Evans  <dje@canuck.cygnus.com>
+
+       * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
+       * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
+       (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
+       (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
+       (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
+       (SPARC_FP_ARG_FIRST): New macro.
+       (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
+       (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
+       (NPARM_REGS): There are 32 fp argument registers now.
+       (FUNCTION_ARG_REGNO_P): Likewise.
+       (FIRST_PARM_OFFSET): Update to new v9 abi.
+       (REG_PARM_STACK_SPACE): Define for arch64.
+       (enum sparc_arg_class): Delete.
+       (sparc_arg_count,sparc_n_named_args): Delete.
+       (struct sparc_args): Redefine and use for arch32 as well as arch64.
+       (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
+       (FUNCTION_ARG_ADVANCE): Rewrite.
+       (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
+       (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
+       (FUNCTION_ARG_CALLEE_COPIES): Delete.
+       (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
+       (STRICT_ARGUMENT_NAMING): Define.
+       (doublemove_string): Declare.
+       * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
+       (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
+       (doublemove_string): New function.
+       (output_move_quad): Clean up some of the arch64 support.
+       (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
+       Don't add 8 bytes of reserved space if arch64.
+       (sparc_builtin_saveregs): Combine arch32/arch64 versions.
+       (init_cumulative_args): New function.
+       (function_arg_slotno): New static function.
+       (function_arg,function_arg_partial_nregs): New functions.
+       (function_arg_{pass_by_reference,advance}): New functions.
+       (function_arg_padding): New function.
+
 Fri Oct 17 12:29:48 1997  Christian Iseli  <Christian.Iseli@lslsun.epfl.ch>
 
        * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P