On 07/14/2011 02:42 PM, Eric Botcazou wrote: > PR target/48220 > * doc/md.texi (Standard Names): Document window_save. > * cfgexpand.c (expand_debug_parm_decl): New function extracted from > expand_debug_expr and expand_debug_source_expr. If the target has > a window_save instruction, adjust the ENTRY_VALUE_EXP. > (expand_debug_expr) <SSA_NAME>: Call expand_debug_parm_decl if the > SSA_NAME_VAR is a parameter. > (expand_debug_source_expr) <PARM_DECL>: Call expand_debug_parm_decl. > * var-tracking.c (parm_reg_t): New type and associated vector type. > (windowed_parm_regs): New variable. > (adjust_insn): If the target has a window_save instruction and this > is the instruction, make its effect on parameter registers explicit. > (next_non_note_insn_var_location): New function. > (emit_notes_in_bb): Use it instead of NEXT_INSN throughout. > (vt_add_function_parameter): If the target has a window_save insn, > adjust the incoming RTL and record that in windowed_parm_regs. > (vt_finalize): Free windowed_parm_regs.
Ok. r~
