http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48220
--- Comment #10 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-07-15 17:10:00 UTC --- Author: ebotcazou Date: Fri Jul 15 17:09:56 2011 New Revision: 176318 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176318 Log: 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. Modified: trunk/gcc/ChangeLog trunk/gcc/cfgexpand.c trunk/gcc/doc/md.texi trunk/gcc/var-tracking.c
