diff options
Diffstat (limited to 'gcc/config/clipper/clipper.c')
| -rw-r--r-- | gcc/config/clipper/clipper.c | 73 |
1 files changed, 28 insertions, 45 deletions
diff --git a/gcc/config/clipper/clipper.c b/gcc/config/clipper/clipper.c index f3bae7eead4..d0efbaf2859 100644 --- a/gcc/config/clipper/clipper.c +++ b/gcc/config/clipper/clipper.c @@ -1,5 +1,5 @@ /* Subroutines for insn-output.c for Clipper - Copyright (C) 1987, 1988, 1991, 1997 Free Software Foundation, Inc. + Copyright (C) 1987, 1988, 1991, 1997, 1998 Free Software Foundation, Inc. Contributed by Holger Teutsch (holger@hotbso.rhein-main.de) This file is part of GNU CC. @@ -20,7 +20,7 @@ the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include "config.h" -#include <stdio.h> +#include "system.h" #include "rtl.h" #include "regs.h" #include "hard-reg-set.h" @@ -42,16 +42,14 @@ extern int frame_pointer_needed; static int frame_size; -/* - * compute size of a clipper stack frame where 'lsize' is the required - * space for local variables. - */ +/* Compute size of a clipper stack frame where 'lsize' is the required + space for local variables. */ int clipper_frame_size (lsize) int lsize; { - int i,size; /* total size of frame */ + int i, size; /* total size of frame */ int save_size; save_size = 0; /* compute size for reg saves */ @@ -69,17 +67,15 @@ clipper_frame_size (lsize) return size; } -/* - * prologue and epilogue output - * function is entered with pc pushed, i.e. stack is 32 bit aligned - * - * current_function_args_size == 0 means that the current function's args - * are passed totally in registers i.e fp is not used as ap. - * If frame_size is also 0 the current function does not push anything and - * can run with misaligned stack -> subq $4,sp / add $4,sp on entry and exit - * can be omitted. - * - */ +/* Prologue and epilogue output + Function is entered with pc pushed, i.e. stack is 32 bit aligned + + current_function_args_size == 0 means that the current function's args + are passed totally in registers i.e fp is not used as ap. + If frame_size is also 0 the current function does not push anything and + can run with misaligned stack -> subq $4,sp / add $4,sp on entry and exit + can be omitted. */ + void output_function_prologue (file, lsize) FILE *file; @@ -387,58 +383,45 @@ clipper_builtin_saveregs (arglist) addr = copy_to_reg (XEXP (block, 0)); - f0_addr = gen_rtx (PLUS, Pmode, addr, gen_rtx (CONST_INT, Pmode, 24)); - f1_addr = gen_rtx (PLUS, Pmode, addr, gen_rtx (CONST_INT, Pmode, 32)); - r0_addr = gen_rtx (PLUS, Pmode, addr, gen_rtx (CONST_INT, Pmode, 40)); - r1_addr = gen_rtx (PLUS, Pmode, addr, gen_rtx (CONST_INT, Pmode, 44)); + f0_addr = plus_constant (addr, 24); + f1_addr = plus_constant (addr, 32); + r0_addr = plus_constant (addr, 40); + r1_addr = plus_constant (addr, 44); /* Store float regs */ - emit_move_insn (gen_rtx (MEM, DFmode, f0_addr), gen_rtx (REG, DFmode, 16)); - emit_move_insn (gen_rtx (MEM, DFmode, f1_addr), gen_rtx (REG, DFmode, 17)); + emit_move_insn (gen_rtx_MEM (DFmode, f0_addr), gen_rtx_REG (DFmode, 16)); + emit_move_insn (gen_rtx_MEM (DFmode, f1_addr), gen_rtx_REG (DFmode, 17)); /* Store int regs */ - emit_move_insn (gen_rtx (MEM, SImode, r0_addr), gen_rtx (REG, SImode, 0)); - emit_move_insn (gen_rtx (MEM, SImode, r1_addr), gen_rtx (REG, SImode, 1)); + emit_move_insn (gen_rtx_MEM (SImode, r0_addr), gen_rtx_REG (SImode, 0)); + emit_move_insn (gen_rtx_MEM (SImode, r1_addr), gen_rtx_REG (SImode, 1)); /* Store the arg pointer in the __va_stk member. */ - emit_move_insn (gen_rtx (MEM, SImode, addr), + emit_move_insn (gen_rtx_MEM (SImode, addr), copy_to_reg (virtual_incoming_args_rtx)); - /* now move addresses of the saved regs into the pointer array */ scratch = gen_reg_rtx (Pmode); emit_move_insn (scratch, r0_addr); - emit_move_insn (gen_rtx (MEM, SImode, - gen_rtx (PLUS, Pmode, addr, - gen_rtx (CONST_INT, Pmode, 4))), - scratch); + emit_move_insn (gen_rtx_MEM (SImode, plus_constant (addr, 4)), scratch); emit_move_insn (scratch, f0_addr); - emit_move_insn (gen_rtx (MEM, SImode, - gen_rtx (PLUS, Pmode, addr, - gen_rtx (CONST_INT, Pmode, 8))), - scratch); + emit_move_insn (gen_rtx_MEM (SImode, plus_constant (addr, 8)), scratch); emit_move_insn (scratch, r1_addr); - emit_move_insn (gen_rtx (MEM, SImode, - gen_rtx (PLUS, Pmode, addr, - gen_rtx (CONST_INT, Pmode, 12))), - scratch); + emit_move_insn (gen_rtx_MEM (SImode, plus_constant (addr, 12)), scratch); emit_move_insn (scratch, f1_addr); - emit_move_insn (gen_rtx (MEM, SImode, - gen_rtx (PLUS, Pmode, addr, - gen_rtx (CONST_INT, Pmode, 16))), - scratch); + emit_move_insn (gen_rtx_MEM (SImode, plus_constant (addr, 16)), scratch); - if (flag_check_memory_usage) + if (current_function_check_memory_usage) { emit_library_call (chkr_set_right_libfunc, 1, VOIDmode, 3, addr, ptr_mode, |