diff options
Diffstat (limited to 'gcc/calls.c')
| -rw-r--r-- | gcc/calls.c | 79 |
1 files changed, 22 insertions, 57 deletions
diff --git a/gcc/calls.c b/gcc/calls.c index 5a48502..957ddae 100644 --- a/gcc/calls.c +++ b/gcc/calls.c @@ -475,7 +475,7 @@ emit_call_1 (funexp, fndecl, funtype, stack_size, rounded_stack_size, && HAVE_sibcall_pop && HAVE_sibcall_value_pop && (n_popped > 0 || stack_size == 0)) { - rtx n_pop = GEN_INT (n_popped)); + rtx n_pop = GEN_INT (n_popped); rtx pat; /* If this subroutine pops its own args, record that in the call insn @@ -497,10 +497,10 @@ emit_call_1 (funexp, fndecl, funtype, stack_size, rounded_stack_size, #endif #if defined (HAVE_call_pop) && defined (HAVE_call_value_pop) -/* If the target has "call" or "call_value" insns, then prefer them - if no arguments are actually popped. If the target does not have - "call" or "call_value" insns, then we must use the popping versions - even if the call has no arguments to pop. */ + /* If the target has "call" or "call_value" insns, then prefer them + if no arguments are actually popped. If the target does not have + "call" or "call_value" insns, then we must use the popping versions + even if the call has no arguments to pop. */ #if defined (HAVE_call) && defined (HAVE_call_value) if (HAVE_call && HAVE_call_value && HAVE_call_pop && HAVE_call_value_pop && n_popped > 0 && ! (ecf_flags & ECF_SP_DEPRESSED)) @@ -573,12 +573,12 @@ emit_call_1 (funexp, fndecl, funtype, stack_size, rounded_stack_size, /* Mark memory as used for "pure" function call. */ if (ecf_flags & ECF_PURE) - { - call_fusage = gen_rtx_EXPR_LIST (VOIDmode, - gen_rtx_USE (VOIDmode, - gen_rtx_MEM (BLKmode, - gen_rtx_SCRATCH (VOIDmode))), call_fusage); - } + call_fusage + = gen_rtx_EXPR_LIST + (VOIDmode, + gen_rtx_USE (VOIDmode, + gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (VOIDmode))), + call_fusage); /* Put the register usage information on the CALL. If there is already some usage information, put ours at the end. */ @@ -939,6 +939,8 @@ save_fixed_argument_area (reg_parm_stack_space, argblock, plus_constant (argblock, *low_to_save))); #endif + + set_mem_align (stack_area, PARM_BOUNDARY); if (save_mode == BLKmode) { save_area = assign_stack_temp (BLKmode, num_to_save, 0); @@ -954,6 +956,7 @@ save_fixed_argument_area (reg_parm_stack_space, argblock, emit_move_insn (save_area, stack_area); } } + return save_area; } @@ -3322,8 +3325,7 @@ expand_call (exp, target, ignore) else emit_block_move (stack_area, validize_mem (args[i].save_area), - GEN_INT (args[i].size.constant), - PARM_BOUNDARY); + GEN_INT (args[i].size.constant)); } highest_outgoing_arg_in_use = initial_highest_arg_in_use; @@ -3447,6 +3449,7 @@ expand_call (exp, target, ignore) /* Output a library call to function FUN (a SYMBOL_REF rtx). The RETVAL parameter specifies whether return value needs to be saved, other parameters are documented in the emit_library_call function below. */ + static rtx emit_library_call_value_1 (retval, orgfun, value, fn_type, outmode, nargs, p) int retval; @@ -3894,8 +3897,8 @@ emit_library_call_value_1 (retval, orgfun, value, fn_type, outmode, nargs, p) if (save_mode == BLKmode) { save_area = assign_stack_temp (BLKmode, num_to_save, 0); - emit_block_move (validize_mem (save_area), stack_area, - GEN_INT (num_to_save), PARM_BOUNDARY); + set_mem_align (save_area, PARM_BOUNDARY); + emit_block_move (validize_mem (save_area), stack_area); } else { @@ -4161,12 +4164,13 @@ emit_library_call_value_1 (retval, orgfun, value, fn_type, outmode, nargs, p) memory_address (save_mode, plus_constant (argblock, low_to_save))); #endif + + set_mem_align (stack_area, PARM_BOUNDARY); if (save_mode != BLKmode) emit_move_insn (stack_area, save_area); else emit_block_move (stack_area, validize_mem (save_area), - GEN_INT (high_to_save - low_to_save + 1), - PARM_BOUNDARY); + GEN_INT (high_to_save - low_to_save + 1)); } #endif @@ -4250,44 +4254,6 @@ emit_library_call_value VPARAMS((rtx orgfun, rtx value, return result; } -#if 0 -/* Return an rtx which represents a suitable home on the stack - given TYPE, the type of the argument looking for a home. - This is called only for BLKmode arguments. - - SIZE is the size needed for this target. - ARGS_ADDR is the address of the bottom of the argument block for this call. - OFFSET describes this parameter's offset into ARGS_ADDR. It is meaningless - if this machine uses push insns. */ - -static rtx -target_for_arg (type, size, args_addr, offset) - tree type; - rtx size; - rtx args_addr; - struct args_size offset; -{ - rtx target; - rtx offset_rtx = ARGS_SIZE_RTX (offset); - - /* We do not call memory_address if possible, - because we want to address as close to the stack - as possible. For non-variable sized arguments, - this will be stack-pointer relative addressing. */ - if (GET_CODE (offset_rtx) == CONST_INT) - target = plus_constant (args_addr, INTVAL (offset_rtx)); - else - { - /* I have no idea how to guarantee that this - will work in the presence of register parameters. */ - target = gen_rtx_PLUS (Pmode, args_addr, offset_rtx); - target = memory_address (QImode, target); - } - - return gen_rtx_MEM (BLKmode, target); -} -#endif - /* Store a single argument for a function call into the register or memory area where it must be passed. *ARG describes the argument value and where to pass it. @@ -4379,8 +4345,7 @@ store_one_arg (arg, argblock, flags, variable_size, reg_parm_stack_space) arg->save_area = assign_temp (nt, 0, 1, 1); preserve_temp_slots (arg->save_area); emit_block_move (validize_mem (arg->save_area), stack_area, - expr_size (arg->tree_value), - MIN (PARM_BOUNDARY, TYPE_ALIGN (nt))); + expr_size (arg->tree_value)); } else { |