diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/gcc/function.c b/gcc/function.c index 60535922c4b..5bebaa9a031 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -247,7 +247,8 @@ static rtx assign_stack_temp_for_type PARAMS ((enum machine_mode, static struct temp_slot *find_temp_slot_from_address PARAMS ((rtx)); static void put_reg_into_stack PARAMS ((struct function *, rtx, tree, enum machine_mode, enum machine_mode, - int, int, int, struct hash_table *)); + int, unsigned int, int, + struct hash_table *)); static void fixup_var_refs PARAMS ((rtx, enum machine_mode, int, struct hash_table *)); static struct fixup_replacement @@ -262,7 +263,7 @@ static rtx fixup_stack_1 PARAMS ((rtx, rtx)); static void optimize_bit_field PARAMS ((rtx, rtx, rtx *)); static void instantiate_decls PARAMS ((tree, int)); static void instantiate_decls_1 PARAMS ((tree, int)); -static void instantiate_decl PARAMS ((rtx, int, int)); +static void instantiate_decl PARAMS ((rtx, HOST_WIDE_INT, int)); static int instantiate_virtual_regs_1 PARAMS ((rtx *, rtx, int)); static void delete_handlers PARAMS ((void)); static void pad_to_arg_alignment PARAMS ((struct args_size *, int, @@ -1451,19 +1452,20 @@ put_reg_into_stack (function, reg, type, promoted_mode, decl_mode, volatile_p, tree type; enum machine_mode promoted_mode, decl_mode; int volatile_p; - int original_regno; + unsigned int original_regno; int used_p; struct hash_table *ht; { struct function *func = function ? function : cfun; rtx new = 0; - int regno = original_regno; + unsigned int regno = original_regno; if (regno == 0) regno = REGNO (reg); if (regno < func->x_max_parm_reg) new = func->x_parm_reg_stack_loc[regno]; + if (new == 0) new = assign_stack_local_1 (decl_mode, GET_MODE_SIZE (decl_mode), 0, func); @@ -3328,7 +3330,7 @@ instantiate_virtual_regs (fndecl, insns) rtx insns; { rtx insn; - int i; + unsigned int i; /* Compute the offsets to use for this function. */ in_arg_offset = FIRST_PARM_OFFSET (fndecl); @@ -3446,7 +3448,7 @@ instantiate_decls_1 (let, valid_only) static void instantiate_decl (x, size, valid_only) rtx x; - int size; + HOST_WIDE_INT size; int valid_only; { enum machine_mode mode; @@ -3476,21 +3478,23 @@ instantiate_decl (x, size, valid_only) instantiate_virtual_regs_1 (&addr, NULL_RTX, 0); - if (valid_only) + if (valid_only && size >= 0) { + unsigned HOST_WIDE_INT decl_size = size; + /* Now verify that the resulting address is valid for every integer or floating-point mode up to and including SIZE bytes long. We do this since the object might be accessed in any mode and frame addresses are shared. */ for (mode = GET_CLASS_NARROWEST_MODE (MODE_INT); - mode != VOIDmode && GET_MODE_SIZE (mode) <= size; + mode != VOIDmode && GET_MODE_SIZE (mode) <= decl_size; mode = GET_MODE_WIDER_MODE (mode)) if (! memory_address_p (mode, addr)) return; for (mode = GET_CLASS_NARROWEST_MODE (MODE_FLOAT); - mode != VOIDmode && GET_MODE_SIZE (mode) <= size; + mode != VOIDmode && GET_MODE_SIZE (mode) <= decl_size; mode = GET_MODE_WIDER_MODE (mode)) if (! memory_address_p (mode, addr)) return; @@ -4523,7 +4527,7 @@ assign_parms (fndecl) may need to do it in a wider mode. */ register rtx parmreg; - int regno, regnoi = 0, regnor = 0; + unsigned int regno, regnoi = 0, regnor = 0; unsignedp = TREE_UNSIGNED (TREE_TYPE (parm)); @@ -4917,7 +4921,7 @@ assign_parms (fndecl) rtx promoted_input_arg (regno, pmode, punsignedp) - int regno; + unsigned int regno; enum machine_mode *pmode; int *punsignedp; { |