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riscv-gcc-1
Commit 4581c678 by Nathanael Nerode
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* c-typeck.c: Remove #if 0 clauses. 

From-SVN: r67905
parent 9e7d1164
Showing with 2 additions and 128 deletions
gcc/ChangeLog
2003-06-13 Nathanael Nerode <neroden@gcc.gnu.org>
* c-typeck.c: Remove #if 0 clauses.
PR other/1494
* config/alpha/openbsd.h, config/i386/openbsd.h,
config/m68k/openbsd.h, config/sparc/openbsd.h: Remove
......
gcc/c-typeck.c
......@@ -334,10 +334,6 @@ common_type (t1, t2)
TYPE_QUALS (pointed_to_2)));
return build_type_attribute_variant (t1, attributes);
}
#if 0
t1 = build_pointer_type (common_type (TREE_TYPE (t1), TREE_TYPE (t2)));
return build_type_attribute_variant (t1, attributes);
#endif
case ARRAY_TYPE:
{
......@@ -1714,14 +1710,6 @@ convert_arguments (typelist, values, name, fundecl)
&& TREE_CODE (TREE_OPERAND (val, 0)) == INTEGER_CST
&& int_fits_type_p (TREE_OPERAND (val, 0), type))
;
#if 0 /* We never get such tree structure here. */
else if (TREE_CODE (TREE_TYPE (val)) == ENUMERAL_TYPE
&& int_fits_type_p (TYPE_MIN_VALUE (TREE_TYPE (val)), type)
&& int_fits_type_p (TYPE_MAX_VALUE (TREE_TYPE (val)), type))
/* Change in signedness doesn't matter
if an enum value is unaffected. */
;
#endif
/* If the value is extended from a narrower
unsigned type, it doesn't matter whether we
pass it as signed or unsigned; the value
......@@ -3028,28 +3016,6 @@ build_unary_op (code, xarg, flag)
if (val != 0)
return val;
#if 0 /* Turned off because inconsistent;
float f; *&(int)f = 3.4 stores in int format
whereas (int)f = 3.4 stores in float format. */
/* Address of a cast is just a cast of the address
of the operand of the cast. */
switch (TREE_CODE (arg))
{
case NOP_EXPR:
case CONVERT_EXPR:
case FLOAT_EXPR:
case FIX_TRUNC_EXPR:
case FIX_FLOOR_EXPR:
case FIX_ROUND_EXPR:
case FIX_CEIL_EXPR:
if (pedantic)
pedwarn ("ISO C forbids the address of a cast expression");
return convert (build_pointer_type (TREE_TYPE (arg)),
build_unary_op (ADDR_EXPR, TREE_OPERAND (arg, 0),
0));
}
#endif
/* Anything not already handled and not a true memory reference
or a non-lvalue array is an error. */
else if (typecode != FUNCTION_TYPE && !flag
......@@ -3115,35 +3081,6 @@ build_unary_op (code, xarg, flag)
return fold (build1 (code, argtype, arg));
}
#if 0
/* If CONVERSIONS is a conversion expression or a nested sequence of such,
convert ARG with the same conversions in the same order
and return the result. */
static tree
convert_sequence (conversions, arg)
tree conversions;
tree arg;
{
switch (TREE_CODE (conversions))
{
case NOP_EXPR:
case CONVERT_EXPR:
case FLOAT_EXPR:
case FIX_TRUNC_EXPR:
case FIX_FLOOR_EXPR:
case FIX_ROUND_EXPR:
case FIX_CEIL_EXPR:
return convert (TREE_TYPE (conversions),
convert_sequence (TREE_OPERAND (conversions, 0),
arg));
default:
return arg;
}
}
#endif /* 0 */
/* Return nonzero if REF is an lvalue valid for this language.
Lvalues can be assigned, unless their type has TYPE_READONLY.
Lvalues can have their address taken, unless they have DECL_REGISTER. */
......@@ -3367,11 +3304,6 @@ c_mark_addressable (exp)
/* drops in */
case FUNCTION_DECL:
TREE_ADDRESSABLE (x) = 1;
#if 0 /* poplevel deals with this now. */
if (DECL_CONTEXT (x) == 0)
TREE_ADDRESSABLE (DECL_ASSEMBLER_NAME (x)) = 1;
#endif
default:
return true;
}
......@@ -3392,23 +3324,6 @@ build_conditional_expr (ifexp, op1, op2)
ifexp = c_common_truthvalue_conversion (default_conversion (ifexp));
#if 0 /* Produces wrong result if within sizeof. */
/* Don't promote the operands separately if they promote
the same way. Return the unpromoted type and let the combined
value get promoted if necessary. */
if (TREE_TYPE (op1) == TREE_TYPE (op2)
&& TREE_CODE (TREE_TYPE (op1)) != ARRAY_TYPE
&& TREE_CODE (TREE_TYPE (op1)) != ENUMERAL_TYPE
&& TREE_CODE (TREE_TYPE (op1)) != FUNCTION_TYPE)
{
if (TREE_CODE (ifexp) == INTEGER_CST)
return pedantic_non_lvalue (integer_zerop (ifexp) ? op2 : op1);
return fold (build (COND_EXPR, TREE_TYPE (op1), ifexp, op1, op2));
}
#endif
/* Promote both alternatives. */
if (TREE_CODE (TREE_TYPE (op1)) != VOID_TYPE)
......@@ -3580,14 +3495,6 @@ internal_build_compound_expr (list, first_p)
TREE_VALUE (list)
= default_function_array_conversion (TREE_VALUE (list));
#if 0 /* If something inside inhibited lvalueness, we should not override. */
/* Consider (x, y+0), which is not an lvalue since y+0 is not. */
/* Strip NON_LVALUE_EXPRs since we aren't using as an lvalue. */
if (TREE_CODE (list) == NON_LVALUE_EXPR)
list = TREE_OPERAND (list, 0);
#endif
/* Don't let (0, 0) be null pointer constant. */
if (!first_p && integer_zerop (TREE_VALUE (list)))
return non_lvalue (TREE_VALUE (list));
......@@ -3640,12 +3547,6 @@ build_c_cast (type, expr)
if (!flag_objc || !objc_is_id (type))
type = TYPE_MAIN_VARIANT (type);
#if 0
/* Strip NON_LVALUE_EXPRs since we aren't using as an lvalue. */
if (TREE_CODE (value) == NON_LVALUE_EXPR)
value = TREE_OPERAND (value, 0);
#endif
if (TREE_CODE (type) == ARRAY_TYPE)
{
error ("cast specifies array type");
......@@ -4460,35 +4361,6 @@ store_init_value (decl, init)
/* Store the expression if valid; else report error. */
#if 0
/* Note that this is the only place we can detect the error
in a case such as struct foo bar = (struct foo) { x, y };
where there is one initial value which is a constructor expression. */
if (value == error_mark_node)
;
else if (TREE_STATIC (decl) && ! TREE_CONSTANT (value))
{
error ("initializer for static variable is not constant");
value = error_mark_node;
}
else if (TREE_STATIC (decl)
&& initializer_constant_valid_p (value, TREE_TYPE (value)) == 0)
{
error ("initializer for static variable uses complicated arithmetic");
value = error_mark_node;
}
else
{
if (pedantic && TREE_CODE (value) == CONSTRUCTOR)
{
if (! TREE_CONSTANT (value))
pedwarn ("aggregate initializer is not constant");
else if (! TREE_STATIC (value))
pedwarn ("aggregate initializer uses complicated arithmetic");
}
}
#endif
if (warn_traditional && !in_system_header
&& AGGREGATE_TYPE_P (TREE_TYPE (decl)) && ! TREE_STATIC (decl))
warning ("traditional C rejects automatic aggregate initialization");
......
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