Warning fixes:

	* Makefile.in (gencheck.o): Depend on gansidecl.h.
	* c-common.c (print_char_table): Add missing initializers.
	(scan_char_table): Likewise.
	(time_char_table): Likewise.
	* c-decl.c (c_decode_option): Mark parameter `argc' with
	ATTRIBUTE_UNUSED.
	(declare_parm_level): Mark parameter `definition_flag' with
	ATTRIBUTE_UNUSED.
	* c-lex.c (readescape): Use `(unsigned)1' in shift.
	(yylex): Likewise.  Cast `sizeof' to an (int) when comparing
	against one.
	* calls.c (store_one_arg): Remove unused parameter `fndecl'.  All
	callers changed.
	(emit_call_1): Mark parameters `fndecl' and `funtype' with
	ATTRIBUTE_UNUSED.
	(expand_call): Cast result of MIN() to (unsigned int) when
	comparing against an unsigned value.
	* cccp.c (pcfinclude): Remove unused parameter `limit'.  All
	callers changed.
	(make_definition): Remove unused parameter `op'.  All callers
	changed.
	(create_definition): Cast REST_EXTENSION_LENGTH to (long) when
	comparing against the result of pointer arithmetic.
	* config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
	when comparing against one.
	* dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
 	HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
 	one.
	(output_die): Move variable `i' into the scope in which it is
	used.  Change its type to `unsigned'.
	(output_die): Cast the result of `strlen' to (int) when passing it
	to ASM_OUTPUT_ASCII().
	(output_pubnames): Likewise.
	(output_line_info): Likewise.
	* emit-rtl.c (global_rtl): Add missing initializers.
	* explow.c (promote_mode): Mark parameter `for_call' with
	ATTRIBUTE_UNUSED.
	* expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
 	`unsigned HOST_WIDE_INT' when comparing against one.
	(synth_mult): Change type of variable `cost' to int.
	(emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
	* expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
	when comparing against one.
	(get_inner_reference): Change variable `alignment' to unsigned.
	(expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
	int) when comparing against one.
	(expand_builtin_setjmp): Change type of variable `i' to size_t.
	* fold-const.c (div_and_round_double): Cast BASE to
	(HOST_WIDE_INT) when comparing against one.
	* gencheck.c: Include gansidecl.h.
	(main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
	* optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
	`tcode' with ATTRIBUTE_UNUSED.
	* real.c (edivm): Cast constant value to (unsigned long) in
	expression compared against an unsigned value.
	* stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
	comparing against one.
	(expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
	when comparing against one.
	* stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
	(unsigned int) when comparing against one.  Likewise for
	GET_MODE_BITSIZE.
	(smallest_mode_for_size): Likewise.
	(save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
	(restore_storage_status): Likewise.
	* toplev.c (debug_args): Add missing initializer.
	(f_options): Spelling correction.  Add missing initializers.
	(documented_lang_options): Likewise.
	(debug_end_source_file): Mark parameter `lineno' with
	ATTRIBUTE_UNUSED.
	* tree.c (valid_machine_attribute): Mark parameters `attr_args',
	`decl' and `type' with ATTRIBUTE_UNUSED.
	* varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
	when comparing against one.
	(assemble_variable): Mark parameter `top_level' with
	ATTRIBUTE_UNUSED.
	(assemble_external_libcall): Mark parameter `fun' with
	ATTRIBUTE_UNUSED.
	(output_constant_pool): Mark parameters `fnname' and `fndecl' with
	ATTRIBUTE_UNUSED.

From-SVN: r23054

1 files changed, 4 insertions, 4 deletions

diff --git a/gcc/c-lex.c b/gcc/c-lex.c
index 6e56a3f..ec1386a 100644
--- a/gcc/c-lex.c
+++ b/gcc/c-lex.c
@@ -950,7 +950,7 @@ readescape (ignore_ptr)
 	;
       else if ((count - 1) * 4 >= TYPE_PRECISION (integer_type_node)
 	       || (count > 1
-		   && ((1 << (TYPE_PRECISION (integer_type_node) - (count - 1) * 4))
+		   && (((unsigned)1 << (TYPE_PRECISION (integer_type_node) - (count - 1) * 4))
 		       <= firstdig)))
 	pedwarn ("hex escape out of range");
       return code;
@@ -1848,7 +1848,7 @@ yylex ()
 		if (ignore)
 		  goto tryagain;
 		if (width < HOST_BITS_PER_INT
-		    && (unsigned) c >= (1 << width))
+		    && (unsigned) c >= ((unsigned)1 << width))
 		  pedwarn ("escape sequence out of range for character");
 #ifdef MAP_CHARACTER
 		if (ISPRINT (c))
@@ -2003,7 +2003,7 @@ yylex ()
 		if (ignore)
 		  goto skipnewline;
 		if (width < HOST_BITS_PER_INT
-		    && (unsigned) c >= (1 << width))
+		    && (unsigned) c >= ((unsigned)1 << width))
 		  pedwarn ("escape sequence out of range for character");
 	      }
 	    else if (c == '\n')
@@ -2063,7 +2063,7 @@ yylex ()
 		for (byte = 0; byte < WCHAR_BYTES; ++byte)
 		  {
 		    int value;
-		    if (byte >= sizeof (c))
+		    if (byte >= (int) sizeof (c))
 		      value = 0;
 		    else
 		      value = (c >> (byte * width)) & bytemask;