[fixed-point] Update comments and remove trailing spaces

["Fu, Chao-Ying" <fu at mips dot com>]

Hi,

  This patch updates comments and removes trailing spaces
in many files.  Thanks!

Regards,
Chao-ying

libgcc/ChangeLog
2007-06-22  Chao-ying Fu  <fu@mips.com>

	* Makefile.in: Remove spaces.

gcc/ChangeLog
2007-06-22  Chao-ying Fu  <fu@mips.com>

	* doc/c-tree.texi (FIXED_CST): Remove spaces.
	* c-lex.c (interpret_fixed): Add one empty line after the comment.
	* optabs.c (expand_fixed_convert): Remove spaces.
	* tree.c (fixed_zerop): Add parentheses.
	(make_or_reuse_fract_type, make_or_reuse_accum_type): Add comments.
	* fold-const.c (fixed-value.h): Add include.
	* c-cppbuiltin.c (builtin_define_fixed_point_constants): Update
	comments and remove spaces.
	(c_cpp_builtins): Remove spaces.
	* df-scan.c (df_uses_record): Support CONST_FIXED.
	* double-int.c (double_int_scmp): Use explicit casts of
	unsigned HOST_WIDE_INT.
	* rtl.def (FRACT_CONVERT, SAT_FRACT): Remove spaces.
	* c-tree.h (c_typespec_keyword): Update comments.
	* machmode.def: Update spaces to tab.
	* expr.c (convert_move): Remove spaces.
	* stor-layout.c (make_fract_type, make_accum_type): Update comments.
	* c-typeck.c (c_common_type): Remove spaces.
	* genmodes.c (make_fixed_point_mode, emit_mode_ibit, emit_mode_fbit):
	Add comments.
	* emit-rtl.c (const_fixed_htab_hash): Add one empty line after comment.
	(const_fixed_htab_eq): Update comments and remove spaces.
	(lookup_const_fixed, const_fixed_from_fixed_value): Add one empty
	line after comments.
	(init_emit_once): Update comments. Delete the initialization of
	fconst1 for FRACT and UFRACT.
	* simplify-rtx.c (simplify_immed_subreg): Remove spaces.
	* fixed-value.c: Update copyright year.
	(check_real_for_fixed_mode, do_fixed_neg, fixed_convert): Remove spaces.
	* fixed-value.h: Update copyright year.  Remove spaces.
	* c-common.c (fixed-value.h): New include.
	(overflow_warning, warnings_for_convert_and_check): Remove spaces.
	* c-parser.c (c_parser_declspecs): Update ref to n1169.pdf.
	* tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb): Update
	comment.s
	* config/fixed-bit.c (SATFRACT): Remove spaces.
	* config/fixed-bit.h: Remove spaces.
	* convert.c (convert_to_fixed): Remove spaces.

gcc/testsuilte/ChangeLog
2007-06-22  Chao-ying Fu  <fu@mips.com>

	* gcc.dg/fixed-point/struct-union.c: Remove spaces.
	* gcc.dg/fixed-point/func-vararg-mixed.c: Likewise.
	* gcc.dg/fixed-point/union-init.c: Likewise.
	* gcc.dg/fixed-point/fixed-point.exp: Likewise.
	* gcc.dg/fixed-point/func-vararg.c: Likewise.
	* gcc.dg/fixed-point/loop-index.c: Likewise.
	* gcc.dg/fixed-point/composite-type.c: Likewise.

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Description: gcc.diff