* calls.c: Fix formatting.

	* c-decl.c: Likewise.
	* cfgcleanup.c: Likewise.
	* combine.c: Likewise.
	* cppfiles.c: Likewise.
	* cpplib.c: Likewise.
	* cppmacro.c: Likewise.
	* crtstuff.c: Likewise.
	* cse.c: Likewise.
	* dwarf2out.c: Likewise.
	* expmed.c: Likewise.
	* expr.c: Likewise.
	* fold-const.c: Likewise.
	* function.c: Likewise.
	* gcse.c: Likewise.
	* genattrtab.c: Likewise.
	* ggc-page.c: Likewise.
	* integrate.c: Likewise.
	* libgcc2.c: Likewise.
	* loop.c: Likewise.
	* optabs.c: Likewise.
	* profile.c: Likewise.
	* protoize.c: Likewise.
	* real.c: Likewise.
	* recog.c: Likewise.
	* reload1.c: Likewise.
	* reload.c: Likewise.
	* reorg.c: Likewise.
	* resource.c: Likewise.
	* sched-rgn.c: Likewise.
	* sdbout.c: Likewise.
	* stmt.c: Likewise.
	* toplev.c: Likewise.
	* varasm.c: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@46182 138bc75d-0d04-0410-961f-82ee72b054a4

13 files changed, 91 insertions, 76 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b322551d11a..237ca1b5447 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,18 @@
+2001-10-11  Kazu Hirata  <kazu@hxi.com>
+
+	* basic-block.h: Fix formatting.
+	* bitmap.h: Likewise.
+	* cpplib.h: Likewise.
+	* c-tree.h: Likewise.
+	* diagnostic.h: Likewise.
+	* flags.h: Likewise.
+	* ggc.h: Likewise.
+	* longlong.h: Likewise.
+	* real.h: Likewise.
+	* reload.h: Likewise.
+	* rtl.h: Likewise.
+	* tree.h: Likewise.
+
 2001-10-10  Richard Henderson  <rth@redhat.com>
 
 	* c-parse.in (asm_operand): Allow named operands.
diff --git a/gcc/basic-block.h b/gcc/basic-block.h
index 9b215c53223..c56ea772c6e 100644
--- a/gcc/basic-block.h
+++ b/gcc/basic-block.h
@@ -83,19 +83,19 @@ do {									\
 } while (0)
 
 /* Loop over all registers in REGSET, starting with MIN, setting REGNUM to the
-   register number and executing CODE for all registers that are set. */
+   register number and executing CODE for all registers that are set.  */
 #define EXECUTE_IF_SET_IN_REG_SET(REGSET, MIN, REGNUM, CODE)		\
   EXECUTE_IF_SET_IN_BITMAP (REGSET, MIN, REGNUM, CODE)
 
 /* Loop over all registers in REGSET1 and REGSET2, starting with MIN, setting
    REGNUM to the register number and executing CODE for all registers that are
-   set in the first regset and not set in the second. */
+   set in the first regset and not set in the second.  */
 #define EXECUTE_IF_AND_COMPL_IN_REG_SET(REGSET1, REGSET2, MIN, REGNUM, CODE) \
   EXECUTE_IF_AND_COMPL_IN_BITMAP (REGSET1, REGSET2, MIN, REGNUM, CODE)
 
 /* Loop over all registers in REGSET1 and REGSET2, starting with MIN, setting
    REGNUM to the register number and executing CODE for all registers that are
-   set in both regsets. */
+   set in both regsets.  */
 #define EXECUTE_IF_AND_IN_REG_SET(REGSET1, REGSET2, MIN, REGNUM, CODE) \
   EXECUTE_IF_AND_IN_BITMAP (REGSET1, REGSET2, MIN, REGNUM, CODE)
 
@@ -275,7 +275,7 @@ extern struct obstack flow_obstack;
 #define ENTRY_BLOCK (-1)
 #define EXIT_BLOCK (-2)
 
-/* Special block number not valid for any block. */
+/* Special block number not valid for any block.  */
 #define INVALID_BLOCK (-3)
 
 /* Similarly, block pointers for the edge list.  */
@@ -654,7 +654,7 @@ extern void free_aux_for_edges		PARAMS ((void));
 
 /* This function is always defined so it can be called from the
    debugger, and it is declared extern so we don't get warnings about
-   it being unused. */
+   it being unused.  */
 extern void verify_flow_info		PARAMS ((void));
 extern int flow_loop_outside_edge_p	PARAMS ((const struct loop *, edge));
 
diff --git a/gcc/bitmap.h b/gcc/bitmap.h
index d1e410facb6..802642af804 100644
--- a/gcc/bitmap.h
+++ b/gcc/bitmap.h
@@ -41,17 +41,17 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 
 typedef struct bitmap_element_def
 {
-  struct bitmap_element_def *next;		/* Next element. */
-  struct bitmap_element_def *prev;		/* Previous element. */
-  unsigned int indx;			/* regno/BITMAP_ELEMENT_ALL_BITS. */
-  unsigned HOST_WIDE_INT bits[BITMAP_ELEMENT_WORDS]; /* Bits that are set. */
+  struct bitmap_element_def *next;		/* Next element.  */
+  struct bitmap_element_def *prev;		/* Previous element.  */
+  unsigned int indx;			/* regno/BITMAP_ELEMENT_ALL_BITS.  */
+  unsigned HOST_WIDE_INT bits[BITMAP_ELEMENT_WORDS]; /* Bits that are set.  */
 } bitmap_element;
 
 /* Head of bitmap linked list.  */
 typedef struct bitmap_head_def {
-  bitmap_element *first;	/* First element in linked list. */
-  bitmap_element *current;	/* Last element looked at. */
-  unsigned int indx;		/* Index of last element looked at. */
+  bitmap_element *first;	/* First element in linked list.  */
+  bitmap_element *current;	/* Last element looked at.  */
+  unsigned int indx;		/* Index of last element looked at.  */
 
 } bitmap_head, *bitmap;
 
@@ -70,7 +70,7 @@ extern bitmap_element bitmap_zero_bits;	/* Zero bitmap element */
 /* Clear a bitmap by freeing up the linked list.  */
 extern void bitmap_clear PARAMS ((bitmap));
 
-/* Copy a bitmap to another bitmap. */
+/* Copy a bitmap to another bitmap.  */
 extern void bitmap_copy PARAMS ((bitmap, bitmap));
 
 /* True if two bitmaps are identical.  */
@@ -158,7 +158,7 @@ do {						\
 #define BITMAP_INIT_ONCE()
 
 /* Loop over all bits in BITMAP, starting with MIN, setting BITNUM to the
-   bit number and executing CODE for all bits that are set. */
+   bit number and executing CODE for all bits that are set.  */
 
 #define EXECUTE_IF_SET_IN_BITMAP(BITMAP, MIN, BITNUM, CODE)		\
 do {									\
@@ -215,7 +215,7 @@ do {									\
 
 /* Loop over all bits in BITMAP1 and BITMAP2, starting with MIN, setting
    BITNUM to the bit number and executing CODE for all bits that are set in
-   the first bitmap and not set in the second. */
+   the first bitmap and not set in the second.  */
 
 #define EXECUTE_IF_AND_COMPL_IN_BITMAP(BITMAP1, BITMAP2, MIN, BITNUM, CODE) \
 do {									\
@@ -282,7 +282,7 @@ do {									\
 
 /* Loop over all bits in BITMAP1 and BITMAP2, starting with MIN, setting
    BITNUM to the bit number and executing CODE for all bits that are set in
-   the both bitmaps. */
+   the both bitmaps.  */
 
 #define EXECUTE_IF_AND_IN_BITMAP(BITMAP1, BITMAP2, MIN, BITNUM, CODE)	\
 do {									\
diff --git a/gcc/c-tree.h b/gcc/c-tree.h
index c25cb112101..09297a83661 100644
--- a/gcc/c-tree.h
+++ b/gcc/c-tree.h
@@ -277,7 +277,7 @@ extern int skip_evaluation;
 extern int dollars_in_ident;
 
 /* Nonzero means allow type mismatches in conditional expressions;
-   just make their values `void'.   */
+   just make their values `void'.  */
 
 extern int flag_cond_mismatch;
 
diff --git a/gcc/cpplib.h b/gcc/cpplib.h
index b258c726746..d9f5d988f80 100644
--- a/gcc/cpplib.h
+++ b/gcc/cpplib.h
@@ -211,7 +211,7 @@ struct cpp_options
   /* Characters between tab stops.  */
   unsigned int tabstop;
 
-  /* Pending options - -D, -U, -A, -I, -ixxx. */
+  /* Pending options - -D, -U, -A, -I, -ixxx.  */
   struct cpp_pending *pending;
 
   /* File name which deps are being written to.  This is 0 if deps are
@@ -273,7 +273,7 @@ struct cpp_options
      generated files and not errors.  */
   unsigned char print_deps_missing_files;
 
-  /* If true, fopen (deps_file, "a") else fopen (deps_file, "w"). */
+  /* If true, fopen (deps_file, "a") else fopen (deps_file, "w").  */
   unsigned char print_deps_append;
 
   /* Nonzero means print names of header files (-H).  */
@@ -323,7 +323,7 @@ struct cpp_options
      the source-file directory.  */
   unsigned char ignore_srcdir;
 
-  /* Zero means dollar signs are punctuation. */
+  /* Zero means dollar signs are punctuation.  */
   unsigned char dollars_in_ident;
 
   /* Nonzero means warn if undefined identifiers are evaluated in an #if.  */
@@ -378,7 +378,7 @@ struct cpp_callbacks
 };
 
 #define CPP_FATAL_LIMIT 1000
-/* True if we have seen a "fatal" error. */
+/* True if we have seen a "fatal" error.  */
 #define CPP_FATAL_ERRORS(PFILE) (cpp_errors (PFILE) >= CPP_FATAL_LIMIT)
 
 /* Name under which this program was invoked.  */
diff --git a/gcc/diagnostic.h b/gcc/diagnostic.h
index 4105e0acbfe..403941ca43f 100644
--- a/gcc/diagnostic.h
+++ b/gcc/diagnostic.h
@@ -61,7 +61,7 @@ typedef int (*printer_fn) PARAMS ((output_buffer *));
 /* This data structure encapsulates an output_buffer's state.  */
 typedef struct
 {
-  /* The prefix for each new line.   */
+  /* The prefix for each new line.  */
   const char *prefix;
 
   /* The real upper bound of number of characters per line, taking into
@@ -191,7 +191,7 @@ struct diagnostic_context
   */
   void (*begin_diagnostic) PARAMS ((output_buffer *, diagnostic_context *));
 
-  /* This function is called after the diagnostic message is printed.   */
+  /* This function is called after the diagnostic message is printed.  */
   void (*end_diagnostic) PARAMS ((output_buffer *, diagnostic_context *));
 
   /* Hook for front-end extensions.  */
diff --git a/gcc/flags.h b/gcc/flags.h
index bd29cea1cde..bf9e2af95ec 100644
--- a/gcc/flags.h
+++ b/gcc/flags.h
@@ -42,7 +42,7 @@ enum debug_info_level
 {
   DINFO_LEVEL_NONE,	/* Write no debugging info.  */
   DINFO_LEVEL_TERSE,	/* Write minimal info to support tracebacks only.  */
-  DINFO_LEVEL_NORMAL,	/* Write info for all declarations (and line table). */
+  DINFO_LEVEL_NORMAL,	/* Write info for all declarations (and line table).  */
   DINFO_LEVEL_VERBOSE	/* Write normal info plus #define/#undef info.  */
 };
 
@@ -89,7 +89,7 @@ extern int extra_warnings;
 
 /* Nonzero to warn about unused variables, functions et.al.  Use
    set_Wunused() to update the -Wunused-* flags that correspond to the
-   -Wunused option. */
+   -Wunused option.  */
 
 extern void set_Wunused PARAMS ((int setting));
 
@@ -119,7 +119,7 @@ extern int warn_uninitialized;
 
 extern int warn_unknown_pragmas;
 
-/* Nonzero means warn about all declarations which shadow others.   */
+/* Nonzero means warn about all declarations which shadow others.  */
 
 extern int warn_shadow;
 
@@ -132,7 +132,7 @@ extern int warn_switch;
 
 extern int warn_return_type;
 
-/* Warn about functions which might be candidates for attribute noreturn. */
+/* Warn about functions which might be candidates for attribute noreturn.  */
 
 extern int warn_missing_noreturn;
 
@@ -174,15 +174,15 @@ extern int profile_flag;
 
 extern int profile_block_flag;
 
-/* Nonzero if generating code to profile program flow graph arcs. */
+/* Nonzero if generating code to profile program flow graph arcs.  */
 
 extern int profile_arc_flag;
 
-/* Nonzero if generating info for gcov to calculate line test coverage. */
+/* Nonzero if generating info for gcov to calculate line test coverage.  */
 
 extern int flag_test_coverage;
 
-/* Nonzero indicates that branch taken probabilities should be calculated. */
+/* Nonzero indicates that branch taken probabilities should be calculated.  */
 
 extern int flag_branch_probabilities;
 
@@ -266,12 +266,12 @@ extern int flag_unroll_loops;
 extern int flag_unroll_all_loops;
 
 /* Nonzero forces all invariant computations in loops to be moved
-   outside the loop. */
+   outside the loop.  */
 
 extern int flag_move_all_movables;
 
 /* Nonzero forces all general induction variables in loops to be
-   strength reduced. */
+   strength reduced.  */
 
 extern int flag_reduce_all_givs;
 
@@ -408,16 +408,16 @@ extern int flag_schedule_speculative_load;
 extern int flag_schedule_speculative_load_dangerous;
 
 /* flag_branch_on_count_reg means try to replace add-1,compare,branch tupple
-   by a cheaper branch, on a count register. */
+   by a cheaper branch, on a count register.  */
 extern int flag_branch_on_count_reg;
 
 /* This option is set to 1 on -fsingle-precision-constant option which is
    used to convert the floating point constants to single precision 
-   constants. */
+   constants.  */
 
 extern int flag_single_precision_constant;
 
-/* Nonzero means put things in delayed-branch slots if supported. */
+/* Nonzero means put things in delayed-branch slots if supported.  */
 
 extern int flag_delayed_branch;
 
@@ -523,7 +523,7 @@ extern int flag_regmove;
 /* Instrument functions with calls at entry and exit, for profiling.  */
 extern int flag_instrument_function_entry_exit;
 
-/* Perform a peephole pass before sched2. */
+/* Perform a peephole pass before sched2.  */
 extern int flag_peephole2;
 
 /* Try to guess branch probablities.  */
diff --git a/gcc/ggc.h b/gcc/ggc.h
index fe3290bc59a..ae021fc203a 100644
--- a/gcc/ggc.h
+++ b/gcc/ggc.h
@@ -123,7 +123,7 @@ extern void ggc_mark_rtvec_children	PARAMS ((struct rtvec_def *));
 
 /* A GC implementation must provide these functions.  */
 
-/* Initialize the garbage collector.   */
+/* Initialize the garbage collector.  */
 extern void init_ggc		PARAMS ((void));
 extern void init_stringpool	PARAMS ((void));
 
diff --git a/gcc/longlong.h b/gcc/longlong.h
index 70f9e1adf69..f218a027f8c 100644
--- a/gcc/longlong.h
+++ b/gcc/longlong.h
@@ -585,7 +585,7 @@ UDItype __umulsidi3 (USItype, USItype);
 	     "1" ((USItype) (al)),					\
 	     "g" ((USItype) (bl)))
 
-/* The '020, '030, '040 and CPU32 have 32x32->64 and 64/32->32q-32r. */
+/* The '020, '030, '040 and CPU32 have 32x32->64 and 64/32->32q-32r.  */
 #if defined (__mc68020__) || defined(mc68020) \
 	|| defined(__mc68030__) || defined(mc68030) \
 	|| defined(__mc68040__) || defined(mc68040) \
@@ -654,7 +654,7 @@ UDItype __umulsidi3 (USItype, USItype);
 #endif /* not mcf5200 */
 #endif /* not mc68020 */
 
-/* The '020, '030, '040 and '060 have bitfield insns. */
+/* The '020, '030, '040 and '060 have bitfield insns.  */
 #if defined (__mc68020__) || defined(mc68020) \
 	|| defined(__mc68030__) || defined(mc68030) \
 	|| defined(__mc68040__) || defined(mc68040) \
@@ -1184,7 +1184,7 @@ UDItype __umulsidi3 (USItype, USItype);
 	   : "r" ((USItype) (__d)),					\
 	     "1" ((USItype) (__n1)),					\
 	     "0" ((USItype) (__n0)) : "g1" __AND_CLOBBER_CC)
-#define UDIV_TIME (3+7*32)	/* 7 instructions/iteration. 32 iterations. */
+#define UDIV_TIME (3+7*32)	/* 7 instructions/iteration. 32 iterations.  */
 #endif /* __sparclite__ */
 #endif /* __sparc_v8__ */
 #endif /* sparc32 */
@@ -1377,7 +1377,7 @@ UDItype __umulsidi3 (USItype, USItype);
     __x1 += __ll_highpart (__x0);/* this can't give carry */		\
     __x1 += __x2;		/* but this indeed can */		\
     if (__x1 < __x2)		/* did we get it? */			\
-      __x3 += __ll_B;		/* yes, add it in the proper pos. */	\
+      __x3 += __ll_B;		/* yes, add it in the proper pos.  */	\
 									\
     (w1) = __x3 + __ll_highpart (__x1);					\
     (w0) = __ll_lowpart (__x1) * __ll_B + __ll_lowpart (__x0);		\
diff --git a/gcc/real.h b/gcc/real.h
index 7df19ceffa9..1e4dab188e2 100644
--- a/gcc/real.h
+++ b/gcc/real.h
@@ -89,7 +89,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 /* **** Start of software floating point emulator interface macros **** */
 
 /* Support 80-bit extended real XFmode if LONG_DOUBLE_TYPE_SIZE
-   has been defined to be 96 in the tm.h machine file. */
+   has been defined to be 96 in the tm.h machine file.  */
 #if (MAX_LONG_DOUBLE_TYPE_SIZE == 96)
 #define REAL_IS_NOT_DOUBLE
 #define REAL_ARITHMETIC
@@ -113,7 +113,7 @@ typedef struct {
 
 #if HOST_FLOAT_FORMAT != TARGET_FLOAT_FORMAT
 /* If no XFmode support, then a REAL_VALUE_TYPE is 64 bits wide
-   but it is not necessarily a host machine double. */
+   but it is not necessarily a host machine double.  */
 #define REAL_IS_NOT_DOUBLE
 typedef struct {
   HOST_WIDE_INT r[(7 + sizeof (HOST_WIDE_INT))/(sizeof (HOST_WIDE_INT))];
@@ -121,7 +121,7 @@ typedef struct {
 #define REAL_VALUE_TYPE realvaluetype
 #else
 /* If host and target formats are compatible, then a REAL_VALUE_TYPE
-   is actually a host machine double. */
+   is actually a host machine double.  */
 #define REAL_VALUE_TYPE double
 #endif
 
@@ -140,7 +140,7 @@ extern unsigned int significand_size	PARAMS ((enum machine_mode));
 #define REAL_ARITHMETIC(value, code, d1, d2) \
   earith (&(value), (code), &(d1), &(d2))
 
-/* Declare functions in real.c. */
+/* Declare functions in real.c.  */
 extern void earith		PARAMS ((REAL_VALUE_TYPE *, int,
 				       REAL_VALUE_TYPE *, REAL_VALUE_TYPE *));
 extern REAL_VALUE_TYPE etrunci	PARAMS ((REAL_VALUE_TYPE));
@@ -185,7 +185,7 @@ extern REAL_VALUE_TYPE ereal_from_double PARAMS ((HOST_WIDE_INT *));
 /* Convert a floating-point value to integer, rounding toward zero.  */
 #define REAL_VALUE_FIX(x) (efixi (x))
 /* Convert a floating-point value to unsigned integer, rounding
-   toward zero. */
+   toward zero.  */
 #define REAL_VALUE_UNSIGNED_FIX(x) (efixui (x))
 
 /* Convert ASCII string S to floating point in mode M.
@@ -207,7 +207,7 @@ extern REAL_VALUE_TYPE ereal_from_double PARAMS ((HOST_WIDE_INT *));
 #define REAL_VALUE_FROM_UNSIGNED_INT(d, lo, hi, mode) \
   ereal_from_uint (&d, lo, hi, mode)
 
-/* IN is a REAL_VALUE_TYPE.  OUT is an array of longs. */
+/* IN is a REAL_VALUE_TYPE.  OUT is an array of longs.  */
 #if (INTEL_EXTENDED_IEEE_FORMAT != 0) && (MAX_LONG_DOUBLE_TYPE_SIZE == 128)
 #define REAL_VALUE_TO_TARGET_LONG_DOUBLE(IN, OUT) (etarldouble ((IN), (OUT)))
 #else
@@ -219,20 +219,20 @@ extern REAL_VALUE_TYPE ereal_from_double PARAMS ((HOST_WIDE_INT *));
 #endif
 #define REAL_VALUE_TO_TARGET_DOUBLE(IN, OUT) (etardouble ((IN), (OUT)))
 
-/* IN is a REAL_VALUE_TYPE.  OUT is a long. */
+/* IN is a REAL_VALUE_TYPE.  OUT is a long.  */
 #define REAL_VALUE_TO_TARGET_SINGLE(IN, OUT) ((OUT) = etarsingle ((IN)))
 
-/* Inverse of REAL_VALUE_TO_TARGET_DOUBLE. */
+/* Inverse of REAL_VALUE_TO_TARGET_DOUBLE.  */
 #define REAL_VALUE_UNTO_TARGET_DOUBLE(d)  (ereal_unto_double (d))
 
-/* Inverse of REAL_VALUE_TO_TARGET_SINGLE. */
+/* Inverse of REAL_VALUE_TO_TARGET_SINGLE.  */
 #define REAL_VALUE_UNTO_TARGET_SINGLE(f)  (ereal_unto_float (f))
 
 /* d is an array of HOST_WIDE_INT that holds a double precision
-   value in the target computer's floating point format. */
+   value in the target computer's floating point format.  */
 #define REAL_VALUE_FROM_TARGET_DOUBLE(d)  (ereal_from_double (d))
 
-/* f is a HOST_WIDE_INT containing a single precision target float value. */
+/* f is a HOST_WIDE_INT containing a single precision target float value.  */
 #define REAL_VALUE_FROM_TARGET_SINGLE(f)  (ereal_from_float (f))
 
 /* Conversions to decimal ASCII string.  */
@@ -318,7 +318,7 @@ do {									\
 #endif
 #endif /* HOST_FLOAT_FORMAT == TARGET_FLOAT_FORMAT */
 
-/* In this configuration, double and long double are the same. */
+/* In this configuration, double and long double are the same.  */
 #ifndef REAL_VALUE_TO_TARGET_LONG_DOUBLE
 #define REAL_VALUE_TO_TARGET_LONG_DOUBLE(a, b) REAL_VALUE_TO_TARGET_DOUBLE (a, b)
 #endif
@@ -356,7 +356,7 @@ do {									\
 #endif
 
 /* Convert a floating-point value to unsigned integer, rounding
-   toward zero. */
+   toward zero.  */
 #ifndef REAL_VALUE_UNSIGNED_FIX
 #define REAL_VALUE_UNSIGNED_FIX(x) ((unsigned int) (x))
 #endif
@@ -370,7 +370,7 @@ extern double ldexp PARAMS ((double, int));
 /* Convert the string X to a floating-point value.  */
 #ifndef REAL_VALUE_ATOF
 #if 1
-/* Use real.c to convert decimal numbers to binary, ... */
+/* Use real.c to convert decimal numbers to binary, ...  */
 #define REAL_VALUE_ATOF(x, s) ereal_atof (x, s)
 /* Could use ereal_atof here for hexadecimal floats too, but real_hex_to_f
    is OK and it uses faster native fp arithmetic.  */
@@ -416,22 +416,22 @@ extern REAL_VALUE_TYPE real_value_truncate PARAMS ((enum machine_mode,
   ? (float) (x) : (x))
 #endif
 
-/* Determine whether a floating-point value X is infinite. */
+/* Determine whether a floating-point value X is infinite.  */
 #ifndef REAL_VALUE_ISINF
 #define REAL_VALUE_ISINF(x) (target_isinf (x))
 #endif
 
-/* Determine whether a floating-point value X is a NaN. */
+/* Determine whether a floating-point value X is a NaN.  */
 #ifndef REAL_VALUE_ISNAN
 #define REAL_VALUE_ISNAN(x) (target_isnan (x))
 #endif
 
-/* Determine whether a floating-point value X is negative. */
+/* Determine whether a floating-point value X is negative.  */
 #ifndef REAL_VALUE_NEGATIVE
 #define REAL_VALUE_NEGATIVE(x) (target_negative (x))
 #endif
 
-/* Determine whether a floating-point value X is minus 0. */
+/* Determine whether a floating-point value X is minus 0.  */
 #ifndef REAL_VALUE_MINUS_ZERO
 #define REAL_VALUE_MINUS_ZERO(x) ((x) == 0 && REAL_VALUE_NEGATIVE (x))
 #endif
diff --git a/gcc/reload.h b/gcc/reload.h
index 3e041756430..e832ed98ea4 100644
--- a/gcc/reload.h
+++ b/gcc/reload.h
@@ -183,7 +183,7 @@ extern int reload_first_uid;
 
 /* Nonzero if indirect addressing is supported when the innermost MEM is
    of the form (MEM (SYMBOL_REF sym)).  It is assumed that the level to
-   which these are valid is the same as spill_indirect_levels, above.   */
+   which these are valid is the same as spill_indirect_levels, above.  */
 
 extern char indirect_symref_ok;
 
diff --git a/gcc/rtl.h b/gcc/rtl.h
index abc7d8cc346..37a204c95d6 100644
--- a/gcc/rtl.h
+++ b/gcc/rtl.h
@@ -32,7 +32,7 @@ struct function;
 #undef PC /* Likewise.  */
 
 /* Value used by some passes to "recognize" noop moves as valid
- instructions. */
+ instructions.  */
 #define NOOP_MOVE_INSN_CODE	INT_MAX
 
 /* Register Transfer Language EXPRESSIONS CODES */
@@ -91,9 +91,9 @@ typedef struct
    the value of the corresponding attribute is unknown.  */
 typedef struct
 {
-  HOST_WIDE_INT alias;		/* Memory alias set. */
-  tree decl;			/* decl corresponding to MEM. */
-  rtx offset;			/* Offset from start of DECL, as CONST_INT. */
+  HOST_WIDE_INT alias;		/* Memory alias set.  */
+  tree decl;			/* decl corresponding to MEM.  */
+  rtx offset;			/* Offset from start of DECL, as CONST_INT.  */
   rtx size;			/* Size in bytes, as a CONST_INT.  */
   unsigned int align;		/* Alignment of MEM in bytes.  */
 } mem_attrs;
@@ -169,7 +169,7 @@ struct rtx_def
      from the target of a branch.  Valid from reorg until end of compilation;
      cleared before used.
      1 in an INSN if this insn is dead code.  Valid only during
-     dead-code elimination phase; cleared before use. */
+     dead-code elimination phase; cleared before use.  */
   unsigned int in_struct : 1;
   /* 1 if this rtx is used.  This is used for copying shared structure.
      See `unshare_all_rtl'.
@@ -415,10 +415,10 @@ extern void rtvec_check_failed_bounds PARAMS ((rtvec, int,
 #define SIBLING_CALL_P(INSN) ((INSN)->jump)
 
 /* 1 if insn is a branch that should not unconditionally execute its
-   delay slots, i.e., it is an annulled branch.   */
+   delay slots, i.e., it is an annulled branch.  */
 #define INSN_ANNULLED_BRANCH_P(INSN) ((INSN)->unchanging)
 
-/* 1 if insn is a dead code.  Valid only for dead-code elimination phase. */
+/* 1 if insn is a dead code.  Valid only for dead-code elimination phase.  */
 #define INSN_DEAD_CODE_P(INSN) ((INSN)->in_struct)
 
 /* 1 if insn is in a delay slot and is from the target of the branch.  If
@@ -698,7 +698,7 @@ enum insn_note
 
   /* Generated whenever a duplicate line number note is output.  For example,
      one is output after the end of an inline function, in order to prevent
-     the line containing the inline call from being counted twice in gcov. */
+     the line containing the inline call from being counted twice in gcov.  */
   NOTE_INSN_REPEATED_LINE_NUMBER,
 
   /* Start/end of a live range region, where pseudos allocated on the stack
@@ -709,7 +709,7 @@ enum insn_note
   /* Record which registers are currently live.  Uses NOTE_LIVE_INFO.  */
   NOTE_INSN_LIVE,
 
-  /* Record the struct for the following basic block.  Uses NOTE_BASIC_BLOCK. */
+  /* Record the struct for the following basic block.  Uses NOTE_BASIC_BLOCK.  */
   NOTE_INSN_BASIC_BLOCK,
 
   /* Record the expected value of a register at a location.  Uses
@@ -1090,10 +1090,10 @@ extern unsigned int subreg_regno 	PARAMS ((rtx));
 /* For RANGE_{START,END} notes, a unique # to identify this range.  */
 #define RANGE_INFO_UNIQUE(INSN) XCINT (INSN, 5, RANGE_INFO)
 
-/* For RANGE_{START,END} notes, the basic block # the range starts with. */
+/* For RANGE_{START,END} notes, the basic block # the range starts with.  */
 #define RANGE_INFO_BB_START(INSN) XCINT (INSN, 6, RANGE_INFO)
 
-/* For RANGE_{START,END} notes, the basic block # the range ends with. */
+/* For RANGE_{START,END} notes, the basic block # the range ends with.  */
 #define RANGE_INFO_BB_END(INSN) XCINT (INSN, 7, RANGE_INFO)
 
 /* For RANGE_{START,END} notes, the loop depth the range is in.  */
@@ -1129,7 +1129,7 @@ extern unsigned int subreg_regno 	PARAMS ((rtx));
 #define RANGE_REG_DEATHS(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 4)
 
 /* Whether the original value is needed to be copied into the range register at
-   the start of the range. */
+   the start of the range.  */
 #define RANGE_REG_COPY_FLAGS(INSN,N) XINT (XCVECEXP (INSN, 2, N, RANGE_INFO), 5)
 
 /* # of insns the register copy is live over.  */
@@ -1530,7 +1530,7 @@ extern rtx const_tiny_rtx[3][(int) MAX_MACHINE_MODE];
    hard frame pointer and the automatic variables are separated by an amount
    that cannot be determined until after register allocation.  We can assume
    that in this case ELIMINABLE_REGS will be defined, one action of which
-   will be to eliminate FRAME_POINTER_REGNUM into HARD_FRAME_POINTER_REGNUM. */
+   will be to eliminate FRAME_POINTER_REGNUM into HARD_FRAME_POINTER_REGNUM.  */
 #ifndef HARD_FRAME_POINTER_REGNUM
 #define HARD_FRAME_POINTER_REGNUM FRAME_POINTER_REGNUM
 #endif
@@ -1771,7 +1771,7 @@ extern void never_reached_warning	PARAMS ((rtx));
 extern void purge_line_number_notes	PARAMS ((rtx));
 extern void copy_loop_headers		PARAMS ((rtx));
 
-/* In emit-rtl.c. */
+/* In emit-rtl.c.  */
 extern int max_reg_num				PARAMS ((void));
 extern int max_label_num			PARAMS ((void));
 extern int get_first_label_num			PARAMS ((void));
@@ -1824,7 +1824,7 @@ extern void dump_combine_stats		PARAMS ((FILE *));
 extern void dump_combine_total_stats	PARAMS ((FILE *));
 #endif
 
-/* In sched.c. */
+/* In sched.c.  */
 #ifdef BUFSIZ
 extern void schedule_insns		PARAMS ((FILE *));
 extern void schedule_ebbs		PARAMS ((FILE *));
diff --git a/gcc/tree.h b/gcc/tree.h
index ba108397767..5c35fd730c2 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -116,7 +116,7 @@ extern tree built_in_decls[(int) END_BUILTINS];
    so all nodes have these fields.
 
    See the accessor macros, defined below, for documentation of the
-   fields.   */
+   fields.  */
 
 struct tree_common
 {