expr.h, real.h: Finish prototyping.

        * expr.h, real.h: Finish prototyping.
Some of hj's prototyping stuff after minor formatting fixes.

From-SVN: r14846

gcc/ChangeLog

@@ -3,6 +3,10 @@ Tue Aug 19 09:34:57 1997  Jeffrey A Law  (law@cygnus.com)
 	* Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
 	(site.exp, check, check-g++, check-gcc): New targets.
 
+Tue Aug 19 07:18:34 1997  H.J. Lu  (hjl@gnu.ai.mit.edu)
+
+	* expr.h, real.h: Finish prototyping.
+
 Mon Aug 18 17:39:02 1997  Mike Meissner  <meissner@cygnus.com>
 
 	* configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single

gcc/expr.h

@@ -315,7 +315,7 @@ typedef struct optab
 #define GEN_FCN(CODE) (*insn_gen_function[(int) (CODE)])
 #endif
 
-extern rtx (*const insn_gen_function[]) ();
+extern rtx (*const insn_gen_function[]) PROTO ((rtx, ...));
 
 extern optab add_optab;
 extern optab sub_optab;
@@ -507,7 +507,7 @@ extern rtx chkr_set_right_libfunc;
 extern rtx chkr_copy_bitmap_libfunc;
 extern rtx chkr_check_exec_libfunc;
 
-typedef rtx (*rtxfun) ();
+typedef rtx (*rtxfun) PROTO ((rtx));
 
 /* Indexed by the rtx-code for a conditional (eg. EQ, LT,...)
    gives the gen_function to make a branch to test that condition.  */
@@ -595,6 +595,7 @@ rtx emit_conditional_move PROTO((rtx, enum rtx_code, rtx, rtx,
 
 /* Return non-zero if the conditional move is supported.  */
 int can_conditionally_move_p PROTO((enum machine_mode mode));
+
 #endif
 
 /* Create but don't emit one rtl instruction to add one rtx into another.
@@ -931,7 +932,9 @@ extern rtx assemble_static_space PROTO((int));
 /* Hook called by expand_expr for language-specific tree codes.
    It is up to the language front end to install a hook
    if it has any such codes that expand_expr needs to know about.  */
-extern rtx (*lang_expand_expr) ();
+extern rtx (*lang_expand_expr) PROTO ((union tree_node *, rtx,
+				       enum machine_mode,
+				       enum expand_modifier modifier));
 
 #ifdef TREE_CODE
 /* Build bytecode call descriptor for function SUBR. */
@@ -942,3 +945,10 @@ extern rtx bc_build_calldesc PROTO((tree));
    plus the minimal alignment shifted left 8 bits.  */
 extern tree bc_runtime_type_code PROTO((tree));
 #endif
+
+extern void init_all_optabs			PROTO ((void));
+extern void init_mov_optab			PROTO ((void));
+extern void bc_adjust_stack			PROTO ((int));
+extern void bc_load_localaddr			PROTO ((rtx));
+extern void do_jump_by_parts_greater_rtx	PROTO ((enum machine_mode, int,
+							rtx, rtx, rtx, rtx));

gcc/real.h

@@ -166,7 +166,8 @@ extern REAL_VALUE_TYPE ereal_from_double PROTO((HOST_WIDE_INT *));
 /* These return REAL_VALUE_TYPE: */
 #define REAL_VALUE_RNDZINT(x) (etrunci (x))
 #define REAL_VALUE_UNSIGNED_RNDZINT(x) (etruncui (x))
-extern REAL_VALUE_TYPE real_value_truncate ();
+extern REAL_VALUE_TYPE real_value_truncate	PROTO ((enum machine_mode,
+							REAL_VALUE_TYPE));
 #define REAL_VALUE_TRUNCATE(mode, x)  real_value_truncate (mode, x)
 
 /* These return HOST_WIDE_INT: */
@@ -360,7 +361,8 @@ extern double (atof) ();
    size and where `float' is SFmode.  */
 
 /* Don't use REAL_VALUE_TRUNCATE directly--always call real_value_truncate.  */
-extern REAL_VALUE_TYPE real_value_truncate ();
+extern REAL_VALUE_TYPE real_value_truncate	PROTO ((enum machine_mode,
+							REAL_VALUE_TYPE));
 
 #ifndef REAL_VALUE_TRUNCATE
 #define REAL_VALUE_TRUNCATE(mode, x) \
@@ -421,11 +423,12 @@ union real_extract
    or cc0_rtx if it is not on the chain.  */
 #define CONST_DOUBLE_MEM(r) XEXP (r, 0)
 
+/* Given a CONST_DOUBLE in FROM, store into TO the value it represents.  */
 /* Function to return a real value (not a tree node)
    from a given integer constant.  */
-REAL_VALUE_TYPE real_value_from_int_cst ();
-
-/* Given a CONST_DOUBLE in FROM, store into TO the value it represents.  */
+union tree_node;
+REAL_VALUE_TYPE real_value_from_int_cst	PROTO ((union tree_node *,
+						union tree_node *));
 
 #define REAL_VALUE_FROM_CONST_DOUBLE(to, from)		\
 do { union real_extract u;				\
@@ -449,4 +452,13 @@ extern struct rtx_def *immed_real_const_1	PROTO((REAL_VALUE_TYPE,
 /* Replace R by 1/R in the given machine mode, if the result is exact.  */
 extern int exact_real_inverse PROTO((enum machine_mode, REAL_VALUE_TYPE *));
 
+extern int target_isnan			PROTO ((REAL_VALUE_TYPE));
+extern int target_isinf			PROTO ((REAL_VALUE_TYPE));
+extern int target_negative		PROTO ((REAL_VALUE_TYPE));
+extern void debug_real			PROTO ((REAL_VALUE_TYPE));
+
+/* In varasm.c */
+extern void assemble_real		PROTO ((REAL_VALUE_TYPE,
+						enum machine_mode));
+
 #endif /* Not REAL_H_INCLUDED */