jump.c (redirect_exp_1): Rework from old redirect_exp.

        * jump.c (redirect_exp_1): Rework from old redirect_exp.  Never
        commit change group changes.
        (invert_exp_1): Similarly.
        (redirect_exp, invert_exp): Use them.
        (redirect_jump_1): New.
        (invert_jump_1): New.
        (jump_optimize_1): Remove code subsumed by condexec.c.
        * rtl.h (invert_jump_1, redirect_jump_1): Declare.

From-SVN: r33474

gcc/ChangeLog

 2000-04-26  Richard Henderson  <rth@cygnus.com>
 
+	* jump.c (redirect_exp_1): Rework from old redirect_exp.  Never
+	commit change group changes.
+	(invert_exp_1): Similarly.
+	(redirect_exp, invert_exp): Use them.
+	(redirect_jump_1): New.
+	(invert_jump_1): New.
+	(jump_optimize_1): Remove code subsumed by condexec.c.
+	* rtl.h (invert_jump_1, redirect_jump_1): Declare.
+
+2000-04-26  Richard Henderson  <rth@cygnus.com>
+
 	* rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
 
 	* genconfig.c (main): Set all HAVE_foo to 1.

gcc/rtl.h

@@ -1502,9 +1502,11 @@ extern int simplejump_p			PARAMS ((rtx));
 extern int returnjump_p			PARAMS ((rtx));
 extern int onlyjump_p			PARAMS ((rtx));
 extern int sets_cc0_p			PARAMS ((rtx));
+extern int invert_jump_1		PARAMS ((rtx, rtx));
 extern int invert_jump			PARAMS ((rtx, rtx));
 extern int rtx_renumbered_equal_p	PARAMS ((rtx, rtx));
 extern int true_regnum			PARAMS ((rtx));
+extern int redirect_jump_1		PARAMS ((rtx, rtx));
 extern int redirect_jump		PARAMS ((rtx, rtx));
 extern void jump_optimize		PARAMS ((rtx, int, int, int));
 extern void jump_optimize_minimal	PARAMS ((rtx));
@@ -1823,11 +1825,12 @@ extern int stack_regs_mentioned		PARAMS ((rtx insn));
 #endif
 
 /* In toplev.c */
-
 extern rtx stack_limit_rtx;
 
 /* In regrename.c */
-
 extern void regrename_optimize		PARAMS ((void));
 
+/* In condexec.c */
+extern void if_convert			PARAMS ((int));
+
 #endif /* _RTL_H */