[PATCH 02/12] remove some ifdef HAVE_cc0

[tbsaunde+gcc@tbsaunde.org]

From: Trevor Saunders <tbsaunde+gcc@tbsaunde.org>

gcc/ChangeLog:

2015-04-21  Trevor Saunders  <tbsaunde+gcc@tbsaunde.org>

	* conditions.h: Define macros even if HAVE_cc0 is undefined.
	* emit-rtl.c: Define functions even if HAVE_cc0 is undefined.
	* final.c: Likewise.
	* jump.c: Likewise.
	* recog.c: Likewise.
	* recog.h: Declare functions even when HAVE_cc0 is undefined.
	* sched-deps.c (sched_analyze_2): Always compile case for cc0.
---
 gcc/conditions.h | 6 ------
 gcc/emit-rtl.c   | 2 --
 gcc/final.c      | 2 --
 gcc/jump.c       | 3 ---
 gcc/recog.c      | 2 --
 gcc/recog.h      | 2 --
 gcc/sched-deps.c | 5 +++--
 7 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/gcc/conditions.h b/gcc/conditions.h
index 2308bfc..7cd1e1c 100644
--- a/gcc/conditions.h
+++ b/gcc/conditions.h
@@ -20,10 +20,6 @@ along with GCC; see the file COPYING3.  If not see
 #ifndef GCC_CONDITIONS_H
 #define GCC_CONDITIONS_H
 
-/* None of the things in the files exist if we don't use CC0.  */
-
-#ifdef HAVE_cc0
-
 /* The variable cc_status says how to interpret the condition code.
    It is set by output routines for an instruction that sets the cc's
    and examined by output routines for jump instructions.
@@ -117,6 +113,4 @@ extern CC_STATUS cc_status;
  (cc_status.flags = 0, cc_status.value1 = 0, cc_status.value2 = 0,  \
   CC_STATUS_MDEP_INIT)
 
-#endif
-
 #endif /* GCC_CONDITIONS_H */
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 483eacb..c1974bb 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -3541,7 +3541,6 @@ prev_active_insn (rtx uncast_insn)
   return insn;
 }
 \f
-#ifdef HAVE_cc0
 /* Return the next insn that uses CC0 after INSN, which is assumed to
    set it.  This is the inverse of prev_cc0_setter (i.e., prev_cc0_setter
    applied to the result of this function should yield INSN).
@@ -3589,7 +3588,6 @@ prev_cc0_setter (rtx uncast_insn)
 
   return insn;
 }
-#endif
 
 #ifdef AUTO_INC_DEC
 /* Find a RTX_AUTOINC class rtx which matches DATA.  */
diff --git a/gcc/final.c b/gcc/final.c
index 1fa93d9..41f6bd9 100644
--- a/gcc/final.c
+++ b/gcc/final.c
@@ -191,7 +191,6 @@ static rtx last_ignored_compare = 0;
 
 static int insn_counter = 0;
 
-#ifdef HAVE_cc0
 /* This variable contains machine-dependent flags (defined in tm.h)
    set and examined by output routines
    that describe how to interpret the condition codes properly.  */
@@ -202,7 +201,6 @@ CC_STATUS cc_status;
    from before the insn.  */
 
 CC_STATUS cc_prev_status;
-#endif
 
 /* Number of unmatched NOTE_INSN_BLOCK_BEG notes we have seen.  */
 
diff --git a/gcc/jump.c b/gcc/jump.c
index 34b3b7b..bc91550 100644
--- a/gcc/jump.c
+++ b/gcc/jump.c
@@ -1044,8 +1044,6 @@ jump_to_label_p (const rtx_insn *insn)
 	  && JUMP_LABEL (insn) != NULL && !ANY_RETURN_P (JUMP_LABEL (insn)));
 }
 
-#ifdef HAVE_cc0
-
 /* Return nonzero if X is an RTX that only sets the condition codes
    and has no side effects.  */
 
@@ -1094,7 +1092,6 @@ sets_cc0_p (const_rtx x)
     }
   return 0;
 }
-#endif
 \f
 /* Find all CODE_LABELs referred to in X, and increment their use
    counts.  If INSN is a JUMP_INSN and there is at least one
diff --git a/gcc/recog.c b/gcc/recog.c
index a9d3b1f..c3ad86f 100644
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -971,7 +971,6 @@ validate_simplify_insn (rtx insn)
   return ((num_changes_pending () > 0) && (apply_change_group () > 0));
 }
 \f
-#ifdef HAVE_cc0
 /* Return 1 if the insn using CC0 set by INSN does not contain
    any ordered tests applied to the condition codes.
    EQ and NE tests do not count.  */
@@ -988,7 +987,6 @@ next_insn_tests_no_inequality (rtx insn)
   return (INSN_P (next)
 	  && ! inequality_comparisons_p (PATTERN (next)));
 }
-#endif
 \f
 /* Return 1 if OP is a valid general operand for machine mode MODE.
    This is either a register reference, a memory reference,
diff --git a/gcc/recog.h b/gcc/recog.h
index 45ea671..8a38b26 100644
--- a/gcc/recog.h
+++ b/gcc/recog.h
@@ -112,9 +112,7 @@ extern void validate_replace_rtx_group (rtx, rtx, rtx);
 extern void validate_replace_src_group (rtx, rtx, rtx);
 extern bool validate_simplify_insn (rtx insn);
 extern int num_changes_pending (void);
-#ifdef HAVE_cc0
 extern int next_insn_tests_no_inequality (rtx);
-#endif
 extern bool reg_fits_class_p (const_rtx, reg_class_t, int, machine_mode);
 
 extern int offsettable_memref_p (rtx);
diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c
index 5434831..31de6be 100644
--- a/gcc/sched-deps.c
+++ b/gcc/sched-deps.c
@@ -2608,8 +2608,10 @@ sched_analyze_2 (struct deps_desc *deps, rtx x, rtx_insn *insn)
 
       return;
 
-#ifdef HAVE_cc0
     case CC0:
+#ifdef HAVE_cc0
+      gcc_unreachable ();
+#endif
       /* User of CC0 depends on immediately preceding insn.  */
       SCHED_GROUP_P (insn) = 1;
        /* Don't move CC0 setter to another block (it can set up the
@@ -2620,7 +2622,6 @@ sched_analyze_2 (struct deps_desc *deps, rtx x, rtx_insn *insn)
 	sched_deps_info->finish_rhs ();
 
       return;
-#endif
 
     case REG:
       {
-- 
2.3.0.80.g18d0fec.dirty