From 818aa0c55daf55bb4eaccc31d2be73d78aae4c91 Mon Sep 17 00:00:00 2001
From: Eric Botcazou <ebotcazou@adacore.com>
Date: Tue, 2 Nov 2010 19:31:59 +0000
Subject: [PATCH] basic-block.h (insert_insn_end_bb_new): Delete.
* basic-block.h (insert_insn_end_bb_new): Delete.
* cfgrtl.c (insert_insn_end_bb_new): Likewise.
From-SVN: r166212
---
gcc/ChangeLog | 5 +++
gcc/basic-block.h | 3 --
gcc/cfgrtl.c | 88 -----------------------------------------------
3 files changed, 5 insertions(+), 91 deletions(-)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0c8d225775f0..5b8a3c43dc9c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2010-11-02 Eric Botcazou <ebotcazou@adacore.com>
+
+ * basic-block.h (insert_insn_end_bb_new): Delete.
+ * cfgrtl.c (insert_insn_end_bb_new): Likewise.
+
2010-11-02 Uros Bizjak <ubizjak@gmail.com>
H.J. Lu <hongjiu.lu@intel.com>
diff --git a/gcc/basic-block.h b/gcc/basic-block.h
index f175208cfd3a..c90fc1198fe9 100644
--- a/gcc/basic-block.h
+++ b/gcc/basic-block.h
@@ -881,9 +881,6 @@ extern basic_block get_bb_copy (basic_block);
void set_loop_copy (struct loop *, struct loop *);
struct loop *get_loop_copy (struct loop *);
-
-extern rtx insert_insn_end_bb_new (rtx, basic_block);
-
#include "cfghooks.h"
/* Return true when one of the predecessor edges of BB is marked with EDGE_EH. */
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c
index a19ba8daa2b8..66f0b14f2c42 100644
--- a/gcc/cfgrtl.c
+++ b/gcc/cfgrtl.c
@@ -3090,94 +3090,6 @@ init_rtl_bb_info (basic_block bb)
bb->il.rtl = ggc_alloc_cleared_rtl_bb_info ();
}
-
-/* Add EXPR to the end of basic block BB. */
-
-rtx
-insert_insn_end_bb_new (rtx pat, basic_block bb)
-{
- rtx insn = BB_END (bb);
- rtx new_insn;
- rtx pat_end = pat;
-
- while (NEXT_INSN (pat_end) != NULL_RTX)
- pat_end = NEXT_INSN (pat_end);
-
- /* If the last insn is a jump, insert EXPR in front [taking care to
- handle cc0, etc. properly]. Similarly we need to care trapping
- instructions in presence of non-call exceptions. */
-
- if (JUMP_P (insn)
- || (NONJUMP_INSN_P (insn)
- && (!single_succ_p (bb)
- || single_succ_edge (bb)->flags & EDGE_ABNORMAL)))
- {
-#ifdef HAVE_cc0
- rtx note;
-#endif
- /* If this is a jump table, then we can't insert stuff here. Since
- we know the previous real insn must be the tablejump, we insert
- the new instruction just before the tablejump. */
- if (GET_CODE (PATTERN (insn)) == ADDR_VEC
- || GET_CODE (PATTERN (insn)) == ADDR_DIFF_VEC)
- insn = prev_real_insn (insn);
-
-#ifdef HAVE_cc0
- /* FIXME: 'twould be nice to call prev_cc0_setter here but it aborts
- if cc0 isn't set. */
- note = find_reg_note (insn, REG_CC_SETTER, NULL_RTX);
- if (note)
- insn = XEXP (note, 0);
- else
- {
- rtx maybe_cc0_setter = prev_nonnote_insn (insn);
- if (maybe_cc0_setter
- && INSN_P (maybe_cc0_setter)
- && sets_cc0_p (PATTERN (maybe_cc0_setter)))
- insn = maybe_cc0_setter;
- }
-#endif
- /* FIXME: What if something in cc0/jump uses value set in new
- insn? */
- new_insn = emit_insn_before_noloc (pat, insn, bb);
- }
-
- /* Likewise if the last insn is a call, as will happen in the presence
- of exception handling. */
- else if (CALL_P (insn)
- && (!single_succ_p (bb)
- || single_succ_edge (bb)->flags & EDGE_ABNORMAL))
- {
- /* Keeping in mind targets with small register classes and parameters
- in registers, we search backward and place the instructions before
- the first parameter is loaded. Do this for everyone for consistency
- and a presumption that we'll get better code elsewhere as well. */
-
- /* Since different machines initialize their parameter registers
- in different orders, assume nothing. Collect the set of all
- parameter registers. */
- insn = find_first_parameter_load (insn, BB_HEAD (bb));
-
- /* If we found all the parameter loads, then we want to insert
- before the first parameter load.
-
- If we did not find all the parameter loads, then we might have
- stopped on the head of the block, which could be a CODE_LABEL.
- If we inserted before the CODE_LABEL, then we would be putting
- the insn in the wrong basic block. In that case, put the insn
- after the CODE_LABEL. Also, respect NOTE_INSN_BASIC_BLOCK. */
- while (LABEL_P (insn)
- || NOTE_INSN_BASIC_BLOCK_P (insn))
- insn = NEXT_INSN (insn);
-
- new_insn = emit_insn_before_noloc (pat, insn, bb);
- }
- else
- new_insn = emit_insn_after_noloc (pat, insn, bb);
-
- return new_insn;
-}
-
/* Returns true if it is possible to remove edge E by redirecting
it to the destination of the other edge from E->src. */
--
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