From: Kaz Kojima <kkojima@gcc.gnu.org>
Date: Mon, 4 May 2015 23:25:58 +0000 (+0000)
Subject: re PR target/65987 ([SH] Wrong jump generated for gcc.dg/tree-prof/va-arg-pack-1... 
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4e417af354507747882f17d09c616d6e572ab0ee;p=gcc.git

re PR target/65987 ([SH] Wrong jump generated for gcc.dg/tree-prof/va-arg-pack-1.c with -fprofile-use)

PR target/65987
* config/sh/sh.c (output_far_jump, split_branches): Take into account
  sectiion crossing jumps.

From-SVN: r222783
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 116a6d64359..75a6d9ec5c0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-05-04  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+	PR target/65987
+	* config/sh/sh.c (output_far_jump): Take into account crossing jumps.
+	(split_branches): Likewise.
+
 2015-05-04  Sandra Loosemore  <sandra@codesourcery.com>
 
 	* common.opt (fdelete-null-pointer-checks): Init to -1.
diff --git a/gcc/config/sh/sh.c b/gcc/config/sh/sh.c
index 1cf6ed0a9ca..a4c9c4c0ba2 100644
--- a/gcc/config/sh/sh.c
+++ b/gcc/config/sh/sh.c
@@ -2747,7 +2747,8 @@ output_far_jump (rtx_insn *insn, rtx op)
 
   if (TARGET_SH2
       && offset >= -32764
-      && offset - get_attr_length (insn) <= 32766)
+      && offset - get_attr_length (insn) <= 32766
+      && ! CROSSING_JUMP_P (insn))
     {
       far = 0;
       jump =   "mov.w	%O0,%1" "\n"
@@ -6753,6 +6754,13 @@ split_branches (rtx_insn *first)
 
 	    if (type == TYPE_JUMP)
 	      {
+		if (CROSSING_JUMP_P (insn))
+		  {
+		    emit_insn_before (gen_block_branch_redirect (const0_rtx),
+				      insn);
+		    continue;
+		  }
+
 		far_label = as_a <rtx_insn *> (
 			      XEXP (SET_SRC (PATTERN (insn)), 0));
 		dest_uid = get_dest_uid (far_label, max_uid);