From: Jeffrey A Law <law@cygnus.com>
Date: Sat, 30 Jan 1999 18:18:16 +0000 (+0000)
Subject: * combine.c (distribute_notes): Handle REG_EH_REGION notes.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4b7c585f36a214eb603eba70d5fdf89ffad90c5d;p=gcc.git

* combine.c (distribute_notes): Handle REG_EH_REGION notes.

From-SVN: r24927
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b792d8dd398..029e3ebe023 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,7 @@
 Sat Jan 30 08:27:23 1999  Jeffrey A Law  (law@cygnus.com)
 
+	* combine.c (distribute_notes): Handle REG_EH_REGION notes.
+
 	* alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
 	function definition.
 	(aliases_everything_p, write_dependence_p):Likewise.
diff --git a/gcc/combine.c b/gcc/combine.c
index 5fc5231638b..0451707a22d 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -11431,6 +11431,17 @@ distribute_notes (notes, from_insn, i3, i2, elim_i2, elim_i1)
 	  place = i3;
 	  break;
 
+	case REG_EH_REGION:
+	  /* This note must remain with the call.  It should not be possible
+	     for both I2 and I3 to be a call.  */
+	  if (GET_CODE (i3) == CALL_INSN) 
+	    place = i3;
+	  else if (i2 && GET_CODE (i2) == CALL_INSN)
+	    place = i2;
+	  else
+	    abort ();
+	  break;
+
 	case REG_UNUSED:
 	  /* Any clobbers for i3 may still exist, and so we must process
 	     REG_UNUSED notes from that insn.