From: Richard Henderson <rth@redhat.com>
Date: Thu, 26 Jun 2003 20:46:47 +0000 (-0700)
Subject: emit-rtl.c (try_split): Append to new CALL_INSN_FUNCTION_USAGE instead of replacing it.
X-Git-Tag: releases/gcc-3.4.0~5440
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f6a1f3f6caf8c89ce689b2cc3882edddfee9ea3a;p=thirdparty%2Fgcc.git

emit-rtl.c (try_split): Append to new CALL_INSN_FUNCTION_USAGE instead of replacing it.

        * emit-rtl.c (try_split): Append to new CALL_INSN_FUNCTION_USAGE
        instead of replacing it.

From-SVN: r68547
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 31b981517112..8c89ca038422 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-06-26  Richard Henderson  <rth@redhat.com>
+	
+	* emit-rtl.c (try_split): Append to new CALL_INSN_FUNCTION_USAGE
+	instead of replacing it.
+	
 2003-06-26  Richard Henderson  <rth@redhat.com>
 
 	* flow.c (propagate_one_insn): Kill function return value 
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 3f444a92e02e..908b12db8ca1 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -3510,8 +3510,10 @@ try_split (pat, trial, last)
       for (insn = insn_last; insn ; insn = PREV_INSN (insn))
 	if (GET_CODE (insn) == CALL_INSN)
 	  {
-	    CALL_INSN_FUNCTION_USAGE (insn)
-	      = CALL_INSN_FUNCTION_USAGE (trial);
+	    rtx *p = &CALL_INSN_FUNCTION_USAGE (insn);
+	    while (*p)
+	      p = &XEXP (*p, 1);
+	    *p = CALL_INSN_FUNCTION_USAGE (trial);
 	    SIBLING_CALL_P (insn) = SIBLING_CALL_P (trial);
 	  }
     }