From: Alexandre Oliva <aoliva@redhat.com>
Date: Fri, 3 Jun 2011 01:42:31 +0000 (+0000)
Subject: params.def (PARAM_MAX_VARTRACK_EXPR_DEPTH): Bump default to 10.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=d5b6cc25028a79e054909ade4090eb90e9272f5f;p=gcc.git

params.def (PARAM_MAX_VARTRACK_EXPR_DEPTH): Bump default to 10.

* params.def (PARAM_MAX_VARTRACK_EXPR_DEPTH): Bump default to 10.
* var-tracking.c (reverse_op): Limite recurse depth to 5.

From-SVN: r174596
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index ad6842d79ed..9ad2d406b8a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2011-06-02  Alexandre Oliva  <aoliva@redhat.com>
+
+	* params.def (PARAM_MAX_VARTRACK_EXPR_DEPTH): Bump default to 10.
+	* var-tracking.c (reverse_op): Limite recurse depth to 5.
+
 2011-06-02  Alexandre Oliva  <aoliva@redhat.com>
 
 	PR debug/47590
diff --git a/gcc/params.def b/gcc/params.def
index 2ed0acac36c..a3e9831badd 100644
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -845,7 +845,7 @@ DEFPARAM (PARAM_MAX_VARTRACK_SIZE,
 DEFPARAM (PARAM_MAX_VARTRACK_EXPR_DEPTH,
 	  "max-vartrack-expr-depth",
 	  "Max. recursion depth for expanding var tracking expressions",
-	  10, 0, 0)
+	  20, 0, 0)
 
 /* Set minimum insn uid for non-debug insns.  */
 
diff --git a/gcc/var-tracking.c b/gcc/var-tracking.c
index d9732a611d8..0ddc8d7619e 100644
--- a/gcc/var-tracking.c
+++ b/gcc/var-tracking.c
@@ -5290,7 +5290,7 @@ reverse_op (rtx val, const_rtx expr)
       arg = XEXP (src, 1);
       if (!CONST_INT_P (arg) && GET_CODE (arg) != SYMBOL_REF)
 	{
-	  arg = cselib_expand_value_rtx (arg, scratch_regs, EXPR_DEPTH);
+	  arg = cselib_expand_value_rtx (arg, scratch_regs, 5);
 	  if (arg == NULL_RTX)
 	    return NULL_RTX;
 	  if (!CONST_INT_P (arg) && GET_CODE (arg) != SYMBOL_REF)