PR rtl-optimization/39914

	* ira-conflicts.c (ira_build_conflicts): Prohibit call used
	registers for allocnos created from user-defined variables only
	when not optimizing.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@146904 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 72766c4..610bd1c 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR rtl-optimization/39914
+       * ira-conflicts.c (ira_build_conflicts): Prohibit call used
+       registers for allocnos created from user-defined variables only
+       when not optimizing.
+
 2009-04-28  Richard Guenther  <rguenther@suse.de>
 
        PR middle-end/39937
@@ -42,8 +49,7 @@
 
 2009-04-28  Richard Guenther  <rguenther@suse.de>
 
-       * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix
-       type error.
+       * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
 
 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
 
@@ -83,8 +89,7 @@
        (threadedge_finalize_values): Likewise.
        * tree-ssa-dom.c (ssa_name_values): New global variable.
        (SSA_NAME_VALUE): Define.
-       (tree_ssa_dominator_optimize): Initialize/free the value-handle
-       array.
+       (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
 
 2009-04-28  Ira Rosen  <irar@il.ibm.com>
 

diff --git a/gcc/ira-conflicts.c b/gcc/ira-conflicts.c
index 399a28a..29c77c9 100644 (file)
--- a/gcc/ira-conflicts.c
+++ b/gcc/ira-conflicts.c
@@ -806,7 +806,7 @@ ira_build_conflicts (void)
       if ((! flag_caller_saves && ALLOCNO_CALLS_CROSSED_NUM (a) != 0)
          /* For debugging purposes don't put user defined variables in
             callee-clobbered registers.  */
-         || (optimize <= 1
+         || (optimize == 0
              && (attrs = REG_ATTRS (regno_reg_rtx [ALLOCNO_REGNO (a)])) != NULL
              && (decl = attrs->decl) != NULL
              && VAR_OR_FUNCTION_DECL_P (decl)