partial fix, make all 'e' class regs fixed PR rtl-optimization/43520

partial fix, make all 'e' class regs fixed
PR rtl-optimization/43520
* config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
ar.lc fixed and call-used.

From-SVN: r158539

gcc/ChangeLog

 2010-04-19  James E. Wilson  <wilson@codesourcery.com>
 
+	PR rtl-optimization/43520
+	* config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
+	ar.lc fixed and call-used.
+
 	* config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
 
 2010-04-19  Jan Hubicka  <jh@suse.cz>

gcc/config/ia64/ia64.h

@@ -416,7 +416,7 @@ while (0)
   /* Branch registers.  */				\
   0, 0, 0, 0, 0, 0, 0, 0,				\
   /*FP CCV UNAT PFS LC EC */				\
-     1,  1,   1,  1, 0, 1				\
+     1,  1,   1,  1, 1, 1				\
  }
 
 /* Like `FIXED_REGISTERS' but has 1 for each register that is clobbered
@@ -451,7 +451,7 @@ while (0)
   /* Branch registers.  */				\
   1, 0, 0, 0, 0, 0, 1, 1,				\
   /*FP CCV UNAT PFS LC EC */				\
-     1,  1,   1,  1, 0, 1				\
+     1,  1,   1,  1, 1, 1				\
 }
 
 /* Like `CALL_USED_REGISTERS' but used to overcome a historical