epiphany.h (FIXED_REGISTERS, [...]): Make r40..r43 call-used.

        * config/epiphany/epiphany.h (FIXED_REGISTERS, CALL_USED_REGISTERS):
        Make r40..r43 call-used.
        (REG_ALLOC_ORDER): Sort r40..r43 into the call-used registers.

From-SVN: r193921

gcc/ChangeLog

+2012-11-29  Oleg Raikhman  <oleg@adapteva.com>
+
+	* config/epiphany/epiphany.h (FIXED_REGISTERS, CALL_USED_REGISTERS):
+	Make r40..r43 call-used.
+	(REG_ALLOC_ORDER): Sort r40..r43 into the call-used registers.
+
 2012-11-29  Joern Rennecke  <joern.rennecke@embecosm.com>
 
 	* config/epiphany/predicates.md (addsub_operator): New predicate.

gcc/config/epiphany/epiphany.h

@@ -241,7 +241,7 @@ along with GCC; see the file COPYING3.  If not see
 	0, 0, 0, 0, 0, 0, 0, 0,		/* 016-023, gr16 - gr23 */	\
 	0, 0, 0, 0, 1, 1, 1, 1,		/* 024-031, gr24 - gr31 */	\
 	0, 0, 0, 0, 0, 0, 0, 0,		/* 032-039, gr32 - gr39 */	\
-	1, 1, 1, 1, 0, 0, 0, 0,		/* 040-047, gr40 - gr47 */	\
+	0, 0, 0, 0, 0, 0, 0, 0,		/* 040-047, gr40 - gr47 */	\
 	0, 0, 0, 0, 0, 0, 0, 0,		/* 048-055, gr48 - gr55 */	\
 	0, 0, 0, 0, 0, 0, 0, 0,		/* 056-063, gr56 - gr63 */	\
 	/* Other registers */						\
@@ -270,7 +270,7 @@ along with GCC; see the file COPYING3.  If not see
 	1, 1, 1, 1, 1, 1, 1, 1,		/* 016-023, gr16 - gr23 */	\
 	1, 1, 1, 1, 1, 1, 1, 1,		/* 024-031, gr24 - gr31 */	\
 	0, 0, 0, 0, 0, 0, 0, 0,		/* 032-039, gr32 - gr38 */	\
-	1, 1, 1, 1, 1, 1, 1, 1,		/* 040-047, gr40 - gr47 */	\
+	0, 0, 0, 0, 1, 1, 1, 1,		/* 040-047, gr40 - gr47 */	\
 	1, 1, 1, 1, 1, 1, 1, 1,		/* 048-055, gr48 - gr55 */	\
 	1, 1, 1, 1, 1, 1, 1, 1,		/* 056-063, gr56 - gr63 */	\
 	1,				/* 64 AP   - fake arg ptr */	\
@@ -294,9 +294,8 @@ along with GCC; see the file COPYING3.  If not see
     4, 5, 6, 7, /* Calle-saved 'small' registers.  */ \
     15, /* Calle-saved unpaired register.  */ \
     8, 9, 10, 11, /* Calle-saved registers.  */ \
-    32, 33, 34, 35, 36, 37, 38, 39, \
+    32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, \
     14, 13, /* Link register, stack pointer.  */ \
-    40, 41, 42, 43, /* Usually constant, but might be made callee-saved.  */ \
     /* Can't allocate, but must name these... */ \
     28, 29, 30, 31, \
     64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77 \