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

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0aa5d30009d23052757c608ebc7ecf1200874f02..9f87c745ec5ba57961846be85c03553ecf1013f2 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+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.

diff --git a/gcc/config/epiphany/epiphany.h b/gcc/config/epiphany/epiphany.h
index 8c3b1aec21ddf76068e3fb9c6ed9fc74593c7409..609030cfbe088cb7d001cc2e5fad8ff299ff716d 100644 (file)
--- a/gcc/config/epiphany/epiphany.h
+++ b/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 \