* config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS,

[pf3gnuchains/gcc-fork.git] / gcc / config / bfin / bfin.h

diff --git a/gcc/config/bfin/bfin.h b/gcc/config/bfin/bfin.h
index b78d39d..1d8e8da 100644 (file)
--- a/gcc/config/bfin/bfin.h
+++ b/gcc/config/bfin/bfin.h
@@ -76,6 +76,8 @@ extern int target_flags;
        builtin_define ("__BFIN_FDPIC__");      \
       if (TARGET_ID_SHARED_LIBRARY)            \
        builtin_define ("__ID_SHARED_LIB__");   \
+      if (flag_no_builtin)                     \
+       builtin_define ("__NO_BUILTIN");        \
     }                                           \
   while (0)
 #endif
@@ -462,6 +464,7 @@ enum reg_class
   D6REGS,
   D7REGS,
   DREGS,
+  P0REGS,
   FDPIC_REGS,
   FDPIC_FPTR_REGS,
   PREGS_CLOBBERED,
@@ -506,6 +509,7 @@ enum reg_class
    "D6REGS",           \
    "D7REGS",           \
    "DREGS",            \
+   "P0REGS",           \
    "FDPIC_REGS",       \
    "FDPIC_FPTR_REGS",  \
    "PREGS_CLOBBERED",  \
@@ -558,6 +562,7 @@ enum reg_class
     { 0x00000040,    0 },              /* D6REGS */   \
     { 0x00000080,    0 },              /* D7REGS */   \
     { 0x000000ff,    0 },              /* DREGS */   \
+    { 0x00000100,    0x000 },          /* P0REGS */   \
     { 0x00000800,    0x000 },          /* FDPIC_REGS */   \
     { 0x00000200,    0x000 },          /* FDPIC_FPTR_REGS */   \
     { 0x00004700,    0x800 },          /* PREGS_CLOBBERED */   \
@@ -634,6 +639,7 @@ enum reg_class
        : (STR)[1] == '5' ? D5REGS \
        : (STR)[1] == '6' ? D6REGS \
        : (STR)[1] == '7' ? D7REGS \
+       : (STR)[1] == 'A' ? P0REGS \
        : NO_REGS) : \
    NO_REGS)
 
@@ -651,6 +657,7 @@ enum reg_class
  : (REGNO) == REG_R5 ? D5REGS                          \
  : (REGNO) == REG_R6 ? D6REGS                          \
  : (REGNO) == REG_R7 ? D7REGS                          \
+ : (REGNO) == REG_P0 ? P0REGS                          \
  : (REGNO) < REG_I0 ? PREGS                            \
  : (REGNO) == REG_ARGP ? PREGS                         \
  : (REGNO) >= REG_I0 && (REGNO) <= REG_I3 ? IREGS      \
@@ -673,6 +680,7 @@ enum reg_class
 #define CLASS_LIKELY_SPILLED_P(CLASS) \
     ((CLASS) == PREGS_CLOBBERED \
      || (CLASS) == PROLOGUE_REGS \
+     || (CLASS) == P0REGS \
      || (CLASS) == D0REGS \
      || (CLASS) == D1REGS \
      || (CLASS) == D2REGS \
@@ -719,7 +727,10 @@ enum reg_class
    class to use when it is necessary to copy value X into a register
    in class CLASS.  The value is a register class; perhaps CLASS, or
    perhaps another, smaller class.  */
-#define PREFERRED_RELOAD_CLASS(X, CLASS) (CLASS)
+#define PREFERRED_RELOAD_CLASS(X, CLASS)               \
+  (GET_CODE (X) == POST_INC                            \
+   || GET_CODE (X) == POST_DEC                         \
+   || GET_CODE (X) == PRE_DEC ? PREGS : (CLASS))
 
 /* Function Calling Conventions. */