Gcc 3.1.0 pre-release from the FSF anoncvs repo on 9-May-2002 15:57:15 EDT.

1 files changed, 15 insertions, 8 deletions

diff --git a/contrib/gcc/config/arm/arm.h b/contrib/gcc/config/arm/arm.h
index 46f938e..5e8b5d9 100644
--- a/contrib/gcc/config/arm/arm.h
+++ b/contrib/gcc/config/arm/arm.h
@@ -81,8 +81,6 @@ extern struct rtx_def * pool_vector_label;
 /* Set to 1 when a return insn is output, this means that the epilogue
    is not needed. */
 extern int return_used_this_function;
-/* Nonzero if the prologue must setup `fp'.  */
-extern int current_function_anonymous_args;
 
 /* Just in case configure has failed to define anything. */
 #ifndef TARGET_CPU_DEFAULT
@@ -855,7 +853,7 @@ extern const char * structure_size_string;
 	   regno <= LAST_ARM_FP_REGNUM; ++regno)		\
 	fixed_regs[regno] = call_used_regs[regno] = 1;		\
     }								\
-  if (flag_pic)							\
+  if (PIC_OFFSET_TABLE_REGNUM != INVALID_REGNUM)		\
     {								\
       fixed_regs[PIC_OFFSET_TABLE_REGNUM] = 1;			\
       call_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1;		\
@@ -1029,6 +1027,13 @@ extern const char * structure_size_string;
     16, 17, 18, 19, 20, 21, 22, 23, \
     24, 25, 26			    \
 }
+
+/* Interrupt functions can only use registers that have already been
+   saved by the prologue, even if they would normally be
+   call-clobbered.  */
+#define HARD_REGNO_RENAME_OK(SRC, DST)					\
+	(! IS_INTERRUPT (cfun->machine->func_type) ||			\
+		regs_ever_live[DST])
 
 /* Register and constant classes.  */
 
@@ -1454,6 +1459,8 @@ typedef struct machine_function
   int lr_save_eliminated;
   /* Records the type of the current function.  */
   unsigned long func_type;
+  /* Record if the function has a variable argument list.  */
+  int uses_anonymous_args;
 }
 machine_function;
 
@@ -1536,8 +1543,7 @@ typedef struct
    that way.  */
 #define SETUP_INCOMING_VARARGS(CUM, MODE, TYPE, PRETEND_SIZE, NO_RTL)	\
 {									\
-  extern int current_function_anonymous_args;				\
-  current_function_anonymous_args = 1;					\
+  cfun->machine->uses_anonymous_args = 1;				\
   if ((CUM).nregs < NUM_ARG_REGS)					\
     (PRETEND_SIZE) = (NUM_ARG_REGS - (CUM).nregs) * UNITS_PER_WORD;	\
 }
@@ -1844,7 +1850,8 @@ typedef struct
 #define THUMB_LEGITIMATE_CONSTANT_P(X)	\
  (   GET_CODE (X) == CONST_INT		\
   || GET_CODE (X) == CONST_DOUBLE	\
-  || CONSTANT_ADDRESS_P (X))
+  || CONSTANT_ADDRESS_P (X)		\
+  || flag_pic)
 
 #define LEGITIMATE_CONSTANT_P(X)	\
   (TARGET_ARM ? ARM_LEGITIMATE_CONSTANT_P (X) : THUMB_LEGITIMATE_CONSTANT_P (X))
@@ -1892,9 +1899,9 @@ typedef struct
    or known to be defined in this file then encode a short call flag.
    This macro is used inside the ENCODE_SECTION macro.  */
 #define ARM_ENCODE_CALL_TYPE(decl)					\
-  if (TREE_CODE (decl) == FUNCTION_DECL)				\
+  if (TREE_CODE_CLASS (TREE_CODE (decl)) == 'd')			\
     {									\
-      if (DECL_WEAK (decl))						\
+      if (TREE_CODE (decl) == FUNCTION_DECL && DECL_WEAK (decl))	\
         arm_encode_call_attribute (decl, LONG_CALL_FLAG_CHAR);		\
       else if (! TREE_PUBLIC (decl))        				\
         arm_encode_call_attribute (decl, SHORT_CALL_FLAG_CHAR);		\