PR c/448

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

diff --git a/gcc/config/spu/spu.h b/gcc/config/spu/spu.h
index 4180c4e..50e09c9 100644 (file)
--- a/gcc/config/spu/spu.h
+++ b/gcc/config/spu/spu.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
 
    This file is free software; you can redistribute it and/or modify it under
    the terms of the GNU General Public License as published by the Free
@@ -50,7 +50,8 @@ extern GTY(()) int spu_tune;
 
 /* Default target_flags if no switches specified.  */
 #ifndef TARGET_DEFAULT
-#define TARGET_DEFAULT (MASK_ERROR_RELOC | MASK_SAFE_DMA | MASK_BRANCH_HINTS)
+#define TARGET_DEFAULT (MASK_ERROR_RELOC | MASK_SAFE_DMA | MASK_BRANCH_HINTS \
+                       | MASK_SAFE_HINTS)
 #endif
 
 \f
@@ -124,34 +125,6 @@ extern GTY(()) int spu_tune;
 
 #define STACK_SIZE_MODE SImode
 
-/* #define TARGET_FLOAT_FORMAT         SPU_FLOAT_FORMAT */
-
-#ifndef MODE_HAS_NANS
-#define MODE_HAS_NANS(MODE)                                     \
-  (FLOAT_MODE_P (MODE)                                                 \
-   && MODE != SFmode                                           \
-   && !LARGEST_EXPONENT_IS_NORMAL (GET_MODE_BITSIZE (MODE)))
-#endif
-                                                                              
-#ifndef MODE_HAS_INFINITIES
-#define MODE_HAS_INFINITIES(MODE)                               \
-  (FLOAT_MODE_P (MODE)                                                 \
-   && MODE != SFmode                                            \
-   && !LARGEST_EXPONENT_IS_NORMAL (GET_MODE_BITSIZE (MODE)))
-#endif
-                                                                              
-#ifndef MODE_HAS_SIGN_DEPENDENT_ROUNDING
-#define MODE_HAS_SIGN_DEPENDENT_ROUNDING(MODE)                  \
-  (FLOAT_MODE_P (MODE)                                          \
-    && MODE != SFmode                                           \
-   && !ROUND_TOWARDS_ZERO)
-#endif
-
-#define ROUND_TOWARDS_ZERO 1
-
-/* This is certainly true.  Should it be defined?  (It wasn't before.) */
-/* #define LARGEST_EXPONENT_IS_NORMAL(size) (size != 32) */
-
 \f
 /* Type Layout */
 
@@ -169,6 +142,8 @@ extern GTY(()) int spu_tune;
 
 #define DEFAULT_SIGNED_CHAR 0
 
+#define STDINT_LONG32 0
+
 \f
 /* Register Basics */
 
@@ -224,6 +199,9 @@ enum reg_class {
    LIM_REG_CLASSES 
 };
 
+/* SPU is simple, it really only has one class of registers.  */
+#define IRA_COVER_CLASSES { GENERAL_REGS, LIM_REG_CLASSES }
+
 #define N_REG_CLASSES (int) LIM_REG_CLASSES
 
 #define REG_CLASS_NAMES \
@@ -275,6 +253,8 @@ targetm.resolve_overloaded_builtin = spu_resolve_overloaded_builtin;        \
 
 #define STACK_GROWS_DOWNWARD
 
+#define FRAME_GROWS_DOWNWARD 1
+
 #define STARTING_FRAME_OFFSET (0)
 
 #define STACK_POINTER_OFFSET 32
@@ -290,6 +270,8 @@ targetm.resolve_overloaded_builtin = spu_resolve_overloaded_builtin;        \
 
 #define INCOMING_RETURN_ADDR_RTX gen_rtx_REG(Pmode, LINK_REGISTER_REGNUM)
 
+#define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGNUM (LINK_REGISTER_REGNUM)
+
 #define ARG_POINTER_CFA_OFFSET(FNDECL) (-STACK_POINTER_OFFSET)
 
 \f
@@ -334,8 +316,6 @@ targetm.resolve_overloaded_builtin = spu_resolve_overloaded_builtin;        \
 
 #define FRAME_POINTER_REQUIRED 0
 
-#define INITIAL_FRAME_POINTER_OFFSET(DEPTH) ((DEPTH) = 0)
-
 #define ELIMINABLE_REGS  \
   {{ARG_POINTER_REGNUM,         STACK_POINTER_REGNUM},                         \
   {ARG_POINTER_REGNUM,  HARD_FRAME_POINTER_REGNUM},                    \
@@ -376,6 +356,14 @@ targetm.resolve_overloaded_builtin = spu_resolve_overloaded_builtin;       \
          : (MODE) == VOIDmode ? 1 \
         : HARD_REGNO_NREGS(CUM,MODE))
 
+
+/* The SPU ABI wants 32/64-bit types at offset 0 in the quad-word on the
+   stack.  8/16-bit types should be at offsets 3/2 respectively.  */
+#define FUNCTION_ARG_OFFSET(MODE, TYPE)                                        \
+(((TYPE) && INTEGRAL_TYPE_P (TYPE) && GET_MODE_SIZE (MODE) < 4)                \
+ ? (4 - GET_MODE_SIZE (MODE))                                          \
+ : 0)
+
 #define FUNCTION_ARG_PADDING(MODE,TYPE) upward
 
 #define PAD_VARARGS_DOWN 0
@@ -457,11 +445,11 @@ targetm.resolve_overloaded_builtin = spu_resolve_overloaded_builtin;      \
 \f
 /* Costs */
 
-#define BRANCH_COST spu_branch_cost
+#define BRANCH_COST(speed_p, predictable_p) spu_branch_cost
 
 #define SLOW_BYTE_ACCESS 0
 
-#define MOVE_RATIO 32
+#define MOVE_RATIO(speed) 32
 
 #define NO_FUNCTION_CSE
 
@@ -595,6 +583,11 @@ targetm.resolve_overloaded_builtin = spu_resolve_overloaded_builtin;       \
 #undef TARG_VEC_STORE_COST
 #define TARG_VEC_STORE_COST          1
 
+/* Cost of vector permutation.  */
+#ifndef TARG_VEC_PERMUTE_COST
+#define TARG_VEC_PERMUTE_COST        1 
+#endif
+
 \f
 /* Misc */