* defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
* calls.c (compute_argument_block_size, expand_call,
emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
* expr.c (block_move_libcall_safe_for_call_parm): Likewise.
* function.c (STACK_DYNAMIC_OFFSET): Likewise.
* doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
* config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
Set to 1.
Co-Authored-By: Richard Henderson <rth@redhat.com>
From-SVN: r123135
+2007-03-22 Kai Tietz <kai.tietz@onevision.com>
+ Richard Henderson <rth@redhat.com>
+
+ * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
+ * calls.c (compute_argument_block_size, expand_call,
+ emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
+ * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
+ * function.c (STACK_DYNAMIC_OFFSET): Likewise.
+ * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
+ * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
+ config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
+ config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
+ config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
+ Set to 1.
+
2007-03-22 Joseph Myers <joseph@codesourcery.com>
* c-incpath.c (add_sysroot_to_chain): New.
= size_binop (MAX_EXPR, args_size->var,
ssize_int (reg_parm_stack_space));
-#ifndef OUTGOING_REG_PARM_STACK_SPACE
/* The area corresponding to register parameters is not to count in
the size of the block we need. So make the adjustment. */
- args_size->var
- = size_binop (MINUS_EXPR, args_size->var,
- ssize_int (reg_parm_stack_space));
-#endif
+ if (!OUTGOING_REG_PARM_STACK_SPACE)
+ args_size->var
+ = size_binop (MINUS_EXPR, args_size->var,
+ ssize_int (reg_parm_stack_space));
}
}
else
args_size->constant = MAX (args_size->constant,
reg_parm_stack_space);
-#ifndef OUTGOING_REG_PARM_STACK_SPACE
- args_size->constant -= reg_parm_stack_space;
-#endif
+ if (!OUTGOING_REG_PARM_STACK_SPACE)
+ args_size->constant -= reg_parm_stack_space;
}
return unadjusted_args_size;
}
reg_parm_stack_space = REG_PARM_STACK_SPACE (fndecl);
#endif
-#ifndef OUTGOING_REG_PARM_STACK_SPACE
- if (reg_parm_stack_space > 0 && PUSH_ARGS)
+ if (!OUTGOING_REG_PARM_STACK_SPACE && reg_parm_stack_space > 0 && PUSH_ARGS)
must_preallocate = 1;
-#endif
/* Set up a place to return a structure. */
Another approach might be to try to reorder the argument
evaluations to avoid this conflicting stack usage. */
-#ifndef OUTGOING_REG_PARM_STACK_SPACE
/* Since we will be writing into the entire argument area,
the map must be allocated for its entire size, not just
the part that is the responsibility of the caller. */
- needed += reg_parm_stack_space;
-#endif
+ if (!OUTGOING_REG_PARM_STACK_SPACE)
+ needed += reg_parm_stack_space;
#ifdef ARGS_GROW_DOWNWARD
highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use,
an argument. */
if (stack_arg_under_construction)
{
-#ifndef OUTGOING_REG_PARM_STACK_SPACE
- rtx push_size = GEN_INT (reg_parm_stack_space
- + adjusted_args_size.constant);
-#else
- rtx push_size = GEN_INT (adjusted_args_size.constant);
-#endif
+ rtx push_size
+ = GEN_INT (adjusted_args_size.constant
+ + (OUTGOING_REG_PARM_STACK_SPACE ? 0
+ : reg_parm_stack_space));
if (old_stack_level == 0)
{
emit_stack_save (SAVE_BLOCK, &old_stack_level,
/* If register arguments require space on the stack and stack space
was not preallocated, allocate stack space here for arguments
passed in registers. */
-#ifdef OUTGOING_REG_PARM_STACK_SPACE
- if (!ACCUMULATE_OUTGOING_ARGS
+ if (OUTGOING_REG_PARM_STACK_SPACE && !ACCUMULATE_OUTGOING_ARGS
&& must_preallocate == 0 && reg_parm_stack_space > 0)
anti_adjust_stack (GEN_INT (reg_parm_stack_space));
-#endif
/* Pass the function the address in which to return a
structure value. */
args_size.constant = MAX (args_size.constant,
reg_parm_stack_space);
-#ifndef OUTGOING_REG_PARM_STACK_SPACE
- args_size.constant -= reg_parm_stack_space;
-#endif
+ if (!OUTGOING_REG_PARM_STACK_SPACE)
+ args_size.constant -= reg_parm_stack_space;
if (args_size.constant > current_function_outgoing_args_size)
current_function_outgoing_args_size = args_size.constant;
needed = args_size.constant;
-#ifndef OUTGOING_REG_PARM_STACK_SPACE
/* Since we will be writing into the entire argument area, the
map must be allocated for its entire size, not just the part that
is the responsibility of the caller. */
- needed += reg_parm_stack_space;
-#endif
+ if (!OUTGOING_REG_PARM_STACK_SPACE)
+ needed += reg_parm_stack_space;
#ifdef ARGS_GROW_DOWNWARD
highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use,
in registers) are allocated. */
#define REG_PARM_STACK_SPACE(DECL) 48
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 1
/* If an argument can't be passed in registers even though not all argument
registers have been used yet, it is passed on the stack in the space
/* Define this if the above stack space is to be considered part of the
* space allocated by the caller. */
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 1
/* Define this if the maximum size of all the outgoing args is to be
accumulated and pushed during the prologue. The amount can be
#define REG_PARM_STACK_SPACE(FNDECL) 0
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 1
#define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) 0
If `ACCUMULATE_OUTGOING_ARGS' is also defined, the only effect
of this macro is to determine whether the space is included in
`current_function_outgoing_args_size'. */
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 1
#define STACK_BOUNDARY (TARGET_NEWABI ? 128 : 64)
\f
/* We use d0/d1 for passing parameters, so allocate 8 bytes of space
for a register flushback area. */
#define REG_PARM_STACK_SPACE(DECL) 8
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 1
#define ACCUMULATE_OUTGOING_ARGS 1
/* So we can allocate space for return pointers once for the function
/* Define this if it is the responsibility of the caller to
allocate the area reserved for arguments passed in registers. */
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 1
/* The number of register assigned to holding function arguments. */
#define MT_NUM_ARG_REGS 4
/* Define this if the above stack space is to be considered part of the
space allocated by the caller. */
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 1
/* Keep the stack pointer constant throughout the function.
This is both an optimization and a necessity: longjmp
/* Define this if the above stack space is to be considered part of the
space allocated by the caller. */
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 1
/* This is the difference between the logical top of stack and the actual sp.
If `ACCUMULATE_OUTGOING_ARGS' is also defined, the only effect
of this macro is to determine whether the space is included in
`current_function_outgoing_args_size'. */
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 1
#define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, STACK_SIZE) 0
#define REG_PARM_STACK_SPACE(FNDECL) 0
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 1
#define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) (0)
/* Define this if the above stack space is to be considered part of the
space allocated by the caller. */
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 1
/* 1 if N is a possible register number for function argument passing. */
#define HARD_REGNO_NREGS_WITH_PADDING(REGNO, MODE) -1
#endif
+#ifndef OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE 0
+#endif
+
#endif /* ! GCC_DEFAULTS_H */
@c something, not sure if it looks good. --mew 10feb93
@defmac OUTGOING_REG_PARM_STACK_SPACE
-Define this if it is the responsibility of the caller to allocate the area
-reserved for arguments passed in registers.
+Define this to a non-zero value if it is the responsibility of the caller
+to allocate the area reserved for arguments passed in registers.
If @code{ACCUMULATE_OUTGOING_ARGS} is defined, this macro controls
whether the space for these arguments counts in the value of
/* If registers go on the stack anyway, any argument is sure to clobber
an outgoing argument. */
-#if defined (REG_PARM_STACK_SPACE) && defined (OUTGOING_REG_PARM_STACK_SPACE)
- {
- tree fn = emit_block_move_libcall_fn (false);
- (void) fn;
- if (REG_PARM_STACK_SPACE (fn) != 0)
- return false;
- }
+#if defined (REG_PARM_STACK_SPACE)
+ if (OUTGOING_REG_PARM_STACK_SPACE)
+ {
+ tree fn;
+ fn = emit_block_move_libcall_fn (false);
+ if (REG_PARM_STACK_SPACE (fn) != 0)
+ return false;
+ }
#endif
/* If any argument goes in memory, then it might clobber an outgoing
`current_function_outgoing_args_size'. Nevertheless, we must allow
for it when allocating stack dynamic objects. */
-#if defined(REG_PARM_STACK_SPACE) && ! defined(OUTGOING_REG_PARM_STACK_SPACE)
+#if defined(REG_PARM_STACK_SPACE)
#define STACK_DYNAMIC_OFFSET(FNDECL) \
((ACCUMULATE_OUTGOING_ARGS \
- ? (current_function_outgoing_args_size + REG_PARM_STACK_SPACE (FNDECL)) : 0)\
- + (STACK_POINTER_OFFSET)) \
-
+ ? (current_function_outgoing_args_size \
+ + (OUTGOING_REG_PARM_STACK_SPACE ? 0 : REG_PARM_STACK_SPACE (FNDECL))) \
+ : 0) + (STACK_POINTER_OFFSET))
#else
#define STACK_DYNAMIC_OFFSET(FNDECL) \
((ACCUMULATE_OUTGOING_ARGS ? current_function_outgoing_args_size : 0) \