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-rw-r--r--gcc/ChangeLog15
-rw-r--r--gcc/calls.c125
-rw-r--r--gcc/function.c145
-rw-r--r--gcc/targhooks.c5
4 files changed, 155 insertions, 135 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4ba2540..1ffe147 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,20 @@
2015-04-27 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
+ * calls.c (save_fixed_argument_area): Don't check
+ ARGS_GROW_DOWNWARD with the preprocessor.
+ (restore_fixed_argument_area): Likewise.
+ (mem_overlaps_already_clobbered_arg_p): Likewise.
+ (check_sibcall_argument_overlap): Likewise.
+ (expand_call): Likewise.
+ (emit_library_call_value_1): Likewise.
+ (store_one_arg): Likewise.
+ * function.c (assign_parms): Likewise.
+ (locate_and_pad_parm): Likewise.
+ (pad_to_arg_alignment): Likewise.
+ * targhooks.c (std_gimplify_va_arg_expr): Likewise.
+
+2015-04-27 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
+
* config/pa/pa.h (ARGS_GROW_DOWNWARD): Define to 1.
* defaults.h (ARGS_GROW_DOWNWARD): Define it to 0 by default.
* calls.c (save_fixed_argument_area): Don't chekc if
diff --git a/gcc/calls.c b/gcc/calls.c
index b17a9f2..caa7d60 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -948,9 +948,9 @@ save_fixed_argument_area (int reg_parm_stack_space, rtx argblock, int *low_to_sa
/* Compute the boundary of the area that needs to be saved, if any. */
high = reg_parm_stack_space;
-#if ARGS_GROW_DOWNWARD
- high += 1;
-#endif
+ if (ARGS_GROW_DOWNWARD)
+ high += 1;
+
if (high > highest_outgoing_arg_in_use)
high = highest_outgoing_arg_in_use;
@@ -979,11 +979,11 @@ save_fixed_argument_area (int reg_parm_stack_space, rtx argblock, int *low_to_sa
BIGGEST_ALIGNMENT / UNITS_PER_WORD) - 1)))
save_mode = BLKmode;
-#if ARGS_GROW_DOWNWARD
- delta = -high;
-#else
- delta = low;
-#endif
+ if (ARGS_GROW_DOWNWARD)
+ delta = -high;
+ else
+ delta = low;
+
addr = plus_constant (Pmode, argblock, delta);
stack_area = gen_rtx_MEM (save_mode, memory_address (save_mode, addr));
@@ -1013,11 +1013,11 @@ restore_fixed_argument_area (rtx save_area, rtx argblock, int high_to_save, int
int delta;
rtx addr, stack_area;
-#if ARGS_GROW_DOWNWARD
- delta = -high_to_save;
-#else
- delta = low_to_save;
-#endif
+ if (ARGS_GROW_DOWNWARD)
+ delta = -high_to_save;
+ else
+ delta = low_to_save;
+
addr = plus_constant (Pmode, argblock, delta);
stack_area = gen_rtx_MEM (save_mode, memory_address (save_mode, addr));
set_mem_align (stack_area, PARM_BOUNDARY);
@@ -1980,9 +1980,9 @@ mem_overlaps_already_clobbered_arg_p (rtx addr, unsigned HOST_WIDE_INT size)
i += crtl->args.pretend_args_size;
#endif
-#if ARGS_GROW_DOWNWARD
- i = -i - size;
-#endif
+ if (ARGS_GROW_DOWNWARD)
+ i = -i - size;
+
if (size > 0)
{
unsigned HOST_WIDE_INT k;
@@ -2286,11 +2286,10 @@ check_sibcall_argument_overlap (rtx_insn *insn, struct arg_data *arg,
if (mark_stored_args_map)
{
-#if ARGS_GROW_DOWNWARD
- low = -arg->locate.slot_offset.constant - arg->locate.size.constant;
-#else
- low = arg->locate.slot_offset.constant;
-#endif
+ if (ARGS_GROW_DOWNWARD)
+ low = -arg->locate.slot_offset.constant - arg->locate.size.constant;
+ else
+ low = arg->locate.slot_offset.constant;
for (high = low + arg->locate.size.constant; low < high; low++)
bitmap_set_bit (stored_args_map, low);
@@ -2979,13 +2978,13 @@ expand_call (tree exp, rtx target, int ignore)
if (! OUTGOING_REG_PARM_STACK_SPACE ((!fndecl ? fntype : TREE_TYPE (fndecl))))
needed += reg_parm_stack_space;
-#if ARGS_GROW_DOWNWARD
- highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use,
- needed + 1);
-#else
- highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use,
- needed);
-#endif
+ if (ARGS_GROW_DOWNWARD)
+ highest_outgoing_arg_in_use
+ = MAX (initial_highest_arg_in_use, needed + 1);
+ else
+ highest_outgoing_arg_in_use
+ = MAX (initial_highest_arg_in_use, needed);
+
free (stack_usage_map_buf);
stack_usage_map_buf = XNEWVEC (char, highest_outgoing_arg_in_use);
stack_usage_map = stack_usage_map_buf;
@@ -3047,9 +3046,8 @@ expand_call (tree exp, rtx target, int ignore)
else
{
argblock = push_block (GEN_INT (needed), 0, 0);
-#if ARGS_GROW_DOWNWARD
- argblock = plus_constant (Pmode, argblock, needed);
-#endif
+ if (ARGS_GROW_DOWNWARD)
+ argblock = plus_constant (Pmode, argblock, needed);
}
/* We only really need to call `copy_to_reg' in the case
@@ -4122,13 +4120,12 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value,
if (! OUTGOING_REG_PARM_STACK_SPACE ((!fndecl ? fntype : TREE_TYPE (fndecl))))
needed += reg_parm_stack_space;
-#if ARGS_GROW_DOWNWARD
- highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use,
- needed + 1);
-#else
- highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use,
- needed);
-#endif
+ if (ARGS_GROW_DOWNWARD)
+ highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use,
+ needed + 1);
+ else
+ highest_outgoing_arg_in_use = MAX (initial_highest_arg_in_use, needed);
+
stack_usage_map_buf = XNEWVEC (char, highest_outgoing_arg_in_use);
stack_usage_map = stack_usage_map_buf;
@@ -4213,15 +4210,18 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value,
/* If this is being stored into a pre-allocated, fixed-size,
stack area, save any previous data at that location. */
-#if ARGS_GROW_DOWNWARD
- /* stack_slot is negative, but we want to index stack_usage_map
- with positive values. */
- upper_bound = -argvec[argnum].locate.slot_offset.constant + 1;
- lower_bound = upper_bound - argvec[argnum].locate.size.constant;
-#else
- lower_bound = argvec[argnum].locate.slot_offset.constant;
- upper_bound = lower_bound + argvec[argnum].locate.size.constant;
-#endif
+ if (ARGS_GROW_DOWNWARD)
+ {
+ /* stack_slot is negative, but we want to index stack_usage_map
+ with positive values. */
+ upper_bound = -argvec[argnum].locate.slot_offset.constant + 1;
+ lower_bound = upper_bound - argvec[argnum].locate.size.constant;
+ }
+ else
+ {
+ lower_bound = argvec[argnum].locate.slot_offset.constant;
+ upper_bound = lower_bound + argvec[argnum].locate.size.constant;
+ }
i = lower_bound;
/* Don't worry about things in the fixed argument area;
@@ -4702,23 +4702,26 @@ store_one_arg (struct arg_data *arg, rtx argblock, int flags,
save any previous data at that location. */
if (argblock && ! variable_size && arg->stack)
{
-#if ARGS_GROW_DOWNWARD
- /* stack_slot is negative, but we want to index stack_usage_map
- with positive values. */
- if (GET_CODE (XEXP (arg->stack_slot, 0)) == PLUS)
- upper_bound = -INTVAL (XEXP (XEXP (arg->stack_slot, 0), 1)) + 1;
- else
- upper_bound = 0;
+ if (ARGS_GROW_DOWNWARD)
+ {
+ /* stack_slot is negative, but we want to index stack_usage_map
+ with positive values. */
+ if (GET_CODE (XEXP (arg->stack_slot, 0)) == PLUS)
+ upper_bound = -INTVAL (XEXP (XEXP (arg->stack_slot, 0), 1)) + 1;
+ else
+ upper_bound = 0;
- lower_bound = upper_bound - arg->locate.size.constant;
-#else
- if (GET_CODE (XEXP (arg->stack_slot, 0)) == PLUS)
- lower_bound = INTVAL (XEXP (XEXP (arg->stack_slot, 0), 1));
+ lower_bound = upper_bound - arg->locate.size.constant;
+ }
else
- lower_bound = 0;
+ {
+ if (GET_CODE (XEXP (arg->stack_slot, 0)) == PLUS)
+ lower_bound = INTVAL (XEXP (XEXP (arg->stack_slot, 0), 1));
+ else
+ lower_bound = 0;
- upper_bound = lower_bound + arg->locate.size.constant;
-#endif
+ upper_bound = lower_bound + arg->locate.size.constant;
+ }
i = lower_bound;
/* Don't worry about things in the fixed argument area;
diff --git a/gcc/function.c b/gcc/function.c
index 48e6c69..d1a2c0a 100644
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -3771,15 +3771,16 @@ assign_parms (tree fndecl)
crtl->args.size = CEIL_ROUND (crtl->args.size,
PARM_BOUNDARY / BITS_PER_UNIT);
-#if ARGS_GROW_DOWNWARD
- crtl->args.arg_offset_rtx
- = (all.stack_args_size.var == 0 ? GEN_INT (-all.stack_args_size.constant)
- : expand_expr (size_diffop (all.stack_args_size.var,
- size_int (-all.stack_args_size.constant)),
- NULL_RTX, VOIDmode, EXPAND_NORMAL));
-#else
- crtl->args.arg_offset_rtx = ARGS_SIZE_RTX (all.stack_args_size);
-#endif
+ if (ARGS_GROW_DOWNWARD)
+ {
+ crtl->args.arg_offset_rtx
+ = (all.stack_args_size.var == 0 ? GEN_INT (-all.stack_args_size.constant)
+ : expand_expr (size_diffop (all.stack_args_size.var,
+ size_int (-all.stack_args_size.constant)),
+ NULL_RTX, VOIDmode, EXPAND_NORMAL));
+ }
+ else
+ crtl->args.arg_offset_rtx = ARGS_SIZE_RTX (all.stack_args_size);
/* See how many bytes, if any, of its args a function should try to pop
on return. */
@@ -4070,68 +4071,71 @@ locate_and_pad_parm (machine_mode passed_mode, tree type, int in_regs,
if (crtl->preferred_stack_boundary < boundary)
crtl->preferred_stack_boundary = boundary;
-#if ARGS_GROW_DOWNWARD
- locate->slot_offset.constant = -initial_offset_ptr->constant;
- if (initial_offset_ptr->var)
- locate->slot_offset.var = size_binop (MINUS_EXPR, ssize_int (0),
- initial_offset_ptr->var);
+ if (ARGS_GROW_DOWNWARD)
+ {
+ locate->slot_offset.constant = -initial_offset_ptr->constant;
+ if (initial_offset_ptr->var)
+ locate->slot_offset.var = size_binop (MINUS_EXPR, ssize_int (0),
+ initial_offset_ptr->var);
- {
- tree s2 = sizetree;
- if (where_pad != none
- && (!tree_fits_uhwi_p (sizetree)
- || (tree_to_uhwi (sizetree) * BITS_PER_UNIT) % round_boundary))
- s2 = round_up (s2, round_boundary / BITS_PER_UNIT);
- SUB_PARM_SIZE (locate->slot_offset, s2);
- }
+ {
+ tree s2 = sizetree;
+ if (where_pad != none
+ && (!tree_fits_uhwi_p (sizetree)
+ || (tree_to_uhwi (sizetree) * BITS_PER_UNIT) % round_boundary))
+ s2 = round_up (s2, round_boundary / BITS_PER_UNIT);
+ SUB_PARM_SIZE (locate->slot_offset, s2);
+ }
+
+ locate->slot_offset.constant += part_size_in_regs;
+
+ if (!in_regs || reg_parm_stack_space > 0)
+ pad_to_arg_alignment (&locate->slot_offset, boundary,
+ &locate->alignment_pad);
+
+ locate->size.constant = (-initial_offset_ptr->constant
+ - locate->slot_offset.constant);
+ if (initial_offset_ptr->var)
+ locate->size.var = size_binop (MINUS_EXPR,
+ size_binop (MINUS_EXPR,
+ ssize_int (0),
+ initial_offset_ptr->var),
+ locate->slot_offset.var);
- locate->slot_offset.constant += part_size_in_regs;
-
- if (!in_regs || reg_parm_stack_space > 0)
- pad_to_arg_alignment (&locate->slot_offset, boundary,
- &locate->alignment_pad);
-
- locate->size.constant = (-initial_offset_ptr->constant
- - locate->slot_offset.constant);
- if (initial_offset_ptr->var)
- locate->size.var = size_binop (MINUS_EXPR,
- size_binop (MINUS_EXPR,
- ssize_int (0),
- initial_offset_ptr->var),
- locate->slot_offset.var);
-
- /* Pad_below needs the pre-rounded size to know how much to pad
- below. */
- locate->offset = locate->slot_offset;
- if (where_pad == downward)
- pad_below (&locate->offset, passed_mode, sizetree);
-
-#else /* !ARGS_GROW_DOWNWARD */
- if (!in_regs || reg_parm_stack_space > 0)
- pad_to_arg_alignment (initial_offset_ptr, boundary,
- &locate->alignment_pad);
- locate->slot_offset = *initial_offset_ptr;
+ /* Pad_below needs the pre-rounded size to know how much to pad
+ below. */
+ locate->offset = locate->slot_offset;
+ if (where_pad == downward)
+ pad_below (&locate->offset, passed_mode, sizetree);
+
+ }
+ else
+ {
+ if (!in_regs || reg_parm_stack_space > 0)
+ pad_to_arg_alignment (initial_offset_ptr, boundary,
+ &locate->alignment_pad);
+ locate->slot_offset = *initial_offset_ptr;
#ifdef PUSH_ROUNDING
- if (passed_mode != BLKmode)
- sizetree = size_int (PUSH_ROUNDING (TREE_INT_CST_LOW (sizetree)));
+ if (passed_mode != BLKmode)
+ sizetree = size_int (PUSH_ROUNDING (TREE_INT_CST_LOW (sizetree)));
#endif
- /* Pad_below needs the pre-rounded size to know how much to pad below
- so this must be done before rounding up. */
- locate->offset = locate->slot_offset;
- if (where_pad == downward)
- pad_below (&locate->offset, passed_mode, sizetree);
+ /* Pad_below needs the pre-rounded size to know how much to pad below
+ so this must be done before rounding up. */
+ locate->offset = locate->slot_offset;
+ if (where_pad == downward)
+ pad_below (&locate->offset, passed_mode, sizetree);
- if (where_pad != none
- && (!tree_fits_uhwi_p (sizetree)
- || (tree_to_uhwi (sizetree) * BITS_PER_UNIT) % round_boundary))
- sizetree = round_up (sizetree, round_boundary / BITS_PER_UNIT);
+ if (where_pad != none
+ && (!tree_fits_uhwi_p (sizetree)
+ || (tree_to_uhwi (sizetree) * BITS_PER_UNIT) % round_boundary))
+ sizetree = round_up (sizetree, round_boundary / BITS_PER_UNIT);
- ADD_PARM_SIZE (locate->size, sizetree);
+ ADD_PARM_SIZE (locate->size, sizetree);
- locate->size.constant -= part_size_in_regs;
-#endif /* ARGS_GROW_DOWNWARD */
+ locate->size.constant -= part_size_in_regs;
+ }
#ifdef FUNCTION_ARG_OFFSET
locate->offset.constant += FUNCTION_ARG_OFFSET (passed_mode, type);
@@ -4175,11 +4179,11 @@ pad_to_arg_alignment (struct args_size *offset_ptr, int boundary,
tree offset = size_binop (PLUS_EXPR,
ARGS_SIZE_TREE (*offset_ptr),
sp_offset_tree);
-#if ARGS_GROW_DOWNWARD
- tree rounded = round_down (offset, boundary / BITS_PER_UNIT);
-#else
- tree rounded = round_up (offset, boundary / BITS_PER_UNIT);
-#endif
+ tree rounded;
+ if (ARGS_GROW_DOWNWARD)
+ rounded = round_down (offset, boundary / BITS_PER_UNIT);
+ else
+ rounded = round_up (offset, boundary / BITS_PER_UNIT);
offset_ptr->var = size_binop (MINUS_EXPR, rounded, sp_offset_tree);
/* ARGS_SIZE_TREE includes constant term. */
@@ -4191,11 +4195,10 @@ pad_to_arg_alignment (struct args_size *offset_ptr, int boundary,
else
{
offset_ptr->constant = -sp_offset +
-#if ARGS_GROW_DOWNWARD
- FLOOR_ROUND (offset_ptr->constant + sp_offset, boundary_in_bytes);
-#else
+ ARGS_GROW_DOWNWARD ?
+ FLOOR_ROUND (offset_ptr->constant + sp_offset, boundary_in_bytes) :
CEIL_ROUND (offset_ptr->constant + sp_offset, boundary_in_bytes);
-#endif
+
if (boundary > PARM_BOUNDARY)
alignment_pad->constant = offset_ptr->constant - save_constant;
}
diff --git a/gcc/targhooks.c b/gcc/targhooks.c
index 7f694b6..806ff8c 100644
--- a/gcc/targhooks.c
+++ b/gcc/targhooks.c
@@ -1786,12 +1786,11 @@ std_gimplify_va_arg_expr (tree valist, tree type, gimple_seq *pre_p,
unsigned HOST_WIDE_INT align, boundary;
bool indirect;
-#if ARGS_GROW_DOWNWARD
/* All of the alignment and movement below is for args-grow-up machines.
As of 2004, there are only 3 ARGS_GROW_DOWNWARD targets, and they all
implement their own specialized gimplify_va_arg_expr routines. */
- gcc_unreachable ();
-#endif
+ if (ARGS_GROW_DOWNWARD)
+ gcc_unreachable ();
indirect = pass_by_reference (NULL, TYPE_MODE (type), type, false);
if (indirect)
generated by cgit v1.1 at 2025-05-28 12:35:24 +0000