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Unified Diff: gcc/gcc/calls.c

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git
Patch Set: Created 10 years, 5 months ago
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Index: gcc/gcc/calls.c
diff --git a/gcc/gcc/calls.c b/gcc/gcc/calls.c
index 16d829b9cd7f7ccb469a379662224d7319cdfe92..0b4a89ecf94adb3cd10b5977ec7e0d7e3c5803df 100644
--- a/gcc/gcc/calls.c
+++ b/gcc/gcc/calls.c
@@ -1,6 +1,6 @@
/* Convert function calls to rtl insns, for GNU C compiler.
Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GCC.
@@ -39,6 +39,7 @@ along with GCC; see the file COPYING3. If not see
#include "sbitmap.h"
#include "langhooks.h"
#include "target.h"
+#include "debug.h"
#include "cgraph.h"
#include "except.h"
#include "dbgcnt.h"
@@ -166,7 +167,7 @@ static void restore_fixed_argument_area (rtx, rtx, int, int);
CALL_INSN_FUNCTION_USAGE information. */
rtx
-prepare_call_address (rtx funexp, rtx static_chain_value,
+prepare_call_address (tree fndecl, rtx funexp, rtx static_chain_value,
rtx *call_fusage, int reg_parm_seen, int sibcallp)
{
/* Make a valid memory address and copy constants through pseudo-regs,
@@ -187,11 +188,15 @@ prepare_call_address (rtx funexp, rtx static_chain_value,
if (static_chain_value != 0)
{
+ rtx chain;
+
+ gcc_assert (fndecl);
+ chain = targetm.calls.static_chain (fndecl, false);
static_chain_value = convert_memory_address (Pmode, static_chain_value);
- emit_move_insn (static_chain_rtx, static_chain_value);
- if (REG_P (static_chain_rtx))
- use_reg (call_fusage, static_chain_rtx);
+ emit_move_insn (chain, static_chain_value);
+ if (REG_P (chain))
+ use_reg (call_fusage, chain);
}
return funexp;
@@ -238,7 +243,7 @@ prepare_call_address (rtx funexp, rtx static_chain_value,
denote registers used by the called function. */
static void
-emit_call_1 (rtx funexp, tree fntree, tree fndecl ATTRIBUTE_UNUSED,
+emit_call_1 (rtx funexp, tree fntree ATTRIBUTE_UNUSED, tree fndecl ATTRIBUTE_UNUSED,
tree funtype ATTRIBUTE_UNUSED,
HOST_WIDE_INT stack_size ATTRIBUTE_UNUSED,
HOST_WIDE_INT rounded_stack_size,
@@ -251,10 +256,6 @@ emit_call_1 (rtx funexp, tree fntree, tree fndecl ATTRIBUTE_UNUSED,
rtx call_insn;
int already_popped = 0;
HOST_WIDE_INT n_popped = RETURN_POPS_ARGS (fndecl, funtype, stack_size);
-#if defined (HAVE_call) && defined (HAVE_call_value)
- rtx struct_value_size_rtx;
- struct_value_size_rtx = GEN_INT (struct_value_size);
-#endif
#ifdef CALL_POPS_ARGS
n_popped += CALL_POPS_ARGS (* args_so_far);
@@ -336,7 +337,7 @@ emit_call_1 (rtx funexp, tree fntree, tree fndecl ATTRIBUTE_UNUSED,
else
emit_call_insn (GEN_SIBCALL (gen_rtx_MEM (FUNCTION_MODE, funexp),
rounded_stack_size_rtx, next_arg_reg,
- struct_value_size_rtx));
+ GEN_INT (struct_value_size)));
}
else
#endif
@@ -352,7 +353,7 @@ emit_call_1 (rtx funexp, tree fntree, tree fndecl ATTRIBUTE_UNUSED,
else
emit_call_insn (GEN_CALL (gen_rtx_MEM (FUNCTION_MODE, funexp),
rounded_stack_size_rtx, next_arg_reg,
- struct_value_size_rtx));
+ GEN_INT (struct_value_size)));
}
else
#endif
@@ -376,19 +377,8 @@ emit_call_1 (rtx funexp, tree fntree, tree fndecl ATTRIBUTE_UNUSED,
if (ecf_flags & ECF_LOOPING_CONST_OR_PURE)
RTL_LOOPING_CONST_OR_PURE_CALL_P (call_insn) = 1;
- /* If this call can't throw, attach a REG_EH_REGION reg note to that
- effect. */
- if (ecf_flags & ECF_NOTHROW)
- add_reg_note (call_insn, REG_EH_REGION, const0_rtx);
- else
- {
- int rn = lookup_expr_eh_region (fntree);
-
- /* If rn < 0, then either (1) tree-ssa not used or (2) doesn't
- throw, which we already took care of. */
- if (rn > 0)
- add_reg_note (call_insn, REG_EH_REGION, GEN_INT (rn));
- }
+ /* Create a nothrow REG_EH_REGION note, if needed. */
+ make_reg_eh_region_note (call_insn, ecf_flags, 0);
if (ecf_flags & ECF_NORETURN)
add_reg_note (call_insn, REG_NORETURN, const0_rtx);
@@ -401,6 +391,11 @@ emit_call_1 (rtx funexp, tree fntree, tree fndecl ATTRIBUTE_UNUSED,
SIBLING_CALL_P (call_insn) = ((ecf_flags & ECF_SIBCALL) != 0);
+ /* Record debug information for virtual calls. */
+ if (flag_enable_icf_debug && fndecl == NULL)
+ (*debug_hooks->virtual_call_token) (CALL_EXPR_FN (fntree),
+ INSN_UID (call_insn));
+
/* Restore this now, so that we do defer pops for this call's args
if the context of the call as a whole permits. */
inhibit_defer_pop = old_inhibit_defer_pop;
@@ -590,12 +585,9 @@ int
flags_from_decl_or_type (const_tree exp)
{
int flags = 0;
- const_tree type = exp;
if (DECL_P (exp))
{
- type = TREE_TYPE (exp);
-
/* The function exp may have the `malloc' attribute. */
if (DECL_IS_MALLOC (exp))
flags |= ECF_MALLOC;
@@ -907,7 +899,7 @@ store_unaligned_arguments_into_pseudos (struct arg_data *args, int num_actuals)
}
/* Fill in ARGS_SIZE and ARGS array based on the parameters found in
- CALL_EXPR EXP.
+ CALL_EXPR EXP.
NUM_ACTUALS is the total number of parameters.
@@ -949,6 +941,7 @@ initialize_argument_information (int num_actuals ATTRIBUTE_UNUSED,
int *must_preallocate, int *ecf_flags,
bool *may_tailcall, bool call_from_thunk_p)
{
+ location_t loc = EXPR_LOCATION (exp);
/* 1 if scanning parms front to back, -1 if scanning back to front. */
int inc;
@@ -1017,11 +1010,12 @@ initialize_argument_information (int num_actuals ATTRIBUTE_UNUSED,
if (type == error_mark_node || !COMPLETE_TYPE_P (type))
args[i].tree_value = integer_zero_node, type = integer_type_node;
- /* If TYPE is a transparent union, pass things the way we would
- pass the first field of the union. We have already verified that
- the modes are the same. */
- if (TREE_CODE (type) == UNION_TYPE && TYPE_TRANSPARENT_UNION (type))
- type = TREE_TYPE (TYPE_FIELDS (type));
+ /* If TYPE is a transparent union or record, pass things the way
+ we would pass the first field of the union or record. We have
+ already verified that the modes are the same. */
+ if ((TREE_CODE (type) == UNION_TYPE || TREE_CODE (type) == RECORD_TYPE)
+ && TYPE_TRANSPARENT_AGGR (type))
+ type = TREE_TYPE (first_field (type));
/* Decide where to pass this arg.
@@ -1054,6 +1048,7 @@ initialize_argument_information (int num_actuals ATTRIBUTE_UNUSED,
|| (callee_copies
&& !TREE_ADDRESSABLE (type)
&& (base = get_base_address (args[i].tree_value))
+ && TREE_CODE (base) != SSA_NAME
&& (!DECL_P (base) || MEM_P (DECL_RTL (base)))))
{
/* We can't use sibcalls if a callee-copied argument is
@@ -1061,7 +1056,8 @@ initialize_argument_information (int num_actuals ATTRIBUTE_UNUSED,
if (!call_from_thunk_p && DECL_P (base) && !TREE_STATIC (base))
*may_tailcall = false;
- args[i].tree_value = build_fold_addr_expr (args[i].tree_value);
+ args[i].tree_value = build_fold_addr_expr_loc (loc,
+ args[i].tree_value);
type = TREE_TYPE (args[i].tree_value);
if (*ecf_flags & ECF_CONST)
@@ -1113,19 +1109,15 @@ initialize_argument_information (int num_actuals ATTRIBUTE_UNUSED,
*ecf_flags &= ~(ECF_PURE | ECF_LOOPING_CONST_OR_PURE);
args[i].tree_value
- = build_fold_addr_expr (make_tree (type, copy));
+ = build_fold_addr_expr_loc (loc, make_tree (type, copy));
type = TREE_TYPE (args[i].tree_value);
*may_tailcall = false;
}
}
- mode = TYPE_MODE (type);
unsignedp = TYPE_UNSIGNED (type);
-
- if (targetm.calls.promote_function_args (fndecl
- ? TREE_TYPE (fndecl)
- : fntype))
- mode = promote_mode (type, mode, &unsignedp, 1);
+ mode = promote_function_mode (type, TYPE_MODE (type), &unsignedp,
+ fndecl ? TREE_TYPE (fndecl) : fntype, 0);
args[i].unsignedp = unsignedp;
args[i].mode = mode;
@@ -1305,29 +1297,33 @@ precompute_arguments (int num_actuals, struct arg_data *args)
for (i = 0; i < num_actuals; i++)
{
+ tree type;
enum machine_mode mode;
if (TREE_CODE (args[i].tree_value) != CALL_EXPR)
continue;
/* If this is an addressable type, we cannot pre-evaluate it. */
- gcc_assert (!TREE_ADDRESSABLE (TREE_TYPE (args[i].tree_value)));
+ type = TREE_TYPE (args[i].tree_value);
+ gcc_assert (!TREE_ADDRESSABLE (type));
args[i].initial_value = args[i].value
= expand_normal (args[i].tree_value);
- mode = TYPE_MODE (TREE_TYPE (args[i].tree_value));
+ mode = TYPE_MODE (type);
if (mode != args[i].mode)
{
+ int unsignedp = args[i].unsignedp;
args[i].value
= convert_modes (args[i].mode, mode,
args[i].value, args[i].unsignedp);
-#if defined(PROMOTE_FUNCTION_MODE) && !defined(PROMOTE_MODE)
+
/* CSE will replace this only if it contains args[i].value
pseudo, so convert it down to the declared mode using
a SUBREG. */
if (REG_P (args[i].value)
- && GET_MODE_CLASS (args[i].mode) == MODE_INT)
+ && GET_MODE_CLASS (args[i].mode) == MODE_INT
+ && promote_mode (type, mode, &unsignedp) != args[i].mode)
{
args[i].initial_value
= gen_lowpart_SUBREG (mode, args[i].value);
@@ -1335,7 +1331,6 @@ precompute_arguments (int num_actuals, struct arg_data *args)
SUBREG_PROMOTED_UNSIGNED_SET (args[i].initial_value,
args[i].unsignedp);
}
-#endif
}
}
}
@@ -1345,7 +1340,7 @@ precompute_arguments (int num_actuals, struct arg_data *args)
compute and return the final value for MUST_PREALLOCATE. */
static int
-finalize_must_preallocate (int must_preallocate, int num_actuals,
+finalize_must_preallocate (int must_preallocate, int num_actuals,
struct arg_data *args, struct args_size *args_size)
{
/* See if we have or want to preallocate stack space.
@@ -1430,7 +1425,7 @@ compute_argument_addresses (struct arg_data *args, rtx argblock, int num_actuals
&& args[i].partial == 0)
continue;
- if (GET_CODE (offset) == CONST_INT)
+ if (CONST_INT_P (offset))
addr = plus_constant (arg_reg, INTVAL (offset));
else
addr = gen_rtx_PLUS (Pmode, arg_reg, offset);
@@ -1457,14 +1452,14 @@ compute_argument_addresses (struct arg_data *args, rtx argblock, int num_actuals
boundary = args[i].locate.boundary;
if (args[i].locate.where_pad != downward)
align = boundary;
- else if (GET_CODE (offset) == CONST_INT)
+ else if (CONST_INT_P (offset))
{
align = INTVAL (offset) * BITS_PER_UNIT | boundary;
align = align & -align;
}
set_mem_align (args[i].stack, align);
- if (GET_CODE (slot_offset) == CONST_INT)
+ if (CONST_INT_P (slot_offset))
addr = plus_constant (arg_reg, INTVAL (slot_offset));
else
addr = gen_rtx_PLUS (Pmode, arg_reg, slot_offset);
@@ -1548,7 +1543,7 @@ mem_overlaps_already_clobbered_arg_p (rtx addr, unsigned HOST_WIDE_INT size)
i = 0;
else if (GET_CODE (addr) == PLUS
&& XEXP (addr, 0) == crtl->args.internal_arg_pointer
- && GET_CODE (XEXP (addr, 1)) == CONST_INT)
+ && CONST_INT_P (XEXP (addr, 1)))
i = INTVAL (XEXP (addr, 1));
/* Return true for arg pointer based indexed addressing. */
else if (GET_CODE (addr) == PLUS
@@ -1925,6 +1920,7 @@ expand_call (tree exp, rtx target, int ignore)
/* Data type of the function. */
tree funtype;
tree type_arg_types;
+ tree rettype;
/* Declaration of the function being called,
or 0 if the function is computed (not known by name). */
tree fndecl = 0;
@@ -2020,7 +2016,6 @@ expand_call (tree exp, rtx target, int ignore)
int old_stack_pointer_delta = 0;
rtx call_fusage;
- tree p = CALL_EXPR_FN (exp);
tree addr = CALL_EXPR_FN (exp);
int i;
/* The alignment of the stack, in bits. */
@@ -2043,15 +2038,16 @@ expand_call (tree exp, rtx target, int ignore)
}
else
{
- fntype = TREE_TYPE (TREE_TYPE (p));
+ fntype = TREE_TYPE (TREE_TYPE (addr));
flags |= flags_from_decl_or_type (fntype);
}
+ rettype = TREE_TYPE (exp);
struct_value = targetm.calls.struct_value_rtx (fntype, 0);
/* Warn if this value is an aggregate type,
regardless of which calling convention we are using for it. */
- if (AGGREGATE_TYPE_P (TREE_TYPE (exp)))
+ if (AGGREGATE_TYPE_P (rettype))
warning (OPT_Waggregate_return, "function call has aggregate value");
/* If the result of a non looping pure or const function call is
@@ -2061,7 +2057,7 @@ expand_call (tree exp, rtx target, int ignore)
if ((flags & (ECF_CONST | ECF_PURE))
&& (!(flags & ECF_LOOPING_CONST_OR_PURE))
&& (ignore || target == const0_rtx
- || TYPE_MODE (TREE_TYPE (exp)) == VOIDmode))
+ || TYPE_MODE (rettype) == VOIDmode))
{
bool volatilep = false;
tree arg;
@@ -2104,7 +2100,7 @@ expand_call (tree exp, rtx target, int ignore)
}
#else /* not PCC_STATIC_STRUCT_RETURN */
{
- struct_value_size = int_size_in_bytes (TREE_TYPE (exp));
+ struct_value_size = int_size_in_bytes (rettype);
if (target && MEM_P (target) && CALL_EXPR_RETURN_SLOT_OPT (exp))
structure_value_addr = XEXP (target, 0);
@@ -2113,7 +2109,7 @@ expand_call (tree exp, rtx target, int ignore)
/* For variable-sized objects, we must be called with a target
specified. If we were to allocate space on the stack here,
we would have no way of knowing when to free it. */
- rtx d = assign_temp (TREE_TYPE (exp), 0, 1, 1);
+ rtx d = assign_temp (rettype, 0, 1, 1);
mark_temp_addr_taken (d);
structure_value_addr = XEXP (d, 0);
@@ -2284,7 +2280,6 @@ expand_call (tree exp, rtx target, int ignore)
if (currently_expanding_call++ != 0
|| !flag_optimize_sibling_calls
|| args_size.var
- || lookup_expr_eh_region (exp) >= 0
|| dbg_cnt (tail_call) == false)
try_tail_call = 0;
@@ -2343,17 +2338,17 @@ expand_call (tree exp, rtx target, int ignore)
tree caller_res = DECL_RESULT (current_function_decl);
caller_unsignedp = TYPE_UNSIGNED (TREE_TYPE (caller_res));
- caller_mode = caller_promoted_mode = DECL_MODE (caller_res);
+ caller_mode = DECL_MODE (caller_res);
callee_unsignedp = TYPE_UNSIGNED (TREE_TYPE (funtype));
- callee_mode = callee_promoted_mode = TYPE_MODE (TREE_TYPE (funtype));
- if (targetm.calls.promote_function_return (TREE_TYPE (current_function_decl)))
- caller_promoted_mode
- = promote_mode (TREE_TYPE (caller_res), caller_mode,
- &caller_unsignedp, 1);
- if (targetm.calls.promote_function_return (funtype))
- callee_promoted_mode
- = promote_mode (TREE_TYPE (funtype), callee_mode,
- &callee_unsignedp, 1);
+ callee_mode = TYPE_MODE (TREE_TYPE (funtype));
+ caller_promoted_mode
+ = promote_function_mode (TREE_TYPE (caller_res), caller_mode,
+ &caller_unsignedp,
+ TREE_TYPE (current_function_decl), 1);
+ callee_promoted_mode
+ = promote_function_mode (TREE_TYPE (funtype), callee_mode,
+ &callee_unsignedp,
+ funtype, 1);
if (caller_mode != VOIDmode
&& (caller_promoted_mode != callee_promoted_mode
|| ((caller_mode != caller_promoted_mode
@@ -2691,14 +2686,14 @@ expand_call (tree exp, rtx target, int ignore)
/* Figure out the register where the value, if any, will come back. */
valreg = 0;
- if (TYPE_MODE (TREE_TYPE (exp)) != VOIDmode
+ if (TYPE_MODE (rettype) != VOIDmode
&& ! structure_value_addr)
{
if (pcc_struct_value)
- valreg = hard_function_value (build_pointer_type (TREE_TYPE (exp)),
+ valreg = hard_function_value (build_pointer_type (rettype),
fndecl, NULL, (pass == 0));
else
- valreg = hard_function_value (TREE_TYPE (exp), fndecl, fntype,
+ valreg = hard_function_value (rettype, fndecl, fntype,
(pass == 0));
/* If VALREG is a PARALLEL whose first member has a zero
@@ -2816,7 +2811,7 @@ expand_call (tree exp, rtx target, int ignore)
}
after_args = get_last_insn ();
- funexp = prepare_call_address (funexp, static_chain_value,
+ funexp = prepare_call_address (fndecl, funexp, static_chain_value,
&call_fusage, reg_parm_seen, pass == 0);
load_register_parameters (args, num_actuals, &call_fusage, flags,
@@ -2863,12 +2858,12 @@ expand_call (tree exp, rtx target, int ignore)
group load/store machinery below. */
if (!structure_value_addr
&& !pcc_struct_value
- && TYPE_MODE (TREE_TYPE (exp)) != BLKmode
- && targetm.calls.return_in_msb (TREE_TYPE (exp)))
+ && TYPE_MODE (rettype) != BLKmode
+ && targetm.calls.return_in_msb (rettype))
{
- if (shift_return_value (TYPE_MODE (TREE_TYPE (exp)), false, valreg))
+ if (shift_return_value (TYPE_MODE (rettype), false, valreg))
sibcall_failure = 1;
- valreg = gen_rtx_REG (TYPE_MODE (TREE_TYPE (exp)), REGNO (valreg));
+ valreg = gen_rtx_REG (TYPE_MODE (rettype), REGNO (valreg));
}
if (pass && (flags & ECF_MALLOC))
@@ -2877,7 +2872,7 @@ expand_call (tree exp, rtx target, int ignore)
rtx last, insns;
/* The return value from a malloc-like function is a pointer. */
- if (TREE_CODE (TREE_TYPE (exp)) == POINTER_TYPE)
+ if (TREE_CODE (rettype) == POINTER_TYPE)
mark_reg_pointer (temp, BIGGEST_ALIGNMENT);
emit_move_insn (temp, valreg);
@@ -2927,7 +2922,7 @@ expand_call (tree exp, rtx target, int ignore)
/* If value type not void, return an rtx for the value. */
- if (TYPE_MODE (TREE_TYPE (exp)) == VOIDmode
+ if (TYPE_MODE (rettype) == VOIDmode
|| ignore)
target = const0_rtx;
else if (structure_value_addr)
@@ -2935,10 +2930,10 @@ expand_call (tree exp, rtx target, int ignore)
if (target == 0 || !MEM_P (target))
{
target
- = gen_rtx_MEM (TYPE_MODE (TREE_TYPE (exp)),
- memory_address (TYPE_MODE (TREE_TYPE (exp)),
+ = gen_rtx_MEM (TYPE_MODE (rettype),
+ memory_address (TYPE_MODE (rettype),
structure_value_addr));
- set_mem_attributes (target, exp, 1);
+ set_mem_attributes (target, rettype, 1);
}
}
else if (pcc_struct_value)
@@ -2946,9 +2941,9 @@ expand_call (tree exp, rtx target, int ignore)
/* This is the special C++ case where we need to
know what the true target was. We take care to
never use this value more than once in one expression. */
- target = gen_rtx_MEM (TYPE_MODE (TREE_TYPE (exp)),
+ target = gen_rtx_MEM (TYPE_MODE (rettype),
copy_to_reg (valreg));
- set_mem_attributes (target, exp, 1);
+ set_mem_attributes (target, rettype, 1);
}
/* Handle calls that return values in multiple non-contiguous locations.
The Irix 6 ABI has examples of this. */
@@ -2957,22 +2952,22 @@ expand_call (tree exp, rtx target, int ignore)
if (target == 0)
{
/* This will only be assigned once, so it can be readonly. */
- tree nt = build_qualified_type (TREE_TYPE (exp),
- (TYPE_QUALS (TREE_TYPE (exp))
+ tree nt = build_qualified_type (rettype,
+ (TYPE_QUALS (rettype)
| TYPE_QUAL_CONST));
target = assign_temp (nt, 0, 1, 1);
}
if (! rtx_equal_p (target, valreg))
- emit_group_store (target, valreg, TREE_TYPE (exp),
- int_size_in_bytes (TREE_TYPE (exp)));
+ emit_group_store (target, valreg, rettype,
+ int_size_in_bytes (rettype));
/* We can not support sibling calls for this case. */
sibcall_failure = 1;
}
else if (target
- && GET_MODE (target) == TYPE_MODE (TREE_TYPE (exp))
+ && GET_MODE (target) == TYPE_MODE (rettype)
&& GET_MODE (target) == GET_MODE (valreg))
{
bool may_overlap = false;
@@ -3017,12 +3012,12 @@ expand_call (tree exp, rtx target, int ignore)
sibcall_failure = 1;
}
}
- else if (TYPE_MODE (TREE_TYPE (exp)) == BLKmode)
+ else if (TYPE_MODE (rettype) == BLKmode)
{
rtx val = valreg;
if (GET_MODE (val) != BLKmode)
val = avoid_likely_spilled_reg (val);
- target = copy_blkmode_from_reg (target, val, TREE_TYPE (exp));
+ target = copy_blkmode_from_reg (target, val, rettype);
/* We can not support sibling calls for this case. */
sibcall_failure = 1;
@@ -3030,38 +3025,37 @@ expand_call (tree exp, rtx target, int ignore)
else
target = copy_to_reg (avoid_likely_spilled_reg (valreg));
- if (targetm.calls.promote_function_return(funtype))
+ /* If we promoted this return value, make the proper SUBREG.
+ TARGET might be const0_rtx here, so be careful. */
+ if (REG_P (target)
+ && TYPE_MODE (rettype) != BLKmode
+ && GET_MODE (target) != TYPE_MODE (rettype))
{
- /* If we promoted this return value, make the proper SUBREG.
- TARGET might be const0_rtx here, so be careful. */
- if (REG_P (target)
- && TYPE_MODE (TREE_TYPE (exp)) != BLKmode
- && GET_MODE (target) != TYPE_MODE (TREE_TYPE (exp)))
+ tree type = rettype;
+ int unsignedp = TYPE_UNSIGNED (type);
+ int offset = 0;
+ enum machine_mode pmode;
+
+ /* Ensure we promote as expected, and get the new unsignedness. */
+ pmode = promote_function_mode (type, TYPE_MODE (type), &unsignedp,
+ funtype, 1);
+ gcc_assert (GET_MODE (target) == pmode);
+
+ if ((WORDS_BIG_ENDIAN || BYTES_BIG_ENDIAN)
+ && (GET_MODE_SIZE (GET_MODE (target))
+ > GET_MODE_SIZE (TYPE_MODE (type))))
{
- tree type = TREE_TYPE (exp);
- int unsignedp = TYPE_UNSIGNED (type);
- int offset = 0;
- enum machine_mode pmode;
-
- pmode = promote_mode (type, TYPE_MODE (type), &unsignedp, 1);
- /* If we don't promote as expected, something is wrong. */
- gcc_assert (GET_MODE (target) == pmode);
-
- if ((WORDS_BIG_ENDIAN || BYTES_BIG_ENDIAN)
- && (GET_MODE_SIZE (GET_MODE (target))
- > GET_MODE_SIZE (TYPE_MODE (type))))
- {
- offset = GET_MODE_SIZE (GET_MODE (target))
- - GET_MODE_SIZE (TYPE_MODE (type));
- if (! BYTES_BIG_ENDIAN)
- offset = (offset / UNITS_PER_WORD) * UNITS_PER_WORD;
- else if (! WORDS_BIG_ENDIAN)
- offset %= UNITS_PER_WORD;
- }
- target = gen_rtx_SUBREG (TYPE_MODE (type), target, offset);
- SUBREG_PROMOTED_VAR_P (target) = 1;
- SUBREG_PROMOTED_UNSIGNED_SET (target, unsignedp);
+ offset = GET_MODE_SIZE (GET_MODE (target))
+ - GET_MODE_SIZE (TYPE_MODE (type));
+ if (! BYTES_BIG_ENDIAN)
+ offset = (offset / UNITS_PER_WORD) * UNITS_PER_WORD;
+ else if (! WORDS_BIG_ENDIAN)
+ offset %= UNITS_PER_WORD;
}
+
+ target = gen_rtx_SUBREG (TYPE_MODE (type), target, offset);
+ SUBREG_PROMOTED_VAR_P (target) = 1;
+ SUBREG_PROMOTED_UNSIGNED_SET (target, unsignedp);
}
/* If size of args is variable or this was a constructor call for a stack
@@ -3447,7 +3441,7 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value,
for (; count < nargs; count++)
{
rtx val = va_arg (p, rtx);
- enum machine_mode mode = va_arg (p, enum machine_mode);
+ enum machine_mode mode = (enum machine_mode) va_arg (p, int);
/* We cannot convert the arg value to the mode the library wants here;
must do it earlier where we know the signedness of the arg. */
@@ -3637,6 +3631,7 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value,
rtx val = argvec[argnum].value;
rtx reg = argvec[argnum].reg;
int partial = argvec[argnum].partial;
+ unsigned int parm_align = argvec[argnum].locate.boundary;
int lower_bound = 0, upper_bound = 0, i;
if (! (reg != 0 && partial == 0))
@@ -3698,7 +3693,7 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value,
}
}
- emit_push_insn (val, mode, NULL_TREE, NULL_RTX, PARM_BOUNDARY,
+ emit_push_insn (val, mode, NULL_TREE, NULL_RTX, parm_align,
partial, reg, 0, argblock,
GEN_INT (argvec[argnum].locate.offset.constant),
reg_parm_stack_space,
@@ -3747,7 +3742,7 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value,
else
argnum = 0;
- fun = prepare_call_address (fun, NULL, &call_fusage, 0, 0);
+ fun = prepare_call_address (NULL, fun, NULL, &call_fusage, 0, 0);
/* Now load any reg parms into their regs. */
@@ -3806,7 +3801,7 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value,
cse'ing of library calls could delete a call and leave the pop. */
NO_DEFER_POP;
valreg = (mem_value == 0 && outmode != VOIDmode
- ? hard_libcall_value (outmode) : NULL_RTX);
+ ? hard_libcall_value (outmode, orgfun) : NULL_RTX);
/* Stack must be properly aligned now. */
gcc_assert (!(stack_pointer_delta
@@ -3875,15 +3870,14 @@ emit_library_call_value_1 (int retval, rtx orgfun, rtx value,
}
else
{
- /* Convert to the proper mode if PROMOTE_MODE has been active. */
+ /* Convert to the proper mode if a promotion has been active. */
if (GET_MODE (valreg) != outmode)
{
int unsignedp = TYPE_UNSIGNED (tfom);
- gcc_assert (targetm.calls.promote_function_return (tfom));
- gcc_assert (promote_mode (tfom, outmode, &unsignedp, 0)
+ gcc_assert (promote_function_mode (tfom, outmode, &unsignedp,
+ fndecl ? TREE_TYPE (fndecl) : fntype, 1)
== GET_MODE (valreg));
-
valreg = convert_modes (outmode, GET_MODE (valreg), valreg, 0);
}
@@ -4235,7 +4229,8 @@ store_one_arg (struct arg_data *arg, rtx argblock, int flags,
- int_size_in_bytes (TREE_TYPE (pval))
+ partial);
size_rtx = expand_expr (size_in_bytes (TREE_TYPE (pval)),
- NULL_RTX, TYPE_MODE (sizetype), 0);
+ NULL_RTX, TYPE_MODE (sizetype),
+ EXPAND_NORMAL);
}
parm_align = arg->locate.boundary;
@@ -4264,7 +4259,7 @@ store_one_arg (struct arg_data *arg, rtx argblock, int flags,
|| (GET_CODE (XEXP (x, 0)) == PLUS
&& XEXP (XEXP (x, 0), 0) ==
crtl->args.internal_arg_pointer
- && GET_CODE (XEXP (XEXP (x, 0), 1)) == CONST_INT))
+ && CONST_INT_P (XEXP (XEXP (x, 0), 1))))
{
if (XEXP (x, 0) != crtl->args.internal_arg_pointer)
i = INTVAL (XEXP (XEXP (x, 0), 1));
@@ -4272,7 +4267,7 @@ store_one_arg (struct arg_data *arg, rtx argblock, int flags,
/* expand_call should ensure this. */
gcc_assert (!arg->locate.offset.var
&& arg->locate.size.var == 0
- && GET_CODE (size_rtx) == CONST_INT);
+ && CONST_INT_P (size_rtx));
if (arg->locate.offset.constant > i)
{
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