return is_builtin_name (name);
}
-/* Return the alignment in bits of EXP, an object.
- Don't return more than MAX_ALIGN no matter what. */
+/* Compute values M and N such that M divides (address of EXP - N) and
+ such that N < M. Store N in *BITPOSP and return M.
+
+ Note that the address (and thus the alignment) computed here is based
+ on the address to which a symbol resolves, whereas DECL_ALIGN is based
+ on the address at which an object is actually located. These two
+ addresses are not always the same. For example, on ARM targets,
+ the address &foo of a Thumb function foo() has the lowest bit set,
+ whereas foo() itself starts on an even address. */
unsigned int
get_object_alignment_1 (tree exp, unsigned HOST_WIDE_INT *bitposp)
exp = DECL_INITIAL (exp);
if (DECL_P (exp)
&& TREE_CODE (exp) != LABEL_DECL)
- align = DECL_ALIGN (exp);
+ {
+ if (TREE_CODE (exp) == FUNCTION_DECL)
+ {
+ /* Function addresses can encode extra information besides their
+ alignment. However, if TARGET_PTRMEMFUNC_VBIT_LOCATION
+ allows the low bit to be used as a virtual bit, we know
+ that the address itself must be 2-byte aligned. */
+ if (TARGET_PTRMEMFUNC_VBIT_LOCATION == ptrmemfunc_vbit_in_pfn)
+ align = 2 * BITS_PER_UNIT;
+ else
+ align = BITS_PER_UNIT;
+ }
+ else
+ align = DECL_ALIGN (exp);
+ }
else if (CONSTANT_CLASS_P (exp))
{
align = TYPE_ALIGN (TREE_TYPE (exp));
gcc_assert (TREE_CODE (inner) == COMPONENT_REF);
- if (MEM_OFFSET (mem)
- && CONST_INT_P (MEM_OFFSET (mem)))
- offset = INTVAL (MEM_OFFSET (mem));
+ if (MEM_OFFSET_KNOWN_P (mem))
+ offset = MEM_OFFSET (mem);
if (offset >= 0 && len && host_integerp (len, 0))
length = tree_low_cst (len, 0);
if (mem_expr != MEM_EXPR (mem))
{
set_mem_expr (mem, mem_expr);
- set_mem_offset (mem, offset >= 0 ? GEN_INT (offset) : NULL_RTX);
+ if (offset >= 0)
+ set_mem_offset (mem, offset);
+ else
+ clear_mem_offset (mem);
}
}
set_mem_alias_set (mem, 0);
- set_mem_size (mem, NULL_RTX);
+ clear_mem_size (mem);
}
return mem;
/* Set MEM_SIZE as appropriate. */
if (CONST_INT_P (arg3_rtx))
{
- set_mem_size (arg1_rtx, arg3_rtx);
- set_mem_size (arg2_rtx, arg3_rtx);
+ set_mem_size (arg1_rtx, INTVAL (arg3_rtx));
+ set_mem_size (arg2_rtx, INTVAL (arg3_rtx));
}
#ifdef HAVE_cmpmemsi
&& !integer_zerop (TYPE_SIZE (type)))
{
t = build2 (MODIFY_EXPR, TREE_TYPE (valist), valist_tmp,
- fold_build2 (POINTER_PLUS_EXPR,
- TREE_TYPE (valist),
- valist_tmp, size_int (boundary - 1)));
+ fold_build_pointer_plus_hwi (valist_tmp, boundary - 1));
gimplify_and_add (t, pre_p);
t = fold_convert (sizetype, valist_tmp);
rounded_size, size_int (align));
t = fold_build3 (COND_EXPR, sizetype, t, size_zero_node,
size_binop (MINUS_EXPR, rounded_size, type_size));
- addr = fold_build2 (POINTER_PLUS_EXPR,
- TREE_TYPE (addr), addr, t);
+ addr = fold_build_pointer_plus (addr, t);
}
/* Compute new value for AP. */
- t = build2 (POINTER_PLUS_EXPR, TREE_TYPE (valist), valist_tmp, rounded_size);
+ t = fold_build_pointer_plus (valist_tmp, rounded_size);
t = build2 (MODIFY_EXPR, TREE_TYPE (valist), valist, t);
gimplify_and_add (t, pre_p);
/* Compute op, into TARGET if possible.
Set TARGET to wherever the result comes back. */
target = expand_unop (TYPE_MODE (TREE_TYPE (CALL_EXPR_ARG (exp, 0))),
- op_optab, op0, target, 1);
+ op_optab, op0, target, op_optab != clrsb_optab);
gcc_assert (target);
return convert_to_mode (target_mode, target, 0);
return target;
}
+/* Expand a call to __builtin_assume_aligned. We just return our first
+ argument as the builtin_assume_aligned semantic should've been already
+ executed by CCP. */
+
+static rtx
+expand_builtin_assume_aligned (tree exp, rtx target)
+{
+ if (call_expr_nargs (exp) < 2)
+ return const0_rtx;
+ target = expand_expr (CALL_EXPR_ARG (exp, 0), target, VOIDmode,
+ EXPAND_NORMAL);
+ gcc_assert (!TREE_SIDE_EFFECTS (CALL_EXPR_ARG (exp, 1))
+ && (call_expr_nargs (exp) < 3
+ || !TREE_SIDE_EFFECTS (CALL_EXPR_ARG (exp, 2))));
+ return target;
+}
+
void
expand_builtin_trap (void)
{
{
m_tramp = change_address (m_tramp, BLKmode, tmp);
set_mem_align (m_tramp, TRAMPOLINE_ALIGNMENT);
- set_mem_size (m_tramp, GEN_INT (TRAMPOLINE_SIZE));
+ set_mem_size (m_tramp, TRAMPOLINE_SIZE);
}
/* The FUNC argument should be the address of the nested function.
switch (fcode)
{
- case BUILT_IN_FETCH_AND_NAND_1:
- case BUILT_IN_FETCH_AND_NAND_2:
- case BUILT_IN_FETCH_AND_NAND_4:
- case BUILT_IN_FETCH_AND_NAND_8:
- case BUILT_IN_FETCH_AND_NAND_16:
+ case BUILT_IN_SYNC_FETCH_AND_NAND_1:
+ case BUILT_IN_SYNC_FETCH_AND_NAND_2:
+ case BUILT_IN_SYNC_FETCH_AND_NAND_4:
+ case BUILT_IN_SYNC_FETCH_AND_NAND_8:
+ case BUILT_IN_SYNC_FETCH_AND_NAND_16:
if (warned_f_a_n)
break;
- fndecl = implicit_built_in_decls[BUILT_IN_FETCH_AND_NAND_N];
+ fndecl = implicit_built_in_decls[BUILT_IN_SYNC_FETCH_AND_NAND_N];
inform (loc, "%qD changed semantics in GCC 4.4", fndecl);
warned_f_a_n = true;
break;
- case BUILT_IN_NAND_AND_FETCH_1:
- case BUILT_IN_NAND_AND_FETCH_2:
- case BUILT_IN_NAND_AND_FETCH_4:
- case BUILT_IN_NAND_AND_FETCH_8:
- case BUILT_IN_NAND_AND_FETCH_16:
+ case BUILT_IN_SYNC_NAND_AND_FETCH_1:
+ case BUILT_IN_SYNC_NAND_AND_FETCH_2:
+ case BUILT_IN_SYNC_NAND_AND_FETCH_4:
+ case BUILT_IN_SYNC_NAND_AND_FETCH_8:
+ case BUILT_IN_SYNC_NAND_AND_FETCH_16:
if (warned_n_a_f)
break;
- fndecl = implicit_built_in_decls[BUILT_IN_NAND_AND_FETCH_N];
+ fndecl = implicit_built_in_decls[BUILT_IN_SYNC_NAND_AND_FETCH_N];
inform (loc, "%qD changed semantics in GCC 4.4", fndecl);
warned_n_a_f = true;
break;
the results. */
static rtx
-expand_builtin_lock_test_and_set (enum machine_mode mode, tree exp,
+expand_builtin_sync_lock_test_and_set (enum machine_mode mode, tree exp,
rtx target)
{
rtx val, mem;
/* Expand the __sync_synchronize intrinsic. */
static void
-expand_builtin_synchronize (void)
+expand_builtin_sync_synchronize (void)
{
gimple x;
VEC (tree, gc) *v_clobbers;
/* Expand the __sync_lock_release intrinsic. EXP is the CALL_EXPR. */
static void
-expand_builtin_lock_release (enum machine_mode mode, tree exp)
+expand_builtin_sync_lock_release (enum machine_mode mode, tree exp)
{
struct expand_operand ops[2];
enum insn_code icode;
/* Otherwise we can implement this operation by emitting a barrier
followed by a store of zero. */
- expand_builtin_synchronize ();
+ expand_builtin_sync_synchronize ();
emit_move_insn (mem, const0_rtx);
}
\f
return target;
break;
+ CASE_INT_FN (BUILT_IN_CLRSB):
+ case BUILT_IN_CLRSBIMAX:
+ target = expand_builtin_unop (target_mode, exp, target,
+ subtarget, clrsb_optab);
+ if (target)
+ return target;
+ break;
+
CASE_INT_FN (BUILT_IN_POPCOUNT):
case BUILT_IN_POPCOUNTIMAX:
target = expand_builtin_unop (target_mode, exp, target,
return expand_builtin_va_copy (exp);
case BUILT_IN_EXPECT:
return expand_builtin_expect (exp, target);
+ case BUILT_IN_ASSUME_ALIGNED:
+ return expand_builtin_assume_aligned (exp, target);
case BUILT_IN_PREFETCH:
expand_builtin_prefetch (exp);
return const0_rtx;
return target;
break;
- case BUILT_IN_FETCH_AND_ADD_1:
- case BUILT_IN_FETCH_AND_ADD_2:
- case BUILT_IN_FETCH_AND_ADD_4:
- case BUILT_IN_FETCH_AND_ADD_8:
- case BUILT_IN_FETCH_AND_ADD_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_FETCH_AND_ADD_1);
+ case BUILT_IN_SYNC_FETCH_AND_ADD_1:
+ case BUILT_IN_SYNC_FETCH_AND_ADD_2:
+ case BUILT_IN_SYNC_FETCH_AND_ADD_4:
+ case BUILT_IN_SYNC_FETCH_AND_ADD_8:
+ case BUILT_IN_SYNC_FETCH_AND_ADD_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_FETCH_AND_ADD_1);
target = expand_builtin_sync_operation (mode, exp, PLUS,
false, target, ignore);
if (target)
return target;
break;
- case BUILT_IN_FETCH_AND_SUB_1:
- case BUILT_IN_FETCH_AND_SUB_2:
- case BUILT_IN_FETCH_AND_SUB_4:
- case BUILT_IN_FETCH_AND_SUB_8:
- case BUILT_IN_FETCH_AND_SUB_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_FETCH_AND_SUB_1);
+ case BUILT_IN_SYNC_FETCH_AND_SUB_1:
+ case BUILT_IN_SYNC_FETCH_AND_SUB_2:
+ case BUILT_IN_SYNC_FETCH_AND_SUB_4:
+ case BUILT_IN_SYNC_FETCH_AND_SUB_8:
+ case BUILT_IN_SYNC_FETCH_AND_SUB_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_FETCH_AND_SUB_1);
target = expand_builtin_sync_operation (mode, exp, MINUS,
false, target, ignore);
if (target)
return target;
break;
- case BUILT_IN_FETCH_AND_OR_1:
- case BUILT_IN_FETCH_AND_OR_2:
- case BUILT_IN_FETCH_AND_OR_4:
- case BUILT_IN_FETCH_AND_OR_8:
- case BUILT_IN_FETCH_AND_OR_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_FETCH_AND_OR_1);
+ case BUILT_IN_SYNC_FETCH_AND_OR_1:
+ case BUILT_IN_SYNC_FETCH_AND_OR_2:
+ case BUILT_IN_SYNC_FETCH_AND_OR_4:
+ case BUILT_IN_SYNC_FETCH_AND_OR_8:
+ case BUILT_IN_SYNC_FETCH_AND_OR_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_FETCH_AND_OR_1);
target = expand_builtin_sync_operation (mode, exp, IOR,
false, target, ignore);
if (target)
return target;
break;
- case BUILT_IN_FETCH_AND_AND_1:
- case BUILT_IN_FETCH_AND_AND_2:
- case BUILT_IN_FETCH_AND_AND_4:
- case BUILT_IN_FETCH_AND_AND_8:
- case BUILT_IN_FETCH_AND_AND_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_FETCH_AND_AND_1);
+ case BUILT_IN_SYNC_FETCH_AND_AND_1:
+ case BUILT_IN_SYNC_FETCH_AND_AND_2:
+ case BUILT_IN_SYNC_FETCH_AND_AND_4:
+ case BUILT_IN_SYNC_FETCH_AND_AND_8:
+ case BUILT_IN_SYNC_FETCH_AND_AND_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_FETCH_AND_AND_1);
target = expand_builtin_sync_operation (mode, exp, AND,
false, target, ignore);
if (target)
return target;
break;
- case BUILT_IN_FETCH_AND_XOR_1:
- case BUILT_IN_FETCH_AND_XOR_2:
- case BUILT_IN_FETCH_AND_XOR_4:
- case BUILT_IN_FETCH_AND_XOR_8:
- case BUILT_IN_FETCH_AND_XOR_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_FETCH_AND_XOR_1);
+ case BUILT_IN_SYNC_FETCH_AND_XOR_1:
+ case BUILT_IN_SYNC_FETCH_AND_XOR_2:
+ case BUILT_IN_SYNC_FETCH_AND_XOR_4:
+ case BUILT_IN_SYNC_FETCH_AND_XOR_8:
+ case BUILT_IN_SYNC_FETCH_AND_XOR_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_FETCH_AND_XOR_1);
target = expand_builtin_sync_operation (mode, exp, XOR,
false, target, ignore);
if (target)
return target;
break;
- case BUILT_IN_FETCH_AND_NAND_1:
- case BUILT_IN_FETCH_AND_NAND_2:
- case BUILT_IN_FETCH_AND_NAND_4:
- case BUILT_IN_FETCH_AND_NAND_8:
- case BUILT_IN_FETCH_AND_NAND_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_FETCH_AND_NAND_1);
+ case BUILT_IN_SYNC_FETCH_AND_NAND_1:
+ case BUILT_IN_SYNC_FETCH_AND_NAND_2:
+ case BUILT_IN_SYNC_FETCH_AND_NAND_4:
+ case BUILT_IN_SYNC_FETCH_AND_NAND_8:
+ case BUILT_IN_SYNC_FETCH_AND_NAND_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_FETCH_AND_NAND_1);
target = expand_builtin_sync_operation (mode, exp, NOT,
false, target, ignore);
if (target)
return target;
break;
- case BUILT_IN_ADD_AND_FETCH_1:
- case BUILT_IN_ADD_AND_FETCH_2:
- case BUILT_IN_ADD_AND_FETCH_4:
- case BUILT_IN_ADD_AND_FETCH_8:
- case BUILT_IN_ADD_AND_FETCH_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_ADD_AND_FETCH_1);
+ case BUILT_IN_SYNC_ADD_AND_FETCH_1:
+ case BUILT_IN_SYNC_ADD_AND_FETCH_2:
+ case BUILT_IN_SYNC_ADD_AND_FETCH_4:
+ case BUILT_IN_SYNC_ADD_AND_FETCH_8:
+ case BUILT_IN_SYNC_ADD_AND_FETCH_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_ADD_AND_FETCH_1);
target = expand_builtin_sync_operation (mode, exp, PLUS,
true, target, ignore);
if (target)
return target;
break;
- case BUILT_IN_SUB_AND_FETCH_1:
- case BUILT_IN_SUB_AND_FETCH_2:
- case BUILT_IN_SUB_AND_FETCH_4:
- case BUILT_IN_SUB_AND_FETCH_8:
- case BUILT_IN_SUB_AND_FETCH_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_SUB_AND_FETCH_1);
+ case BUILT_IN_SYNC_SUB_AND_FETCH_1:
+ case BUILT_IN_SYNC_SUB_AND_FETCH_2:
+ case BUILT_IN_SYNC_SUB_AND_FETCH_4:
+ case BUILT_IN_SYNC_SUB_AND_FETCH_8:
+ case BUILT_IN_SYNC_SUB_AND_FETCH_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_SUB_AND_FETCH_1);
target = expand_builtin_sync_operation (mode, exp, MINUS,
true, target, ignore);
if (target)
return target;
break;
- case BUILT_IN_OR_AND_FETCH_1:
- case BUILT_IN_OR_AND_FETCH_2:
- case BUILT_IN_OR_AND_FETCH_4:
- case BUILT_IN_OR_AND_FETCH_8:
- case BUILT_IN_OR_AND_FETCH_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_OR_AND_FETCH_1);
+ case BUILT_IN_SYNC_OR_AND_FETCH_1:
+ case BUILT_IN_SYNC_OR_AND_FETCH_2:
+ case BUILT_IN_SYNC_OR_AND_FETCH_4:
+ case BUILT_IN_SYNC_OR_AND_FETCH_8:
+ case BUILT_IN_SYNC_OR_AND_FETCH_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_OR_AND_FETCH_1);
target = expand_builtin_sync_operation (mode, exp, IOR,
true, target, ignore);
if (target)
return target;
break;
- case BUILT_IN_AND_AND_FETCH_1:
- case BUILT_IN_AND_AND_FETCH_2:
- case BUILT_IN_AND_AND_FETCH_4:
- case BUILT_IN_AND_AND_FETCH_8:
- case BUILT_IN_AND_AND_FETCH_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_AND_AND_FETCH_1);
+ case BUILT_IN_SYNC_AND_AND_FETCH_1:
+ case BUILT_IN_SYNC_AND_AND_FETCH_2:
+ case BUILT_IN_SYNC_AND_AND_FETCH_4:
+ case BUILT_IN_SYNC_AND_AND_FETCH_8:
+ case BUILT_IN_SYNC_AND_AND_FETCH_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_AND_AND_FETCH_1);
target = expand_builtin_sync_operation (mode, exp, AND,
true, target, ignore);
if (target)
return target;
break;
- case BUILT_IN_XOR_AND_FETCH_1:
- case BUILT_IN_XOR_AND_FETCH_2:
- case BUILT_IN_XOR_AND_FETCH_4:
- case BUILT_IN_XOR_AND_FETCH_8:
- case BUILT_IN_XOR_AND_FETCH_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_XOR_AND_FETCH_1);
+ case BUILT_IN_SYNC_XOR_AND_FETCH_1:
+ case BUILT_IN_SYNC_XOR_AND_FETCH_2:
+ case BUILT_IN_SYNC_XOR_AND_FETCH_4:
+ case BUILT_IN_SYNC_XOR_AND_FETCH_8:
+ case BUILT_IN_SYNC_XOR_AND_FETCH_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_XOR_AND_FETCH_1);
target = expand_builtin_sync_operation (mode, exp, XOR,
true, target, ignore);
if (target)
return target;
break;
- case BUILT_IN_NAND_AND_FETCH_1:
- case BUILT_IN_NAND_AND_FETCH_2:
- case BUILT_IN_NAND_AND_FETCH_4:
- case BUILT_IN_NAND_AND_FETCH_8:
- case BUILT_IN_NAND_AND_FETCH_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_NAND_AND_FETCH_1);
+ case BUILT_IN_SYNC_NAND_AND_FETCH_1:
+ case BUILT_IN_SYNC_NAND_AND_FETCH_2:
+ case BUILT_IN_SYNC_NAND_AND_FETCH_4:
+ case BUILT_IN_SYNC_NAND_AND_FETCH_8:
+ case BUILT_IN_SYNC_NAND_AND_FETCH_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_NAND_AND_FETCH_1);
target = expand_builtin_sync_operation (mode, exp, NOT,
true, target, ignore);
if (target)
return target;
break;
- case BUILT_IN_BOOL_COMPARE_AND_SWAP_1:
- case BUILT_IN_BOOL_COMPARE_AND_SWAP_2:
- case BUILT_IN_BOOL_COMPARE_AND_SWAP_4:
- case BUILT_IN_BOOL_COMPARE_AND_SWAP_8:
- case BUILT_IN_BOOL_COMPARE_AND_SWAP_16:
+ case BUILT_IN_SYNC_BOOL_COMPARE_AND_SWAP_1:
+ case BUILT_IN_SYNC_BOOL_COMPARE_AND_SWAP_2:
+ case BUILT_IN_SYNC_BOOL_COMPARE_AND_SWAP_4:
+ case BUILT_IN_SYNC_BOOL_COMPARE_AND_SWAP_8:
+ case BUILT_IN_SYNC_BOOL_COMPARE_AND_SWAP_16:
if (mode == VOIDmode)
mode = TYPE_MODE (boolean_type_node);
if (!target || !register_operand (target, mode))
target = gen_reg_rtx (mode);
- mode = get_builtin_sync_mode (fcode - BUILT_IN_BOOL_COMPARE_AND_SWAP_1);
+ mode = get_builtin_sync_mode
+ (fcode - BUILT_IN_SYNC_BOOL_COMPARE_AND_SWAP_1);
target = expand_builtin_compare_and_swap (mode, exp, true, target);
if (target)
return target;
break;
- case BUILT_IN_VAL_COMPARE_AND_SWAP_1:
- case BUILT_IN_VAL_COMPARE_AND_SWAP_2:
- case BUILT_IN_VAL_COMPARE_AND_SWAP_4:
- case BUILT_IN_VAL_COMPARE_AND_SWAP_8:
- case BUILT_IN_VAL_COMPARE_AND_SWAP_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_VAL_COMPARE_AND_SWAP_1);
+ case BUILT_IN_SYNC_VAL_COMPARE_AND_SWAP_1:
+ case BUILT_IN_SYNC_VAL_COMPARE_AND_SWAP_2:
+ case BUILT_IN_SYNC_VAL_COMPARE_AND_SWAP_4:
+ case BUILT_IN_SYNC_VAL_COMPARE_AND_SWAP_8:
+ case BUILT_IN_SYNC_VAL_COMPARE_AND_SWAP_16:
+ mode = get_builtin_sync_mode
+ (fcode - BUILT_IN_SYNC_VAL_COMPARE_AND_SWAP_1);
target = expand_builtin_compare_and_swap (mode, exp, false, target);
if (target)
return target;
break;
- case BUILT_IN_LOCK_TEST_AND_SET_1:
- case BUILT_IN_LOCK_TEST_AND_SET_2:
- case BUILT_IN_LOCK_TEST_AND_SET_4:
- case BUILT_IN_LOCK_TEST_AND_SET_8:
- case BUILT_IN_LOCK_TEST_AND_SET_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_LOCK_TEST_AND_SET_1);
- target = expand_builtin_lock_test_and_set (mode, exp, target);
+ case BUILT_IN_SYNC_LOCK_TEST_AND_SET_1:
+ case BUILT_IN_SYNC_LOCK_TEST_AND_SET_2:
+ case BUILT_IN_SYNC_LOCK_TEST_AND_SET_4:
+ case BUILT_IN_SYNC_LOCK_TEST_AND_SET_8:
+ case BUILT_IN_SYNC_LOCK_TEST_AND_SET_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_LOCK_TEST_AND_SET_1);
+ target = expand_builtin_sync_lock_test_and_set (mode, exp, target);
if (target)
return target;
break;
- case BUILT_IN_LOCK_RELEASE_1:
- case BUILT_IN_LOCK_RELEASE_2:
- case BUILT_IN_LOCK_RELEASE_4:
- case BUILT_IN_LOCK_RELEASE_8:
- case BUILT_IN_LOCK_RELEASE_16:
- mode = get_builtin_sync_mode (fcode - BUILT_IN_LOCK_RELEASE_1);
- expand_builtin_lock_release (mode, exp);
+ case BUILT_IN_SYNC_LOCK_RELEASE_1:
+ case BUILT_IN_SYNC_LOCK_RELEASE_2:
+ case BUILT_IN_SYNC_LOCK_RELEASE_4:
+ case BUILT_IN_SYNC_LOCK_RELEASE_8:
+ case BUILT_IN_SYNC_LOCK_RELEASE_16:
+ mode = get_builtin_sync_mode (fcode - BUILT_IN_SYNC_LOCK_RELEASE_1);
+ expand_builtin_sync_lock_release (mode, exp);
return const0_rtx;
- case BUILT_IN_SYNCHRONIZE:
- expand_builtin_synchronize ();
+ case BUILT_IN_SYNC_SYNCHRONIZE:
+ expand_builtin_sync_synchronize ();
return const0_rtx;
case BUILT_IN_OBJECT_SIZE:
static tree
fold_builtin_expect (location_t loc, tree arg0, tree arg1)
{
- tree inner, fndecl;
+ tree inner, fndecl, inner_arg0;
enum tree_code code;
+ /* Distribute the expected value over short-circuiting operators.
+ See through the cast from truthvalue_type_node to long. */
+ inner_arg0 = arg0;
+ while (TREE_CODE (inner_arg0) == NOP_EXPR
+ && INTEGRAL_TYPE_P (TREE_TYPE (inner_arg0))
+ && INTEGRAL_TYPE_P (TREE_TYPE (TREE_OPERAND (inner_arg0, 0))))
+ inner_arg0 = TREE_OPERAND (inner_arg0, 0);
+
/* If this is a builtin_expect within a builtin_expect keep the
inner one. See through a comparison against a constant. It
might have been added to create a thruthvalue. */
- inner = arg0;
+ inner = inner_arg0;
+
if (COMPARISON_CLASS_P (inner)
&& TREE_CODE (TREE_OPERAND (inner, 1)) == INTEGER_CST)
inner = TREE_OPERAND (inner, 0);
&& DECL_FUNCTION_CODE (fndecl) == BUILT_IN_EXPECT)
return arg0;
- /* Distribute the expected value over short-circuiting operators.
- See through the cast from truthvalue_type_node to long. */
- inner = arg0;
- while (TREE_CODE (inner) == NOP_EXPR
- && INTEGRAL_TYPE_P (TREE_TYPE (inner))
- && INTEGRAL_TYPE_P (TREE_TYPE (TREE_OPERAND (inner, 0))))
- inner = TREE_OPERAND (inner, 0);
-
+ inner = inner_arg0;
code = TREE_CODE (inner);
if (code == TRUTH_ANDIF_EXPR || code == TRUTH_ORIF_EXPR)
{
}
/* If the argument isn't invariant then there's nothing else we can do. */
- if (!TREE_CONSTANT (arg0))
+ if (!TREE_CONSTANT (inner_arg0))
return NULL_TREE;
/* If we expect that a comparison against the argument will fold to
a constant return the constant. In practice, this means a true
constant or the address of a non-weak symbol. */
- inner = arg0;
+ inner = inner_arg0;
STRIP_NOPS (inner);
if (TREE_CODE (inner) == ADDR_EXPR)
{
{
hi = TREE_INT_CST_HIGH (arg);
if (width < 2 * HOST_BITS_PER_WIDE_INT)
- hi &= ~((HOST_WIDE_INT) (-1) >> (width - HOST_BITS_PER_WIDE_INT));
+ hi &= ~((unsigned HOST_WIDE_INT) (-1)
+ << (width - HOST_BITS_PER_WIDE_INT));
}
else
{
result = width;
break;
+ CASE_INT_FN (BUILT_IN_CLRSB):
+ if (width > HOST_BITS_PER_WIDE_INT
+ && (hi & ((unsigned HOST_WIDE_INT) 1
+ << (width - HOST_BITS_PER_WIDE_INT - 1))) != 0)
+ {
+ hi = ~hi & ~((unsigned HOST_WIDE_INT) (-1)
+ << (width - HOST_BITS_PER_WIDE_INT - 1));
+ lo = ~lo;
+ }
+ else if (width <= HOST_BITS_PER_WIDE_INT
+ && (lo & ((unsigned HOST_WIDE_INT) 1 << (width - 1))) != 0)
+ lo = ~lo & ~((unsigned HOST_WIDE_INT) (-1) << (width - 1));
+ if (hi != 0)
+ result = width - floor_log2 (hi) - 2 - HOST_BITS_PER_WIDE_INT;
+ else if (lo != 0)
+ result = width - floor_log2 (lo) - 2;
+ else
+ result = width - 1;
+ break;
+
CASE_INT_FN (BUILT_IN_POPCOUNT):
result = 0;
while (lo)
len = fold_build2_loc (loc, MINUS_EXPR, TREE_TYPE (len), len,
ssize_int (1));
- len = fold_convert_loc (loc, sizetype, len);
- dest = fold_build2_loc (loc, POINTER_PLUS_EXPR, TREE_TYPE (dest), dest, len);
+ dest = fold_build_pointer_plus_loc (loc, dest, len);
dest = fold_convert_loc (loc, type, dest);
if (expr)
dest = omit_one_operand_loc (loc, type, dest, expr);
call = build_call_expr_loc (loc, fn, 3, dest, src, lenp1);
type = TREE_TYPE (TREE_TYPE (fndecl));
- len = fold_convert_loc (loc, sizetype, len);
- dest = fold_build2_loc (loc, POINTER_PLUS_EXPR, TREE_TYPE (dest), dest, len);
+ dest = fold_build_pointer_plus_loc (loc, dest, len);
dest = fold_convert_loc (loc, type, dest);
dest = omit_one_operand_loc (loc, type, dest, call);
return dest;
if (r == NULL)
return build_int_cst (TREE_TYPE (arg1), 0);
- tem = fold_build2_loc (loc, POINTER_PLUS_EXPR, TREE_TYPE (arg1), arg1,
- size_int (r - p1));
+ tem = fold_build_pointer_plus_hwi_loc (loc, arg1, r - p1);
return fold_convert_loc (loc, type, tem);
}
return NULL_TREE;
/* If ARG's format doesn't have signed zeros, return "arg < 0.0". */
if (!HONOR_SIGNED_ZEROS (TYPE_MODE (TREE_TYPE (arg))))
- return fold_build2_loc (loc, LT_EXPR, type, arg,
- build_real (TREE_TYPE (arg), dconst0));
+ return fold_convert (type,
+ fold_build2_loc (loc, LT_EXPR, boolean_type_node, arg,
+ build_real (TREE_TYPE (arg), dconst0)));
return NULL_TREE;
}
CASE_INT_FN (BUILT_IN_FFS):
CASE_INT_FN (BUILT_IN_CLZ):
CASE_INT_FN (BUILT_IN_CTZ):
+ CASE_INT_FN (BUILT_IN_CLRSB):
CASE_INT_FN (BUILT_IN_POPCOUNT):
CASE_INT_FN (BUILT_IN_PARITY):
return fold_builtin_bitop (fndecl, arg0);
return build_int_cst (TREE_TYPE (s1), 0);
/* Return an offset into the constant string argument. */
- tem = fold_build2_loc (loc, POINTER_PLUS_EXPR, TREE_TYPE (s1),
- s1, size_int (r - p1));
+ tem = fold_build_pointer_plus_hwi_loc (loc, s1, r - p1);
return fold_convert_loc (loc, type, tem);
}
return build_int_cst (TREE_TYPE (s1), 0);
/* Return an offset into the constant string argument. */
- tem = fold_build2_loc (loc, POINTER_PLUS_EXPR, TREE_TYPE (s1),
- s1, size_int (r - p1));
+ tem = fold_build_pointer_plus_hwi_loc (loc, s1, r - p1);
return fold_convert_loc (loc, type, tem);
}
return NULL_TREE;
return build_int_cst (TREE_TYPE (s1), 0);
/* Return an offset into the constant string argument. */
- tem = fold_build2_loc (loc, POINTER_PLUS_EXPR, TREE_TYPE (s1),
- s1, size_int (r - p1));
+ tem = fold_build_pointer_plus_hwi_loc (loc, s1, r - p1);
return fold_convert_loc (loc, type, tem);
}
return build_int_cst (TREE_TYPE (s1), 0);
/* Return an offset into the constant string argument. */
- tem = fold_build2_loc (loc, POINTER_PLUS_EXPR, TREE_TYPE (s1),
- s1, size_int (r - p1));
+ tem = fold_build_pointer_plus_hwi_loc (loc, s1, r - p1);
return fold_convert_loc (loc, type, tem);
}
newdst = build_call_expr_loc (loc, strlen_fn, 1, dst);
/* Create (dst p+ strlen (dst)). */
- newdst = fold_build2_loc (loc, POINTER_PLUS_EXPR,
- TREE_TYPE (dst), dst, newdst);
+ newdst = fold_build_pointer_plus_loc (loc, dst, newdst);
newdst = builtin_save_expr (newdst);
call = build_call_expr_loc (loc, strcpy_fn, 2, newdst, src);
return expand_expr (dest, target, mode, EXPAND_NORMAL);
}
- expr = fold_build2 (POINTER_PLUS_EXPR, TREE_TYPE (dest), dest, len);
+ expr = fold_build_pointer_plus (dest, len);
return expand_expr (expr, target, mode, EXPAND_NORMAL);
}
dest, len);
else
{
- tree temp = fold_build2_loc (loc, POINTER_PLUS_EXPR, TREE_TYPE (dest),
- dest, len);
+ tree temp = fold_build_pointer_plus_loc (loc, dest, len);
return fold_convert_loc (loc, TREE_TYPE (TREE_TYPE (fndecl)), temp);
}
}
case BUILT_IN_OBJECT_SIZE:
case BUILT_IN_UNREACHABLE:
/* Simple register moves or loads from stack. */
+ case BUILT_IN_ASSUME_ALIGNED:
case BUILT_IN_RETURN_ADDRESS:
case BUILT_IN_EXTRACT_RETURN_ADDR:
case BUILT_IN_FROB_RETURN_ADDR: