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-rw-r--r--gcc/recog.c175
1 files changed, 88 insertions, 87 deletions
diff --git a/gcc/recog.c b/gcc/recog.c
index abbc49f..5a42c45 100644
--- a/gcc/recog.c
+++ b/gcc/recog.c
@@ -1393,7 +1393,7 @@ valid_insn_p (rtx_insn *insn)
return true;
}
-/* Return 1 if OP is a valid general operand for machine mode MODE.
+/* Return true if OP is a valid general operand for machine mode MODE.
This is either a register reference, a memory reference,
or a constant. In the case of a memory reference, the address
is checked for general validity for the target machine.
@@ -1407,7 +1407,7 @@ valid_insn_p (rtx_insn *insn)
The main use of this function is as a predicate in match_operand
expressions in the machine description. */
-int
+bool
general_operand (rtx op, machine_mode mode)
{
enum rtx_code code = GET_CODE (op);
@@ -1420,12 +1420,12 @@ general_operand (rtx op, machine_mode mode)
if (GET_MODE (op) == VOIDmode && mode != VOIDmode
&& GET_MODE_CLASS (mode) != MODE_INT
&& GET_MODE_CLASS (mode) != MODE_PARTIAL_INT)
- return 0;
+ return false;
if (CONST_INT_P (op)
&& mode != VOIDmode
&& trunc_int_for_mode (INTVAL (op), mode) != INTVAL (op))
- return 0;
+ return false;
if (CONSTANT_P (op))
return ((GET_MODE (op) == VOIDmode || GET_MODE (op) == mode
@@ -1439,7 +1439,7 @@ general_operand (rtx op, machine_mode mode)
OP's mode must match MODE if MODE specifies a mode. */
if (GET_MODE (op) != mode)
- return 0;
+ return false;
if (code == SUBREG)
{
@@ -1452,7 +1452,7 @@ general_operand (rtx op, machine_mode mode)
get cleaned up by cleanup_subreg_operands. */
if (!reload_completed && MEM_P (sub)
&& paradoxical_subreg_p (op))
- return 0;
+ return false;
#endif
/* Avoid memories with nonzero SUBREG_BYTE, as offsetting the memory
may result in incorrect reference. We should simplify all valid
@@ -1463,7 +1463,7 @@ general_operand (rtx op, machine_mode mode)
if (!reload_completed
&& maybe_ne (SUBREG_BYTE (op), 0)
&& MEM_P (sub))
- return 0;
+ return false;
if (REG_P (sub)
&& REGNO (sub) < FIRST_PSEUDO_REGISTER
@@ -1474,7 +1474,7 @@ general_operand (rtx op, machine_mode mode)
operand reload presentation. LRA needs to treat them as
valid. */
&& ! LRA_SUBREG_P (op))
- return 0;
+ return false;
/* FLOAT_MODE subregs can't be paradoxical. Combine will occasionally
create such rtl, and we must reject it. */
@@ -1486,7 +1486,7 @@ general_operand (rtx op, machine_mode mode)
mode. */
&& ! lra_in_progress
&& paradoxical_subreg_p (op))
- return 0;
+ return false;
op = sub;
code = GET_CODE (op);
@@ -1501,7 +1501,7 @@ general_operand (rtx op, machine_mode mode)
rtx y = XEXP (op, 0);
if (! volatile_ok && MEM_VOLATILE_P (op))
- return 0;
+ return false;
/* Use the mem's mode, since it will be reloaded thus. LRA can
generate move insn with invalid addresses which is made valid
@@ -1509,19 +1509,19 @@ general_operand (rtx op, machine_mode mode)
transformations. */
if (lra_in_progress
|| memory_address_addr_space_p (GET_MODE (op), y, MEM_ADDR_SPACE (op)))
- return 1;
+ return true;
}
- return 0;
+ return false;
}
-/* Return 1 if OP is a valid memory address for a memory reference
+/* Return true if OP is a valid memory address for a memory reference
of mode MODE.
The main use of this function is as a predicate in match_operand
expressions in the machine description. */
-int
+bool
address_operand (rtx op, machine_mode mode)
{
/* Wrong mode for an address expr. */
@@ -1532,13 +1532,13 @@ address_operand (rtx op, machine_mode mode)
return memory_address_p (mode, op);
}
-/* Return 1 if OP is a register reference of mode MODE.
+/* Return true if OP is a register reference of mode MODE.
If MODE is VOIDmode, accept a register in any mode.
The main use of this function is as a predicate in match_operand
expressions in the machine description. */
-int
+bool
register_operand (rtx op, machine_mode mode)
{
if (GET_CODE (op) == SUBREG)
@@ -1552,29 +1552,29 @@ register_operand (rtx op, machine_mode mode)
but currently it does result from (SUBREG (REG)...) where the
reg went on the stack.) */
if (!REG_P (sub) && (reload_completed || !MEM_P (sub)))
- return 0;
+ return false;
}
else if (!REG_P (op))
- return 0;
+ return false;
return general_operand (op, mode);
}
-/* Return 1 for a register in Pmode; ignore the tested mode. */
+/* Return true for a register in Pmode; ignore the tested mode. */
-int
+bool
pmode_register_operand (rtx op, machine_mode mode ATTRIBUTE_UNUSED)
{
return register_operand (op, Pmode);
}
-/* Return 1 if OP should match a MATCH_SCRATCH, i.e., if it is a SCRATCH
+/* Return true if OP should match a MATCH_SCRATCH, i.e., if it is a SCRATCH
or a hard register. */
-int
+bool
scratch_operand (rtx op, machine_mode mode)
{
if (GET_MODE (op) != mode && mode != VOIDmode)
- return 0;
+ return false;
return (GET_CODE (op) == SCRATCH
|| (REG_P (op)
@@ -1583,12 +1583,12 @@ scratch_operand (rtx op, machine_mode mode)
&& REGNO_REG_CLASS (REGNO (op)) != NO_REGS))));
}
-/* Return 1 if OP is a valid immediate operand for mode MODE.
+/* Return true if OP is a valid immediate operand for mode MODE.
The main use of this function is as a predicate in match_operand
expressions in the machine description. */
-int
+bool
immediate_operand (rtx op, machine_mode mode)
{
/* Don't accept CONST_INT or anything similar
@@ -1596,12 +1596,12 @@ immediate_operand (rtx op, machine_mode mode)
if (GET_MODE (op) == VOIDmode && mode != VOIDmode
&& GET_MODE_CLASS (mode) != MODE_INT
&& GET_MODE_CLASS (mode) != MODE_PARTIAL_INT)
- return 0;
+ return false;
if (CONST_INT_P (op)
&& mode != VOIDmode
&& trunc_int_for_mode (INTVAL (op), mode) != INTVAL (op))
- return 0;
+ return false;
return (CONSTANT_P (op)
&& (GET_MODE (op) == mode || mode == VOIDmode
@@ -1612,29 +1612,29 @@ immediate_operand (rtx op, machine_mode mode)
: mode, op));
}
-/* Returns 1 if OP is an operand that is a CONST_INT of mode MODE. */
+/* Return true if OP is an operand that is a CONST_INT of mode MODE. */
-int
+bool
const_int_operand (rtx op, machine_mode mode)
{
if (!CONST_INT_P (op))
- return 0;
+ return false;
if (mode != VOIDmode
&& trunc_int_for_mode (INTVAL (op), mode) != INTVAL (op))
- return 0;
+ return false;
- return 1;
+ return true;
}
#if TARGET_SUPPORTS_WIDE_INT
-/* Returns 1 if OP is an operand that is a CONST_INT or CONST_WIDE_INT
+/* Return true if OP is an operand that is a CONST_INT or CONST_WIDE_INT
of mode MODE. */
-int
+bool
const_scalar_int_operand (rtx op, machine_mode mode)
{
if (!CONST_SCALAR_INT_P (op))
- return 0;
+ return false;
if (CONST_INT_P (op))
return const_int_operand (op, mode);
@@ -1646,10 +1646,10 @@ const_scalar_int_operand (rtx op, machine_mode mode)
int bitsize = GET_MODE_BITSIZE (int_mode);
if (CONST_WIDE_INT_NUNITS (op) * HOST_BITS_PER_WIDE_INT > bitsize)
- return 0;
+ return false;
if (prec == bitsize)
- return 1;
+ return true;
else
{
/* Multiword partial int. */
@@ -1658,23 +1658,23 @@ const_scalar_int_operand (rtx op, machine_mode mode)
return (sext_hwi (x, prec & (HOST_BITS_PER_WIDE_INT - 1)) == x);
}
}
- return 1;
+ return true;
}
-/* Returns 1 if OP is an operand that is a constant integer or constant
+/* Return true if OP is an operand that is a constant integer or constant
floating-point number of MODE. */
-int
+bool
const_double_operand (rtx op, machine_mode mode)
{
return (GET_CODE (op) == CONST_DOUBLE)
&& (GET_MODE (op) == mode || mode == VOIDmode);
}
#else
-/* Returns 1 if OP is an operand that is a constant integer or constant
+/* Return true if OP is an operand that is a constant integer or constant
floating-point number of MODE. */
-int
+bool
const_double_operand (rtx op, machine_mode mode)
{
/* Don't accept CONST_INT or anything similar
@@ -1682,25 +1682,26 @@ const_double_operand (rtx op, machine_mode mode)
if (GET_MODE (op) == VOIDmode && mode != VOIDmode
&& GET_MODE_CLASS (mode) != MODE_INT
&& GET_MODE_CLASS (mode) != MODE_PARTIAL_INT)
- return 0;
+ return false;
return ((CONST_DOUBLE_P (op) || CONST_INT_P (op))
&& (mode == VOIDmode || GET_MODE (op) == mode
|| GET_MODE (op) == VOIDmode));
}
#endif
-/* Return 1 if OP is a general operand that is not an immediate
+/* Return true if OP is a general operand that is not an immediate
operand of mode MODE. */
-int
+bool
nonimmediate_operand (rtx op, machine_mode mode)
{
return (general_operand (op, mode) && ! CONSTANT_P (op));
}
-/* Return 1 if OP is a register reference or immediate value of mode MODE. */
+/* Return true if OP is a register reference or
+ immediate value of mode MODE. */
-int
+bool
nonmemory_operand (rtx op, machine_mode mode)
{
if (CONSTANT_P (op))
@@ -1708,20 +1709,20 @@ nonmemory_operand (rtx op, machine_mode mode)
return register_operand (op, mode);
}
-/* Return 1 if OP is a valid operand that stands for pushing a
+/* Return true if OP is a valid operand that stands for pushing a
value of mode MODE onto the stack.
The main use of this function is as a predicate in match_operand
expressions in the machine description. */
-int
+bool
push_operand (rtx op, machine_mode mode)
{
if (!MEM_P (op))
- return 0;
+ return false;
if (mode != VOIDmode && GET_MODE (op) != mode)
- return 0;
+ return false;
poly_int64 rounded_size = GET_MODE_SIZE (mode);
@@ -1734,7 +1735,7 @@ push_operand (rtx op, machine_mode mode)
if (known_eq (rounded_size, GET_MODE_SIZE (mode)))
{
if (GET_CODE (op) != STACK_PUSH_CODE)
- return 0;
+ return false;
}
else
{
@@ -1746,61 +1747,61 @@ push_operand (rtx op, machine_mode mode)
|| (STACK_GROWS_DOWNWARD
? maybe_ne (offset, -rounded_size)
: maybe_ne (offset, rounded_size)))
- return 0;
+ return false;
}
return XEXP (op, 0) == stack_pointer_rtx;
}
-/* Return 1 if OP is a valid operand that stands for popping a
+/* Return true if OP is a valid operand that stands for popping a
value of mode MODE off the stack.
The main use of this function is as a predicate in match_operand
expressions in the machine description. */
-int
+bool
pop_operand (rtx op, machine_mode mode)
{
if (!MEM_P (op))
- return 0;
+ return false;
if (mode != VOIDmode && GET_MODE (op) != mode)
- return 0;
+ return false;
op = XEXP (op, 0);
if (GET_CODE (op) != STACK_POP_CODE)
- return 0;
+ return false;
return XEXP (op, 0) == stack_pointer_rtx;
}
-/* Return 1 if ADDR is a valid memory address
+/* Return true if ADDR is a valid memory address
for mode MODE in address space AS. */
-int
+bool
memory_address_addr_space_p (machine_mode mode ATTRIBUTE_UNUSED,
rtx addr, addr_space_t as)
{
#ifdef GO_IF_LEGITIMATE_ADDRESS
gcc_assert (ADDR_SPACE_GENERIC_P (as));
GO_IF_LEGITIMATE_ADDRESS (mode, addr, win);
- return 0;
+ return false;
win:
- return 1;
+ return true;
#else
return targetm.addr_space.legitimate_address_p (mode, addr, 0, as);
#endif
}
-/* Return 1 if OP is a valid memory reference with mode MODE,
+/* Return true if OP is a valid memory reference with mode MODE,
including a valid address.
The main use of this function is as a predicate in match_operand
expressions in the machine description. */
-int
+bool
memory_operand (rtx op, machine_mode mode)
{
rtx inner;
@@ -1811,7 +1812,7 @@ memory_operand (rtx op, machine_mode mode)
return MEM_P (op) && general_operand (op, mode);
if (mode != VOIDmode && GET_MODE (op) != mode)
- return 0;
+ return false;
inner = op;
if (GET_CODE (inner) == SUBREG)
@@ -1820,10 +1821,10 @@ memory_operand (rtx op, machine_mode mode)
return (MEM_P (inner) && general_operand (op, mode));
}
-/* Return 1 if OP is a valid indirect memory reference with mode MODE;
+/* Return true if OP is a valid indirect memory reference with mode MODE;
that is, a memory reference whose address is a general_operand. */
-int
+bool
indirect_operand (rtx op, machine_mode mode)
{
/* Before reload, a SUBREG isn't in memory (see memory_operand, above). */
@@ -1831,7 +1832,7 @@ indirect_operand (rtx op, machine_mode mode)
&& GET_CODE (op) == SUBREG && MEM_P (SUBREG_REG (op)))
{
if (mode != VOIDmode && GET_MODE (op) != mode)
- return 0;
+ return false;
/* The only way that we can have a general_operand as the resulting
address is if OFFSET is zero and the address already is an operand
@@ -1848,10 +1849,10 @@ indirect_operand (rtx op, machine_mode mode)
&& general_operand (XEXP (op, 0), Pmode));
}
-/* Return 1 if this is an ordered comparison operator (not including
+/* Return true if this is an ordered comparison operator (not including
ORDERED and UNORDERED). */
-int
+bool
ordered_comparison_operator (rtx op, machine_mode mode)
{
if (mode != VOIDmode && GET_MODE (op) != mode)
@@ -1874,10 +1875,10 @@ ordered_comparison_operator (rtx op, machine_mode mode)
}
}
-/* Return 1 if this is a comparison operator. This allows the use of
+/* Return true if this is a comparison operator. This allows the use of
MATCH_OPERATOR to recognize all the branch insns. */
-int
+bool
comparison_operator (rtx op, machine_mode mode)
{
return ((mode == VOIDmode || GET_MODE (op) == mode)
@@ -2267,6 +2268,7 @@ asm_operand_ok (rtx op, const char *constraint, const char **constraints)
break;
case CT_MEMORY:
+ case CT_RELAXED_MEMORY:
mem = op;
/* Fall through. */
case CT_SPECIAL_MEMORY:
@@ -2359,18 +2361,16 @@ find_constant_term_loc (rtx *p)
return 0;
}
-/* Return 1 if OP is a memory reference
- whose address contains no side effects
- and remains valid after the addition
- of a positive integer less than the
- size of the object being referenced.
+/* Return true if OP is a memory reference whose address contains
+ no side effects and remains valid after the addition of a positive
+ integer less than the size of the object being referenced.
We assume that the original address is valid and do not check it.
This uses strict_memory_address_p as a subroutine, so
don't use it before reload. */
-int
+bool
offsettable_memref_p (rtx op)
{
return ((MEM_P (op))
@@ -2381,7 +2381,7 @@ offsettable_memref_p (rtx op)
/* Similar, but don't require a strictly valid mem ref:
consider pseudo-regs valid as index or base regs. */
-int
+bool
offsettable_nonstrict_memref_p (rtx op)
{
return ((MEM_P (op))
@@ -2389,7 +2389,7 @@ offsettable_nonstrict_memref_p (rtx op)
MEM_ADDR_SPACE (op)));
}
-/* Return 1 if Y is a memory address which contains no side effects
+/* Return true if Y is a memory address which contains no side effects
and would remain valid for address space AS after the addition of
a positive integer less than the size of that mode.
@@ -2399,7 +2399,7 @@ offsettable_nonstrict_memref_p (rtx op)
If STRICTP is nonzero, we require a strictly valid address,
for the sake of use in reload.c. */
-int
+bool
offsettable_address_addr_space_p (int strictp, machine_mode mode, rtx y,
addr_space_t as)
{
@@ -2407,19 +2407,19 @@ offsettable_address_addr_space_p (int strictp, machine_mode mode, rtx y,
rtx z;
rtx y1 = y;
rtx *y2;
- int (*addressp) (machine_mode, rtx, addr_space_t) =
+ bool (*addressp) (machine_mode, rtx, addr_space_t) =
(strictp ? strict_memory_address_addr_space_p
: memory_address_addr_space_p);
poly_int64 mode_sz = GET_MODE_SIZE (mode);
if (CONSTANT_ADDRESS_P (y))
- return 1;
+ return true;
/* Adjusting an offsettable address involves changing to a narrower mode.
Make sure that's OK. */
if (mode_dependent_address_p (y, as))
- return 0;
+ return false;
machine_mode address_mode = GET_MODE (y);
if (address_mode == VOIDmode)
@@ -2440,7 +2440,7 @@ offsettable_address_addr_space_p (int strictp, machine_mode mode, rtx y,
if ((ycode == PLUS) && (y2 = find_constant_term_loc (&y1)))
{
- int good;
+ bool good;
y1 = *y2;
*y2 = plus_constant (address_mode, *y2, mode_sz - 1);
@@ -2454,7 +2454,7 @@ offsettable_address_addr_space_p (int strictp, machine_mode mode, rtx y,
}
if (GET_RTX_CLASS (ycode) == RTX_AUTOINC)
- return 0;
+ return false;
/* The offset added here is chosen as the maximum offset that
any instruction could need to add when operating on something
@@ -2484,7 +2484,7 @@ offsettable_address_addr_space_p (int strictp, machine_mode mode, rtx y,
return (*addressp) (QImode, z, as);
}
-/* Return 1 if ADDR is an address-expression whose effect depends
+/* Return true if ADDR is an address-expression whose effect depends
on the mode of the memory reference it is used in.
ADDRSPACE is the address space associated with the address.
@@ -2892,6 +2892,7 @@ preprocess_constraints (int n_operands, int n_alternatives,
case CT_MEMORY:
case CT_SPECIAL_MEMORY:
+ case CT_RELAXED_MEMORY:
op_alt[i].memory_ok = 1;
break;
generated by cgit v1.1 at 2025-05-06 22:37:52 +0000