((((HOST_WIDE_INT) low) < 0) ? ((HOST_WIDE_INT) -1) : ((HOST_WIDE_INT) 0))
static rtx neg_const_int (enum machine_mode, rtx);
-static bool mode_signbit_p (enum machine_mode, rtx);
static int simplify_plus_minus_op_data_cmp (const void *, const void *);
static rtx simplify_plus_minus (enum rtx_code, enum machine_mode, rtx,
rtx, int);
/* Test whether expression, X, is an immediate constant that represents
the most significant bit of machine mode MODE. */
-static bool
+bool
mode_signbit_p (enum machine_mode mode, rtx x)
{
unsigned HOST_WIDE_INT val;
if (code == VEC_DUPLICATE)
{
- if (!VECTOR_MODE_P (mode))
- abort ();
- if (GET_MODE (trueop) != VOIDmode
- && !VECTOR_MODE_P (GET_MODE (trueop))
- && GET_MODE_INNER (mode) != GET_MODE (trueop))
- abort ();
- if (GET_MODE (trueop) != VOIDmode
- && VECTOR_MODE_P (GET_MODE (trueop))
- && GET_MODE_INNER (mode) != GET_MODE_INNER (GET_MODE (trueop)))
- abort ();
+ gcc_assert (VECTOR_MODE_P (mode));
+ if (GET_MODE (trueop) != VOIDmode)
+ {
+ if (!VECTOR_MODE_P (GET_MODE (trueop)))
+ gcc_assert (GET_MODE_INNER (mode) == GET_MODE (trueop));
+ else
+ gcc_assert (GET_MODE_INNER (mode) == GET_MODE_INNER
+ (GET_MODE (trueop)));
+ }
if (GET_CODE (trueop) == CONST_INT || GET_CODE (trueop) == CONST_DOUBLE
|| GET_CODE (trueop) == CONST_VECTOR)
{
int in_elt_size = GET_MODE_SIZE (GET_MODE_INNER (inmode));
unsigned in_n_elts = (GET_MODE_SIZE (inmode) / in_elt_size);
- if (in_n_elts >= n_elts || n_elts % in_n_elts)
- abort ();
+ gcc_assert (in_n_elts < n_elts);
+ gcc_assert ((n_elts % in_n_elts) == 0);
for (i = 0; i < n_elts; i++)
RTVEC_ELT (v, i) = CONST_VECTOR_ELT (trueop, i % in_n_elts);
}
rtvec v = rtvec_alloc (n_elts);
unsigned int i;
- if (op_n_elts != n_elts)
- abort ();
-
+ gcc_assert (op_n_elts == n_elts);
for (i = 0; i < n_elts; i++)
{
rtx x = simplify_unary_operation (code, GET_MODE_INNER (mode),
case ZERO_EXTEND:
/* When zero-extending a CONST_INT, we need to know its
original mode. */
- if (op_mode == VOIDmode)
- abort ();
+ gcc_assert (op_mode != VOIDmode);
if (GET_MODE_BITSIZE (op_mode) == HOST_BITS_PER_WIDE_INT)
{
/* If we were really extending the mode,
we would have to distinguish between zero-extension
and sign-extension. */
- if (width != GET_MODE_BITSIZE (op_mode))
- abort ();
+ gcc_assert (width == GET_MODE_BITSIZE (op_mode));
val = arg0;
}
else if (GET_MODE_BITSIZE (op_mode) < HOST_BITS_PER_WIDE_INT)
/* If we were really extending the mode,
we would have to distinguish between zero-extension
and sign-extension. */
- if (width != GET_MODE_BITSIZE (op_mode))
- abort ();
+ gcc_assert (width == GET_MODE_BITSIZE (op_mode));
val = arg0;
}
else if (GET_MODE_BITSIZE (op_mode) < HOST_BITS_PER_WIDE_INT)
return 0;
default:
- abort ();
+ gcc_unreachable ();
}
val = trunc_int_for_mode (val, mode);
break;
case ZERO_EXTEND:
- if (op_mode == VOIDmode)
- abort ();
+ gcc_assert (op_mode != VOIDmode);
if (GET_MODE_BITSIZE (op_mode) > HOST_BITS_PER_WIDE_INT)
return 0;
real_from_target (&d, tmp, mode);
}
default:
- abort ();
+ gcc_unreachable ();
}
return CONST_DOUBLE_FROM_REAL_VALUE (d, mode);
}
break;
default:
- abort ();
+ gcc_unreachable ();
}
return immed_double_const (xl, xh, mode);
}
rtx trueop0, trueop1;
rtx tem;
-#ifdef ENABLE_CHECKING
/* Relational operations don't work here. We must know the mode
of the operands in order to do the comparison correctly.
Assuming a full word can give incorrect results.
Consider comparing 128 with -128 in QImode. */
-
- if (GET_RTX_CLASS (code) == RTX_COMPARE
- || GET_RTX_CLASS (code) == RTX_COMM_COMPARE)
- abort ();
-#endif
+ gcc_assert (GET_RTX_CLASS (code) != RTX_COMPARE);
+ gcc_assert (GET_RTX_CLASS (code) != RTX_COMM_COMPARE);
/* Make sure the constant is second. */
if (GET_RTX_CLASS (code) == RTX_COMM_ARITH
rtvec v = rtvec_alloc (n_elts);
unsigned int i;
- if (op0_n_elts != n_elts || op1_n_elts != n_elts)
- abort ();
-
+ gcc_assert (op0_n_elts == n_elts);
+ gcc_assert (op1_n_elts == n_elts);
for (i = 0; i < n_elts; i++)
{
rtx x = simplify_binary_operation (code, GET_MODE_INNER (mode),
GET_MODE (op1));
for (i = 0; i < 4; i++)
{
- if (code == AND)
+ switch (code)
+ {
+ case AND:
tmp0[i] &= tmp1[i];
- else if (code == IOR)
+ break;
+ case IOR:
tmp0[i] |= tmp1[i];
- else if (code == XOR)
+ break;
+ case XOR:
tmp0[i] ^= tmp1[i];
- else
- abort ();
+ break;
+ default:
+ gcc_unreachable ();
+ }
}
real_from_target (&r, tmp0, mode);
return CONST_DOUBLE_FROM_REAL_VALUE (r, mode);
case VEC_SELECT:
if (!VECTOR_MODE_P (mode))
{
- if (!VECTOR_MODE_P (GET_MODE (trueop0))
- || (mode
- != GET_MODE_INNER (GET_MODE (trueop0)))
- || GET_CODE (trueop1) != PARALLEL
- || XVECLEN (trueop1, 0) != 1
- || GET_CODE (XVECEXP (trueop1, 0, 0)) != CONST_INT)
- abort ();
+ gcc_assert (VECTOR_MODE_P (GET_MODE (trueop0)));
+ gcc_assert (mode == GET_MODE_INNER (GET_MODE (trueop0)));
+ gcc_assert (GET_CODE (trueop1) == PARALLEL);
+ gcc_assert (XVECLEN (trueop1, 0) == 1);
+ gcc_assert (GET_CODE (XVECEXP (trueop1, 0, 0)) == CONST_INT);
if (GET_CODE (trueop0) == CONST_VECTOR)
- return CONST_VECTOR_ELT (trueop0, INTVAL (XVECEXP (trueop1, 0, 0)));
+ return CONST_VECTOR_ELT (trueop0, INTVAL (XVECEXP
+ (trueop1, 0, 0)));
}
else
{
- if (!VECTOR_MODE_P (GET_MODE (trueop0))
- || (GET_MODE_INNER (mode)
- != GET_MODE_INNER (GET_MODE (trueop0)))
- || GET_CODE (trueop1) != PARALLEL)
- abort ();
+ gcc_assert (VECTOR_MODE_P (GET_MODE (trueop0)));
+ gcc_assert (GET_MODE_INNER (mode)
+ == GET_MODE_INNER (GET_MODE (trueop0)));
+ gcc_assert (GET_CODE (trueop1) == PARALLEL);
if (GET_CODE (trueop0) == CONST_VECTOR)
{
rtvec v = rtvec_alloc (n_elts);
unsigned int i;
- if (XVECLEN (trueop1, 0) != (int) n_elts)
- abort ();
+ gcc_assert (XVECLEN (trueop1, 0) == (int) n_elts);
for (i = 0; i < n_elts; i++)
{
rtx x = XVECEXP (trueop1, 0, i);
- if (GET_CODE (x) != CONST_INT)
- abort ();
- RTVEC_ELT (v, i) = CONST_VECTOR_ELT (trueop0, INTVAL (x));
+ gcc_assert (GET_CODE (x) == CONST_INT);
+ RTVEC_ELT (v, i) = CONST_VECTOR_ELT (trueop0,
+ INTVAL (x));
}
return gen_rtx_CONST_VECTOR (mode, v);
? GET_MODE (trueop1)
: GET_MODE_INNER (mode));
- if (!VECTOR_MODE_P (mode)
- || (GET_MODE_SIZE (op0_mode) + GET_MODE_SIZE (op1_mode)
- != GET_MODE_SIZE (mode)))
- abort ();
-
- if ((VECTOR_MODE_P (op0_mode)
- && (GET_MODE_INNER (mode)
- != GET_MODE_INNER (op0_mode)))
- || (!VECTOR_MODE_P (op0_mode)
- && GET_MODE_INNER (mode) != op0_mode))
- abort ();
-
- if ((VECTOR_MODE_P (op1_mode)
- && (GET_MODE_INNER (mode)
- != GET_MODE_INNER (op1_mode)))
- || (!VECTOR_MODE_P (op1_mode)
- && GET_MODE_INNER (mode) != op1_mode))
- abort ();
+ gcc_assert (VECTOR_MODE_P (mode));
+ gcc_assert (GET_MODE_SIZE (op0_mode) + GET_MODE_SIZE (op1_mode)
+ == GET_MODE_SIZE (mode));
+
+ if (VECTOR_MODE_P (op0_mode))
+ gcc_assert (GET_MODE_INNER (mode)
+ == GET_MODE_INNER (op0_mode));
+ else
+ gcc_assert (GET_MODE_INNER (mode) == op0_mode);
+
+ if (VECTOR_MODE_P (op1_mode))
+ gcc_assert (GET_MODE_INNER (mode)
+ == GET_MODE_INNER (op1_mode));
+ else
+ gcc_assert (GET_MODE_INNER (mode) == op1_mode);
if ((GET_CODE (trueop0) == CONST_VECTOR
|| GET_CODE (trueop0) == CONST_INT
return 0;
default:
- abort ();
+ gcc_unreachable ();
}
return 0;
return 0;
default:
- abort ();
+ gcc_unreachable ();
}
val = trunc_int_for_mode (val, mode);
/* Like simplify_binary_operation except used for relational operators.
MODE is the mode of the result. If MODE is VOIDmode, both operands must
- also be VOIDmode.
+ not also be VOIDmode.
CMP_MODE specifies in which mode the comparison is done in, so it is
the mode of the operands. If CMP_MODE is VOIDmode, it is taken from
tem = simplify_const_relational_operation (code, cmp_mode, op0, op1);
if (tem)
{
-#ifdef FLOAT_STORE_FLAG_VALUE
if (GET_MODE_CLASS (mode) == MODE_FLOAT)
{
if (tem == const0_rtx)
return CONST0_RTX (mode);
- else if (GET_MODE_CLASS (mode) == MODE_FLOAT)
- {
- REAL_VALUE_TYPE val;
- val = FLOAT_STORE_FLAG_VALUE (mode);
- return CONST_DOUBLE_FROM_REAL_VALUE (val, mode);
- }
+#ifdef FLOAT_STORE_FLAG_VALUE
+ {
+ REAL_VALUE_TYPE val;
+ val = FLOAT_STORE_FLAG_VALUE (mode);
+ return CONST_DOUBLE_FROM_REAL_VALUE (val, mode);
+ }
+#else
+ return NULL_RTX;
+#endif
}
+ if (VECTOR_MODE_P (mode))
+ {
+ if (tem == const0_rtx)
+ return CONST0_RTX (mode);
+#ifdef VECTOR_STORE_FLAG_VALUE
+ {
+ int i, units;
+ rtvec c;
+
+ rtx val = VECTOR_STORE_FLAG_VALUE (mode);
+ if (val == NULL_RTX)
+ return NULL_RTX;
+ if (val == const1_rtx)
+ return CONST1_RTX (mode);
+
+ units = GET_MODE_NUNITS (mode);
+ v = rtvec_alloc (units);
+ for (i = 0; i < units; i++)
+ RTVEC_ELT (v, i) = val;
+ return gen_rtx_raw_CONST_VECTOR (mode, v);
+ }
+#else
+ return NULL_RTX;
#endif
+ }
return tem;
}
rtx trueop0;
rtx trueop1;
- if (mode == VOIDmode
- && (GET_MODE (op0) != VOIDmode
- || GET_MODE (op1) != VOIDmode))
- abort ();
+ gcc_assert (mode != VOIDmode
+ || (GET_MODE (op0) == VOIDmode
+ && GET_MODE (op1) == VOIDmode));
/* If op0 is a compare, extract the comparison arguments from it. */
if (GET_CODE (op0) == COMPARE && op1 == const0_rtx)
case UNORDERED:
return const0_rtx;
default:
- abort ();
+ gcc_unreachable ();
}
}
\f
break;
case VEC_MERGE:
- if (GET_MODE (op0) != mode
- || GET_MODE (op1) != mode
- || !VECTOR_MODE_P (mode))
- abort ();
+ gcc_assert (GET_MODE (op0) == mode);
+ gcc_assert (GET_MODE (op1) == mode);
+ gcc_assert (VECTOR_MODE_P (mode));
op2 = avoid_constant_pool_reference (op2);
if (GET_CODE (op2) == CONST_INT)
{
break;
default:
- abort ();
+ gcc_unreachable ();
}
return 0;
elems = &op;
elem_bitsize = max_bitsize;
}
-
- if (BITS_PER_UNIT % value_bit != 0)
- abort (); /* Too complicated; reducing value_bit may help. */
- if (elem_bitsize % BITS_PER_UNIT != 0)
- abort (); /* I don't know how to handle endianness of sub-units. */
+ /* If this asserts, it is too complicated; reducing value_bit may help. */
+ gcc_assert (BITS_PER_UNIT % value_bit == 0);
+ /* I don't know how to handle endianness of sub-units. */
+ gcc_assert (elem_bitsize % BITS_PER_UNIT == 0);
for (elem = 0; elem < num_elem; elem++)
{
{
/* If this triggers, someone should have generated a
CONST_INT instead. */
- if (elem_bitsize <= HOST_BITS_PER_WIDE_INT)
- abort ();
+ gcc_assert (elem_bitsize > HOST_BITS_PER_WIDE_INT);
for (i = 0; i < HOST_BITS_PER_WIDE_INT; i += value_bit)
*vp++ = CONST_DOUBLE_LOW (el) >> i;
for (; i < max_bitsize; i += value_bit)
*vp++ = 0;
}
- else if (GET_MODE_CLASS (GET_MODE (el)) == MODE_FLOAT)
+ else
{
long tmp[max_bitsize / 32];
int bitsize = GET_MODE_BITSIZE (GET_MODE (el));
-
- if (bitsize > elem_bitsize)
- abort ();
- if (bitsize % value_bit != 0)
- abort ();
+
+ gcc_assert (GET_MODE_CLASS (GET_MODE (el)) == MODE_FLOAT);
+ gcc_assert (bitsize <= elem_bitsize);
+ gcc_assert (bitsize % value_bit == 0);
real_to_target (tmp, CONST_DOUBLE_REAL_VALUE (el),
GET_MODE (el));
for (; i < elem_bitsize; i += value_bit)
*vp++ = 0;
}
- else
- abort ();
break;
default:
- abort ();
+ gcc_unreachable ();
}
}
/* BYTE should still be inside OP. (Note that BYTE is unsigned,
so if it's become negative it will instead be very large.) */
- if (byte >= GET_MODE_SIZE (innermode))
- abort ();
+ gcc_assert (byte < GET_MODE_SIZE (innermode));
/* Convert from bytes to chunks of size value_bit. */
value_start = byte * (BITS_PER_UNIT / value_bit);
outer_class = GET_MODE_CLASS (outer_submode);
elem_bitsize = GET_MODE_BITSIZE (outer_submode);
- if (elem_bitsize % value_bit != 0)
- abort ();
- if (elem_bitsize + value_start * value_bit > max_bitsize)
- abort ();
+ gcc_assert (elem_bitsize % value_bit == 0);
+ gcc_assert (elem_bitsize + value_start * value_bit <= max_bitsize);
for (elem = 0; elem < num_elem; elem++)
{
break;
default:
- abort ();
+ gcc_unreachable ();
}
}
if (VECTOR_MODE_P (outermode))
enum machine_mode innermode, unsigned int byte)
{
/* Little bit of sanity checking. */
- if (innermode == VOIDmode || outermode == VOIDmode
- || innermode == BLKmode || outermode == BLKmode)
- abort ();
+ gcc_assert (innermode != VOIDmode);
+ gcc_assert (outermode != VOIDmode);
+ gcc_assert (innermode != BLKmode);
+ gcc_assert (outermode != BLKmode);
- if (GET_MODE (op) != innermode
- && GET_MODE (op) != VOIDmode)
- abort ();
+ gcc_assert (GET_MODE (op) == innermode
+ || GET_MODE (op) == VOIDmode);
- if (byte % GET_MODE_SIZE (outermode)
- || byte >= GET_MODE_SIZE (innermode))
- abort ();
+ gcc_assert ((byte % GET_MODE_SIZE (outermode)) == 0);
+ gcc_assert (byte < GET_MODE_SIZE (innermode));
if (outermode == innermode && !byte)
return op;
{
rtx newx;
/* Little bit of sanity checking. */
- if (innermode == VOIDmode || outermode == VOIDmode
- || innermode == BLKmode || outermode == BLKmode)
- abort ();
+ gcc_assert (innermode != VOIDmode);
+ gcc_assert (outermode != VOIDmode);
+ gcc_assert (innermode != BLKmode);
+ gcc_assert (outermode != BLKmode);
- if (GET_MODE (op) != innermode
- && GET_MODE (op) != VOIDmode)
- abort ();
+ gcc_assert (GET_MODE (op) == innermode
+ || GET_MODE (op) == VOIDmode);
- if (byte % GET_MODE_SIZE (outermode)
- || byte >= GET_MODE_SIZE (innermode))
- abort ();
+ gcc_assert ((byte % GET_MODE_SIZE (outermode)) == 0);
+ gcc_assert (byte < GET_MODE_SIZE (innermode));
newx = simplify_subreg (outermode, op, innermode, byte);
if (newx)
return newx;
- if (GET_CODE (op) == SUBREG || GET_MODE (op) == VOIDmode)
+ if (GET_CODE (op) == SUBREG || GET_MODE (op) == VOIDmode
+ || (REG_P (op) && REGNO (op) < FIRST_PSEUDO_REGISTER))
return NULL_RTX;
return gen_rtx_SUBREG (outermode, op, byte);
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