/* Decimal floating point support.
- Copyright (C) 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 2005, 2006, 2007, 2008, 2009 Free Software
+ Foundation, Inc.
This file is part of GCC.
decNumber dn;
decimal32 d32;
decContext set;
+ int32_t image;
decContextDefault (&set, DEC_INIT_DECIMAL128);
set.traps = 0;
- decimal_to_decnumber (r, &dn);
+ decimal_to_decnumber (r, &dn);
decimal32FromNumber (&d32, &dn, &set);
- buf[0] = *(uint32_t *) d32.bytes;
+ memcpy (&image, d32.bytes, sizeof (int32_t));
+ buf[0] = image;
}
/* Decode an IEEE 754 decimal32 type into a real. */
decNumber dn;
decimal32 d32;
decContext set;
+ int32_t image;
decContextDefault (&set, DEC_INIT_DECIMAL128);
set.traps = 0;
- *((uint32_t *) d32.bytes) = (uint32_t) buf[0];
+ image = buf[0];
+ memcpy (&d32.bytes, &image, sizeof (int32_t));
decimal32ToNumber (&d32, &dn);
- decimal_from_decnumber (r, &dn, &set);
+ decimal_from_decnumber (r, &dn, &set);
}
/* Encode a real into an IEEE 754 decimal64 type. */
decNumber dn;
decimal64 d64;
decContext set;
+ int32_t image;
decContextDefault (&set, DEC_INIT_DECIMAL128);
set.traps = 0;
if (WORDS_BIGENDIAN == FLOAT_WORDS_BIG_ENDIAN)
{
- buf[0] = *(uint32_t *) &d64.bytes[0];
- buf[1] = *(uint32_t *) &d64.bytes[4];
+ memcpy (&image, &d64.bytes[0], sizeof (int32_t));
+ buf[0] = image;
+ memcpy (&image, &d64.bytes[4], sizeof (int32_t));
+ buf[1] = image;
}
else
{
- buf[0] = *(uint32_t *) &d64.bytes[4];
- buf[1] = *(uint32_t *) &d64.bytes[0];
+ memcpy (&image, &d64.bytes[4], sizeof (int32_t));
+ buf[0] = image;
+ memcpy (&image, &d64.bytes[0], sizeof (int32_t));
+ buf[1] = image;
}
}
void
decode_decimal64 (const struct real_format *fmt ATTRIBUTE_UNUSED,
REAL_VALUE_TYPE *r, const long *buf)
-{
+{
decNumber dn;
decimal64 d64;
decContext set;
+ int32_t image;
decContextDefault (&set, DEC_INIT_DECIMAL128);
set.traps = 0;
if (WORDS_BIGENDIAN == FLOAT_WORDS_BIG_ENDIAN)
{
- *((uint32_t *) &d64.bytes[0]) = (uint32_t) buf[0];
- *((uint32_t *) &d64.bytes[4]) = (uint32_t) buf[1];
+ image = buf[0];
+ memcpy (&d64.bytes[0], &image, sizeof (int32_t));
+ image = buf[1];
+ memcpy (&d64.bytes[4], &image, sizeof (int32_t));
}
else
{
- *((uint32_t *) &d64.bytes[0]) = (uint32_t) buf[1];
- *((uint32_t *) &d64.bytes[4]) = (uint32_t) buf[0];
+ image = buf[1];
+ memcpy (&d64.bytes[0], &image, sizeof (int32_t));
+ image = buf[0];
+ memcpy (&d64.bytes[4], &image, sizeof (int32_t));
}
decimal64ToNumber (&d64, &dn);
- decimal_from_decnumber (r, &dn, &set);
+ decimal_from_decnumber (r, &dn, &set);
}
/* Encode a real into an IEEE 754 decimal128 type. */
decNumber dn;
decContext set;
decimal128 d128;
+ int32_t image;
decContextDefault (&set, DEC_INIT_DECIMAL128);
set.traps = 0;
if (WORDS_BIGENDIAN == FLOAT_WORDS_BIG_ENDIAN)
{
- buf[0] = *(uint32_t *) &d128.bytes[0];
- buf[1] = *(uint32_t *) &d128.bytes[4];
- buf[2] = *(uint32_t *) &d128.bytes[8];
- buf[3] = *(uint32_t *) &d128.bytes[12];
+ memcpy (&image, &d128.bytes[0], sizeof (int32_t));
+ buf[0] = image;
+ memcpy (&image, &d128.bytes[4], sizeof (int32_t));
+ buf[1] = image;
+ memcpy (&image, &d128.bytes[8], sizeof (int32_t));
+ buf[2] = image;
+ memcpy (&image, &d128.bytes[12], sizeof (int32_t));
+ buf[3] = image;
}
else
{
- buf[0] = *(uint32_t *) &d128.bytes[12];
- buf[1] = *(uint32_t *) &d128.bytes[8];
- buf[2] = *(uint32_t *) &d128.bytes[4];
- buf[3] = *(uint32_t *) &d128.bytes[0];
+ memcpy (&image, &d128.bytes[12], sizeof (int32_t));
+ buf[0] = image;
+ memcpy (&image, &d128.bytes[8], sizeof (int32_t));
+ buf[1] = image;
+ memcpy (&image, &d128.bytes[4], sizeof (int32_t));
+ buf[2] = image;
+ memcpy (&image, &d128.bytes[0], sizeof (int32_t));
+ buf[3] = image;
}
}
decNumber dn;
decimal128 d128;
decContext set;
+ int32_t image;
decContextDefault (&set, DEC_INIT_DECIMAL128);
set.traps = 0;
if (WORDS_BIGENDIAN == FLOAT_WORDS_BIG_ENDIAN)
{
- *((uint32_t *) &d128.bytes[0]) = (uint32_t) buf[0];
- *((uint32_t *) &d128.bytes[4]) = (uint32_t) buf[1];
- *((uint32_t *) &d128.bytes[8]) = (uint32_t) buf[2];
- *((uint32_t *) &d128.bytes[12]) = (uint32_t) buf[3];
+ image = buf[0];
+ memcpy (&d128.bytes[0], &image, sizeof (int32_t));
+ image = buf[1];
+ memcpy (&d128.bytes[4], &image, sizeof (int32_t));
+ image = buf[2];
+ memcpy (&d128.bytes[8], &image, sizeof (int32_t));
+ image = buf[3];
+ memcpy (&d128.bytes[12], &image, sizeof (int32_t));
}
else
{
- *((uint32_t *) &d128.bytes[0]) = (uint32_t) buf[3];
- *((uint32_t *) &d128.bytes[4]) = (uint32_t) buf[2];
- *((uint32_t *) &d128.bytes[8]) = (uint32_t) buf[1];
- *((uint32_t *) &d128.bytes[12]) = (uint32_t) buf[0];
+ image = buf[3];
+ memcpy (&d128.bytes[0], &image, sizeof (int32_t));
+ image = buf[2];
+ memcpy (&d128.bytes[4], &image, sizeof (int32_t));
+ image = buf[1];
+ memcpy (&d128.bytes[8], &image, sizeof (int32_t));
+ image = buf[0];
+ memcpy (&d128.bytes[12], &image, sizeof (int32_t));
}
decimal128ToNumber (&d128, &dn);
- decimal_from_decnumber (r, &dn, &set);
+ decimal_from_decnumber (r, &dn, &set);
}
/* Helper function to convert from a binary real internal
decimal_from_binary (&b1, b);
b = &b1;
}
-
+
/* Convert into decNumber form for comparison operation. */
decContextDefault (&set, DEC_INIT_DECIMAL128);
- set.traps = 0;
+ set.traps = 0;
decimal128ToNumber ((const decimal128 *) a->sig, &dn2);
decimal128ToNumber ((const decimal128 *) b->sig, &dn3);
return 0;
else if (decNumberIsNegative (&dn))
return -1;
- else
+ else
return 1;
}
binary and decimal types. */
void
-decimal_real_convert (REAL_VALUE_TYPE *r, enum machine_mode mode,
+decimal_real_convert (REAL_VALUE_TYPE *r, enum machine_mode mode,
const REAL_VALUE_TYPE *a)
{
const struct real_format *fmt = REAL_MODE_FORMAT (mode);
if (subtract_p)
decNumberSubtract (&dn, &dn2, &dn3, &set);
- else
+ else
decNumberAdd (&dn, &dn2, &dn3, &set);
decimal_from_decnumber (r, &dn, &set);
void
decimal_real_maxval (REAL_VALUE_TYPE *r, int sign, enum machine_mode mode)
-{
+{
const char *max;
switch (mode)