diff options
Diffstat (limited to 'gdb/ieee-float.c')
| -rw-r--r-- | gdb/ieee-float.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/gdb/ieee-float.c b/gdb/ieee-float.c index 4a2c04c..224d0cf 100644 --- a/gdb/ieee-float.c +++ b/gdb/ieee-float.c @@ -34,30 +34,30 @@ ieee_extended_to_double (ext_format, from, to) { unsigned char *ufrom = (unsigned char *)from; double dto; - unsigned long mant0, mant1, exp; + unsigned long mant0, mant1, exponent; bcopy (&from[MANBYTE_H], &mant0, 4); bcopy (&from[MANBYTE_L], &mant1, 4); - exp = ((ufrom[EXPBYTE_H] & (unsigned char)~SIGNMASK) << 8) | ufrom[EXPBYTE_L]; + exponent = ((ufrom[EXPBYTE_H] & (unsigned char)~SIGNMASK) << 8) | ufrom[EXPBYTE_L]; #if 0 /* We can't do anything useful with a NaN anyway, so ignore its difference. It will end up as Infinity or something close. */ - if (exp == EXT_EXP_NAN) { + if (exponent == EXT_EXP_NAN) { /* We have a NaN source. */ dto = 0.123456789; /* Not much else useful to do -- we don't know if the host system even *has* NaNs, nor how to generate an innocuous one if it does. */ } else #endif - if (exp == 0 && mant0 == 0 && mant1 == 0) { + if (exponent == 0 && mant0 == 0 && mant1 == 0) { dto = 0; } else { /* Build the result algebraically. Might go infinite, underflow, etc; who cares. */ mant0 |= 0x80000000; - dto = ldexp ((double)mant0, exp - EXT_EXP_BIAS - 31); - dto += ldexp ((double)mant1, exp - EXT_EXP_BIAS - 31 - 32); + dto = ldexp ((double)mant0, exponent - EXT_EXP_BIAS - 31); + dto += ldexp ((double)mant1, exponent - EXT_EXP_BIAS - 31 - 32); if (ufrom[EXPBYTE_H] & SIGNMASK) /* If negative... */ dto = -dto; /* ...negate. */ } @@ -75,7 +75,7 @@ double_to_ieee_extended (ext_format, from, to) { double dfrom = *from; unsigned long twolongs[2]; - unsigned long mant0, mant1, exp; + unsigned long mant0, mant1, exponent; unsigned char twobytes[2]; bzero (to, TOTALSIZE); @@ -97,27 +97,27 @@ double_to_ieee_extended (ext_format, from, to) bcopy (from, twolongs, 8); bcopy (from, twobytes, 2); #if HOST_BYTE_ORDER == BIG_ENDIAN - exp = ((twobytes[1] & 0xF0) >> 4) | (twobytes[0] & 0x7F) << 4; + exponent = ((twobytes[1] & 0xF0) >> 4) | (twobytes[0] & 0x7F) << 4; mant0 = (twolongs[0] << 11) | twolongs[1] >> 21; mant1 = (twolongs[1] << 11); #else - exp = ((twobytes[0] & 0xF0) >> 4) | (twobytes[1] & 0x7F) << 4; + exponent = ((twobytes[0] & 0xF0) >> 4) | (twobytes[1] & 0x7F) << 4; mant0 = (twolongs[1] << 11) | twolongs[0] >> 21; mant1 = (twolongs[0] << 11); #endif /* Fiddle with leading 1-bit, implied in double, explicit in extended. */ - if (exp == 0) + if (exponent == 0) mant0 &= 0x7FFFFFFF; else mant0 |= 0x80000000; - exp -= DBL_EXP_BIAS; /* Get integer exp */ - exp += EXT_EXP_BIAS; /* Offset for extended *&/ + exponent -= DBL_EXP_BIAS; /* Get integer exp */ + exponent += EXT_EXP_BIAS; /* Offset for extended */ /* OK, now store it in extended format. */ - to[EXPBYTE_H] |= (unsigned char)(exp >> 8); /* Retain sign */ - to[EXPBYTE_L] = (unsigned char) exp; + to[EXPBYTE_H] |= (unsigned char)(exponent >> 8); /* Retain sign */ + to[EXPBYTE_L] = (unsigned char) exponent; bcopy (&mant0, &to[MANBYTE_H], 4); bcopy (&mant1, &to[MANBYTE_L], 4); |