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(ereal_from_int, ereal_to_int, etarsingle): Correct signed/unsigned discrepancies.

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(ereal_from_int, ereal_to_int, etarsingle):  Correct signed/unsigned
discrepancies.
(ereal_from_double): Avoid "right shift count too big" warning in previous
change.

From-SVN: r7313
This commit is contained in:
Richard Kenner 1994-05-16 17:51:44 -04:00
parent 04ae9e4ccd
commit 60e6116515
1 changed files with 21 additions and 27 deletions
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48
gcc/real.c
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@ -778,9 +778,9 @@ ereal_from_int (d, i, j)
high += 1;
}
eldexp (eone, HOST_BITS_PER_WIDE_INT, df);
ultoe (&high, dg);
ultoe ((unsigned HOST_WIDE_INT *) &high, dg);
emul (dg, df, dg);
ultoe (&low, df);
ultoe ((unsigned HOST_WIDE_INT *) &low, df);
eadd (df, dg, dg);
if (sign)
eneg (dg);
@ -838,9 +838,9 @@ ereal_to_int (low, high, rr)
}
eldexp (eone, HOST_BITS_PER_WIDE_INT, df);
ediv (df, d, dg); /* dg = d / 2^32 is the high word */
euifrac (dg, high, dh);
euifrac (dg, (unsigned HOST_WIDE_INT *) high, dh);
emul (df, dh, dg); /* fractional part is the low word */
euifrac (dg, low, dh);
euifrac (dg, (unsigned HOST_WIDE_INT *)low, dh);
if (s)
{
/* complement and add 1 */
@ -1040,7 +1040,7 @@ etarsingle (r)
REAL_VALUE_TYPE r;
{
unsigned EMUSHORT e[NE];
unsigned long l;
long l;
GET_REAL (&r, e);
etoe24 (e, e);
@ -5533,32 +5533,26 @@ ereal_from_double (d)
#if FLOAT_WORDS_BIG_ENDIAN
s[0] = (unsigned EMUSHORT) (d[0] >> 16);
s[1] = (unsigned EMUSHORT) d[0];
if (HOST_BITS_PER_WIDE_INT >= 64)
{
/* In this case the entire target double is contained in the
first array element. The second element of the input is ignored. */
s[2] = (unsigned EMUSHORT) (d[0] >> 48);
s[3] = (unsigned EMUSHORT) (d[0] >> 32);
}
else
{
s[2] = (unsigned EMUSHORT) (d[1] >> 16);
s[3] = (unsigned EMUSHORT) d[1];
}
#if HOST_BITS_PER_WIDE_INT == 32
s[2] = (unsigned EMUSHORT) (d[1] >> 16);
s[3] = (unsigned EMUSHORT) d[1];
#else
/* In this case the entire target double is contained in the
first array element. The second element of the input is ignored. */
s[2] = (unsigned EMUSHORT) (d[0] >> 48);
s[3] = (unsigned EMUSHORT) (d[0] >> 32);
#endif
#else
/* Target float words are little-endian. */
s[0] = (unsigned EMUSHORT) d[0];
s[1] = (unsigned EMUSHORT) (d[0] >> 16);
if (HOST_BITS_PER_WIDE_INT >= 64)
{
s[2] = (unsigned EMUSHORT) (d[0] >> 32);
s[3] = (unsigned EMUSHORT) (d[0] >> 48);
}
else
{
s[2] = (unsigned EMUSHORT) d[1];
s[3] = (unsigned EMUSHORT) (d[1] >> 16);
}
#if HOST_BITS_PER_WIDE_INT == 32
s[2] = (unsigned EMUSHORT) d[1];
s[3] = (unsigned EMUSHORT) (d[1] >> 16);
#else
s[2] = (unsigned EMUSHORT) (d[0] >> 32);
s[3] = (unsigned EMUSHORT) (d[0] >> 48);
#endif
#endif
/* Convert target double to E-type. */
e53toe (s, e);