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real.c (do_add): Initialize signalling and canonical members.

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* real.c (do_add): Initialize signalling and canonical members.

	* real.c (real_from_integer): Zero out destination.

From-SVN: r94228
This commit is contained in:
J"orn Rennecke 2005-01-25 20:21:59 +00:00 committed by Joern Rennecke
parent ed464869fa
commit 1c67347332
2 changed files with 10 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-01-25 J"orn Rennecke <joern.rennecke@st.com>
* real.c (do_add): Initialize signalling and canonical members.
* real.c (real_from_integer): Zero out destination.
2005-01-18 Jan Hubicka <jh@suse.cz>
PR tree-optimize/19337

7
gcc/real.c
View File

@ -640,6 +640,9 @@ do_add (REAL_VALUE_TYPE *r, const REAL_VALUE_TYPE *a,
r->cl = rvc_normal;
r->sign = sign;
SET_REAL_EXP (r, exp);
/* Zero out the remaining fields. */
r->signalling = 0;
r->canonical = 0;
/* Re-normalize the result. */
normalize (r);
@ -1957,6 +1960,7 @@ real_from_integer (REAL_VALUE_TYPE *r, enum machine_mode mode,
get_zero (r, 0);
else
{
memset (r, 0, sizeof (*r));
r->cl = rvc_normal;
r->sign = high < 0 && !unsigned_p;
SET_REAL_EXP (r, 2 * HOST_BITS_PER_WIDE_INT);
@ -1974,7 +1978,6 @@ real_from_integer (REAL_VALUE_TYPE *r, enum machine_mode mode,
{
r->sig[SIGSZ-1] = high;
r->sig[SIGSZ-2] = low;
memset (r->sig, 0, sizeof(long)*(SIGSZ-2));
}
else
{
@ -1983,8 +1986,6 @@ real_from_integer (REAL_VALUE_TYPE *r, enum machine_mode mode,
r->sig[SIGSZ-2] = high;
r->sig[SIGSZ-3] = low >> (HOST_BITS_PER_LONG - 1) >> 1;
r->sig[SIGSZ-4] = low;
if (SIGSZ > 4)
memset (r->sig, 0, sizeof(long)*(SIGSZ-4));
}
normalize (r);