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authoramodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4>2004-03-04 10:23:23 +0000
committeramodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4>2004-03-04 10:23:23 +0000
commit773d69917577e5c6708f7005e2055bf7347a2ec1 (patch)
tree2a5b34507a773fc68de86a6f3a19dec1a8df7b3e /gcc/real.c
parent7262f0b8f13f7befe0dedc0755d61fc0a9fd8516 (diff)
downloadgcc-773d69917577e5c6708f7005e2055bf7347a2ec1.tar.gz
* real.c (encode_ibm_extended): Don't bother rounding low double.
* c-cppbuiltin.c (builtin_define_float_constants): Tweak MAX when fmt->pnan < fmt->p. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@78900 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/real.c')
-rw-r--r--gcc/real.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/real.c b/gcc/real.c
index ed671db0e4d..d578ace0883 100644
--- a/gcc/real.c
+++ b/gcc/real.c
@@ -3248,7 +3248,9 @@ encode_ibm_extended (const struct real_format *fmt, long *buf,
if (u.class == rvc_normal)
{
do_add (&v, &normr, &u, 1);
- round_for_format (base_fmt, &v);
+ /* The low double won't need rounding, since we round to a 106 bit
+ mantissa before calling this function, and we've just
+ subtracted off the top 54 bits. (53+1 because u is rounded.) */
encode_ieee_double (base_fmt, &buf[2], &v);
}
else