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authorJan Hubicka <jh@suse.cz>2018-08-30 14:58:42 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2018-08-30 12:58:42 +0000
commita5f4d3d6a1379ad4a806e65b2fc7ac86bbaf72ae (patch)
tree36987055a6347d3f684dd6e9707d49cf4a97dd2b /gcc/sreal.c
parentb1d5f644929182de05cf2bb940a6c417ec28f29a (diff)
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sreal.h (SREAL_PART_BITS): Change to 31; remove seemingly unnecessary comment that it has to be even number.
* sreal.h (SREAL_PART_BITS): Change to 31; remove seemingly unnecessary comment that it has to be even number. (class sreal): Change m_sig type to int32_t. * sreal.c (sreal::dump, sreal::to_int, opreator+, operator-): Use int64_t for temporary calculations. (sreal_verify_basics): Drop one bit from minimum and maximum. From-SVN: r263981
Diffstat (limited to 'gcc/sreal.c')
-rw-r--r--gcc/sreal.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/gcc/sreal.c b/gcc/sreal.c
index 925b065..e17d93a 100644
--- a/gcc/sreal.c
+++ b/gcc/sreal.c
@@ -64,7 +64,7 @@ along with GCC; see the file COPYING3. If not see
void
sreal::dump (FILE *file) const
{
- fprintf (file, "(%" PRIi64 " * 2^%d)", m_sig, m_exp);
+ fprintf (file, "(%" PRIi64 " * 2^%d)", (int64_t)m_sig, m_exp);
}
DEBUG_FUNCTION void
@@ -114,7 +114,7 @@ sreal::to_int () const
if (m_exp >= SREAL_PART_BITS)
return sign * INTTYPE_MAXIMUM (int64_t);
if (m_exp > 0)
- return sign * (SREAL_ABS (m_sig) << m_exp);
+ return sign * (SREAL_ABS ((int64_t)m_sig) << m_exp);
if (m_exp < 0)
return m_sig >> -m_exp;
return m_sig;
@@ -167,7 +167,7 @@ sreal::operator+ (const sreal &other) const
bb = &tmp;
}
- r_sig = a_p->m_sig + bb->m_sig;
+ r_sig = a_p->m_sig + (int64_t)bb->m_sig;
sreal r (r_sig, r_exp);
return r;
}
@@ -211,7 +211,7 @@ sreal::operator- (const sreal &other) const
bb = &tmp;
}
- r_sig = sign * ((int64_t) a_p->m_sig - bb->m_sig);
+ r_sig = sign * ((int64_t) a_p->m_sig - (int64_t)bb->m_sig);
sreal r (r_sig, r_exp);
return r;
}
@@ -277,15 +277,15 @@ namespace selftest {
static void
sreal_verify_basics (void)
{
- sreal minimum = INT_MIN;
- sreal maximum = INT_MAX;
+ sreal minimum = INT_MIN/2;
+ sreal maximum = INT_MAX/2;
sreal seven = 7;
sreal minus_two = -2;
sreal minus_nine = -9;
- ASSERT_EQ (INT_MIN, minimum.to_int ());
- ASSERT_EQ (INT_MAX, maximum.to_int ());
+ ASSERT_EQ (INT_MIN/2, minimum.to_int ());
+ ASSERT_EQ (INT_MAX/2, maximum.to_int ());
ASSERT_FALSE (minus_two < minus_two);
ASSERT_FALSE (seven < seven);