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author | Jan Hubicka <jh@suse.cz> | 2018-08-30 14:58:42 +0200 |
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committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2018-08-30 12:58:42 +0000 |
commit | a5f4d3d6a1379ad4a806e65b2fc7ac86bbaf72ae (patch) | |
tree | 36987055a6347d3f684dd6e9707d49cf4a97dd2b /gcc/sreal.c | |
parent | b1d5f644929182de05cf2bb940a6c417ec28f29a (diff) | |
download | gcc-a5f4d3d6a1379ad4a806e65b2fc7ac86bbaf72ae.zip gcc-a5f4d3d6a1379ad4a806e65b2fc7ac86bbaf72ae.tar.gz gcc-a5f4d3d6a1379ad4a806e65b2fc7ac86bbaf72ae.tar.bz2 |
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.c | 16 |
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); |