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Fixed warnings about shifting a negative value

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This commit is contained in:
Maciej Suminski
2016-10-14 23:41:11 +01:00
committed by Martin Whitaker
parent dbc536c4fb
commit 6e460a6a3f
4 changed files with 12 additions and 12 deletions
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vvp/vthread.cc
+3 -3
View File
@@ -3771,9 +3771,9 @@ bool of_MOD_S(vthread_t thr, vvp_code_t)
/* Sign extend the signed operands when needed. */
if (wid < 8*sizeof(long long)) {
if (lv & (1LL << (wid-1)))
lv |= -1LL << wid;
lv |= -1ULL << wid;
if (rv & (1LL << (wid-1)))
rv |= -1LL << wid;
rv |= -1ULL << wid;
}
lv %= rv;
@@ -3925,7 +3925,7 @@ static bool of_PARTI_base(vthread_t thr, vvp_code_t cp, bool signed_flag)
// NOTE: This is treating the vector as signed. Is that correct?
int32_t use_base = base;
if (signed_flag && bwid < 32 && (base&(1<<(bwid-1)))) {
use_base |= (-1) << bwid;
use_base |= -1UL << bwid;
}
if (use_base >= (int32_t)value.size()) {
vvp/vvp_net.cc
+7 -7
View File
@@ -987,8 +987,8 @@ void vvp_vector4_t::resize(unsigned newsize, vvp_bit4_t pad_bit)
// no need for re-allocation so we are done now.
if (newsize > size_) {
if (unsigned fill = size_ % BITS_PER_WORD) {
abits_ptr_[cnt-1] &= ~((-1L) << fill);
bbits_ptr_[cnt-1] &= ~((-1L) << fill);
abits_ptr_[cnt-1] &= ~((-1UL) << fill);
bbits_ptr_[cnt-1] &= ~((-1UL) << fill);
abits_ptr_[cnt-1] |= word_pad_abits << fill;
bbits_ptr_[cnt-1] |= word_pad_bbits << fill;
}
@@ -1018,9 +1018,9 @@ void vvp_vector4_t::resize(unsigned newsize, vvp_bit4_t pad_bit)
if (newsize > size_) {
if (unsigned fill = size_ % BITS_PER_WORD) {
newbits[cnt-1] &= ~((-1L) << fill);
newbits[cnt-1] &= ~((-1UL) << fill);
newbits[cnt-1] |= word_pad_abits << fill;
newbits[newcnt+cnt-1] &= ~((-1L) << fill);
newbits[newcnt+cnt-1] &= ~((-1UL) << fill);
newbits[newcnt+cnt-1] |= word_pad_bbits << fill;
}
for (unsigned idx = cnt ; idx < newcnt ; idx += 1)
@@ -1043,8 +1043,8 @@ void vvp_vector4_t::resize(unsigned newsize, vvp_bit4_t pad_bit)
}
if (newsize > size_) {
abits_val_ &= ~((-1L) << size_);
bbits_val_ &= ~((-1L) << size_);
abits_val_ &= ~((-1UL) << size_);
bbits_val_ &= ~((-1UL) << size_);
abits_val_ |= word_pad_abits << size_;
bbits_val_ |= word_pad_bbits << size_;
}
@@ -2018,7 +2018,7 @@ template <class INT>bool vector4_to_value(const vvp_vector4_t&vec, INT&val,
if (is_signed && vec.value(vec.size()-1) == BIT4_1) {
if (vec.size() < 8*sizeof(val))
res |= (~static_cast<INT>(0)) << vec.size();
res |= static_cast<INT>(-1ULL << vec.size());
}
val = res;