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When converting from 64 to 32-bits, use the actual number of words to

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extract the value, not the number of words implied by the active bits.
This fixes numerous, but not all divide bugs.

llvm-svn: 34484
This commit is contained in:
Reid Spencer 2007-02-22 00:58:45 +00:00
parent d51b03d452
commit cbff120eeb
1 changed files with 2 additions and 2 deletions
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4
lib/Support/APInt.cpp
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@ -1177,7 +1177,7 @@ void APInt::divide(const APInt LHS, uint32_t lhsWords,
uint32_t *U = new uint32_t[m + n + 1];
memset(U, 0, (m+n+1)*sizeof(uint32_t));
for (unsigned i = 0; i < lhsWords; ++i) {
uint64_t tmp = (lhsWords == 1 ? LHS.VAL : LHS.pVal[i]);
uint64_t tmp = (LHS.getNumWords() == 1 ? LHS.VAL : LHS.pVal[i]);
U[i * 2] = tmp & mask;
U[i * 2 + 1] = tmp >> (sizeof(uint32_t)*8);
}
@ -1186,7 +1186,7 @@ void APInt::divide(const APInt LHS, uint32_t lhsWords,
uint32_t *V = new uint32_t[n];
memset(V, 0, (n)*sizeof(uint32_t));
for (unsigned i = 0; i < rhsWords; ++i) {
uint64_t tmp = (rhsWords == 1 ? RHS.VAL : RHS.pVal[i]);
uint64_t tmp = (RHS.getNumWords() == 1 ? RHS.VAL : RHS.pVal[i]);
V[i * 2] = tmp & mask;
V[i * 2 + 1] = tmp >> (sizeof(uint32_t)*8);
}