Changes in directory llvm/lib/Support:
APInt.cpp updated: 1.27 -> 1.28
---
Log message:
Fix the carry in addition.
---
Diffs of the changes: (+2 -2)
APInt.cpp | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
Index: llvm/lib/Support/APInt.cpp
diff -u llvm/lib/Support/APInt.cpp:1.27 llvm/lib/Support/APInt.cpp:1.28
--- llvm/lib/Support/APInt.cpp:1.27 Tue Feb 20 21:55:44 2007
+++ llvm/lib/Support/APInt.cpp Tue Feb 20 23:44:56 2007
@@ -192,9 +192,9 @@
static uint64_t add(uint64_t dest[], uint64_t x[], uint64_t y[], uint32_t len)
{
uint64_t carry = 0;
for (uint32_t i = 0; i< len; ++i) {
- uint64_t save = std::max(x[i],y[i]);
dest[i] = x[i] + y[i] + carry;
- carry = dest[i] < save ? 1 : 0;
+ uint64_t limit = std::min(x[i],y[i]);
+ carry = dest[i] < limit || (carry && dest[i] == limit);
}
return carry;
}
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