[llvm-commits] CVS: llvm/lib/Support/APInt.cpp
Chris Lattner
sabre at nondot.org
Thu May 3 11:15:54 PDT 2007
Changes in directory llvm/lib/Support:
APInt.cpp updated: 1.78 -> 1.79
---
Log message:
silence some annoying gcc 4.3 warnings
---
Diffs of the changes: (+10 -7)
APInt.cpp | 17 ++++++++++-------
1 files changed, 10 insertions(+), 7 deletions(-)
Index: llvm/lib/Support/APInt.cpp
diff -u llvm/lib/Support/APInt.cpp:1.78 llvm/lib/Support/APInt.cpp:1.79
--- llvm/lib/Support/APInt.cpp:1.78 Fri Apr 13 19:00:10 2007
+++ llvm/lib/Support/APInt.cpp Thu May 3 13:15:36 2007
@@ -1066,11 +1066,12 @@
// If all the bits were shifted out, the result is, technically, undefined.
// We return -1 if it was negative, 0 otherwise. We check this early to avoid
// issues in the algorithm below.
- if (shiftAmt == BitWidth)
+ if (shiftAmt == BitWidth) {
if (isNegative())
return APInt(BitWidth, -1ULL);
else
return APInt(BitWidth, 0);
+ }
// Create some space for the result.
uint64_t * val = new uint64_t[getNumWords()];
@@ -1108,7 +1109,7 @@
// Deal with sign extenstion in the break word, and possibly the word before
// it.
- if (isNegative())
+ if (isNegative()) {
if (wordShift > bitsInWord) {
if (breakWord > 0)
val[breakWord-1] |=
@@ -1116,6 +1117,7 @@
val[breakWord] |= ~0ULL;
} else
val[breakWord] |= (~0ULL << (bitsInWord - wordShift));
+ }
}
// Remaining words are 0 or -1, just assign them.
@@ -1128,11 +1130,12 @@
/// Logical right-shift this APInt by shiftAmt.
/// @brief Logical right-shift function.
APInt APInt::lshr(uint32_t shiftAmt) const {
- if (isSingleWord())
+ if (isSingleWord()) {
if (shiftAmt == BitWidth)
return APInt(BitWidth, 0);
else
return APInt(BitWidth, this->VAL >> shiftAmt);
+ }
// If all the bits were shifted out, the result is 0. This avoids issues
// with shifting by the size of the integer type, which produces undefined
@@ -1760,10 +1763,10 @@
bool isNeg = str[0] == '-';
if (isNeg)
str++, slen--;
- assert(slen <= numbits || radix != 2 && "Insufficient bit width");
- assert(slen*3 <= numbits || radix != 8 && "Insufficient bit width");
- assert(slen*4 <= numbits || radix != 16 && "Insufficient bit width");
- assert((slen*64)/22 <= numbits || radix != 10 && "Insufficient bit width");
+ assert((slen <= numbits || radix != 2) && "Insufficient bit width");
+ assert((slen*3 <= numbits || radix != 8) && "Insufficient bit width");
+ assert((slen*4 <= numbits || radix != 16) && "Insufficient bit width");
+ assert(((slen*64)/22 <= numbits || radix != 10) && "Insufficient bit width");
// Allocate memory
if (!isSingleWord())
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