[llvm-commits] CVS: llvm/lib/VMCore/AsmWriter.cpp
Jim Laskey
jlaskey at apple.com
Wed Aug 17 12:33:42 PDT 2005
Changes in directory llvm/lib/VMCore:
AsmWriter.cpp updated: 1.180 -> 1.181
---
Log message:
Culling out use of unions for converting FP to bits and vice versa.
---
Diffs of the changes: (+2 -10)
AsmWriter.cpp | 12 ++----------
1 files changed, 2 insertions(+), 10 deletions(-)
Index: llvm/lib/VMCore/AsmWriter.cpp
diff -u llvm/lib/VMCore/AsmWriter.cpp:1.180 llvm/lib/VMCore/AsmWriter.cpp:1.181
--- llvm/lib/VMCore/AsmWriter.cpp:1.180 Sat Jun 18 13:34:52 2005
+++ llvm/lib/VMCore/AsmWriter.cpp Wed Aug 17 14:33:31 2005
@@ -29,6 +29,7 @@
#include "llvm/Support/CFG.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/STLExtras.h"
+#include "llvm/Support/MathExtras.h"
#include <algorithm>
using namespace llvm;
@@ -431,18 +432,9 @@
// Otherwise we could not reparse it to exactly the same value, so we must
// output the string in hexadecimal format!
- //
- // Behave nicely in the face of C TBAA rules... see:
- // http://www.nullstone.com/htmls/category/aliastyp.htm
- //
- union {
- double D;
- uint64_t U;
- } V;
- V.D = CFP->getValue();
assert(sizeof(double) == sizeof(uint64_t) &&
"assuming that double is 64 bits!");
- Out << "0x" << utohexstr(V.U);
+ Out << "0x" << utohexstr(DoubleToBits(CFP->getValue()));
} else if (isa<ConstantAggregateZero>(CV)) {
Out << "zeroinitializer";
More information about the llvm-commits
mailing list