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simplify code

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37280 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-05-22 06:47:11 +00:00
parent 7a857dd06e
commit 86fd6304ac
1 changed files with 2 additions and 11 deletions
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13
lib/AsmParser/Lexer.l
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@ -27,6 +27,7 @@
%{ %{
#include "ParserInternals.h" #include "ParserInternals.h"
#include "llvm/Module.h" #include "llvm/Module.h"
#include "llvm/Support/MathExtras.h"
#include <list> #include <list>
#include "llvmAsmParser.h" #include "llvmAsmParser.h"
#include <cctype> #include <cctype>
@ -95,17 +96,7 @@ static uint64_t HexIntToVal(const char *Buffer) {
// point representation of it. // point representation of it.
// //
static double HexToFP(const char *Buffer) { static double HexToFP(const char *Buffer) {
// Behave nicely in the face of C TBAA rules... see: return BitsToDouble(HexIntToVal(Buffer)); // Cast Hex constant to double
// http://www.nullstone.com/htmls/category/aliastyp.htm
union {
uint64_t UI;
double FP;
} UIntToFP;
UIntToFP.UI = HexIntToVal(Buffer);
assert(sizeof(double) == sizeof(uint64_t) &&
"Data sizes incompatible on this target!");
return UIntToFP.FP; // Cast Hex constant to double
} }