[Lldb-commits] [PATCH] D15333: Enable half2float() on windows.
Phabricator via lldb-commits
lldb-commits at lists.llvm.org
Thu Dec 10 02:14:55 PST 2015
This revision was automatically updated to reflect the committed changes.
Closed by commit rL255237: Differential Revision: http://reviews.llvm.org/D15333 (authored by aidandodds).
Changed prior to commit:
http://reviews.llvm.org/D15333?vs=42167&id=42401#toc
Repository:
rL LLVM
http://reviews.llvm.org/D15333
Files:
lldb/trunk/source/Core/DataExtractor.cpp
Index: lldb/trunk/source/Core/DataExtractor.cpp
===================================================================
--- lldb/trunk/source/Core/DataExtractor.cpp
+++ lldb/trunk/source/Core/DataExtractor.cpp
@@ -14,6 +14,7 @@
#include <limits>
#include <sstream>
#include <string>
+#include <math.h>
#include "clang/AST/ASTContext.h"
@@ -1405,24 +1406,21 @@
return offset;
}
-static float half2float (uint16_t half)
+static float
+half2float (uint16_t half)
{
-#ifdef _MSC_VER
- llvm_unreachable("half2float not implemented for MSVC");
-#else
- union{ float f; uint32_t u;}u;
+ union { float f; uint32_t u; } u;
int32_t v = (int16_t) half;
-
- if( 0 == (v & 0x7c00))
+
+ if (0 == (v & 0x7c00))
{
u.u = v & 0x80007FFFU;
return u.f * ldexpf(1, 125);
}
-
+
v <<= 13;
u.u = v | 0x70000000U;
return u.f * ldexpf(1, -112);
-#endif
}
lldb::offset_t
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