[llvm-commits] [llvm] r57203 - /llvm/trunk/lib/Support/APFloat.cpp

[Dale Johannesen]

Author: johannes
Date: Mon Oct  6 15:43:48 2008
New Revision: 57203

URL: http://llvm.org/viewvc/llvm-project?rev=57203&view=rev
Log:
Temporarily revert functionality change from my previous patch;
it is too aggressive.


Modified:
    llvm/trunk/lib/Support/APFloat.cpp

Modified: llvm/trunk/lib/Support/APFloat.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/APFloat.cpp?rev=57203&r1=57202&r2=57203&view=diff

==============================================================================
--- llvm/trunk/lib/Support/APFloat.cpp (original)
+++ llvm/trunk/lib/Support/APFloat.cpp Mon Oct  6 15:43:48 2008
@@ -1727,12 +1727,11 @@
       APInt::tcShiftLeft(significandParts(), newPartCount, shift);
     else if (shift < 0)
       APInt::tcShiftRight(significandParts(), newPartCount, -shift);
-    // If the new size is shorter, we lost information.
-    fs = (shift < 0) ? opInexact : opOK;
     // gcc forces the Quiet bit on, which means (float)(double)(float_sNan)
     // does not give you back the same bits.  This is dubious, and we
     // don't currently do it.  You're really supposed to get
     // an invalid operation signal at runtime, but nobody does that.
+    fs = opOK;
   } else {
     semantics = &toSemantics;
     fs = opOK;