[llvm-commits] [llvm] r132782 - /llvm/trunk/utils/TableGen/NeonEmitter.cpp

[Bob Wilson]

Author: bwilson
Date: Thu Jun  9 11:57:29 2011
New Revision: 132782

URL: http://llvm.org/viewvc/llvm-project?rev=132782&view=rev
Log:
Add special-case range checking for VCVT_N intrinsic immediate operands.
Radar 9558930.

Modified:
    llvm/trunk/utils/TableGen/NeonEmitter.cpp

Modified: llvm/trunk/utils/TableGen/NeonEmitter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/NeonEmitter.cpp?rev=132782&r1=132781&r2=132782&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/NeonEmitter.cpp (original)
+++ llvm/trunk/utils/TableGen/NeonEmitter.cpp Thu Jun  9 11:57:29 2011
@@ -1398,9 +1398,14 @@
     for (unsigned ti = 0, te = TypeVec.size(); ti != te; ++ti) {
       std::string namestr, shiftstr, rangestr;
 
-      // Builtins which are overloaded by type will need to have their upper
-      // bound computed at Sema time based on the type constant.
-      if (Proto.find('s') == std::string::npos) {
+      if (R->getValueAsBit("isVCVT_N")) {
+        // VCVT between floating- and fixed-point values takes an immediate
+        // in the range 1 to 32.
+        ck = ClassB;
+        rangestr = "l = 1; u = 31"; // upper bound = l + u
+      } else if (Proto.find('s') == std::string::npos) {
+        // Builtins which are overloaded by type will need to have their upper
+        // bound computed at Sema time based on the type constant.
         ck = ClassB;
         if (R->getValueAsBit("isShift")) {
           shiftstr = ", true";