diff --git a/SPIRV/GlslangToSpv.cpp b/SPIRV/GlslangToSpv.cpp
index e1babc1..7fa0ecf 100755
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -2531,6 +2531,13 @@
         unaryOp = spv::OpIsInf;
         break;
 
+    case glslang::EOpFloatBitsToInt:
+    case glslang::EOpFloatBitsToUint:
+    case glslang::EOpIntBitsToFloat:
+    case glslang::EOpUintBitsToFloat:
+        unaryOp = spv::OpBitcast;
+        break;
+
     case glslang::EOpPackSnorm2x16:
         libCall = spv::GLSLstd450PackSnorm2x16;
         break;