tmp: [Xtensa] Implement remaining floating point intrinsics

Author: gerekon

clang/test/CodeGen/Xtensa/xtensa-gen-intrinsics.c

@@ -1,3 +1,6 @@
+# Fails on Winodws due to incorrectly built command line: `'(': command not found`, so disable it temporarily
+# UNSUPPORTED: system-windows
+
 # RUN: python3 %s > %t && ( %clang_cc1 -Dxtfloat=float -O0 -triple=xtensa %t -o - -emit-llvm | FileCheck %t )
 
 FIXTURES = [