[Power9] [CLANG] Add __float128 exponent GET and SET builtins

Added

__builtin_vsx_scalar_extract_expq
__builtin_vsx_scalar_insert_exp_qp

Builtins should behave the same way as in GCC.

Differential Revision: https://reviews.llvm.org/D48184

llvm-svn: 342911

diff --git a/clang/include/clang/Basic/BuiltinsPPC.def b/clang/include/clang/Basic/BuiltinsPPC.def
index 6791e18..d31cb06 100644 (file)
--- a/clang/include/clang/Basic/BuiltinsPPC.def
+++ b/clang/include/clang/Basic/BuiltinsPPC.def
@@ -431,6 +431,8 @@ BUILTIN(__builtin_mulf128_round_to_odd, "LLdLLdLLd", "")
 BUILTIN(__builtin_divf128_round_to_odd, "LLdLLdLLd", "")
 BUILTIN(__builtin_fmaf128_round_to_odd, "LLdLLdLLdLLd", "")
 BUILTIN(__builtin_truncf128_round_to_odd, "dLLd", "")
+BUILTIN(__builtin_vsx_scalar_extract_expq, "ULLiLLd", "")
+BUILTIN(__builtin_vsx_scalar_insert_exp_qp, "LLdLLdULLi", "")
 
 // HTM builtins
 BUILTIN(__builtin_tbegin, "UiUIi", "")

diff --git a/clang/test/CodeGen/builtins-ppc-p9-f128.c b/clang/test/CodeGen/builtins-ppc-p9-f128.c
index c43915a..d0c89ce 100644 (file)
--- a/clang/test/CodeGen/builtins-ppc-p9-f128.c
+++ b/clang/test/CodeGen/builtins-ppc-p9-f128.c
@@ -48,3 +48,15 @@ double testTruncOdd() {
 // CHECK-NEXT: ret double
 }
 
+__float128 insert_exp_qp(unsigned long long int b) {
+  return __builtin_vsx_scalar_insert_exp_qp(A, b);
+// CHECK: @llvm.ppc.scalar.insert.exp.qp(fp128 %{{.+}}, i64
+// CHECK-NEXT: ret fp128
+}
+
+unsigned long long int extract_exp() {
+  return __builtin_vsx_scalar_extract_expq(A);
+// CHECK: @llvm.ppc.scalar.extract.expq(fp128
+// CHECK-NEXT: ret i64
+}
+