diff --git a/libc/shared/math.h b/libc/shared/math.h
index 01233cb6ef30..ef006c668f3a 100644
--- a/libc/shared/math.h
+++ b/libc/shared/math.h
@@ -75,6 +75,8 @@
 #include "math/coshf16.h"
 #include "math/cospif.h"
 #include "math/cospif16.h"
+#include "math/daddf128.h"
+#include "math/daddl.h"
 #include "math/dfmaf128.h"
 #include "math/dfmal.h"
 #include "math/dsqrtl.h"
diff --git a/libc/shared/math/daddf128.h b/libc/shared/math/daddf128.h
new file mode 100644
index 000000000000..ae0fd22e6f8e
--- /dev/null
+++ b/libc/shared/math/daddf128.h
@@ -0,0 +1,29 @@
+//===-- Shared daddf128 function --------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SHARED_MATH_DADDF128_H
+#define LLVM_LIBC_SHARED_MATH_DADDF128_H
+
+#include "include/llvm-libc-types/float128.h"
+
+#ifdef LIBC_TYPES_HAS_FLOAT128
+
+#include "shared/libc_common.h"
+#include "src/__support/math/daddf128.h"
+
+namespace LIBC_NAMESPACE_DECL {
+namespace shared {
+
+using math::daddf128;
+
+} // namespace shared
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LIBC_TYPES_HAS_FLOAT128
+
+#endif // LLVM_LIBC_SHARED_MATH_DADDF128_H
diff --git a/libc/shared/math/daddl.h b/libc/shared/math/daddl.h
new file mode 100644
index 000000000000..4ad4444e06fb
--- /dev/null
+++ b/libc/shared/math/daddl.h
@@ -0,0 +1,23 @@
+//===-- Shared daddl function -----------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SHARED_MATH_DADDL_H
+#define LLVM_LIBC_SHARED_MATH_DADDL_H
+
+#include "shared/libc_common.h"
+#include "src/__support/math/daddl.h"
+
+namespace LIBC_NAMESPACE_DECL {
+namespace shared {
+
+using math::daddl;
+
+} // namespace shared
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SHARED_MATH_DADDL_H
diff --git a/libc/src/__support/math/CMakeLists.txt b/libc/src/__support/math/CMakeLists.txt
index 4fe6232e8a8c..abac483e40fa 100644
--- a/libc/src/__support/math/CMakeLists.txt
+++ b/libc/src/__support/math/CMakeLists.txt
@@ -881,6 +881,25 @@ add_header_library(
     libc.src.__support.macros.optimization
 )
 
+add_header_library(
+  daddf128
+  HDRS
+    daddf128.h
+  DEPENDS
+    libc.include.llvm-libc-types.float128
+    libc.src.__support.FPUtil.generic.add_sub
+    libc.src.__support.macros.config
+)
+
+add_header_library(
+  daddl
+  HDRS
+    daddl.h
+  DEPENDS
+    libc.src.__support.FPUtil.generic.add_sub
+    libc.src.__support.macros.config
+)
+
 add_header_library(
   dsqrtl
   HDRS
diff --git a/libc/src/__support/math/daddf128.h b/libc/src/__support/math/daddf128.h
new file mode 100644
index 000000000000..3937250e5c6b
--- /dev/null
+++ b/libc/src/__support/math/daddf128.h
@@ -0,0 +1,31 @@
+//===-- Implementation header for daddf128 ----------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_DADDF128_H
+#define LLVM_LIBC_SRC___SUPPORT_MATH_DADDF128_H
+
+#include "include/llvm-libc-types/float128.h"
+
+#ifdef LIBC_TYPES_HAS_FLOAT128
+
+#include "src/__support/FPUtil/generic/add_sub.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+namespace math {
+
+LIBC_INLINE double daddf128(float128 x, float128 y) {
+  return fputil::generic::add<double>(x, y);
+}
+
+} // namespace math
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LIBC_TYPES_HAS_FLOAT128
+
+#endif // LLVM_LIBC_SRC___SUPPORT_MATH_DADDF128_H
diff --git a/libc/src/__support/math/daddl.h b/libc/src/__support/math/daddl.h
new file mode 100644
index 000000000000..e8bec7b975fb
--- /dev/null
+++ b/libc/src/__support/math/daddl.h
@@ -0,0 +1,25 @@
+//===-- Implementation header for daddl -------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC___SUPPORT_MATH_DADDL_H
+#define LLVM_LIBC_SRC___SUPPORT_MATH_DADDL_H
+
+#include "src/__support/FPUtil/generic/add_sub.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+namespace math {
+
+LIBC_INLINE double daddl(long double x, long double y) {
+  return fputil::generic::add<double>(x, y);
+}
+
+} // namespace math
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC___SUPPORT_MATH_DADDL_H
diff --git a/libc/src/math/generic/CMakeLists.txt b/libc/src/math/generic/CMakeLists.txt
index 9b3c6814a223..8aaeea0565ee 100644
--- a/libc/src/math/generic/CMakeLists.txt
+++ b/libc/src/math/generic/CMakeLists.txt
@@ -185,7 +185,7 @@ add_entrypoint_object(
   HDRS
     ../daddl.h
   DEPENDS
-    libc.src.__support.FPUtil.generic.add_sub
+    libc.src.__support.math.daddl
 )
 
 add_entrypoint_object(
@@ -195,8 +195,7 @@ add_entrypoint_object(
   HDRS
     ../daddf128.h
  DEPENDS
-    libc.src.__support.macros.properties.types
-    libc.src.__support.FPUtil.generic.add_sub
+    libc.src.__support.math.daddf128
 )
 
 add_entrypoint_object(
diff --git a/libc/src/math/generic/daddf128.cpp b/libc/src/math/generic/daddf128.cpp
index 6edba3b8f5e4..10b3ec6c30c6 100644
--- a/libc/src/math/generic/daddf128.cpp
+++ b/libc/src/math/generic/daddf128.cpp
@@ -7,14 +7,12 @@
 //===----------------------------------------------------------------------===//
 
 #include "src/math/daddf128.h"
-#include "src/__support/FPUtil/generic/add_sub.h"
-#include "src/__support/common.h"
-#include "src/__support/macros/config.h"
+#include "src/__support/math/daddf128.h"
 
 namespace LIBC_NAMESPACE_DECL {
 
 LLVM_LIBC_FUNCTION(double, daddf128, (float128 x, float128 y)) {
-  return fputil::generic::add<double>(x, y);
+  return math::daddf128(x, y);
 }
 
 } // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/daddl.cpp b/libc/src/math/generic/daddl.cpp
index 708de3833869..3bafa1ee301e 100644
--- a/libc/src/math/generic/daddl.cpp
+++ b/libc/src/math/generic/daddl.cpp
@@ -7,14 +7,12 @@
 //===----------------------------------------------------------------------===//
 
 #include "src/math/daddl.h"
-#include "src/__support/FPUtil/generic/add_sub.h"
-#include "src/__support/common.h"
-#include "src/__support/macros/config.h"
+#include "src/__support/math/daddl.h"
 
 namespace LIBC_NAMESPACE_DECL {
 
 LLVM_LIBC_FUNCTION(double, daddl, (long double x, long double y)) {
-  return fputil::generic::add<double>(x, y);
+  return math::daddl(x, y);
 }
 
 } // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/test/shared/CMakeLists.txt b/libc/test/shared/CMakeLists.txt
index 2777c2dddfd7..bfacee9cecac 100644
--- a/libc/test/shared/CMakeLists.txt
+++ b/libc/test/shared/CMakeLists.txt
@@ -72,6 +72,8 @@ add_fp_unittest(
     libc.src.__support.math.coshf16
     libc.src.__support.math.cospif
     libc.src.__support.math.cospif16
+    libc.src.__support.math.daddf128
+    libc.src.__support.math.daddl
     libc.src.__support.math.dfmaf128
     libc.src.__support.math.dfmal
     libc.src.__support.math.dsqrtl
diff --git a/libc/test/shared/shared_math_test.cpp b/libc/test/shared/shared_math_test.cpp
index 0bbf8aa15338..d958529d04fb 100644
--- a/libc/test/shared/shared_math_test.cpp
+++ b/libc/test/shared/shared_math_test.cpp
@@ -316,6 +316,7 @@ TEST(LlvmLibcSharedMathTest, AllLongDouble) {
 
   EXPECT_FP_EQ(bfloat16(0.0), LIBC_NAMESPACE::shared::bf16mull(0.0L, 0.0L));
   EXPECT_FP_EQ(0x0p+0L, LIBC_NAMESPACE::shared::ceill(0.0L));
+  EXPECT_FP_EQ(0x0p+0L, LIBC_NAMESPACE::shared::daddl(0.0L, 0.0L));
   EXPECT_FP_EQ(0x0p+0L, LIBC_NAMESPACE::shared::faddl(0.0L, 0.0L));
   EXPECT_FP_EQ(0x0p+0L, LIBC_NAMESPACE::shared::fdiml(0.0L, 0.0L));
   EXPECT_FP_EQ(0x0p+0L, LIBC_NAMESPACE::shared::floorl(0.0L));
@@ -375,6 +376,7 @@ TEST(LlvmLibcSharedMathTest, AllFloat128) {
   EXPECT_EQ(0, LIBC_NAMESPACE::shared::canonicalizef128(&canonicalizef128_cx,
                                                         &canonicalizef128_x));
   EXPECT_FP_EQ(float128(0.0), canonicalizef128_cx);
+
   EXPECT_FP_EQ(bfloat16(0.0), LIBC_NAMESPACE::shared::bf16subf128(
                                   float128(0.0), float128(0.0)));
   EXPECT_FP_EQ(bfloat16(0.0), LIBC_NAMESPACE::shared::bf16fmaf128(
@@ -384,6 +386,8 @@ TEST(LlvmLibcSharedMathTest, AllFloat128) {
   EXPECT_FP_EQ(bfloat16(2.0), LIBC_NAMESPACE::shared::bf16divf128(
                                   float128(4.0), float128(2.0)));
   EXPECT_FP_EQ(float128(0.0), LIBC_NAMESPACE::shared::ceilf128(float128(0.0)));
+  EXPECT_FP_EQ(float128(0.0),
+               LIBC_NAMESPACE::shared::daddf128(float128(0.0), float128(0.0)));
   EXPECT_FP_EQ(float128(0.0),
                LIBC_NAMESPACE::shared::faddf128(float128(0.0), float128(0.0)));
   EXPECT_FP_EQ(float128(0.0), LIBC_NAMESPACE::shared::floorf128(float128(0.0)));
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index 852481640124..b90b37429b12 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -3716,6 +3716,25 @@ libc_support_library(
     ],
 )
 
+libc_support_library(
+    name = "__support_math_daddf128",
+    hdrs = ["src/__support/math/daddf128.h"],
+    deps = [
+        ":__support_fputil_basic_operations",
+        ":__support_macros_config",
+        ":llvm_libc_types_float128",
+    ],
+)
+
+libc_support_library(
+    name = "__support_math_daddl",
+    hdrs = ["src/__support/math/daddl.h"],
+    deps = [
+        ":__support_fputil_basic_operations",
+        ":__support_macros_config",
+    ],
+)
+
 libc_support_library(
     name = "__support_math_dsqrtl",
     hdrs = ["src/__support/math/dsqrtl.h"],
@@ -6646,10 +6665,18 @@ libc_math_function(
     ],
 )
 
-libc_math_function(name = "daddl")
+libc_math_function(
+    name = "daddl",
+    additional_deps = [
+        ":__support_math_daddl",
+    ],
+)
 
 libc_math_function(
     name = "daddf128",
+    additional_deps = [
+        ":__support_math_daddf128",
+    ],
 )
 
 libc_math_function(name = "ddivl")