diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index 5339b30154ed1..4b0fec6473b67 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -2198,6 +2198,20 @@ libc_math_function(
     ],
 )
 
+libc_math_function(
+    name = "acosf16",
+    additional_deps = [
+        ":__support_fputil_cast",
+        ":__support_fputil_fma",
+        ":__support_fputil_multiply_add",
+        ":__support_fputil_nearest_integer",
+        ":__support_fputil_polyeval",
+        ":__support_fputil_sqrt",
+        ":__support_macros_optimization",
+        ":inv_trigf_utils",
+    ],
+)
+
 libc_math_function(
     name = "acoshf",
     additional_deps = [
@@ -2226,6 +2240,20 @@ libc_math_function(
     ],
 )
 
+libc_math_function(
+    name = "asinf16",
+    additional_deps = [
+        ":__support_fputil_cast",
+        ":__support_fputil_fma",
+        ":__support_fputil_multiply_add",
+        ":__support_fputil_nearest_integer",
+        ":__support_fputil_polyeval",
+        ":__support_fputil_sqrt",
+        ":__support_macros_optimization",
+        ":inv_trigf_utils",
+    ],
+)
+
 libc_math_function(
     name = "asinhf",
     additional_deps = [
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel
index 764c845435611..2154e71018226 100644
--- a/utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel
@@ -47,6 +47,11 @@ math_mpfr_test(
     hdrs = ["CeilTest.h"],
 )
 
+math_mpfr_test(
+    name = "ceilf16",
+    hdrs = ["CeilTest.h"],
+)
+
 math_mpfr_test(name = "cos")
 
 math_mpfr_test(
@@ -144,6 +149,21 @@ math_mpfr_test(
     hdrs = ["AddTest.h"],
 )
 
+math_mpfr_test(
+    name = "f16add",
+    hdrs = ["AddTest.h"],
+)
+
+math_mpfr_test(
+    name = "f16addf",
+    hdrs = ["AddTest.h"],
+)
+
+math_mpfr_test(
+    name = "f16addl",
+    hdrs = ["AddTest.h"],
+)
+
 math_mpfr_test(
     name = "fdiv",
     hdrs = ["DivTest.h"],
@@ -154,6 +174,21 @@ math_mpfr_test(
     hdrs = ["DivTest.h"],
 )
 
+math_mpfr_test(
+    name = "f16div",
+    hdrs = ["DivTest.h"],
+)
+
+math_mpfr_test(
+    name = "f16divf",
+    hdrs = ["DivTest.h"],
+)
+
+math_mpfr_test(
+    name = "f16divl",
+    hdrs = ["DivTest.h"],
+)
+
 # TODO: Add ffma, ffmal test.  Missing stdlib/rand dependency.
 
 math_mpfr_test(
@@ -171,8 +206,21 @@ math_mpfr_test(
     hdrs = ["FloorTest.h"],
 )
 
+math_mpfr_test(
+    name = "floorf16",
+    hdrs = ["FloorTest.h"],
+)
+
 # TODO: Add fma, fmaf, fmal, fmul, fmull tests.  Missing stdlib/rand dependency.
 
+# math_mpfr_test(name = "f16mul")
+# math_mpfr_test(name = "f16mulf")
+# math_mpfr_test(name = "f16mull")
+
+# math_mpfr_test(name = "f16fma")
+# math_mpfr_test(name = "f16fmaf")
+# math_mpfr_test(name = "f16fmal")
+
 math_mpfr_test(
     name = "frexp",
     hdrs = ["FrexpTest.h"],
@@ -208,6 +256,21 @@ math_mpfr_test(
     hdrs = ["SubTest.h"],
 )
 
+math_mpfr_test(
+    name = "f16sub",
+    hdrs = ["SubTest.h"],
+)
+
+math_mpfr_test(
+    name = "f16subf",
+    hdrs = ["SubTest.h"],
+)
+
+math_mpfr_test(
+    name = "f16subl",
+    hdrs = ["SubTest.h"],
+)
+
 math_mpfr_test(
     name = "hypot",
     hdrs = ["HypotTest.h"],
@@ -236,6 +299,11 @@ math_mpfr_test(
     hdrs = ["RoundToIntegerTest.h"],
 )
 
+math_mpfr_test(
+    name = "llrintf16",
+    hdrs = ["RoundToIntegerTest.h"],
+)
+
 math_mpfr_test(
     name = "llround",
     hdrs = ["RoundToIntegerTest.h"],
@@ -251,6 +319,16 @@ math_mpfr_test(
     hdrs = ["RoundToIntegerTest.h"],
 )
 
+math_mpfr_test(
+    name = "lroundf16",
+    hdrs = ["RoundToIntegerTest.h"],
+)
+
+math_mpfr_test(
+    name = "llroundf16",
+    hdrs = ["RoundToIntegerTest.h"],
+)
+
 math_mpfr_test(name = "log")
 
 math_mpfr_test(name = "logf")
@@ -282,6 +360,11 @@ math_mpfr_test(
     hdrs = ["RoundToIntegerTest.h"],
 )
 
+math_mpfr_test(
+    name = "lrintf16",
+    hdrs = ["RoundToIntegerTest.h"],
+)
+
 math_mpfr_test(
     name = "lround",
     hdrs = ["RoundToIntegerTest.h"],
@@ -323,6 +406,14 @@ math_mpfr_test(
     ],
 )
 
+math_mpfr_test(
+    name = "nearbyintf16",
+    hdrs = ["NearbyIntTest.h"],
+    deps = [
+        "//libc:__support_cpp_array",
+    ],
+)
+
 math_mpfr_test(name = "pow")
 
 math_mpfr_test(name = "powf")
@@ -357,6 +448,11 @@ math_mpfr_test(
     hdrs = ["RIntTest.h"],
 )
 
+math_mpfr_test(
+    name = "rintf16",
+    hdrs = ["RIntTest.h"],
+)
+
 math_mpfr_test(
     name = "roundeven",
     hdrs = ["RoundEvenTest.h"],
@@ -372,6 +468,11 @@ math_mpfr_test(
     hdrs = ["RoundEvenTest.h"],
 )
 
+math_mpfr_test(
+    name = "roundevenf16",
+    hdrs = ["RoundEvenTest.h"],
+)
+
 math_mpfr_test(
     name = "round",
     hdrs = ["RoundTest.h"],
@@ -387,6 +488,11 @@ math_mpfr_test(
     hdrs = ["RoundTest.h"],
 )
 
+math_mpfr_test(
+    name = "roundf16",
+    hdrs = ["RoundTest.h"],
+)
+
 math_mpfr_test(name = "sin")
 
 math_mpfr_test(
@@ -437,6 +543,21 @@ math_mpfr_test(
     hdrs = ["SqrtTest.h"],
 )
 
+math_mpfr_test(
+    name = "f16sqrt",
+    hdrs = ["SqrtTest.h"],
+)
+
+math_mpfr_test(
+    name = "f16sqrtf",
+    hdrs = ["SqrtTest.h"],
+)
+
+math_mpfr_test(
+    name = "f16sqrtl",
+    hdrs = ["SqrtTest.h"],
+)
+
 math_mpfr_test(name = "tan")
 
 math_mpfr_test(
@@ -463,3 +584,46 @@ math_mpfr_test(
     name = "truncl",
     hdrs = ["TruncTest.h"],
 )
+
+math_mpfr_test(
+    name = "truncf16",
+    hdrs = ["TruncTest.h"],
+)
+
+math_mpfr_test(name = "cosf16")
+
+math_mpfr_test(name = "cospif16")
+
+math_mpfr_test(name = "sinf16")
+
+math_mpfr_test(name = "sinpif16")
+
+math_mpfr_test(name = "tanf16")
+
+math_mpfr_test(name = "tanpif16")
+
+math_mpfr_test(name = "expf16")
+
+math_mpfr_test(name = "exp2f16")
+
+math_mpfr_test(name = "exp2m1f16")
+
+math_mpfr_test(name = "exp10f16")
+
+math_mpfr_test(name = "exp10m1f16")
+
+math_mpfr_test(name = "asinf16")
+
+math_mpfr_test(name = "acosf16")
+
+math_mpfr_test(name = "coshf16")
+
+math_mpfr_test(name = "sinhf16")
+
+math_mpfr_test(name = "tanhf16")
+
+math_mpfr_test(name = "logf16")
+
+math_mpfr_test(name = "log2f16")
+
+math_mpfr_test(name = "log10f16")
diff --git a/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
index c56f3c7cf4f34..803548178b0e3 100644
--- a/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel
@@ -14,8 +14,12 @@ math_test(name = "acosf")
 
 math_test(name = "acoshf")
 
+math_test(name = "acosf16")
+
 math_test(name = "asinf")
 
+math_test(name = "asinf16")
+
 math_test(name = "asinhf")
 
 math_test(name = "atan2")