diff --git a/libc/src/__support/FPUtil/aarch64/FMA.h b/libc/src/__support/FPUtil/aarch64/FMA.h
--- a/libc/src/__support/FPUtil/aarch64/FMA.h
+++ b/libc/src/__support/FPUtil/aarch64/FMA.h
@@ -9,6 +9,7 @@
 #ifndef LLVM_LIBC_SRC_SUPPORT_FPUTIL_AARCH64_FMA_H
 #define LLVM_LIBC_SRC_SUPPORT_FPUTIL_AARCH64_FMA_H
 
+#include "src/__support/macros/attributes.h" // LIBC_INLINE
 #include "src/__support/macros/properties/architectures.h"
 #include "src/__support/macros/properties/cpu_features.h" // LIBC_TARGET_CPU_HAS_FMA
 
@@ -26,20 +27,20 @@
 namespace fputil {
 
 template <typename T>
-cpp::enable_if_t<cpp::is_same_v<T, float>, T> fma(T x, T y, T z) {
+LIBC_INLINE cpp::enable_if_t<cpp::is_same_v<T, float>, T> fma(T x, T y, T z) {
   float result;
-  __asm__ __volatile__("fmadd %s0, %s1, %s2, %s3\n\t"
-                       : "=w"(result)
-                       : "w"(x), "w"(y), "w"(z));
+  LIBC_INLINE_ASM("fmadd %s0, %s1, %s2, %s3\n\t"
+                  : "=w"(result)
+                  : "w"(x), "w"(y), "w"(z));
   return result;
 }
 
 template <typename T>
-cpp::enable_if_t<cpp::is_same_v<T, double>, T> fma(T x, T y, T z) {
+LIBC_INLINE cpp::enable_if_t<cpp::is_same_v<T, double>, T> fma(T x, T y, T z) {
   double result;
-  __asm__ __volatile__("fmadd %d0, %d1, %d2, %d3\n\t"
-                       : "=w"(result)
-                       : "w"(x), "w"(y), "w"(z));
+  LIBC_INLINE_ASM("fmadd %d0, %d1, %d2, %d3\n\t"
+                  : "=w"(result)
+                  : "w"(x), "w"(y), "w"(z));
   return result;
 }
 
diff --git a/libc/src/__support/FPUtil/riscv64/FMA.h b/libc/src/__support/FPUtil/riscv64/FMA.h
--- a/libc/src/__support/FPUtil/riscv64/FMA.h
+++ b/libc/src/__support/FPUtil/riscv64/FMA.h
@@ -9,6 +9,7 @@
 #ifndef LLVM_LIBC_SRC_SUPPORT_FPUTIL_RISCV64_FMA_H
 #define LLVM_LIBC_SRC_SUPPORT_FPUTIL_RISCV64_FMA_H
 
+#include "src/__support/macros/attributes.h" // LIBC_INLINE
 #include "src/__support/macros/properties/architectures.h"
 #include "src/__support/macros/properties/cpu_features.h" // LIBC_TARGET_CPU_HAS_FMA
 
@@ -26,20 +27,20 @@
 namespace fputil {
 
 template <typename T>
-cpp::enable_if_t<cpp::is_same_v<T, float>, T> fma(T x, T y, T z) {
+LIBC_INLINE cpp::enable_if_t<cpp::is_same_v<T, float>, T> fma(T x, T y, T z) {
   float result;
-  __asm__ __volatile__("fmadd.s %0, %1, %2, %3\n\t"
-                       : "=f"(result)
-                       : "f"(x), "f"(y), "f"(z));
+  LIBC_INLINE_ASM("fmadd.s %0, %1, %2, %3\n\t"
+                  : "=f"(result)
+                  : "f"(x), "f"(y), "f"(z));
   return result;
 }
 
 template <typename T>
-cpp::enable_if_t<cpp::is_same_v<T, double>, T> fma(T x, T y, T z) {
+LIBC_INLINE cpp::enable_if_t<cpp::is_same_v<T, double>, T> fma(T x, T y, T z) {
   double result;
-  __asm__ __volatile__("fmadd.d %0, %1, %2, %3\n\t"
-                       : "=f"(result)
-                       : "f"(x), "f"(y), "f"(z));
+  LIBC_INLINE_ASM("fmadd.d %0, %1, %2, %3\n\t"
+                  : "=f"(result)
+                  : "f"(x), "f"(y), "f"(z));
   return result;
 }
 
diff --git a/libc/src/__support/FPUtil/x86_64/FMA.h b/libc/src/__support/FPUtil/x86_64/FMA.h
--- a/libc/src/__support/FPUtil/x86_64/FMA.h
+++ b/libc/src/__support/FPUtil/x86_64/FMA.h
@@ -9,6 +9,7 @@
 #ifndef LLVM_LIBC_SRC_SUPPORT_FPUTIL_X86_64_FMA_H
 #define LLVM_LIBC_SRC_SUPPORT_FPUTIL_X86_64_FMA_H
 
+#include "src/__support/macros/attributes.h" // LIBC_INLINE
 #include "src/__support/macros/properties/architectures.h"
 #include "src/__support/macros/properties/cpu_features.h" // LIBC_TARGET_CPU_HAS_FMA
 
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -697,6 +697,7 @@
         ":__support_fputil_fenv_impl",
         ":__support_fputil_float_properties",
         ":__support_fputil_fp_bits",
+        ":__support_macros_attributes",
         ":__support_macros_optimization",
         ":__support_macros_properties_cpu_features",
         ":__support_uint128",