diff --git a/compilers/gcc.nix b/compilers/gcc.nix
new file mode 100644
index 0000000..19bbd28
--- /dev/null
+++ b/compilers/gcc.nix
@@ -0,0 +1,21 @@
+{ stdenv, buildPackages
+, fetchurl, gmp, mpfr, libmpc, platform, platform-binutils
+}:
+
+stdenv.mkDerivation rec {
+  basename = "gcc";
+  version = "9.1.0";
+  name = "${basename}-${platform}-${version}";
+  src = fetchurl {
+    url = "https://ftp.gnu.org/gnu/gcc/gcc-${version}/gcc-${version}.tar.xz";
+    sha256 = "1817nc2bqdc251k0lpc51cimna7v68xjrnvqzvc50q3ax4s6i9kr";
+  };
+  configureFlags =
+    [ "--target=${platform}-unknown-elf" "--disable-libgcc" "--disable-libssp" "--enable-languages=c"
+      "--with-as=${platform-binutils}/bin/${platform}-unknown-elf-as"
+      "--with-ld=${platform-binutils}/bin/${platform}-unknown-elf-ld" ];
+  outputs = [ "out" "info" "man" ];
+  hardeningDisable = [ "format" "pie" ];
+  propagatedBuildInputs = [ gmp mpfr libmpc platform-binutils ];
+  enableParallelBuilding = true;
+}
diff --git a/default.nix b/default.nix
index 31fb8c9..a9d7872 100644
--- a/default.nix
+++ b/default.nix
@@ -17,7 +17,9 @@ rec {
     heavycomps = pkgs.callPackage ./heavycomps.nix { inherit nmigen; };
 
     binutils-riscv32 = pkgs.callPackage ./compilers/binutils.nix { platform = "riscv32"; };
+    gcc-riscv32 = pkgs.callPackage ./compilers/gcc.nix { platform = "riscv32"; platform-binutils = binutils-riscv32; };
     binutils-riscv64 = pkgs.callPackage ./compilers/binutils.nix { platform = "riscv64"; };
+    gcc-riscv64 = pkgs.callPackage ./compilers/gcc.nix { platform = "riscv64"; platform-binutils = binutils-riscv64; };
     rust-riscv32imc-crates = pkgs.callPackage ./compilers/rust-riscv32imc-crates.nix { };
 
     fw-helloworld = pkgs.callPackage ./firmware { inherit rust-riscv32i-crates binutils-riscv32; };