--- /usr/portage/dev-lang/rust-bin/rust-bin-1.60.0.ebuild	2022-04-25 19:40:01.000000000 +0100
+++ rust-bin-1.60.0.ebuild	2022-05-06 15:32:26.228521819 +0100
@@ -12,6 +12,7 @@
 DESCRIPTION="Systems programming language from Mozilla"
 HOMEPAGE="https://www.rust-lang.org/"
 SRC_URI="$(rust_all_arch_uris ${MY_P})
+	abi_x86_x32? ( "${RUST_TOOLCHAIN_BASEURL%/}/2022-04-07/rust-std-${PV}-x86_64-unknown-linux-gnux32.tar.xz" )
 	rust-src? ( ${MY_SRC_URI} )
 "
 
@@ -32,7 +33,10 @@
 	verify-sig? ( sec-keys/openpgp-keys-rust )
 "
 
-REQUIRED_USE="x86? ( cpu_flags_x86_sse2 )"
+REQUIRED_USE="
+	x86? ( cpu_flags_x86_sse2 )
+	abi_x86_x32? ( abi_x86_64 )
+"
 
 QA_PREBUILT="
 	opt/${P}/bin/.*
@@ -68,7 +72,10 @@
 
 	default_src_unpack
 
-	mv "${WORKDIR}/${MY_P}-$(rust_abi)" "${S}" || die
+	# x32 is provided as a target for the amd64 install
+	if [[ "${ABI}" != x32 ]]; then
+		mv "${WORKDIR}/${MY_P}-$(rust_abi)" "${S}" || die
+	fi
 }
 
 patchelf_for_bin() {
@@ -94,6 +101,12 @@
 	use clippy && components="${components},clippy-preview"
 	use rls && components="${components},rls-preview,${analysis}"
 	use rustfmt && components="${components},rustfmt-preview"
+	if use abi_x86_x32; then
+		einfo "Adding x32 target to x86-64 rust"
+		mv -v "${WORKDIR}/rust-std-${PV}-x86_64-unknown-linux-gnux32/rust-std-x86_64-unknown-linux-gnux32" "${S}" || die
+		echo rust-std-x86_64-unknown-linux-gnux32 >> ./components || die
+		components="${components},rust-std-x86_64-unknown-linux-gnux32"
+	fi
 	# Rust component 'rust-src' is extracted from separate archive
 	if use rust-src; then
 		einfo "Combining rust and rust-src installers"
@@ -188,11 +201,13 @@
 	#end native abi install
 
 	else
-		local rust_target
-		rust_target="$(rust_abi $(get_abi_CHOST ${v##*.}))"
-		dodir "/opt/${P}/lib/rustlib"
-		cp -vr "${WORKDIR}/rust-${PV}-${rust_target}/rust-std-${rust_target}/lib/rustlib/${rust_target}"\
-			"${ED}/opt/${P}/lib/rustlib" || die
+		if [[ "${ABI}" != x32 ]]; then
+			local rust_target
+			rust_target="$(rust_abi $(get_abi_CHOST ${v##*.}))"
+			dodir "/opt/${P}/lib/rustlib"
+			cp -vr "${WORKDIR}/rust-${PV}-${rust_target}/rust-std-${rust_target}/lib/rustlib/${rust_target}"\
+				"${ED}/opt/${P}/lib/rustlib" || die
+		fi
 	fi
 
 	# BUG: installs x86_64 binary on other arches