From 012310aafb24e8ccdc0d979e79bf7c867a52e615 Mon Sep 17 00:00:00 2001
From: Christophe Lyon <christophe.lyon@arm.com>
Date: Wed, 23 Mar 2022 15:25:16 +0000
Subject: [PATCH] libgcc: enable DFP for AArch64

DFP support on AArch64 relies on libgcc, so enable its DFP routines
for all AArch64 targets.

2022-03-31  Christophe Lyon  <christophe.lyon@arm.com>

	libgcc/
	* config.host: Add t-dfprules to AArch64 targets.
---
 libgcc/config.host | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libgcc/config.host b/libgcc/config.host
index 8c56fcae5d2..927d34a9573 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -382,6 +382,7 @@ aarch64*-*-elf | aarch64*-*-rtems*)
 	tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
 	tmake_file="${tmake_file} ${cpu_type}/t-lse t-slibgcc-libgcc"
 	tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
+	tmake_file="${tmake_file} t-dfprules"
 	md_unwind_header=aarch64/aarch64-unwind.h
 	;;
 aarch64*-*-freebsd*)
@@ -389,18 +390,21 @@ aarch64*-*-freebsd*)
 	tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
 	tmake_file="${tmake_file} ${cpu_type}/t-lse t-slibgcc-libgcc"
 	tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
+	tmake_file="${tmake_file} t-dfprules"
 	md_unwind_header=aarch64/freebsd-unwind.h
 	;;
 aarch64*-*-netbsd*)
 	extra_parts="$extra_parts crtfastmath.o"
 	tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
 	tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
+	tmake_file="${tmake_file} t-dfprules"
 	md_unwind_header=aarch64/aarch64-unwind.h
 	;;
 aarch64*-*-fuchsia*)
 	tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
 	tmake_file="${tmake_file} ${cpu_type}/t-lse t-slibgcc-libgcc"
 	tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp"
+	tmake_file="${tmake_file} t-dfprules"
 	;;
 aarch64*-*-linux*)
 	extra_parts="$extra_parts crtfastmath.o"
@@ -408,6 +412,7 @@ aarch64*-*-linux*)
 	tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
 	tmake_file="${tmake_file} ${cpu_type}/t-lse t-slibgcc-libgcc"
 	tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
+	tmake_file="${tmake_file} t-dfprules"
 	;;
 aarch64*-*-vxworks7*)
 	extra_parts="$extra_parts crtfastmath.o"
@@ -415,6 +420,7 @@ aarch64*-*-vxworks7*)
 	tmake_file="${tmake_file} ${cpu_type}/t-aarch64"
 	tmake_file="${tmake_file} ${cpu_type}/t-lse t-slibgcc-libgcc"
 	tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp t-crtfm"
+	tmake_file="${tmake_file} t-dfprules"
 	;;
 alpha*-*-linux*)
 	tmake_file="${tmake_file} alpha/t-alpha alpha/t-ieee t-crtfm alpha/t-linux"