archs38: Add patch for gcc8 compilance

Building Linux kernel version 5.4.x with GCC8 ends up
with internal compiler error. The workaround on this issue
can be introdution of additional compiler option "--mmpy-option=2"

Signed-off-by: Evgeniy Didin <Evgeniy.Didin@synopsys.com>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Petr Štetiar <ynezz@true.cz>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: John Crispin <john@phrozen.org>
This commit is contained in:
Evgeniy Didin 2020-03-28 14:12:35 +03:00 committed by Hauke Mehrtens
parent e3bcb83720
commit b47f3bf7ec
1 changed files with 21 additions and 0 deletions

View File

@ -0,0 +1,21 @@
From 2e2b3aeda9af9c029bf347c974911fe96cd79c43 Mon Sep 17 00:00:00 2001
From: Evgeniy Didin <didin@synopsys.com>
Date: Mon, 23 Mar 2020 15:57:18 +0300
Subject: [PATCH] arch/arc: Add compiler option for gcc8.4
Signed-off-by: Evgeniy Didin <didin@synopsys.com>
---
arch/arc/Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arc/Makefile
+++ b/arch/arc/Makefile
@@ -11,7 +11,7 @@ endif
cflags-y += -fno-common -pipe -fno-builtin -mmedium-calls -D__linux__
cflags-$(CONFIG_ISA_ARCOMPACT) += -mA7
-cflags-$(CONFIG_ISA_ARCV2) += -mcpu=hs38
+cflags-$(CONFIG_ISA_ARCV2) += -mcpu=hs38 -mmpy-option=2
ifdef CONFIG_ARC_CURR_IN_REG
# For a global register defintion, make sure it gets passed to every file