From 037602705109ec2ab96340bea93ad87daa3ac046 Mon Sep 17 00:00:00 2001
From: Max Filippov
Date: Wed, 5 Dec 2018 12:48:19 -0800
Subject: xtensa: don't use l32r opcode directly

xtensa assembler is capable of representing register loads with either
movi + addmi, l32r or const16, depending on the core configuration.
Don't use '.literal' and 'l32r' directly in the code, use 'movi' and let
the assembler relax them.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
 arch/xtensa/include/asm/futex.h   |  8 ++++----
 arch/xtensa/include/asm/uaccess.h | 10 ++++------
 2 files changed, 8 insertions(+), 10 deletions(-)

(limited to 'arch/xtensa/include')

diff --git a/arch/xtensa/include/asm/futex.h b/arch/xtensa/include/asm/futex.h
index 5bfbc1c401d4..fd0eef6b8e7c 100644
--- a/arch/xtensa/include/asm/futex.h
+++ b/arch/xtensa/include/asm/futex.h
@@ -32,8 +32,8 @@
 	"3:\n"						\
 	"	.section .fixup,\"ax\"\n"		\
 	"	.align 4\n"				\
-	"4:	.long	3b\n"				\
-	"5:	l32r	%0, 4b\n"			\
+	"	.literal_position\n"			\
+	"5:	movi	%0, 3b\n"			\
 	"	movi	%1, %3\n"			\
 	"	jx	%0\n"				\
 	"	.previous\n"				\
@@ -108,8 +108,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
 	"2:\n"
 	"	.section .fixup,\"ax\"\n"
 	"	.align 4\n"
-	"3:	.long	2b\n"
-	"4:	l32r	%1, 3b\n"
+	"	.literal_position\n"
+	"4:	movi	%1, 2b\n"
 	"	movi	%0, %7\n"
 	"	jx	%1\n"
 	"	.previous\n"
diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h
index f1158b4c629c..d11ef2939652 100644
--- a/arch/xtensa/include/asm/uaccess.h
+++ b/arch/xtensa/include/asm/uaccess.h
@@ -159,10 +159,9 @@ __asm__ __volatile__(					\
 	"2:				\n"		\
 	"   .section  .fixup,\"ax\"	\n"		\
 	"   .align 4			\n"		\
-	"4:				\n"		\
-	"   .long  2b			\n"		\
+	"   .literal_position		\n"		\
 	"5:				\n"		\
-	"   l32r   %1, 4b		\n"		\
+	"   movi   %1, 2b		\n"		\
 	"   movi   %0, %4		\n"		\
 	"   jx     %1			\n"		\
 	"   .previous			\n"		\
@@ -217,10 +216,9 @@ __asm__ __volatile__(			\
 	"2:				\n"	\
 	"   .section  .fixup,\"ax\"	\n"	\
 	"   .align 4			\n"	\
-	"4:				\n"	\
-	"   .long  2b			\n"	\
+	"   .literal_position		\n"	\
 	"5:				\n"	\
-	"   l32r   %1, 4b		\n"	\
+	"   movi   %1, 2b		\n"	\
 	"   movi   %2, 0		\n"	\
 	"   movi   %0, %4		\n"	\
 	"   jx     %1			\n"	\
-- 
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