[src/trunk]: src/sys/arch/aarch64/aarch64 PR/53338: David Binderman: Widen sh...

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/10680d2e8800
branches:  trunk
changeset: 319592:10680d2e8800
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Jun 03 20:18:10 2018 +0000

description:
PR/53338: David Binderman: Widen shift to the LHS type.

diffstat:

 sys/arch/aarch64/aarch64/db_interface.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r fa7560c14343 -r 10680d2e8800 sys/arch/aarch64/aarch64/db_interface.c
--- a/sys/arch/aarch64/aarch64/db_interface.c   Sun Jun 03 19:50:20 2018 +0000
+++ b/sys/arch/aarch64/aarch64/db_interface.c   Sun Jun 03 20:18:10 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: db_interface.c,v 1.3 2018/05/31 09:37:16 ryo Exp $ */
+/* $NetBSD: db_interface.c,v 1.4 2018/06/03 20:18:10 christos Exp $ */
 
 /*
  * Copyright (c) 2017 Ryo Shimizu <ryo%nerv.org@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: db_interface.c,v 1.3 2018/05/31 09:37:16 ryo Exp $");
+__KERNEL_RCSID(0, "$NetBSD: db_interface.c,v 1.4 2018/06/03 20:18:10 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -147,7 +147,7 @@
 static inline uint64_t
 SignExtend(int bitwidth, uint64_t imm, unsigned int multiply)
 {
-       const uint64_t signbit = (1 << (bitwidth - 1));
+       const uint64_t signbit = ((uint64_t)1 << (bitwidth - 1));
        const uint64_t immmax = signbit << 1;
 
        if (imm & signbit)