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[src/trunk]: src/sys/arch/aarch64/aarch64 Widen shift to the LHS type.



details:   https://anonhg.NetBSD.org/src/rev/c5cc4c524ac2
branches:  trunk
changeset: 323407:c5cc4c524ac2
user:      ryo <ryo%NetBSD.org@localhost>
date:      Thu Jun 14 08:27:10 2018 +0000

description:
Widen shift to the LHS type.
same as aarch64/db_interface.c r1.4, PR/53338.

diffstat:

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

diffs (27 lines):

diff -r 5f01f6a26178 -r c5cc4c524ac2 sys/arch/aarch64/aarch64/disasm.c
--- a/sys/arch/aarch64/aarch64/disasm.c Thu Jun 14 08:22:52 2018 +0000
+++ b/sys/arch/aarch64/aarch64/disasm.c Thu Jun 14 08:27:10 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: disasm.c,v 1.1 2018/04/01 04:35:03 ryo Exp $   */
+/*     $NetBSD: disasm.c,v 1.2 2018/06/14 08:27:10 ryo Exp $   */
 
 /*
  * Copyright (c) 2018 Ryo Shimizu <ryo%nerv.org@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: disasm.c,v 1.1 2018/04/01 04:35:03 ryo Exp $");
+__KERNEL_RCSID(0, "$NetBSD: disasm.c,v 1.2 2018/06/14 08:27:10 ryo Exp $");
 
 #include <sys/param.h>
 #include <sys/types.h>
@@ -568,7 +568,7 @@
 static 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)



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