[src/trunk]: src/lib/libnvmm Set hardseg to -1 rather than 0, because 0 can b...

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

details:   https://anonhg.NetBSD.org/src/rev/4381774c8994
branches:  trunk
changeset: 449204:4381774c8994
user:      maxv <maxv%NetBSD.org@localhost>
date:      Tue Feb 26 10:18:39 2019 +0000

description:
Set hardseg to -1 rather than 0, because 0 can be a valid segment.

diffstat:

 lib/libnvmm/libnvmm_x86.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 3195d7b9ed15 -r 4381774c8994 lib/libnvmm/libnvmm_x86.c
--- a/lib/libnvmm/libnvmm_x86.c Tue Feb 26 10:01:40 2019 +0000
+++ b/lib/libnvmm/libnvmm_x86.c Tue Feb 26 10:18:39 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: libnvmm_x86.c,v 1.24 2019/02/17 20:25:46 maxv Exp $    */
+/*     $NetBSD: libnvmm_x86.c,v 1.25 2019/02/26 10:18:39 maxv Exp $    */
 
 /*
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -2556,6 +2556,8 @@
 
        memset(instr, 0, sizeof(*instr));
        instr->legpref.seg = -1;
+       instr->src.hardseg = -1;
+       instr->dst.hardseg = -1;
 
        fsm.is64bit = is_64bit(state);
        fsm.is32bit = is_32bit(state);
@@ -2926,7 +2928,7 @@
                gva += store->disp.data;
        }
 
-       if (store->hardseg != 0) {
+       if (store->hardseg != -1) {
                seg = store->hardseg;
        } else {
                if (__predict_false(instr->legpref.seg != -1)) {