[src/trunk]: src/sys/arch/i386/i386 Couple more tweaks to eliminate unnecessa...

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

details:   https://anonhg.NetBSD.org/src/rev/64ae4e67aecd
branches:  trunk
changeset: 500260:64ae4e67aecd
user:      mycroft <mycroft%NetBSD.org@localhost>
date:      Sat Dec 09 02:46:17 2000 +0000

description:
Couple more tweaks to eliminate unnecessary cycles.

diffstat:

 sys/arch/i386/i386/trap.c |  11 +++++------
 1 files changed, 5 insertions(+), 6 deletions(-)

diffs (48 lines):

diff -r cc763e2cee9f -r 64ae4e67aecd sys/arch/i386/i386/trap.c
--- a/sys/arch/i386/i386/trap.c Sat Dec 09 02:18:16 2000 +0000
+++ b/sys/arch/i386/i386/trap.c Sat Dec 09 02:46:17 2000 +0000
@@ -1,7 +1,7 @@
-/*     $NetBSD: trap.c,v 1.146 2000/12/09 02:18:16 mycroft Exp $       */
+/*     $NetBSD: trap.c,v 1.147 2000/12/09 02:46:17 mycroft Exp $       */
 
 /*-
- * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * Copyright (c) 1998, 2000 The NetBSD Foundation, Inc.
  * All rights reserved.
  *
  * This code is derived from software contributed to The NetBSD Foundation
@@ -576,7 +576,7 @@
        register caddr_t params;
        register const struct sysent *callp;
        register struct proc *p;
-       int error, nsys;
+       int error;
        size_t argsize;
        register_t code, args[8], rval[2];
        u_quad_t sticks;
@@ -597,7 +597,6 @@
        p->p_md.md_regs = &frame;
        code = frame.tf_eax;
 
-       nsys = p->p_emul->e_nsysent;
        callp = p->p_emul->e_sysent;
 
        params = (caddr_t)frame.tf_esp + sizeof(int);
@@ -634,7 +633,7 @@
        default:
                break;
        }
-       if (code < 0 || code >= nsys)
+       if ((u_int)code >= (u_int)p->p_emul->e_nsysent)
                callp += p->p_emul->e_nosys;            /* illegal */
        else
                callp += code;
@@ -652,7 +651,7 @@
                ktrsyscall(p, code, argsize, args);
 #endif /* KTRACE */
        rval[0] = 0;
-       rval[1] = frame.tf_edx;
+       rval[1] = 0;
        error = (*callp->sy_call)(p, args, rval);
        switch (error) {
        case 0: