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[src/trunk]: src/usr.bin/make make(1): prefer direct jump over indirect varia...



details:   https://anonhg.NetBSD.org/src/rev/2d6fe566300c
branches:  trunk
changeset: 974123:2d6fe566300c
user:      rillig <rillig%NetBSD.org@localhost>
date:      Fri Jul 24 08:22:05 2020 +0000

description:
make(1): prefer direct jump over indirect variable assignment

diffstat:

 usr.bin/make/var.c |  16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)

diffs (50 lines):

diff -r 5d0695ca173e -r 2d6fe566300c usr.bin/make/var.c
--- a/usr.bin/make/var.c        Fri Jul 24 08:20:24 2020 +0000
+++ b/usr.bin/make/var.c        Fri Jul 24 08:22:05 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: var.c,v 1.306 2020/07/24 08:20:24 rillig Exp $ */
+/*     $NetBSD: var.c,v 1.307 2020/07/24 08:22:05 rillig Exp $ */
 
 /*
  * Copyright (c) 1988, 1989, 1990, 1993
@@ -69,14 +69,14 @@
  */
 
 #ifndef MAKE_NATIVE
-static char rcsid[] = "$NetBSD: var.c,v 1.306 2020/07/24 08:20:24 rillig Exp $";
+static char rcsid[] = "$NetBSD: var.c,v 1.307 2020/07/24 08:22:05 rillig Exp $";
 #else
 #include <sys/cdefs.h>
 #ifndef lint
 #if 0
 static char sccsid[] = "@(#)var.c      8.3 (Berkeley) 3/19/94";
 #else
-__RCSID("$NetBSD: var.c,v 1.306 2020/07/24 08:20:24 rillig Exp $");
+__RCSID("$NetBSD: var.c,v 1.307 2020/07/24 08:22:05 rillig Exp $");
 #endif
 #endif /* not lint */
 #endif
@@ -1393,11 +1393,10 @@
     regmatch_t m[10];
 
     if ((args->pflags & VARP_SUB_ONE) && (args->pflags & VARP_SUB_MATCHED))
-       xrv = REG_NOMATCH;
-    else {
-    tryagain:
-       xrv = regexec(&args->re, wp, args->nsub, m, flags);
-    }
+       goto nosub;
+
+tryagain:
+    xrv = regexec(&args->re, wp, args->nsub, m, flags);
 
     switch (xrv) {
     case 0:
@@ -1456,6 +1455,7 @@
        VarREError(xrv, &args->re, "Unexpected regex error");
        /* fall through */
     case REG_NOMATCH:
+    nosub:
        SepBuf_AddBytes(buf, wp, strlen(wp));
        break;
     }



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