From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Fri, 14 Dec 2018 10:27:09 +0000 (+0100)
Subject: bc: shrink s() in library again
X-Git-Tag: 1_30_0~171
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=240d7ee3fcff86b557cfac12cb74073e119957a1;p=oweals%2Fbusybox.git

bc: shrink s() in library again

function                                             old     new   delta
bc_lib                                              1596    1586     -10
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-10)             Total: -10 bytes
   text	   data	    bss	    dec	    hex	filename
 980152	    485	   7296	 987933	  f131d	busybox_old
 980142	    485	   7296	 987923	  f1313	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/miscutils/bc.c b/miscutils/bc.c
index f0c323d93..547af8eaf 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -7213,16 +7213,13 @@ static const char bc_lib[] ALIGN1 = {
 "\n"		"return(r/1)"
 "\n"	"}"
 "\n"	"define s(x){"
-"\n"		"auto b,s,r,n,a,q,i"
+"\n"		"auto b,s,r,a,q,i"
+"\n"		"if(x<0)return(-s(-x))"
 "\n"		"b=ibase"
 "\n"		"ibase=A"
 "\n"		"s=scale"
 "\n"		"scale=1.1*s+2"
 "\n"		"a=a(1)"
-"\n"		"if(x<0){"
-"\n"			"n=1"
-"\n"			"x=-x"
-"\n"		"}"
 "\n"		"scale=0"
 "\n"		"q=(x/a+2)/4"
 "\n"		"x-=4*q*a"
@@ -7236,7 +7233,6 @@ static const char bc_lib[] ALIGN1 = {
 "\n"		"}"
 "\n"		"scale=s"
 "\n"		"ibase=b"
-"\n"		"if(n)r=-r"
 "\n"		"return(r/1)"
 "\n"	"}"
 "\n"	"define c(x){"