wok diff linld/stuff/src/pipehole.awk @ rev 21752

tazboot: shrink (again)
author Pascal Bellard <pascal.bellard@slitaz.org>
date Sat Jun 15 22:12:18 2019 +0200 (2019-06-15)
parents 74a62a08433a
children 8b9f768b711e
line diff
     1.1 --- a/linld/stuff/src/pipehole.awk	Sat Jun 15 18:53:05 2019 +0200
     1.2 +++ b/linld/stuff/src/pipehole.awk	Sat Jun 15 22:12:18 2019 +0200
     1.3 @@ -110,8 +110,14 @@
     1.4  		sub(/DGROUP:_base_himem,/,"[bx],")
     1.5  		sub(/DGROUP:_base_himem\+2,/,"[bx+2],")
     1.6  		sub(/DGROUP:_base_himem\+3,/,"[bx+3],")
     1.7 -		if (/ax,word ptr \[bx\+2\]/ || /\[bp-4\],ax/) sub(/ax/,"bx")
     1.8 -		if (/bx,ax/) next
     1.9 +		if (/word ptr \[bx\+2\],0/) {
    1.10 +			print s
    1.11 +			hold=0
    1.12 +			print "	mov	bx,word ptr [bx+2]"
    1.13 +			$0="	or	bx,bx"
    1.14 +		}
    1.15 +		if (/\[bp-4\],ax/) sub(/ax/,"bx")
    1.16 +		if (/ax,word ptr \[bx\+2\]/ || /bx,ax/) next
    1.17  		if (/@strcmp\$qpxzct1/) isotazboot=0
    1.18  	}
    1.19  	if (/static void addinitrd/) isotazboot=100