From f861b1d4335d4017953938160c7e4e0df9af5a7b Mon Sep 17 00:00:00 2001 From: Andy Polyakov Date: Thu, 27 Feb 2014 14:19:19 +0100 Subject: [PATCH] rc4/asm/rc4-586.pl: allow for 386-only build. --- crypto/rc4/Makefile | 2 +- crypto/rc4/asm/rc4-586.pl | 8 ++++++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/crypto/rc4/Makefile b/crypto/rc4/Makefile index 3f5aaea226..e2bbaa6617 100644 --- a/crypto/rc4/Makefile +++ b/crypto/rc4/Makefile @@ -42,7 +42,7 @@ lib: $(LIBOBJ) @touch lib rc4-586.s: asm/rc4-586.pl ../perlasm/x86asm.pl - $(PERL) asm/rc4-586.pl $(PERLASM_SCHEME) $(CFLAGS) > $@ + $(PERL) asm/rc4-586.pl $(PERLASM_SCHEME) $(CFLAGS) $(PROCESSOR) > $@ rc4-x86_64.s: asm/rc4-x86_64.pl $(PERL) asm/rc4-x86_64.pl $(PERLASM_SCHEME) > $@ diff --git a/crypto/rc4/asm/rc4-586.pl b/crypto/rc4/asm/rc4-586.pl index 6a3a686082..f906e093d7 100644 --- a/crypto/rc4/asm/rc4-586.pl +++ b/crypto/rc4/asm/rc4-586.pl @@ -63,7 +63,7 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; push(@INC,"${dir}","${dir}../../perlasm"); require "x86asm.pl"; -&asm_init($ARGV[0],"rc4-586.pl"); +&asm_init($ARGV[0],"rc4-586.pl",$x86only = $ARGV[$#ARGV] eq "386"); $xx="eax"; $yy="ebx"; @@ -187,8 +187,11 @@ if ($alt=0) { &and ($ty,-4); # how many 4-byte chunks? &jz (&label("loop1")); - &test ($ty,-8); &mov (&wparam(3),$out); # $out as accumulator in these loops + if ($x86only) { + &jmp (&label("go4loop4")); + } else { + &test ($ty,-8); &jz (&label("go4loop4")); &picmeup($out,"OPENSSL_ia32cap_P"); @@ -231,6 +234,7 @@ if ($alt=0) { &cmp ($inp,&wparam(1)); # compare to input+len &je (&label("done")); &jmp (&label("loop1")); + } &set_label("go4loop4",16); &lea ($ty,&DWP(-4,$inp,$ty)); -- 2.25.1