Finalizing asm support for UnixWare, SCO, OpenUnix... Note that I've

replaced #if logic around bn_sub_part_words in bn_mul.c. I rely upon
OPENSSL_BN_ASM_PART_WORDS being added by ./Configure script. Would it
still work on non-Unix platforms?

Configure

@@ -107,7 +107,6 @@ my $tlib="-lnsl -lsocket";
 my $bits1="THIRTY_TWO_BIT ";
 my $bits2="SIXTY_FOUR_BIT ";
 
-my $x86_sol_asm="asm/bn86-sol.o asm/co86-sol.o:asm/dx86-sol.o asm/yx86-sol.o:asm/bx86-sol.o:asm/mx86-sol.o:asm/sx86-sol.o:asm/cx86-sol.o:asm/rx86-sol.o:asm/rm86-sol.o:asm/r586-sol.o";
 my $x86_elf_asm="asm/bn86-elf.o asm/co86-elf.o:asm/dx86-elf.o asm/yx86-elf.o:asm/bx86-elf.o:asm/mx86-elf.o:asm/sx86-elf.o:asm/cx86-elf.o:asm/rx86-elf.o:asm/rm86-elf.o:asm/r586-elf.o";
 my $x86_out_asm="asm/bn86-out.o asm/co86-out.o:asm/dx86-out.o asm/yx86-out.o:asm/bx86-out.o:asm/mx86-out.o:asm/sx86-out.o:asm/cx86-out.o:asm/rx86-out.o:asm/rm86-out.o:asm/r586-out.o";
 my $x86_bsdi_asm="asm/bn86bsdi.o asm/co86bsdi.o:asm/dx86bsdi.o asm/yx86bsdi.o:asm/bx86bsdi.o:asm/mx86bsdi.o:asm/sx86bsdi.o:asm/cx86bsdi.o:asm/rx86bsdi.o:asm/rm86bsdi.o:asm/r586bsdi.o";
@@ -413,26 +412,19 @@ my %table=(
 # Linux on ARM
 "linux-elf-arm","gcc:-DL_ENDIAN -DTERMIO -O3 -fomit-frame-pointer -Wall::-D_REENTRANT:::BN_LLONG::::::::::dlfcn:linux-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 
-# UnixWare 2.0x fails destest with -O
+# Originally we had like unixware-*, unixware-*-pentium, unixware-*-p6, etc.
+# Now we only have blended unixware-* as it's the only one used by ./config.
+# If you want to optimize for particular microarchitectire, bypass ./config
+# and './Configure unixware-7 -Kpentium_pro' or whatever appropriate.
+#
+# UnixWare 2.0x fails destest with -O.
 "unixware-2.0","cc:-DFILIO_H -DNO_STRINGS_H::-Kthread::-lsocket -lnsl -lresolv -lx:${x86_gcc_des} ${x86_gcc_opts}:::",
-"unixware-2.0-pentium","cc:-DFILIO_H -DNO_STRINGS_H -Kpentium::-Kthread::-lsocket -lnsl -lresolv -lx:MD2_CHAR RC4_INDEX ${x86_gcc_des}::",
-
-# UnixWare 2.1
 "unixware-2.1","cc:-O -DFILIO_H::-Kthread::-lsocket -lnsl -lresolv -lx:${x86_gcc_des} ${x86_gcc_opts}:::",
-"unixware-2.1-pentium","cc:-O -DFILIO_H -Kpentium::-Kthread::-lsocket -lnsl -lresolv -lx:MD2_CHAR RC4_INDEX ${x86_gcc_des}::",
-"unixware-2.1-p6","cc:-O -DFILIO_H -Kp6::-Kthread::-lsocket -lnsl -lresolv -lx:MD2_CHAR RC4_INDEX ${x86_gcc_des}::",
-
-# UnixWare 7
-"unixware-7","cc:-O -DFILIO_H -Kalloca::-Kthread::-lsocket -lnsl:BN_LLONG MD2_CHAR RC4_INDEX ${x86_gcc_des}::::::::::dlfcn:svr5-shared:-Kpic::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
-"unixware-7-pentium","cc:-O -DFILIO_H -Kalloca -Kpentium::-Kthread::-lsocket -lnsl:BN_LLONG MD2_CHAR RC4_INDEX ${x86_gcc_des}::::::::::dlfcn:svr5-shared:-Kpic::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
-"unixware-7-pentium_pro","cc:-O -DFILIO_H -Kalloca -Kpentium_pro::-Kthread::-lsocket -lnsl:BN_LLONG MD2_CHAR RC4_INDEX ${x86_gcc_des}::::::::::dlfcn:svr5-shared:-Kpic::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
-"unixware-7-gcc","gcc:-DL_ENDIAN -DFILIO_H -O3 -fomit-frame-pointer -m486 -Wall::-D_REENTRANT::-lsocket -lnsl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}::::::::::dlfcn:gnu-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
-
+"unixware-7","cc:-O -DFILIO_H -Kalloca::-Kthread::-lsocket -lnsl:BN_LLONG MD2_CHAR RC4_INDEX ${x86_gcc_des}:${x86_elf_asm}:dlfcn:svr5-shared:-Kpic::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"unixware-7-gcc","gcc:-DL_ENDIAN -DFILIO_H -O3 -fomit-frame-pointer -m486 -Wall::-D_REENTRANT::-lsocket -lnsl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:gnu-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 # OpenUNIX 8
-"OpenUNIX-8","cc:-O -DFILIO_H -Kalloca::-Kthread::-lsocket -lnsl:BN_LLONG MD2_CHAR RC4_INDEX ${x86_gcc_des}::::::::::dlfcn:svr5-shared:-Kpic::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
-"OpenUNIX-8-gcc","gcc:-O -DFILIO_H -fomit-frame-pointer::-pthread::-lsocket -lnsl:BN_LLONG MD2_CHAR RC4_INDEX ${x86_gcc_des}::::::::::dlfcn:svr5-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
-"OpenUNIX-8-pentium","cc:-O -DFILIO_H -Kalloca -Kpentium::-Kthread::-lsocket -lnsl:BN_LLONG MD2_CHAR RC4_INDEX ${x86_gcc_des}::::::::::dlfcn:svr5-shared:-Kpic::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
-"OpenUNIX-8-pentium_pro","cc:-O -DFILIO_H -Kalloca -Kpentium_pro::-Kthread::-lsocket -lnsl:BN_LLONG MD2_CHAR RC4_INDEX ${x86_gcc_des}::::::::::dlfcn:svr5-shared:-Kpic::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"OpenUNIX-8","cc:-O -DFILIO_H -Kalloca::-Kthread::-lsocket -lnsl:BN_LLONG MD2_CHAR RC4_INDEX ${x86_gcc_des}:${x86_elf_asm}:dlfcn:svr5-shared:-Kpic::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
+"OpenUNIX-8-gcc","gcc:-O -DFILIO_H -fomit-frame-pointer::-pthread::-lsocket -lnsl:BN_LLONG MD2_CHAR RC4_INDEX ${x86_gcc_des}:${x86_elf_asm}:dlfcn:svr5-shared:-fPIC::.so.\$(SHLIB_MAJOR).\$(SHLIB_MINOR)",
 
 # IBM's AIX.
 "aix-cc",   "cc:-O -DB_ENDIAN -qmaxmem=16384::(unknown):AIX::BN_LLONG RC4_CHAR:::",
@@ -475,11 +467,9 @@ my %table=(
 # SCO 3 - Tim Rice <tim@multitalents.net>
 "sco3-gcc",  "gcc:-O3 -fomit-frame-pointer -Dssize_t=int -DNO_SYS_UN_H::(unknown)::-lsocket:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:::", # the SCO assembler doesn't seem to like our assembler files ...
 
-# SCO 5 - Ben Laurie <ben@algroup.co.uk> says the -O breaks the
-# SCO cc.
-"sco5-cc",  "cc:-belf::(unknown)::-lsocket -lresolv -lnsl:${x86_gcc_des} ${x86_gcc_opts}::::::::::dlfcn:svr3-shared:-Kpic", # des options?
-"sco5-cc-pentium",  "cc:-Kpentium::(unknown)::-lsocket:${x86_gcc_des} ${x86_gcc_opts}:::", # des options?
-"sco5-gcc",  "gcc:-O3 -fomit-frame-pointer::(unknown)::-lsocket -lresolv -lnsl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:svr3-shared:-fPIC", # the SCO assembler doesn't seem to like our assembler files ...
+# SCO 5 - Ben Laurie <ben@algroup.co.uk> says the -O breaks the SCO cc.
+"sco5-cc",  "cc:-belf::(unknown)::-lsocket -lresolv -lnsl:${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:svr3-shared:-Kpic",
+"sco5-gcc",  "gcc:-O3 -fomit-frame-pointer::(unknown)::-lsocket -lresolv -lnsl:BN_LLONG ${x86_gcc_des} ${x86_gcc_opts}:${x86_elf_asm}:dlfcn:svr3-shared:-fPIC",
 
 # Sinix/ReliantUNIX RM400
 # NOTE: The CDS++ Compiler up to V2.0Bsomething has the IRIX_CC_BUG optimizer problem. Better use -g  */
@@ -1165,6 +1155,8 @@ if ($ranlib eq "")
 #$bn_obj="$bn1";
 
 $bn_obj = $bn_asm unless $bn_obj ne "";
+# bn86* is the only one implementing bn_*_part_words
+$cflags.=" -DOPENSSL_BN_ASM_PART_WORDS" if ($bn_obj =~ /bn86/);
 
 $des_obj=$des_enc	unless ($des_obj =~ /\.o$/);
 $bf_obj=$bf_enc		unless ($bf_obj =~ /\.o$/);

crypto/bn/bn_mul.c

@@ -66,7 +66,7 @@
 #include "cryptlib.h"
 #include "bn_lcl.h"
 
-#if defined(OPENSSL_NO_ASM) || !(defined(__i386) || defined(__i386__)) || defined(__DJGPP__) /* Assembler implementation exists only for x86 */
+#if defined(OPENSSL_NO_ASM) || !defined(OPENSSL_BN_ASM_PART_WORDS)
 /* Here follows specialised variants of bn_add_words() and
    bn_sub_words().  They have the property performing operations on
    arrays of different sizes.  The sizes of those arrays is expressed through