Commit 5f50d597 authored by Andy Polyakov's avatar Andy Polyakov
Browse files

Make sure x86-mont.pl returns zero even if compiled with no-sse2.

parent df94f187

crypto/bn/asm/x86-mont.pl

+4 −1
Original line number Original line Diff line number Diff line
@@ -60,7 +60,6 @@ $mask="mm7"; 
if($sse2) {

if($sse2) {

	&picmeup("eax","OPENSSL_ia32cap_P");

	&picmeup("eax","OPENSSL_ia32cap_P");

	&bt	(&DWP(0,"eax"),26);

	&bt	(&DWP(0,"eax"),26);

	&mov	("eax",0);		# zero signals "we did nothing"

	&jnc	(&label("non_sse2"));

	&jnc	(&label("non_sse2"));





	################################# load argument block...

	################################# load argument block...
@@ -232,9 +231,13 @@ if($sse2) { 
&set_label("exit_sse2");

&set_label("exit_sse2");

	&mov	("esp",$_sp);		# pull saved stack pointer

	&mov	("esp",$_sp);		# pull saved stack pointer

	&mov	("eax",1);

	&mov	("eax",1);

	&jmp	(&label("leave"));

&set_label("non_sse2");

&set_label("non_sse2");

}

}





	&xor	("eax","eax");	# zero signals "not implemented [yet]"



&set_label("leave");

&function_end("bn_mul_mont");

&function_end("bn_mul_mont");





&asm_finish();
 
&asm_finish();