.global OPENSSL_cleanse#
.proc OPENSSL_cleanse#
OPENSSL_cleanse:
+{ .mib; cmp.eq p6,p0=0,r33 // len==0
#if defined(_HPUX_SOURCE) && !defined(_LP64)
-{ .mmi; addp4 r32=0,r32 };;
+ addp4 r32=0,r32
#endif
+(p6) br.ret.spnt b0 };;
{ .mib; and r2=7,r32
cmp.leu p6,p0=15,r33 // len>=15
(p6) br.cond.dptk .Lot };;
" .long ".sprintf "0x%x",19<<26|$bo<<21|2<<16|16<<1 :
" bclr $bo,2";
};
+my $beqlr = sub {
+ my $f = shift;
+ my $bo = $f=~/-/ ? 12+2 : 12; # optional "not to be taken" hint
+ ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
+ " .long ".sprintf "0x%X",19<<26|$bo<<21|2<<16|16<<1 :
+ " bclr $bo,2";
+};
# GNU assembler can't handle extrdi rA,rS,16,48, or when sum of last two
# arguments is 64, with "operand out of range" error.
my $extrdi = sub {
&xor ("eax","eax");
&cmp ("ecx",7);
&jae (&label("lot"));
+ &cmp ("ecx",0);
+ &je (&label("ret"));
&set_label("little");
&mov (&BP(0,"edx"),"al");
&sub ("ecx",1);
&lea ("edx",&DWP(1,"edx"));
&jnz (&label("little"));
+&set_label("ret");
&ret ();
&set_label("lot",16);