( $xlate="${dir}perlasm/x86_64-xlate.pl" and -f $xlate) or
die "can't locate x86_64-xlate.pl";
-open OUT,"| \"$^X\" $xlate $flavour $output";
+open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\"";
*STDOUT=*OUT;
($arg1,$arg2,$arg3,$arg4)=$win64?("%rcx","%rdx","%r8", "%r9") : # Win64 order
jne .Little
ret
.size OPENSSL_cleanse,.-OPENSSL_cleanse
+
+.globl CRYPTO_memcmp
+.type CRYPTO_memcmp,\@abi-omnipotent
+.align 16
+CRYPTO_memcmp:
+ xor %rax,%rax
+ xor %r10,%r10
+ cmp \$0,$arg3
+ je .Lno_data
+.Loop_cmp:
+ mov ($arg1),%r10b
+ lea 1($arg1),$arg1
+ xor ($arg2),%r10b
+ lea 1($arg2),$arg2
+ or %r10b,%al
+ dec $arg3
+ jnz .Loop_cmp
+ neg %rax
+ shr \$63,%rax
+.Lno_data:
+ ret
+.size CRYPTO_memcmp,.-CRYPTO_memcmp
___
print<<___ if (!$win64);
___
}
+sub gen_random {
+my $rdop = shift;
print<<___;
-.globl OPENSSL_ia32_rdrand
-.type OPENSSL_ia32_rdrand,\@abi-omnipotent
+.globl OPENSSL_ia32_${rdop}
+.type OPENSSL_ia32_${rdop},\@abi-omnipotent
.align 16
-OPENSSL_ia32_rdrand:
+OPENSSL_ia32_${rdop}:
mov \$8,%ecx
-.Loop_rdrand:
- rdrand %rax
- jc .Lbreak_rdrand
- loop .Loop_rdrand
-.Lbreak_rdrand:
+.Loop_${rdop}:
+ ${rdop} %rax
+ jc .Lbreak_${rdop}
+ loop .Loop_${rdop}
+.Lbreak_${rdop}:
cmp \$0,%rax
cmove %rcx,%rax
ret
-.size OPENSSL_ia32_rdrand,.-OPENSSL_ia32_rdrand
+.size OPENSSL_ia32_${rdop},.-OPENSSL_ia32_${rdop}
-.globl OPENSSL_ia32_rdseed
-.type OPENSSL_ia32_rdseed,\@abi-omnipotent
+.globl OPENSSL_ia32_${rdop}_bytes
+.type OPENSSL_ia32_${rdop}_bytes,\@abi-omnipotent
.align 16
-OPENSSL_ia32_rdseed:
- mov \$8,%ecx
-.Loop_rdseed:
- rdseed %rax
- jc .Lbreak_rdseed
- loop .Loop_rdseed
-.Lbreak_rdseed:
- cmp \$0,%rax
- cmove %rcx,%rax
+OPENSSL_ia32_${rdop}_bytes:
+ xor %rax, %rax # return value
+ cmp \$0,$arg2
+ je .Ldone_${rdop}_bytes
+
+ mov \$8,%r11
+.Loop_${rdop}_bytes:
+ ${rdop} %r10
+ jc .Lbreak_${rdop}_bytes
+ dec %r11
+ jnz .Loop_${rdop}_bytes
+ jmp .Ldone_${rdop}_bytes
+
+.align 16
+.Lbreak_${rdop}_bytes:
+ cmp \$8,$arg2
+ jb .Ltail_${rdop}_bytes
+ mov %r10,($arg1)
+ lea 8($arg1),$arg1
+ add \$8,%rax
+ sub \$8,$arg2
+ jz .Ldone_${rdop}_bytes
+ mov \$8,%r11
+ jmp .Loop_${rdop}_bytes
+
+.align 16
+.Ltail_${rdop}_bytes:
+ mov %r10b,($arg1)
+ lea 1($arg1),$arg1
+ inc %rax
+ shr \$8,%r8
+ dec $arg2
+ jnz .Ltail_${rdop}_bytes
+
+.Ldone_${rdop}_bytes:
ret
-.size OPENSSL_ia32_rdseed,.-OPENSSL_ia32_rdseed
+.size OPENSSL_ia32_${rdop}_bytes,.-OPENSSL_ia32_${rdop}_bytes
___
+}
+gen_random("rdrand");
+gen_random("rdseed");
close STDOUT; # flush