Unified - adapt the generation of poly1305 assembler to use GENERATE

[openssl.git] / crypto / x86cpuid.pl

diff --git a/crypto/x86cpuid.pl b/crypto/x86cpuid.pl
index ef1216a8b2ed4cc8ee5fc35667114ce36017b1aa..48c4cf204b73b9d849c97b482d5f3edaa6232c40 100644 (file)
--- a/crypto/x86cpuid.pl
+++ b/crypto/x86cpuid.pl
@@ -4,6 +4,10 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
 push(@INC, "${dir}perlasm", "perlasm");
 require "x86asm.pl";
 
+$output = pop;
+open OUT,">$output";
+*STDOUT=*OUT;
+
 &asm_init($ARGV[0],"x86cpuid");
 
 for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
@@ -469,9 +473,23 @@ my $max = "ebp";
        &ret    ();
 &function_end_B("OPENSSL_ia32_rdrand");
 
+&function_begin_B("OPENSSL_ia32_rdseed");
+       &mov    ("ecx",8);
+&set_label("loop");
+       &rdseed ("eax");
+       &jc     (&label("break"));
+       &loop   (&label("loop"));
+&set_label("break");
+       &cmp    ("eax",0);
+       &cmove  ("eax","ecx");
+       &ret    ();
+&function_end_B("OPENSSL_ia32_rdseed");
+
 &initseg("OPENSSL_cpuid_setup");
 
 &hidden("OPENSSL_cpuid_setup");
 &hidden("OPENSSL_ia32cap_P");
 
 &asm_finish();
+
+close STDOUT;