modes/cfb128.c: make it indent-friendly.

[openssl.git] / crypto / x86cpuid.pl

diff --git a/crypto/x86cpuid.pl b/crypto/x86cpuid.pl
index b8961ba4ad6412fce5c669fbbc2b35eddd98e15b..b270b44337d1400960cd3779efd257979fc30d45 100644 (file)
--- a/crypto/x86cpuid.pl
+++ b/crypto/x86cpuid.pl
@@ -19,9 +19,9 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
        &pushf  ();
        &pop    ("eax");
        &xor    ("ecx","eax");
-       &bt     ("ecx",21);
-       &jnc    (&label("generic"));
        &xor    ("eax","eax");
+       &bt     ("ecx",21);
+       &jnc    (&label("nocpuid"));
        &cpuid  ();
        &mov    ("edi","eax");          # max value for standard query level
 
@@ -67,6 +67,7 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
        &inc    ("esi");                # number of cores
 
        &mov    ("eax",1);
+       &xor    ("ecx","ecx");
        &cpuid  ();
        &bt     ("edx",28);
        &jnc    (&label("generic"));
@@ -91,6 +92,7 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
 
 &set_label("nocacheinfo");
        &mov    ("eax",1);
+       &xor    ("ecx","ecx");
        &cpuid  ();
        &and    ("edx",0xbfefffff);     # force reserved bits #20, #30 to 0
        &cmp    ("ebp",0);
@@ -119,10 +121,8 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
        &mov    ("esi","edx");
        &or     ("ebp","ecx");          # merge AMD XOP flag
 
-       &bt     ("ecx",26);             # check XSAVE bit
-       &jnc    (&label("done"));
        &bt     ("ecx",27);             # check OSXSAVE bit
-       &jnc    (&label("clear_xmm"));
+       &jnc    (&label("clear_avx"));
        &xor    ("ecx","ecx");
        &data_byte(0x0f,0x01,0xd0);     # xgetbv
        &and    ("eax",6);
@@ -138,6 +138,7 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
 &set_label("done");
        &mov    ("eax","esi");
        &mov    ("edx","ebp");
+&set_label("nocpuid");
 &function_end("OPENSSL_ia32_cpuid");
 
 &external_label("OPENSSL_ia32cap_P");
@@ -166,7 +167,7 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
        &jnz    (&label("nohalt"));     # not enough privileges
 
        &pushf  ();
-       &pop    ("eax")
+       &pop    ("eax");
        &bt     ("eax",9);
        &jnc    (&label("nohalt"));     # interrupts are disabled
 
@@ -281,7 +282,7 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
 #      arguments is 1 or 2!
 &function_begin_B("OPENSSL_indirect_call");
        {
-       my $i,$max=7;           # $max has to be chosen as 4*n-1
+       my ($max,$i)=(7,);      # $max has to be chosen as 4*n-1
                                # in order to preserve eventual
                                # stack alignment
        &push   ("ebp");
@@ -340,6 +341,18 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
        &ret    ();
 &function_end_B("OPENSSL_cleanse");
 
+&function_begin_B("OPENSSL_ia32_rdrand");
+       &mov    ("ecx",8);
+&set_label("loop");
+       &rdrand ("eax");
+       &jc     (&label("break"));
+       &loop   (&label("loop"));
+&set_label("break");
+       &cmp    ("eax",0);
+       &cmove  ("eax","ecx");
+       &ret    ();
+&function_end_B("OPENSSL_ia32_rdrand");
+
 &initseg("OPENSSL_cpuid_setup");
 
 &asm_finish();