OPENSSL_ia32cap: reserve for new extensions.

Reviewed-by: NRich Salz <rsalz@openssl.org>

crypto/cryptlib.c

@@ -61,16 +61,26 @@ void OPENSSL_cpuid_setup(void)
         }
 
         if ((env = strchr(env, ':'))) {
-            unsigned int vecx;
+            IA32CAP vecx;
             env++;
             off = (env[0] == '~') ? 1 : 0;
+#  if defined(_WIN32)
+            if (!sscanf(env + off, "%I64i", &vecx))
                 vecx = strtoul(env + off, NULL, 0);
-            if (off)
-                OPENSSL_ia32cap_P[2] &= ~vecx;
-            else
-                OPENSSL_ia32cap_P[2] = vecx;
+#  else
+            if (!sscanf(env + off, "%lli", (long long *)&vecx))
+                vecx = strtoul(env + off, NULL, 0);
+#  endif
+            if (off) {
+                OPENSSL_ia32cap_P[2] &= ~(unsigned int)vecx;
+                OPENSSL_ia32cap_P[3] &= ~(unsigned int)(vecx >> 32);
+            } else {
+                OPENSSL_ia32cap_P[2] = (unsigned int)vecx;
+                OPENSSL_ia32cap_P[3] = (unsigned int)(vecx >> 32);
+            }
         } else {
             OPENSSL_ia32cap_P[2] = 0;
+            OPENSSL_ia32cap_P[3] = 0;
         }
     } else {
         vec = OPENSSL_ia32_cpuid(OPENSSL_ia32cap_P);

crypto/x86_64cpuid.pl

@@ -68,7 +68,7 @@ OPENSSL_ia32_cpuid:
 .cfi_register	%rbx,%r8
 
 	xor	%eax,%eax
-	mov	%eax,8(%rdi)		# clear extended feature flags
+	mov	%rax,8(%rdi)		# clear extended feature flags
 	cpuid
 	mov	%eax,%r11d		# max value for standard query level
 
@@ -187,6 +187,7 @@ OPENSSL_ia32_cpuid:
 	and	\$0xfff7ffff,%ebx	# clear ADCX/ADOX flag
 .Lnotknights:
 	mov	%ebx,8(%rdi)		# save extended feature flags
+	mov	%ecx,12(%rdi)
 .Lno_extended_info:
 
 	bt	\$27,%r9d		# check OSXSAVE bit

doc/man3/OPENSSL_ia32cap.pod

@@ -110,6 +110,10 @@ a.k.a. AVX512IFMA extension;
 
 =item bit #64+31 denoting availability of AVX512VL extension;
 
+=item bit #64+41 denoting availability of VAES extension;
+
+=item bit #64+42 denoting availability of VPCLMULQDQ extension;
+
 =back
 
 To control this extended capability word use ':' as delimiter when
@@ -130,6 +134,7 @@ requirements are summarized in below table:
    ADCX/ADOX   | 2.23   | 2.10   | 3.3
    AVX512      | 2.25   | 2.11.8 | see NOTES
    AVX512IFMA  | 2.26   | 2.11.8 | see NOTES
+   VAES        | n/a    | n/a    |
 
 =head1 NOTES