poly1305/asm/poly1305-ppc.pl: add vector base 2^26 implementation.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8120)

1 files changed, 10 insertions, 1 deletions

diff --git a/crypto/ppccap.c b/crypto/ppccap.c
index 70829e4c0e..9601674041 100644
--- a/crypto/ppccap.c
+++ b/crypto/ppccap.c
@@ -116,10 +116,19 @@ void poly1305_blocks_fpu(void *ctx, const unsigned char *inp, size_t len,
                          unsigned int padbit);
 void poly1305_emit_fpu(void *ctx, unsigned char mac[16],
                        const unsigned int nonce[4]);
+void poly1305_init_vsx(void *ctx, const unsigned char key[16]);
+void poly1305_blocks_vsx(void *ctx, const unsigned char *inp, size_t len,
+                         unsigned int padbit);
+void poly1305_emit_vsx(void *ctx, unsigned char mac[16],
+                       const unsigned int nonce[4]);
 int poly1305_init(void *ctx, const unsigned char key[16], void *func[2]);
 int poly1305_init(void *ctx, const unsigned char key[16], void *func[2])
 {
-    if (sizeof(size_t) == 4 && (OPENSSL_ppccap_P & PPC_FPU)) {
+    if (OPENSSL_ppccap_P & PPC_CRYPTO207) {
+        poly1305_init_int(ctx, key);
+        func[0] = (void*)(uintptr_t)poly1305_blocks_vsx;
+        func[1] = (void*)(uintptr_t)poly1305_emit;
+    } else if (sizeof(size_t) == 4 && (OPENSSL_ppccap_P & PPC_FPU)) {
         poly1305_init_fpu(ctx, key);
         func[0] = (void*)(uintptr_t)poly1305_blocks_fpu;
         func[1] = (void*)(uintptr_t)poly1305_emit_fpu;