From f2c69ecfe515cad5ac660f0f37dc96b7527d31be Mon Sep 17 00:00:00 2001
From: Matt Palmer <mpalmer@hezmatt.org>
Date: Sat, 25 Apr 2020 16:04:20 +1000
Subject: [PATCH] Add md5_update_vector_from_scalar

This is similar in concept to *_init_v_f_s, except that all
contexts in the vector are updated from the same scalar
array of data.
---
 OpenCL/inc_hash_md5.cl | 52 ++++++++++++++++++++++++++++++++++++++++++
 OpenCL/inc_hash_md5.h  |  1 +
 2 files changed, 53 insertions(+)

diff --git a/OpenCL/inc_hash_md5.cl b/OpenCL/inc_hash_md5.cl
index 3c52c1f40..7e18a735f 100644
--- a/OpenCL/inc_hash_md5.cl
+++ b/OpenCL/inc_hash_md5.cl
@@ -1486,6 +1486,58 @@ DECLSPEC void md5_update_vector (md5_ctx_vector_t *ctx, const u32x *w, const int
   md5_update_vector_64 (ctx, w0, w1, w2, w3, len - pos1);
 }
 
+DECLSPEC void md5_update_vector_from_scalar (md5_ctx_vector_t *ctx, const u32 *w, const int len)
+{
+  u32x w0[4];
+  u32x w1[4];
+  u32x w2[4];
+  u32x w3[4];
+
+  int pos1;
+  int pos4;
+
+  for (pos1 = 0, pos4 = 0; pos1 < len - 64; pos1 += 64, pos4 += 16)
+  {
+    w0[0] = w[pos4 +  0];
+    w0[1] = w[pos4 +  1];
+    w0[2] = w[pos4 +  2];
+    w0[3] = w[pos4 +  3];
+    w1[0] = w[pos4 +  4];
+    w1[1] = w[pos4 +  5];
+    w1[2] = w[pos4 +  6];
+    w1[3] = w[pos4 +  7];
+    w2[0] = w[pos4 +  8];
+    w2[1] = w[pos4 +  9];
+    w2[2] = w[pos4 + 10];
+    w2[3] = w[pos4 + 11];
+    w3[0] = w[pos4 + 12];
+    w3[1] = w[pos4 + 13];
+    w3[2] = w[pos4 + 14];
+    w3[3] = w[pos4 + 15];
+
+    md5_update_vector_64 (ctx, w0, w1, w2, w3, 64);
+  }
+
+  w0[0] = w[pos4 +  0];
+  w0[1] = w[pos4 +  1];
+  w0[2] = w[pos4 +  2];
+  w0[3] = w[pos4 +  3];
+  w1[0] = w[pos4 +  4];
+  w1[1] = w[pos4 +  5];
+  w1[2] = w[pos4 +  6];
+  w1[3] = w[pos4 +  7];
+  w2[0] = w[pos4 +  8];
+  w2[1] = w[pos4 +  9];
+  w2[2] = w[pos4 + 10];
+  w2[3] = w[pos4 + 11];
+  w3[0] = w[pos4 + 12];
+  w3[1] = w[pos4 + 13];
+  w3[2] = w[pos4 + 14];
+  w3[3] = w[pos4 + 15];
+
+  md5_update_vector_64 (ctx, w0, w1, w2, w3, len - pos1);
+}
+
 DECLSPEC void md5_update_vector_swap (md5_ctx_vector_t *ctx, const u32x *w, const int len)
 {
   u32x w0[4];
diff --git a/OpenCL/inc_hash_md5.h b/OpenCL/inc_hash_md5.h
index 1e6eaaf93..8b37d6969 100644
--- a/OpenCL/inc_hash_md5.h
+++ b/OpenCL/inc_hash_md5.h
@@ -121,6 +121,7 @@ DECLSPEC void md5_init_vector (md5_ctx_vector_t *ctx);
 DECLSPEC void md5_init_vector_from_scalar (md5_ctx_vector_t *ctx, md5_ctx_t *ctx0);
 DECLSPEC void md5_update_vector_64 (md5_ctx_vector_t *ctx, u32x *w0, u32x *w1, u32x *w2, u32x *w3, const int len);
 DECLSPEC void md5_update_vector (md5_ctx_vector_t *ctx, const u32x *w, const int len);
+DECLSPEC void md5_update_vector_from_scalar (md5_ctx_vector_t *ctx, const u32 *w, const int len);
 DECLSPEC void md5_update_vector_swap (md5_ctx_vector_t *ctx, const u32x *w, const int len);
 DECLSPEC void md5_update_vector_utf16le (md5_ctx_vector_t *ctx, const u32x *w, const int len);
 DECLSPEC void md5_update_vector_utf16le_swap (md5_ctx_vector_t *ctx, const u32x *w, const int len);