From 95f54eeb404105a71e281745e78be1c86fc23c6f Mon Sep 17 00:00:00 2001
From: Justine Tunney <jtunney@gmail.com>
Date: Wed, 10 Aug 2022 12:16:43 -0700
Subject: [PATCH] Release Landlock Make v1.0.1

---
 examples/dot.c          | 42 +++++++++++++++++++++++++++++++++++++++++
 third_party/make/main.c |  2 +-
 2 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 examples/dot.c

diff --git a/examples/dot.c b/examples/dot.c
new file mode 100644
index 000000000..09d377522
--- /dev/null
+++ b/examples/dot.c
@@ -0,0 +1,42 @@
+#if 0
+/*─────────────────────────────────────────────────────────────────╗
+│ To the extent possible under law, Justine Tunney has waived      │
+│ all copyright and related or neighboring rights to this file,    │
+│ as it is written in the following disclaimers:                   │
+│   • http://unlicense.org/                                        │
+│   • http://creativecommons.org/publicdomain/zero/1.0/            │
+╚─────────────────────────────────────────────────────────────────*/
+#endif
+#include "libc/macros.internal.h"
+#include "libc/stdio/stdio.h"
+
+typedef float xmm_t __attribute__((__vector_size__(16), __aligned__(4)));
+
+float dotvector(float *x, float *y, size_t n) {
+  size_t i;
+  float res;
+  if (n > 64) {
+    return dotvector(x, y, n / 2) + dotvector(x + n / 2, y + n / 2, n - n / 2);
+  }
+  for (res = i = 0; i < n; ++i) {
+    if (i + 4 <= n) {
+      xmm_t res4 = (xmm_t){0};
+      do {
+        res4 += *(xmm_t *)(x + i) * *(xmm_t *)(y + i);
+      } while ((i += 4) + 4 <= n);
+      res += res4[0];
+      res += res4[1];
+      res += res4[2];
+      res += res4[3];
+      continue;
+    }
+    res += x[i] * y[i];
+  }
+  return res;
+}
+
+int main(int argc, char *argv[]) {
+  float x[] = {1, 2, 3, 4, 1, 2, 3, 4};
+  float y[] = {4, 3, 2, 1, 1, 2, 3, 4};
+  printf("%g\n", dotvector(x, y, ARRAYLEN(x)));
+}
diff --git a/third_party/make/main.c b/third_party/make/main.c
index db78c19d0..eba98d7d9 100644
--- a/third_party/make/main.c
+++ b/third_party/make/main.c
@@ -2971,7 +2971,7 @@ print_version (void)
     /* Do it only once.  */
     return;
 
-  printf ("%sGNU Make %s\n", precede, version_string);
+  printf ("%sLandlock Make 1.0.1 (GNU Make %s)\n", precede, version_string);
 
   if (!remote_description || *remote_description == '\0')
     printf (_("%sBuilt for %s\n"), precede, make_host);