Update downloads for v1.20.0

Author: dbabokin

downloads.html

@@ -77,22 +77,23 @@ <h1>Downloading The Intel® Implicit SPMD Program Compiler</h1>
           source and binary form.
         </p>
         <p>
-          Here are latest released ISPC binaries based on LLVM 14.0.6:
+          Here are latest released ISPC binaries based on LLVM 15.0.7:
         </p>
           <ul>
-            <li><a href="https://github.com/ispc/ispc/releases/download/v1.19.0/ispc-v1.19.0-windows.zip">Windows (64 bit) ispc binary and examples (v1.19.0)</a></li>
-            <li><a href="https://github.com/ispc/ispc/releases/download/v1.19.0/ispc-v1.19.0-macOS.tar.gz">macOS (x86, 64 bit, 10.12 Sierra) ispc binary and examples (v1.19.0)</a></li>
-            <li><a href="https://github.com/ispc/ispc/releases/download/v1.19.0/ispc-v1.19.0-macOS.arm.tar.gz">macOS(ARM64, 12.6 Monterey) ispc binary and examples (v1.19.0)</a></li>
-            <li><a href="https://github.com/ispc/ispc/releases/download/v1.19.0/ispc-v1.19.0-linux.tar.gz">Linux (64 bit) ispc binary and examples (v1.19.0)</a></li>
+            <li><a href="https://github.com/ispc/ispc/releases/download/v1.20.0/ispc-v1.20.0-windows.zip">Windows (64 bit) ispc binary and examples (v1.20.0)</a></li>
+            <li><a href="https://github.com/ispc/ispc/releases/download/v1.20.0/ispc-v1.20.0-macOS.x86_64.tar.gz">macOS (x86, 64 bit, 10.12 Sierra) ispc binary and examples (v1.20.0)</a></li>
+            <li><a href="https://github.com/ispc/ispc/releases/download/v1.20.0/ispc-v1.20.0-macOS.arm64.tar.gz">macOS(ARM64, 11.0 Big Sur) ispc binary and examples (v1.20.0)</a></li>
+            <li><a href="https://github.com/ispc/ispc/releases/download/v1.20.0/ispc-v1.20.0-macOS.universal.tar.gz">macOS(Universal Binary, 10.12 Sierra) ispc binary and examples (v1.20.0)</a></li>
+            <li><a href="https://github.com/ispc/ispc/releases/download/v1.20.0/ispc-v1.20.0-linux.tar.gz">Linux (64 bit) ispc binary and examples (v1.20.0)</a></li>
           </ul>
           <p>
-            Here are latest ISPC binaries corresponding to main branch (based on LLVM 14.0):
+            Here are latest ISPC binaries corresponding to main branch (based on LLVM 15.0):
           </p>
           <ul>
             <li><a href="https://ci.appveyor.com/api/projects/ispc/ispc/artifacts/build%2Fispc-trunk-windows.zip?job=Environment%3A%20APPVEYOR_BUILD_WORKER_IMAGE%3DVisual%20Studio%202019%2C%20LLVM_VERSION%3Dlatest">Windows (64 bit)
-            ispc binary and examples (v1.20.0dev)</a></li>
+            ispc binary and examples (v1.21.0dev)</a></li>
 			<li><a href="https://ci.appveyor.com/api/projects/ispc/ispc/artifacts/build%2Fispc-trunk-linux.tar.gz?job=Environment%3A%20APPVEYOR_BUILD_WORKER_IMAGE%3DUbuntu1804%2C%20LLVM_VERSION%3Dlatest">Linux (64 bit)
-            ispc binary and examples (v1.20.0dev)</a></li>
+            ispc binary and examples (v1.21.0dev)</a></li>
             </ul>
           <p>
             Here is LLVM 3.5 based binary with experimental NVPTX support:
@@ -128,10 +129,10 @@ <h1>Downloading The Intel® Implicit SPMD Program Compiler</h1>
                 file of the top-of-tree source.</a></li>
             <li> <a href="https://github.com/ispc/ispc/tarball/main">tar.gz file
                 of the top-of-tree source.</a></li>
-            <li> <a href="https://github.com/ispc/ispc/zipball/v1.19.0">zip
-            file of the v1.19.0 source</a>, corresponding to the binaries above.</li>
-            <li> <a href="https://github.com/ispc/ispc/tarball/v1.19.0">tar.gz
-            file of the v1.19.0 source</a>, corresponding to the binaries above.</li>
+            <li> <a href="https://github.com/ispc/ispc/zipball/v1.20.0">zip
+            file of the v1.20.0 source</a>, corresponding to the binaries above.</li>
+            <li> <a href="https://github.com/ispc/ispc/tarball/v1.20.0">tar.gz
+            file of the v1.20.0 source</a>, corresponding to the binaries above.</li>
             </ul>
           <p> There is a page in the <tt>ispc</tt> wiki with instructions
           about <a href="https://github.com/ispc/ispc/wiki/Building-ispc">building