Adding remark to the effect that we support ARM

lemire · web-flow · commit 5312c7ff318d · 2019-07-09T19:47:41.000-04:00
diff --git a/README.md b/README.md
@@ -52,7 +52,10 @@ On a Skylake processor, the parsing speeds (in GB/s) of various processors on th
 ## Requirements
 
 - We support platforms like Linux or macOS, as well as Windows through Visual Studio 2017 or later.
-- A processor with AVX2 (i.e., Intel processors starting with the Haswell microarchitecture released 2013 and AMD processors starting with the Zen microarchitecture released 2017) or at least SSE 4.2 (i.e., Intel processors going back to Nehalem released in 2008 or AMD processors starting with the Jaguar used in the PS4 and XBox One).
+- A processor with 
+  - AVX2 (i.e., Intel processors starting with the Haswell microarchitecture released 2013 and AMD processors starting with the Zen microarchitecture released 2017), 
+  - or SSE 4.2 (i.e., Intel processors going back to Nehalem released in 2008 or AMD processors starting with the Jaguar used in the PS4 and XBox One)
+  - or a 64-bit ARM processor (ARMv8-A): this covers a wide range of mobile processors, including all Apple processors currently available for sale.
 - A recent C++ compiler (e.g., GNU GCC or LLVM CLANG or Visual Studio 2017), we assume C++17. GNU GCC 7 or better or LLVM's clang 6 or better.
 - Some benchmark scripts assume bash and other common utilities, but they are optional.
 
