Added e2k support (MCST Elbrus 2000) (microsoft#5222)

- Add e2k target to config.guess - Update config-ix.cmake to support e2k E2K - this is VLIW/EPIC architecture, like Intel Itanium (IA-64) architecture. Ref: 1) https://en.wikipedia.org/wiki/Elbrus_2000 2) https://lists.gnu.org/archive/html/config-patches/2015-03/msg00000.html
Keenuts · Sep 11, 2023 · 9cb80b6 · 9cb80b6
1 parent 4f0ace9
commit 9cb80b6
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diff --git a/autoconf/config.guess b/autoconf/config.guess
@@ -909,6 +909,9 @@ EOF
     crisv32:Linux:*:*)
 	echo crisv32-axis-linux-gnu
 	exit ;;
+    e2k:Linux:*:*)
+	echo ${UNAME_MACHINE}-unknown-linux-gnu
+	exit ;;
     frv:Linux:*:*)
 	echo frv-unknown-linux-gnu
 	exit ;;

diff --git a/cmake/config-ix.cmake b/cmake/config-ix.cmake
@@ -367,6 +367,8 @@ elseif (LLVM_NATIVE_ARCH MATCHES "wasm64")
   set(LLVM_NATIVE_ARCH WebAssembly)
 elseif (LLVM_NATIVE_ARCH MATCHES "riscv64")
   set(LLVM_NATIVE_ARCH RISCV)
+elseif (LLVM_NATIVE_ARCH MATCHES "e2k")
+  set(LLVM_NATIVE_ARCH E2K)
 else ()
   message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}")
 endif ()