[PATCH] D82368: [SystemZ/zos] Define Endian constants for z/OS.
Kai Nacke via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jun 23 05:17:26 PDT 2020
Kai created this revision.
Kai added reviewers: labath, rnk, dschuff, jfb, uweigand, yusra.syeda, kbarton.
Herald added subscribers: llvm-commits, dexonsmith.
Herald added a project: LLVM.
This is needed to build LLVM on z/OS, as there is no header file which provides these constants.
https://reviews.llvm.org/D82368
Files:
llvm/include/llvm/Support/SwapByteOrder.h
Index: llvm/include/llvm/Support/SwapByteOrder.h
===================================================================
--- llvm/include/llvm/Support/SwapByteOrder.h
+++ llvm/include/llvm/Support/SwapByteOrder.h
@@ -35,6 +35,10 @@
#else
#define BYTE_ORDER LITTLE_ENDIAN
#endif
+#elif defined(__MVS__)
+#define BIG_ENDIAN 4321
+#define LITTLE_ENDIAN 1234
+#define BYTE_ORDER BIG_ENDIAN
#else
#if !defined(BYTE_ORDER) && !defined(_WIN32)
#include <machine/endian.h>
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