[PATCH] D69012: [Headers] Fix compatibility between arm_acle.h and intrin.h
Eli Friedman via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Tue Oct 15 16:14:11 PDT 2019
efriedma created this revision.
efriedma added reviewers: rnk, chill.
Herald added a subscriber: kristof.beyls.
Herald added a project: clang.
Make sure they don't both define __nop. We use a similar pattern for other functions in arm_acle.h.
Repository:
rC Clang
https://reviews.llvm.org/D69012
Files:
lib/Headers/arm_acle.h
test/Headers/arm-acle-header.c
Index: test/Headers/arm-acle-header.c
===================================================================
--- test/Headers/arm-acle-header.c
+++ test/Headers/arm-acle-header.c
@@ -4,6 +4,12 @@
// RUN: %clang_cc1 -x c++ -triple armv7-eabi -target-cpu cortex-a15 -fsyntax-only -ffreestanding %s
// RUN: %clang_cc1 -x c++ -triple aarch64-eabi -target-cpu cortex-a57 -fsyntax-only -ffreestanding %s
// RUN: %clang_cc1 -x c++ -triple thumbv7-windows -target-cpu cortex-a15 -fsyntax-only -ffreestanding %s
+// RUN: %clang_cc1 -x c++ -triple thumbv7-windows -target-cpu cortex-a15 -fsyntax-only -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=19.11 %s
+// RUN: %clang_cc1 -x c++ -triple aarch64-windows -target-cpu cortex-a53 -fsyntax-only -ffreestanding -fms-extensions -fms-compatibility -fms-compatibility-version=19.11 %s
// expected-no-diagnostics
#include <arm_acle.h>
+#ifdef _MSC_VER
+#include <intrin.h>
+#endif
+void f() { __nop(); __dmb(0); __wfi(); }
Index: lib/Headers/arm_acle.h
===================================================================
--- lib/Headers/arm_acle.h
+++ lib/Headers/arm_acle.h
@@ -90,9 +90,11 @@
#endif
/* 8.7 NOP */
+#if !defined(_MSC_VER) || !defined(__aarch64__)
static __inline__ void __attribute__((__always_inline__, __nodebug__)) __nop(void) {
__builtin_arm_nop();
}
+#endif
/* 9 DATA-PROCESSING INTRINSICS */
/* 9.2 Miscellaneous data-processing intrinsics */
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