From 07257fe14ec24d43d675a8a24c30c0bc3d886e7d Mon Sep 17 00:00:00 2001
From: Saleem Abdulrasool <compnerd@compnerd.org>
Date: Sat, 12 Jul 2014 23:27:26 +0000
Subject: [PATCH] Headers: add hint intrinsics to arm_acle.h

This adds the ARM ACLE hint intrinsic wrappers to arm_acle.h.  These need to be
protected with a !defined(_MSC_VER) since MSVC (and thus clang in compatibility
mode) provide these wrappers as proper builtin intrinsics.

llvm-svn: 212891
---
 clang/lib/Headers/arm_acle.h         | 24 ++++++++++++++++++++++++
 clang/test/Headers/arm-acle-header.c | 10 ++++++----
 2 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/clang/lib/Headers/arm_acle.h b/clang/lib/Headers/arm_acle.h
index a7406fbf0a88..460f2975d461 100644
--- a/clang/lib/Headers/arm_acle.h
+++ b/clang/lib/Headers/arm_acle.h
@@ -34,6 +34,30 @@
 extern "C" {
 #endif
 
+/* 8.4 - Hints */
+
+#if !defined(_MSC_VER)
+static __inline__ void __attribute__((always_inline, nodebug)) __wfi(void) {
+  __builtin_arm_wfi();
+}
+
+static __inline__ void __attribute__((always_inline, nodebug)) __wfe(void) {
+  __builtin_arm_wfe();
+}
+
+static __inline__ void __attribute__((always_inline, nodebug)) __sev(void) {
+  __builtin_arm_sev();
+}
+
+static __inline__ void __attribute__((always_inline, nodebug)) __sevl(void) {
+  __builtin_arm_sevl();
+}
+
+static __inline__ void __attribute__((always_inline, nodebug)) __yield(void) {
+  __builtin_arm_yield();
+}
+#endif
+
 /* 9 DATA-PROCESSING INTRINSICS */
 /* 9.2 Miscellaneous data-processing intrinsics */
 static __inline__ uint32_t __attribute__((always_inline, nodebug))
diff --git a/clang/test/Headers/arm-acle-header.c b/clang/test/Headers/arm-acle-header.c
index 523e77e4866f..d9d2e04c945c 100644
--- a/clang/test/Headers/arm-acle-header.c
+++ b/clang/test/Headers/arm-acle-header.c
@@ -1,7 +1,9 @@
-// RUN: %clang_cc1 -triple armv7 -target-cpu cortex-a15 -fsyntax-only -ffreestanding %s
-// RUN: %clang_cc1 -triple aarch64 -target-cpu cortex-a53 -fsyntax-only -ffreestanding %s
-// RUN: %clang_cc1 -x c++ -triple armv7 -target-cpu cortex-a15 -fsyntax-only -ffreestanding %s
-// RUN: %clang_cc1 -x c++ -triple aarch64 -target-cpu cortex-a57 -fsyntax-only -ffreestanding %s
+// RUN: %clang_cc1 -triple armv7-eabi -target-cpu cortex-a15 -fsyntax-only -ffreestanding %s
+// RUN: %clang_cc1 -triple aarch64-eabi -target-cpu cortex-a53 -fsyntax-only -ffreestanding %s
+// RUN: %clang_cc1 -triple thumbv7-windows -target-cpu cortex-a53 -fsyntax-only -ffreestanding %s
+// 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
 // expected-no-diagnostics
 
 #include <arm_acle.h>