From e78020210a782def1570f7e2adef94b2b647cc0d Mon Sep 17 00:00:00 2001
From: Robert Khasanov <rob.khasanov@gmail.com>
Date: Fri, 19 Sep 2014 10:17:06 +0000
Subject: [PATCH] [x86] Added _addcarryx_u32, _addcarryx_u64 intrinsics

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@218117 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/clang/Basic/BuiltinsX86.def |  4 +++
 lib/Headers/CMakeLists.txt          |  1 +
 lib/Headers/adxintrin.h             | 49 +++++++++++++++++++++++++++++
 lib/Headers/immintrin.h             |  4 +++
 test/CodeGen/adx-builtins.c         | 17 ++++++++++
 5 files changed, 75 insertions(+)
 create mode 100644 lib/Headers/adxintrin.h
 create mode 100644 test/CodeGen/adx-builtins.c

diff --git a/include/clang/Basic/BuiltinsX86.def b/include/clang/Basic/BuiltinsX86.def
index 4180dbe348..0cced4cfbd 100644
--- a/include/clang/Basic/BuiltinsX86.def
+++ b/include/clang/Basic/BuiltinsX86.def
@@ -625,6 +625,10 @@ BUILTIN(__builtin_ia32_rdrand16_step, "UiUs*", "")
 BUILTIN(__builtin_ia32_rdrand32_step, "UiUi*", "")
 BUILTIN(__builtin_ia32_rdrand64_step, "UiULLi*", "")
 
+// ADX
+BUILTIN(__builtin_ia32_addcarryx_u32, "UcUcUiUiUi*", "")
+BUILTIN(__builtin_ia32_addcarryx_u64, "UcUcULLiULLiULLi*", "")
+
 // RDSEED
 BUILTIN(__builtin_ia32_rdseed16_step, "UiUs*", "")
 BUILTIN(__builtin_ia32_rdseed32_step, "UiUi*", "")
diff --git a/lib/Headers/CMakeLists.txt b/lib/Headers/CMakeLists.txt
index 5b3b49f9ad..d23e2122e3 100644
--- a/lib/Headers/CMakeLists.txt
+++ b/lib/Headers/CMakeLists.txt
@@ -1,4 +1,5 @@
 set(files
+  adxintrin.h
   altivec.h
   ammintrin.h
   arm_acle.h
diff --git a/lib/Headers/adxintrin.h b/lib/Headers/adxintrin.h
new file mode 100644
index 0000000000..650279e8f7
--- /dev/null
+++ b/lib/Headers/adxintrin.h
@@ -0,0 +1,49 @@
+/*===---- adxintrin.h - ADX intrinsics -------------------------------------===
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ *===-----------------------------------------------------------------------===
+ */
+
+#ifndef __IMMINTRIN_H
+#error "Never use <adxintrin.h> directly; include <immintrin.h> instead."
+#endif
+
+#ifndef __ADXINTRIN_H
+#define __ADXINTRIN_H
+
+#ifdef __ADX__
+static __inline unsigned char __attribute__((__always_inline__, __nodebug__))
+_addcarryx_u32(unsigned char __cf, unsigned int __x, unsigned int __y,
+               unsigned int *__p)
+{
+  return __builtin_ia32_addcarryx_u32(__cf, __x, __y, __p);
+}
+
+#ifdef __x86_64__
+static __inline unsigned char __attribute__((__always_inline__, __nodebug__))
+_addcarryx_u64(unsigned char __cf, unsigned long __x, unsigned long __y,
+               unsigned long long  *__p)
+{
+  return __builtin_ia32_addcarryx_u64(__cf, __x, __y, __p);
+}
+#endif
+#endif
+
+#endif /* __ADXINTRIN_H */
diff --git a/lib/Headers/immintrin.h b/lib/Headers/immintrin.h
index 00121f4856..38c020604a 100644
--- a/lib/Headers/immintrin.h
+++ b/lib/Headers/immintrin.h
@@ -123,4 +123,8 @@ _xtest(void)
 #include <shaintrin.h>
 #endif
 
+/* Some intrinsics inside adxintrin.h are available only if __ADX__ defined,
+ * whereas others are also available if __ADX__ undefined */
+#include <adxintrin.h>
+
 #endif /* __IMMINTRIN_H */
diff --git a/test/CodeGen/adx-builtins.c b/test/CodeGen/adx-builtins.c
new file mode 100644
index 0000000000..65b4dfd5f5
--- /dev/null
+++ b/test/CodeGen/adx-builtins.c
@@ -0,0 +1,17 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -ffreestanding -target-feature +adx -emit-llvm -o - %s | FileCheck %s
+
+#include <x86intrin.h>
+
+unsigned char test_addcarryx_u32(unsigned char __cf, unsigned int __x,
+                                 unsigned int __y, unsigned int *__p) {
+// CHECK-LABEL: test_addcarryx_u32
+// CHECK: call i8 @llvm.x86.addcarryx.u32
+  return _addcarryx_u32(__cf, __x, __y, __p);
+}
+
+unsigned char test_addcarryx_u64(unsigned char __cf, unsigned long __x,
+                                 unsigned long __y, unsigned long long *__p) {
+// CHECK-LABEL: test_addcarryx_u64
+// CHECK: call i8 @llvm.x86.addcarryx.u64
+  return _addcarryx_u64(__cf, __x, __y, __p);
+}
-- 
2.40.0