Update patches for clang 3.9
Patches 1-2 are just rebased from the earlier version for clang 3.8, no changes in surrounding code there. Patch 3 is necessary to fix a regression in assembling standalone assembly files in 3.9. Patch 4 makes clang work in MSVC mode with the MSVC SDK for ARM (to simplify testing of the toolchain in that mode).
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Martin Storsjö authored and Martin Storsjo committed
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@@ -0,0 +1,126 @@
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From b9f0418bc4b3f7869d549bb020271c19e69cce26 Mon Sep 17 00:00:00 2001
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From: Saleem Abdulrasool <compnerd@compnerd.org>
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Date: Sat, 6 Aug 2016 17:58:24 +0000
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Subject: [PATCH 4/4] Headers: Add ARM support to intrin.h for MSVC
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compatibility
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This fixes compiling with headers from the Windows SDK for ARM, where the
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YieldProcessor function (in winnt.h) refers to _ARM_BARRIER_ISHST.
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The actual MSVC armintr.h contains a lot more definitions, but this is enough to
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build code that uses the Windows SDK but doesn't use ARM intrinsics directly.
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An alternative would to just keep the addition to intrin.h (to include
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armintr.h), but not actually ship armintr.h, instead having clang's intrin.h
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include armintr.h from MSVC's include directory. (That one works fine with
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clang, at least for building code that uses the Windows SDK.)
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Patch by Martin Storsjö!
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Cherry-picked from SVN trunk commit 277928, git mirror commit
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cfc8939a5f1.
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---
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lib/Headers/CMakeLists.txt | 1 +
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lib/Headers/armintr.h | 45 +++++++++++++++++++++++++++++++++++++++++++++
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lib/Headers/intrin.h | 4 ++++
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test/Headers/ms-intrin.cpp | 4 ++++
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4 files changed, 54 insertions(+)
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create mode 100644 lib/Headers/armintr.h
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diff --git a/lib/Headers/CMakeLists.txt b/lib/Headers/CMakeLists.txt
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index 657ef7e..600fece 100644
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--- a/lib/Headers/CMakeLists.txt
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+++ b/lib/Headers/CMakeLists.txt
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@@ -3,6 +3,7 @@ set(files
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altivec.h
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ammintrin.h
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arm_acle.h
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+ armintr.h
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avx2intrin.h
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avx512bwintrin.h
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avx512cdintrin.h
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diff --git a/lib/Headers/armintr.h b/lib/Headers/armintr.h
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new file mode 100644
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index 0000000..933afcb
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--- /dev/null
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+++ b/lib/Headers/armintr.h
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@@ -0,0 +1,45 @@
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+/*===---- armintr.h - ARM Windows intrinsics -------------------------------===
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a copy
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+ * of this software and associated documentation files (the "Software"), to deal
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+ * in the Software without restriction, including without limitation the rights
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+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+ * copies of the Software, and to permit persons to whom the Software is
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+ * furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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+ * THE SOFTWARE.
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+ *
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+ *===-----------------------------------------------------------------------===
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+ */
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+
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+/* Only include this if we're compiling for the windows platform. */
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+#ifndef _MSC_VER
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+#include_next <armintr.h>
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+#else
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+
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+#ifndef __ARMINTR_H
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+#define __ARMINTR_H
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+
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+typedef enum
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+{
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+ _ARM_BARRIER_SY = 0xF,
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+ _ARM_BARRIER_ST = 0xE,
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+ _ARM_BARRIER_ISH = 0xB,
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+ _ARM_BARRIER_ISHST = 0xA,
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+ _ARM_BARRIER_NSH = 0x7,
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+ _ARM_BARRIER_NSHST = 0x6,
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+ _ARM_BARRIER_OSH = 0x3,
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+ _ARM_BARRIER_OSHST = 0x2
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+} _ARMINTR_BARRIER_TYPE;
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+
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+#endif /* __ARMINTR_H */
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+#endif /* _MSC_VER */
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diff --git a/lib/Headers/intrin.h b/lib/Headers/intrin.h
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index f18711a..268ac4a 100644
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--- a/lib/Headers/intrin.h
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+++ b/lib/Headers/intrin.h
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@@ -34,6 +34,10 @@
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#include <x86intrin.h>
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#endif
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+#if defined(__arm__)
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+#include <armintr.h>
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+#endif
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+
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/* For the definition of jmp_buf. */
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#if __STDC_HOSTED__
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#include <setjmp.h>
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diff --git a/test/Headers/ms-intrin.cpp b/test/Headers/ms-intrin.cpp
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index c697428..25c5531 100644
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--- a/test/Headers/ms-intrin.cpp
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+++ b/test/Headers/ms-intrin.cpp
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@@ -60,4 +60,8 @@ void f() {
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__readcr3();
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__writecr3(0);
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#endif
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+
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+#ifdef _M_ARM
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+ __dmb(_ARM_BARRIER_ISHST);
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+#endif
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}
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--
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2.7.4
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