[PATCH] D56685: [COFF, ARM64] Add __byteswap intrinsics
Mandeep Singh Grang via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon Jan 14 17:30:25 PST 2019
This revision was automatically updated to reflect the committed changes.
Closed by commit rC351147: [COFF, ARM64] Add __byteswap intrinsics (authored by mgrang, committed by ).
Repository:
rC Clang
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D56685/new/
https://reviews.llvm.org/D56685
Files:
lib/Headers/intrin.h
test/Headers/ms-arm64-intrin.cpp
Index: test/Headers/ms-arm64-intrin.cpp
===================================================================
--- test/Headers/ms-arm64-intrin.cpp
+++ test/Headers/ms-arm64-intrin.cpp
@@ -1,13 +1,29 @@
-// RUN: %clang_cc1 -triple arm64-windows \
+// REQUIRES: aarch64-registered-target
+
+// RUN: %clang_cc1 -triple arm64-windows -O1 \
// RUN: -fms-compatibility -fms-compatibility-version=17.00 \
// RUN: -ffreestanding -fsyntax-only -Werror \
-// RUN: -isystem %S/Inputs/include %s -S -o - 2>&1 | FileCheck %s
-
-// REQUIRES: aarch64-registered-target
+// RUN: -isystem %S/Inputs/include %s -S -o - -emit-llvm 2>&1 \
+// RUN: | FileCheck %s
#include <intrin.h>
-void f() {
-// CHECK: nop
+void check_nop() {
+// CHECK: "nop"
__nop();
}
+
+unsigned short check_byteswap_ushort(unsigned short val) {
+// CHECK: call i16 @llvm.bswap.i16(i16 %val)
+ return _byteswap_ushort(val);
+}
+
+unsigned long check_byteswap_ulong(unsigned long val) {
+// CHECK: call i32 @llvm.bswap.i32(i32 %val)
+ return _byteswap_ulong(val);
+}
+
+unsigned __int64 check_byteswap_uint64(unsigned __int64 val) {
+// CHECK: call i64 @llvm.bswap.i64(i64 %val)
+ return _byteswap_uint64(val);
+}
Index: lib/Headers/intrin.h
===================================================================
--- lib/Headers/intrin.h
+++ lib/Headers/intrin.h
@@ -566,6 +566,16 @@
long _InterlockedAdd(long volatile *Addend, long Value);
int _ReadStatusReg(int);
void _WriteStatusReg(int, int);
+
+static inline unsigned short _byteswap_ushort (unsigned short val) {
+ return __builtin_bswap16(val);
+}
+static inline unsigned long _byteswap_ulong (unsigned long val) {
+ return __builtin_bswap32(val);
+}
+static inline unsigned __int64 _byteswap_uint64 (unsigned __int64 val) {
+ return __builtin_bswap64(val);
+}
#endif
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