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| author | Mandeep Singh Grang <mgrang@codeaurora.org> | 2018-06-13 18:49:35 +0000 |
|---|---|---|
| committer | Mandeep Singh Grang <mgrang@codeaurora.org> | 2018-06-13 18:49:35 +0000 |
| commit | 2d283830977b751564ca6a03ecc7c8260e72bafc (patch) | |
| tree | ed011862bc3a0f659da58a032b627372002ec963 | |
| parent | 20b051ba41233365c5223ae7eadd0764da383951 (diff) | |
| download | llvm-2d283830977b751564ca6a03ecc7c8260e72bafc.zip llvm-2d283830977b751564ca6a03ecc7c8260e72bafc.tar.gz llvm-2d283830977b751564ca6a03ecc7c8260e72bafc.tar.bz2 | |
[COFF] Add ARM64 intrinsics: __yield, __wfe, __wfi, __sev, __sevl
Summary: These intrinsics result in hint instructions. They are provided here for MSVC ARM64 compatibility.
Reviewers: mstorsjo, compnerd, javed.absar
Reviewed By: mstorsjo
Subscribers: kristof.beyls, chrib, cfe-commits
Differential Revision: https://reviews.llvm.org/D48132
llvm-svn: 334639
| -rw-r--r-- | clang/include/clang/Basic/BuiltinsAArch64.def | 6 | ||||
| -rw-r--r-- | clang/lib/CodeGen/CGBuiltin.cpp | 5 | ||||
| -rw-r--r-- | clang/test/CodeGen/arm64-microsoft-intrinsics.c | 35 |
3 files changed, 46 insertions, 0 deletions
diff --git a/clang/include/clang/Basic/BuiltinsAArch64.def b/clang/include/clang/Basic/BuiltinsAArch64.def index f902acc..af336ae 100644 --- a/clang/include/clang/Basic/BuiltinsAArch64.def +++ b/clang/include/clang/Basic/BuiltinsAArch64.def @@ -65,9 +65,15 @@ BUILTIN(__builtin_arm_wsr, "vcC*Ui", "nc") BUILTIN(__builtin_arm_wsr64, "vcC*LUi", "nc") BUILTIN(__builtin_arm_wsrp, "vcC*vC*", "nc") +// MSVC LANGBUILTIN(__dmb, "vUi", "nc", ALL_MS_LANGUAGES) LANGBUILTIN(__dsb, "vUi", "nc", ALL_MS_LANGUAGES) LANGBUILTIN(__isb, "vUi", "nc", ALL_MS_LANGUAGES) +LANGBUILTIN(__yield, "v", "", ALL_MS_LANGUAGES) +LANGBUILTIN(__wfe, "v", "", ALL_MS_LANGUAGES) +LANGBUILTIN(__wfi, "v", "", ALL_MS_LANGUAGES) +LANGBUILTIN(__sev, "v", "", ALL_MS_LANGUAGES) +LANGBUILTIN(__sevl, "v", "", ALL_MS_LANGUAGES) // MSVC intrinsics for volatile but non-acquire/release loads and stores LANGBUILTIN(__iso_volatile_load8, "ccCD*", "n", ALL_MS_LANGUAGES) diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index 9325839..3c4184d8 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -6362,18 +6362,23 @@ Value *CodeGenFunction::EmitAArch64BuiltinExpr(unsigned BuiltinID, HintID = 0; break; case AArch64::BI__builtin_arm_yield: + case AArch64::BI__yield: HintID = 1; break; case AArch64::BI__builtin_arm_wfe: + case AArch64::BI__wfe: HintID = 2; break; case AArch64::BI__builtin_arm_wfi: + case AArch64::BI__wfi: HintID = 3; break; case AArch64::BI__builtin_arm_sev: + case AArch64::BI__sev: HintID = 4; break; case AArch64::BI__builtin_arm_sevl: + case AArch64::BI__sevl: HintID = 5; break; } diff --git a/clang/test/CodeGen/arm64-microsoft-intrinsics.c b/clang/test/CodeGen/arm64-microsoft-intrinsics.c index ff802e7..2dbf1f9 100644 --- a/clang/test/CodeGen/arm64-microsoft-intrinsics.c +++ b/clang/test/CodeGen/arm64-microsoft-intrinsics.c @@ -24,3 +24,38 @@ void check__isb(void) { // CHECK-MSVC: @llvm.aarch64.isb(i32 0) // CHECK-LINUX: error: implicit declaration of function '__isb' + +void check__yield(void) { + __yield(); +} + +// CHECK-MSVC: @llvm.aarch64.hint(i32 1) +// CHECK-LINUX: error: implicit declaration of function '__yield' + +void check__wfe(void) { + __wfe(); +} + +// CHECK-MSVC: @llvm.aarch64.hint(i32 2) +// CHECK-LINUX: error: implicit declaration of function '__wfe' + +void check__wfi(void) { + __wfi(); +} + +// CHECK-MSVC: @llvm.aarch64.hint(i32 3) +// CHECK-LINUX: error: implicit declaration of function '__wfi' + +void check__sev(void) { + __sev(); +} + +// CHECK-MSVC: @llvm.aarch64.hint(i32 4) +// CHECK-LINUX: error: implicit declaration of function '__sev' + +void check__sevl(void) { + __sevl(); +} + +// CHECK-MSVC: @llvm.aarch64.hint(i32 5) +// CHECK-LINUX: error: implicit declaration of function '__sevl' |