[PATCH] D35118: [AArch64] Add support for handling the +sve target feature
Amara Emerson via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Jul 7 04:28:44 PDT 2017
aemerson created this revision.
aemerson added a project: clang.
Herald added subscribers: kristof.beyls, tschuett, javed.absar.
[AArch64] Add support for handling the +sve target feature.
This also adds the appropriate predefine for SVE if enabled.
Depends on https://reviews.llvm.org/D35076
Repository:
rL LLVM
https://reviews.llvm.org/D35118
Files:
lib/Basic/Targets.cpp
test/Preprocessor/aarch64-target-features.c
Index: test/Preprocessor/aarch64-target-features.c
===================================================================
--- test/Preprocessor/aarch64-target-features.c
+++ test/Preprocessor/aarch64-target-features.c
@@ -37,6 +37,7 @@
// CHECK-NOT: __ARM_PCS_VFP 1
// CHECK-NOT: __ARM_SIZEOF_MINIMAL_ENUM 1
// CHECK-NOT: __ARM_SIZEOF_WCHAR_T 2
+// CHECK-NOT: __ARM_FEATURE_SVE
// RUN: %clang -target aarch64_be-eabi -x c -E -dM %s -o - | FileCheck %s -check-prefix CHECK-BIGENDIAN
// CHECK-BIGENDIAN: __ARM_BIG_ENDIAN 1
@@ -84,6 +85,10 @@
// CHECK-GENERIC: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+neon"
// RUN: %clang -target aarch64 -mtune=cyclone -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-MTUNE-CYCLONE %s
+
+// RUN: %clang -target aarch64-none-linux-gnu -march=armv8-a+sve -x c -E -dM %s -o - | FileCheck --check-prefix=CHECK-SVE %s
+// CHECK-SVE: __ARM_FEATURE_SVE 1
+
// ================== Check whether -mtune accepts mixed-case features.
// RUN: %clang -target aarch64 -mtune=CYCLONE -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-MTUNE-CYCLONE %s
// CHECK-MTUNE-CYCLONE: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-feature" "+neon" "-target-feature" "+zcm" "-target-feature" "+zcz"
Index: lib/Basic/Targets.cpp
===================================================================
--- lib/Basic/Targets.cpp
+++ lib/Basic/Targets.cpp
@@ -6242,8 +6242,8 @@
static const char *const GCCRegNames[];
enum FPUModeEnum {
- FPUMode,
- NeonMode
+ NeonMode = (1 << 0),
+ SveMode = (1 << 1)
};
unsigned FPU;
@@ -6377,12 +6377,15 @@
Builder.defineMacro("__ARM_SIZEOF_MINIMAL_ENUM",
Opts.ShortEnums ? "1" : "4");
- if (FPU == NeonMode) {
+ if (FPU & NeonMode) {
Builder.defineMacro("__ARM_NEON", "1");
// 64-bit NEON supports half, single and double precision operations.
Builder.defineMacro("__ARM_NEON_FP", "0xE");
}
+ if (FPU & SveMode)
+ Builder.defineMacro("__ARM_FEATURE_SVE", "1");
+
if (CRC)
Builder.defineMacro("__ARM_FEATURE_CRC32", "1");
@@ -6418,21 +6421,24 @@
return Feature == "aarch64" ||
Feature == "arm64" ||
Feature == "arm" ||
- (Feature == "neon" && FPU == NeonMode);
+ (Feature == "neon" && (FPU & NeonMode)) ||
+ (Feature == "sve" && (FPU & SveMode));
}
bool handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) override {
- FPU = FPUMode;
+ FPU = 0;
CRC = 0;
Crypto = 0;
Unaligned = 1;
HasFullFP16 = 0;
ArchKind = llvm::AArch64::ArchKind::AK_ARMV8A;
for (const auto &Feature : Features) {
if (Feature == "+neon")
- FPU = NeonMode;
+ FPU |= NeonMode;
+ if (Feature == "+sve")
+ FPU |= SveMode;
if (Feature == "+crc")
CRC = 1;
if (Feature == "+crypto")
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D35118.105620.patch
Type: text/x-patch
Size: 2920 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/cfe-commits/attachments/20170707/a317dc3f/attachment-0001.bin>
More information about the cfe-commits
mailing list