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-rw-r--r--include/clang/Basic/DiagnosticDriverKinds.td3
-rw-r--r--lib/Driver/ToolChains/Arch/ARM.cpp33
-rw-r--r--test/Driver/arm-features.c25
3 files changed, 45 insertions, 16 deletions
diff --git a/include/clang/Basic/DiagnosticDriverKinds.td b/include/clang/Basic/DiagnosticDriverKinds.td
index 4ee3745f55..c6554ff862 100644
--- a/include/clang/Basic/DiagnosticDriverKinds.td
+++ b/include/clang/Basic/DiagnosticDriverKinds.td
@@ -384,6 +384,9 @@ def warn_target_unsupported_abs2008 : Warning<
def warn_target_unsupported_compact_branches : Warning<
"ignoring '-mcompact-branches=' option because the '%0' architecture does not"
" support it">, InGroup<UnsupportedCB>;
+def warn_target_unsupported_extension : Warning<
+ "ignoring extension '%0' because the '%1' architecture does not support it">,
+ InGroup<InvalidCommandLineArgument>;
def warn_drv_unsupported_gpopt : Warning<
"ignoring '-mgpopt' option as it cannot be used with %select{|the implicit"
" usage of }0-mabicalls">,
diff --git a/lib/Driver/ToolChains/Arch/ARM.cpp b/lib/Driver/ToolChains/Arch/ARM.cpp
index d1db583e52..65e1100ee9 100644
--- a/lib/Driver/ToolChains/Arch/ARM.cpp
+++ b/lib/Driver/ToolChains/Arch/ARM.cpp
@@ -477,23 +477,26 @@ fp16_fml_fallthrough:
Features.push_back("-crc");
}
- // For Arch >= ARMv8.0: crypto = sha2 + aes
+ // For Arch >= ARMv8.0 && A profile: crypto = sha2 + aes
// FIXME: this needs reimplementation after the TargetParser rewrite
- if (ArchName.find_lower("armv8a") != StringRef::npos ||
- ArchName.find_lower("armv8.1a") != StringRef::npos ||
- ArchName.find_lower("armv8.2a") != StringRef::npos ||
- ArchName.find_lower("armv8.3a") != StringRef::npos ||
- ArchName.find_lower("armv8.4a") != StringRef::npos) {
- if (ArchName.find_lower("+crypto") != StringRef::npos) {
- if (ArchName.find_lower("+nosha2") == StringRef::npos)
+ auto CryptoIt =
+ llvm::find_if(llvm::reverse(Features),
+ [](const StringRef F) { return F.contains("crypto"); });
+ if (CryptoIt != Features.rend() && CryptoIt->take_front() == "+") {
+ StringRef ArchSuffix = arm::getLLVMArchSuffixForARM(
+ arm::getARMTargetCPU(CPUName, ArchName, Triple), ArchName, Triple);
+ if (llvm::ARM::parseArchVersion(ArchSuffix) >= 8 &&
+ llvm::ARM::parseArchProfile(ArchSuffix) == llvm::ARM::ProfileKind::A) {
+ if (ArchName.find_lower("+nosha2") == StringRef::npos &&
+ CPUName.find_lower("+nosha2") == StringRef::npos)
Features.push_back("+sha2");
- if (ArchName.find_lower("+noaes") == StringRef::npos)
+ if (ArchName.find_lower("+noaes") == StringRef::npos &&
+ CPUName.find_lower("+noaes") == StringRef::npos)
Features.push_back("+aes");
- } else if (ArchName.find_lower("-crypto") != StringRef::npos) {
- if (ArchName.find_lower("+sha2") == StringRef::npos)
- Features.push_back("-sha2");
- if (ArchName.find_lower("+aes") == StringRef::npos)
- Features.push_back("-aes");
+ } else {
+ D.Diag(clang::diag::warn_target_unsupported_extension)
+ << "crypto" << llvm::ARM::getArchName(llvm::ARM::parseArch(ArchSuffix));
+ Features.push_back("-crypto");
}
}
@@ -655,7 +658,7 @@ std::string arm::getARMTargetCPU(StringRef CPU, StringRef Arch,
llvm::ARM::ArchKind arm::getLLVMArchKindForARM(StringRef CPU, StringRef Arch,
const llvm::Triple &Triple) {
llvm::ARM::ArchKind ArchKind;
- if (CPU == "generic") {
+ if (CPU == "generic" || CPU.empty()) {
std::string ARMArch = tools::arm::getARMArch(Arch, Triple);
ArchKind = llvm::ARM::parseArch(ARMArch);
if (ArchKind == llvm::ARM::ArchKind::INVALID)
diff --git a/test/Driver/arm-features.c b/test/Driver/arm-features.c
index b278af15fa..d3dbfac52a 100644
--- a/test/Driver/arm-features.c
+++ b/test/Driver/arm-features.c
@@ -37,7 +37,8 @@
// RUN: %clang -target arm-arm-none-eabi -march=armv8.2a+crypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CRYPTO2 %s
// RUN: %clang -target arm-arm-none-eabi -march=armv8.3a+crypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CRYPTO2 %s
// RUN: %clang -target arm-arm-none-eabi -march=armv8.4a+crypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CRYPTO2 %s
-// CHECK-CRYPTO2: "-cc1"{{.*}} "-target-cpu" "generic"{{.*}} "-target-feature" "+crypto" "-target-feature" "+sha2" "-target-feature" "+aes"
+// RUN: %clang -target arm-arm-none-eabi -march=armv8.5a+crypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CRYPTO2 %s
+// CHECK-CRYPTO2: "-cc1"{{.*}} "-target-cpu" "generic"{{.*}} "-target-feature" "+crypto"{{.*}} "-target-feature" "+sha2" "-target-feature" "+aes"
//
// Check -crypto:
//
@@ -45,14 +46,36 @@
// RUN: %clang -target arm-arm-none-eabi -march=armv8.2a+nocrypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-NOCRYPTO2 %s
// RUN: %clang -target arm-arm-none-eabi -march=armv8.3a+nocrypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-NOCRYPTO2 %s
// RUN: %clang -target arm-arm-none-eabi -march=armv8.4a+nocrypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-NOCRYPTO2 %s
+// RUN: %clang -target arm-arm-none-eabi -march=armv8.5a+nocrypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-NOCRYPTO2 %s
// CHECK-NOCRYPTO2-NOT: "-target-feature" "+crypto" "-target-feature" "+sha2" "-target-feature" "+aes"
//
+// RUN: %clang -target arm-arm-none-eabi -mcpu=cortex-a57+crypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CRYPTO2-CPU %s
+// RUN: %clang -target arm-arm-none-eabi -mcpu=cortex-a57 -mfpu=crypto-neon-fp-armv8 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CRYPTO2-CPU %s
+// CHECK-CRYPTO2-CPU: "-cc1"{{.*}} "-target-cpu" "cortex-a57"{{.*}} "-target-feature" "+crypto"{{.*}} "-target-feature" "+sha2" "-target-feature" "+aes"
+//
+// RUN: %clang -target arm-arm-none-eabi -mcpu=cortex-a57+norypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-NOCRYPTO2-CPU %s
+// RUN: %clang -target arm-arm-none-eabi -mcpu=cortex-a57 -mfpu=neon-fp-armv8 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-NOCRYPTO2-CPU %s
+// CHECK-NOCRYPTO2-CPU-NOT: "-cc1"{{.*}} "-target-cpu" "cortex-a57"{{.*}} "-target-feature" "+crypto"{{.*}} "-target-feature" "+sha2" "-target-feature" "+aes"
+//
// Check +crypto -sha2 -aes:
//
// RUN: %clang -target arm-arm-none-eabi -march=armv8.1a+crypto+nosha2+noaes -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CRYPTO3 %s
+// RUN: %clang -target arm-arm-none-eabi -mcpu=cortex-a57+crypto+nosha2+noaes -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CRYPTO3 %s
+// RUN: %clang -target arm-arm-none-eabi -mcpu=cortex-a57+nosha2+noaes -mfpu=crypto-neon-fp-armv8 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CRYPTO3 %s
// CHECK-CRYPTO3-NOT: "-target-feature" "+sha2" "-target-feature" "+aes"
//
// Check -crypto +sha2 +aes:
//
// RUN: %clang -target arm-arm-none-eabi -march=armv8.1a+nocrypto+sha2+aes -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CRYPTO4 %s
+// RUN: %clang -target arm-arm-none-eabi -mcpu=cortex-a57+nocrypto+sha2+aes -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CRYPTO4 %s
+// RUN: %clang -target arm-arm-none-eabi -mcpu=cortex-a57+sha2+aes -mfpu=neon-fp-armv8 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-CRYPTO4 %s
// CHECK-CRYPTO4: "-target-feature" "+sha2" "-target-feature" "+aes"
+//
+// Check +crypto for M and R profiles:
+//
+// RUN: %clang -target arm-arm-none-eabi -march=armv8-r+crypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-NOCRYPTO5 %s
+// RUN: %clang -target arm-arm-none-eabi -march=armv8-m.base+crypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-NOCRYPTO5 %s
+// RUN: %clang -target arm-arm-none-eabi -march=armv8-m.main+crypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-NOCRYPTO5 %s
+// RUN: %clang -target arm-arm-none-eabi -mcpu=cortex-m23+crypto -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-NOCRYPTO5 %s
+// CHECK-NOCRYPTO5: warning: ignoring extension 'crypto' because the {{.*}} architecture does not support it
+// CHECK-NOCRYPTO5-NOT: "-target-feature" "+crypto"{{.*}} "-target-feature" "+sha2" "-target-feature" "+aes"
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