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RAS extensions are part of ARMv8.2. 

This patch enables +ras +noras to AArch64 in clang.

Patch by: Roger Ferrer Ibanez and Oliver Stannard

Differential Revision: http://reviews.llvm.org/D20283

llvm-svn: 271672
This commit is contained in:
Sjoerd Meijer 2016-06-03 14:08:20 +00:00
parent b53452b2b1
commit ba7a16ff33
3 changed files with 16 additions and 0 deletions
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2
clang/lib/Driver/Tools.cpp
View File

@ -2282,12 +2282,14 @@ static bool DecodeAArch64Features(const Driver &D, StringRef text,
.Case("crypto", "+crypto")
.Case("fp16", "+fullfp16")
.Case("profile", "+spe")
.Case("ras", "+ras")
.Case("nofp", "-fp-armv8")
.Case("nosimd", "-neon")
.Case("nocrc", "-crc")
.Case("nocrypto", "-crypto")
.Case("nofp16", "-fullfp16")
.Case("noprofile", "-spe")
.Case("noras", "-ras")
.Default(nullptr);
if (result)
Features.push_back(result);

7
clang/test/Driver/aarch64-ras.c Normal file
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@ -0,0 +1,7 @@
// RUN: %clang -target aarch64-none-none-eabi -march=armv8a+ras -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-RAS %s
// RUN: %clang -target aarch64-none-none-eabi -mcpu=generic+ras -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-RAS %s
// CHECK-RAS: "-target-feature" "+ras"
// RUN: %clang -target aarch64-none-none-eabi -march=armv8a+noras -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NORAS %s
// RUN: %clang -target aarch64-none-none-eabi -mcpu=generic+noras -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NORAS %s
// CHECK-NORAS: "-target-feature" "-ras"

7
clang/test/Driver/arm-ras.c Normal file
View File

@ -0,0 +1,7 @@
// RUN: %clang -target arm-none-none-eabi -march=armv8a+ras -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-RAS %s
// RUN: %clang -target arm-none-none-eabi -mcpu=generic+ras -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-RAS %s
// CHECK-RAS: "-target-feature" "+ras"
// RUN: %clang -target arm-none-none-eabi -march=armv8a+noras -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NORAS %s
// RUN: %clang -target arm-none-none-eabi -mcpu=generic+noras -### -c %s 2>&1 | FileCheck --check-prefix=CHECK-NORAS %s
// CHECK-NORAS: "-target-feature" "-ras"