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[AArch64] armv8-A doesn't have LSE. 

r288279 mistakenly added it to all arches, but it's only available
from v8.1 onwards.

The testcase is awkward, because (I suspect) of PR32873.

Spotted by inspection.

llvm-svn: 301890
This commit is contained in:
Ahmed Bougacha 2017-05-02 00:45:01 +00:00
parent 5508ffaef2
commit 899a75cefe
2 changed files with 9 additions and 1 deletions
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2
llvm/include/llvm/Support/AArch64TargetParser.def
View File

@ -21,7 +21,7 @@ AARCH64_ARCH("invalid", AK_INVALID, nullptr, nullptr,
AARCH64_ARCH("armv8-a", AK_ARMV8A, "8-A", "v8", ARMBuildAttrs::CPUArch::v8_A,
FK_CRYPTO_NEON_FP_ARMV8,
(AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |
AArch64::AEK_SIMD | AArch64::AEK_LSE))
AArch64::AEK_SIMD))
AARCH64_ARCH("armv8.1-a", AK_ARMV8_1A, "8.1-A", "v8.1a",
ARMBuildAttrs::CPUArch::v8_A, FK_CRYPTO_NEON_FP_ARMV8,
(AArch64::AEK_CRC | AArch64::AEK_CRYPTO | AArch64::AEK_FP |

8
llvm/test/MC/AArch64/directive-arch-negative.s
View File

@ -36,6 +36,14 @@
# CHECK: error: instruction requires: ras
# CHECK: esb
// PR32873: without extra features, '.arch' is currently ignored.
// Add an unrelated feature to accept the directive.
.arch armv8+crc
casa w5, w7, [x19]
# CHECK: error: instruction requires: lse
# CHECK: casa w5, w7, [x19]
.arch armv8.1-a+nolse
casa w5, w7, [x20]