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[AARCH64] [MC] add memtag as an alias of mte architecture extension 

Add memtag as an alis of met architectture extesion to be consistent
with GNU as.

LINK:https://sourceware.org/bugzilla/show_bug.cgi?id=26339

Reviewed By: nickdesaulniers, MaskRay

Differential Revision: https://reviews.llvm.org/D85620
This commit is contained in:
Jian Cai 2020-08-11 12:19:32 -07:00
parent 9df7ee34e1
commit 277873ce0f
2 changed files with 5 additions and 0 deletions
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1
llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
View File

@ -2841,6 +2841,7 @@ static const struct Extension {
{"predres", {AArch64::FeaturePredRes}},
{"ccdp", {AArch64::FeatureCacheDeepPersist}},
{"mte", {AArch64::FeatureMTE}},
{"memtag", {AArch64::FeatureMTE}},
{"tlb-rmi", {AArch64::FeatureTLB_RMI}},
{"pan-rwv", {AArch64::FeaturePAN_RWV}},
{"ccpp", {AArch64::FeatureCCPP}},

4
llvm/test/MC/AArch64/directive-arch_extension.s
View File

@ -48,6 +48,10 @@ dc cvadp, x7
irg x0, x1
// CHECK: irg x0, x1
.arch_extension memtag
irg x0, x1
// CHECK: irg x0, x1
.arch_extension tlb-rmi
tlbi vmalle1os
// CHECK: tlbi vmalle1os