[llvm] 1a9577b - [AArch64] Add support for ls64 to the .arch_extension asm directive

[Lucas Prates via llvm-commits]

Author: Lucas Prates
Date: 2020-12-18T15:55:55Z
New Revision: 1a9577bde1dd3dc25eac2a78fb685f37351004cb

URL: https://github.com/llvm/llvm-project/commit/1a9577bde1dd3dc25eac2a78fb685f37351004cb
DIFF: https://github.com/llvm/llvm-project/commit/1a9577bde1dd3dc25eac2a78fb685f37351004cb.diff

LOG: [AArch64] Add support for ls64 to the .arch_extension asm directive

This adds support for the 'ls64' AArch64 extension to the `.arch_extension`
asm directive.

Reviewed By: ostannard

Differential Revision: https://reviews.llvm.org/D92574

Added: 
    

Modified: 
    llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
    llvm/test/MC/AArch64/directive-arch_extension-negative.s
    llvm/test/MC/AArch64/directive-arch_extension.s

Removed: 
    


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diff  --git a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
index 069bb5e44f0e..26e093bf4ce7 100644
--- a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
+++ b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
@@ -2912,6 +2912,7 @@ static const struct Extension {
     {"sve2-sm4", {AArch64::FeatureSVE2SM4}},
     {"sve2-sha3", {AArch64::FeatureSVE2SHA3}},
     {"sve2-bitperm", {AArch64::FeatureSVE2BitPerm}},
+    {"ls64", {AArch64::FeatureLS64}},
     {"xs", {AArch64::FeatureXS}},
     // FIXME: Unsupported extensions
     {"pan", {}},

diff  --git a/llvm/test/MC/AArch64/directive-arch_extension-negative.s b/llvm/test/MC/AArch64/directive-arch_extension-negative.s
index 8901247978a8..9d67abb80054 100644
--- a/llvm/test/MC/AArch64/directive-arch_extension-negative.s
+++ b/llvm/test/MC/AArch64/directive-arch_extension-negative.s
@@ -83,3 +83,8 @@ dc cvap, x7
 ldapr x0, [x1]
 // CHECK: error: instruction requires: rcpc
 // CHECK-NEXT: ldapr x0, [x1]
+
+.arch_extension nols64
+ld64b x0, [x13]
+// CHECK: error: instruction requires: ls64
+// CHECK-NEXT: ld64b x0, [x13]

diff  --git a/llvm/test/MC/AArch64/directive-arch_extension.s b/llvm/test/MC/AArch64/directive-arch_extension.s
index 790bcf355475..a44b14ddeea2 100644
--- a/llvm/test/MC/AArch64/directive-arch_extension.s
+++ b/llvm/test/MC/AArch64/directive-arch_extension.s
@@ -67,3 +67,7 @@ dc cvap, x7
 .arch_extension rcpc
 ldapr x0, [x1]
 // CHECK: ldapr x0, [x1]
+
+.arch_extension ls64
+ld64b x0, [x13]
+// CHECK: ld64b x0, [x13]