[llvm-branch-commits] [llvm] f344c02 - [AArch64] Add missing "pauth" feature to the .arch_extension directive.

[Mark Murray via llvm-branch-commits]

Author: Mark Murray
Date: 2021-01-20T11:57:39Z
New Revision: f344c028dea34c1f1ec3b901d7a4c4d5d867384d

URL: https://github.com/llvm/llvm-project/commit/f344c028dea34c1f1ec3b901d7a4c4d5d867384d
DIFF: https://github.com/llvm/llvm-project/commit/f344c028dea34c1f1ec3b901d7a4c4d5d867384d.diff

LOG: [AArch64] Add missing "pauth" feature to the .arch_extension directive.

Differential Revision: https://reviews.llvm.org/D94970

Added: 
    llvm/test/MC/AArch64/armv8.3a-pauth.s

Modified: 
    llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
    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 0916cf92640b..bcc5630b3ccd 100644
--- a/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
+++ b/llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
@@ -2915,6 +2915,7 @@ static const struct Extension {
     {"sve2-bitperm", {AArch64::FeatureSVE2BitPerm}},
     {"ls64", {AArch64::FeatureLS64}},
     {"xs", {AArch64::FeatureXS}},
+    {"pauth", {AArch64::FeaturePAuth}},
     // FIXME: Unsupported extensions
     {"pan", {}},
     {"lor", {}},

diff  --git a/llvm/test/MC/AArch64/armv8.3a-pauth.s b/llvm/test/MC/AArch64/armv8.3a-pauth.s
new file mode 100644
index 000000000000..153bf687fcc8
--- /dev/null
+++ b/llvm/test/MC/AArch64/armv8.3a-pauth.s
@@ -0,0 +1,6 @@
+// RUN: llvm-mc -triple aarch64-none-linux-gnu -show-encoding -mattr=+pauth   < %s | FileCheck %s
+
+paciasp
+
+// CHECK: .text
+// CHECK: paciasp // encoding: [0x3f,0x23,0x03,0xd5]

diff  --git a/llvm/test/MC/AArch64/directive-arch_extension.s b/llvm/test/MC/AArch64/directive-arch_extension.s
index a44b14ddeea2..7041f613c4c8 100644
--- a/llvm/test/MC/AArch64/directive-arch_extension.s
+++ b/llvm/test/MC/AArch64/directive-arch_extension.s
@@ -71,3 +71,7 @@ ldapr x0, [x1]
 .arch_extension ls64
 ld64b x0, [x13]
 // CHECK: ld64b x0, [x13]
+
+.arch_extension pauth
+paciasp
+// CHECK: paciasp