[clang] [llvm] [RISCV] Add -march support for many of the S extensions mentioned in the profile specification. (PR #79399)

via llvm-commits llvm-commits at lists.llvm.org
Wed Jan 24 18:43:16 PST 2024


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Craig Topper (topperc)

<details>
<summary>Changes</summary>

This is a good portion of the extensions mentioned in the RVA23 profile here https://github.com/riscv/riscv-profiles/blob/main/rva23-profile.adoc

I don't believe these add any new CSRs. Sstc does add new CSRs, but we already added them without the extension name a while back.

I tried to keep the descriptions in RISCVFeatures.td fairly short since the strings show up in `-print-supported-extensions`.

---

Patch is 23.03 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/79399.diff


7 Files Affected:

- (modified) clang/test/Preprocessor/riscv-target-features.c (+145-1) 
- (modified) llvm/docs/RISCVUsage.rst (+15) 
- (modified) llvm/lib/Support/RISCVISAInfo.cpp (+16) 
- (modified) llvm/lib/Target/RISCV/RISCVFeatures.td (+59) 
- (modified) llvm/test/CodeGen/RISCV/attributes.ll (+64) 
- (modified) llvm/test/MC/RISCV/attribute-arch.s (+48) 
- (modified) llvm/unittests/Support/RISCVISAInfoTest.cpp (+16) 


``````````diff
diff --git a/clang/test/Preprocessor/riscv-target-features.c b/clang/test/Preprocessor/riscv-target-features.c
index 39d2c66f14b23f..ecfd351388039d 100644
--- a/clang/test/Preprocessor/riscv-target-features.c
+++ b/clang/test/Preprocessor/riscv-target-features.c
@@ -19,9 +19,25 @@
 // CHECK-NOT: __riscv_m {{.*$}}
 // CHECK-NOT: __riscv_mul {{.*$}}
 // CHECK-NOT: __riscv_muldiv {{.*$}}
+// CHECK-NOT: __riscv_shcounterenw {{.*$}}
+// CHECK-NOT: __riscv_shgatpa {{.*$}}
+// CHECK-NOT: __riscv_shtvala {{.*$}}
+// CHECK-NOT: __riscv_shvsatpa {{.*$}}
+// CHECK-NOT: __riscv_shvstvala {{.*$}}
+// CHECK-NOT: __riscv_shvstvecd {{.*$}}
 // CHECK-NOT: __riscv_smaia {{.*$}}
-// CHECK-NOT: __riscv_ssaia {{.*$}}
 // CHECK-NOT: __riscv_smepmp {{.*$}}
+// CHECK-NOT: __riscv_ssaia {{.*$}}
+// CHECK-NOT: __riscv_ssccptr {{.*$}}
+// CHECK-NOT: __riscv_sscounterenw {{.*$}}
+// CHECK-NOT: __riscv_ssstateen {{.*$}}
+// CHECK-NOT: __riscv_sstc {{.*$}}
+// CHECK-NOT: __riscv_sstvala {{.*$}}
+// CHECK-NOT: __riscv_sstvecd {{.*$}}
+// CHECK-NOT: __riscv_ssu64xl {{.*$}}
+// CHECK-NOT: __riscv_svade {{.*$}}
+// CHECK-NOT: __riscv_svadu {{.*$}}
+// CHECK-NOT: __riscv_svbare {{.*$}}
 // CHECK-NOT: __riscv_svinval {{.*$}}
 // CHECK-NOT: __riscv_svnapot {{.*$}}
 // CHECK-NOT: __riscv_svpbmt {{.*$}}
@@ -269,6 +285,134 @@
 // CHECK-M-EXT: __riscv_mul 1
 // CHECK-M-EXT: __riscv_muldiv 1
 
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32ishcounterenw -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SHCOUNTERENW-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64ishcounterenw -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SHCOUNTERENW-EXT %s
+// CHECK-SHCOUNTERENW-EXT: __riscv_shcounterenw 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32ishgatpa -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SHGATPA-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64ishgatpa -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SHGATPA-EXT %s
+// CHECK-SHGATPA-EXT: __riscv_shgatpa 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32ishtvala -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SHTVALA-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64ishtvala -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SHTVALA-EXT %s
+// CHECK-SHTVALA-EXT: __riscv_shtvala 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32ishvsatpa -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SHVSATPA-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64ishvsatpa -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SHVSATPA-EXT %s
+// CHECK-SHVSATPA-EXT: __riscv_shvsatpa 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32ishvstvala -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SHVSTVALA-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64ishvstvala -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SHVSTVALA-EXT %s
+// CHECK-SHVSTVALA-EXT: __riscv_shvstvala 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32ishvstvecd -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SHVSTVECD-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64ishvstvecd -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SHVSTVECD-EXT %s
+// CHECK-SHVSTVECD-EXT: __riscv_shvstvecd 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32issccptr -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSCCPTR-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64issccptr -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSCCPTR-EXT %s
+// CHECK-SSCCPTR-EXT: __riscv_ssccptr 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32isscounterenw -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSCOUNTERENW-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64isscounterenw -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSCOUNTERENW-EXT %s
+// CHECK-SSCOUNTERENW-EXT: __riscv_sscounterenw 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32issstateen -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSSTATEEN-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64issstateen -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSSTATEEN-EXT %s
+// CHECK-SSSTATEEN-EXT: __riscv_ssstateen 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32isstc -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSTC-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64isstc -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSTC-EXT %s
+// CHECK-SSTC-EXT: __riscv_sstc 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32isstvala -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSTVALA-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64isstvala -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSTVALA-EXT %s
+// CHECK-SSTVALA-EXT: __riscv_sstvala 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32isstvecd -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSTVECD-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64isstvecd -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSTVECD-EXT %s
+// CHECK-SSTVECD-EXT: __riscv_sstvecd 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32issu64xl -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSU64XL-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64issu64xl -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SSU64XL-EXT %s
+// CHECK-SSU64XL-EXT: __riscv_ssu64xl 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32isvade -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SVADE-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64isvade -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SVADE-EXT %s
+// CHECK-SVADE-EXT: __riscv_svade 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32isvadu -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SVADU-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64isvadu -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SVADU-EXT %s
+// CHECK-SVADU-EXT: __riscv_svadu 1000000{{$}}
+
+// RUN: %clang --target=riscv32-unknown-linux-gnu \
+// RUN: -march=rv32isvbare -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SVBARE-EXT %s
+// RUN: %clang --target=riscv64-unknown-linux-gnu \
+// RUN: -march=rv64isvbare -x c -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-SVBARE-EXT %s
+// CHECK-SVBARE-EXT: __riscv_svbare 1000000{{$}}
+
 // RUN: %clang --target=riscv32-unknown-linux-gnu \
 // RUN: -march=rv32isvinval -x c -E -dM %s \
 // RUN: -o - | FileCheck --check-prefix=CHECK-SVINVAL-EXT %s
diff --git a/llvm/docs/RISCVUsage.rst b/llvm/docs/RISCVUsage.rst
index 6fdc945ad27078..c184ca4746b919 100644
--- a/llvm/docs/RISCVUsage.rst
+++ b/llvm/docs/RISCVUsage.rst
@@ -91,9 +91,24 @@ on support follow.
      ``E``            Supported (`See note <#riscv-rve-note>`__)
      ``H``            Assembly Support
      ``M``            Supported
+     ``Shcounterenw`` Assembly Support
+     ``Shgatpa``      Assembly Support
+     ``Shtvala``      Assembly Support
+     ``Shvsatpa``    Assembly Support
+     ``Shvstvala``    Assembly Support
+     ``Shvstvecd``    Assembly Support
      ``Smaia``        Supported
      ``Smepmp``       Supported
      ``Ssaia``        Supported
+     ``Ssccptr``      Assembly Support
+     ``Sscounterenw`` Assembly Support
+     ``Sstc``         Assembly Support
+     ``Sstvala``      Assembly Support
+     ``Sstvecd``      Assembly Support
+     ``ssu64xl``      Assembly Support
+     ``Svade``        Assembly Support
+     ``Svadu``        Assembly Support
+     ``Svbare``       Assembly Support
      ``Svinval``      Assembly Support
      ``Svnapot``      Assembly Support
      ``Svpbmt``       Supported
diff --git a/llvm/lib/Support/RISCVISAInfo.cpp b/llvm/lib/Support/RISCVISAInfo.cpp
index 3c02492e99f1db..073f498d8beef8 100644
--- a/llvm/lib/Support/RISCVISAInfo.cpp
+++ b/llvm/lib/Support/RISCVISAInfo.cpp
@@ -54,9 +54,25 @@ static const RISCVSupportedExtension SupportedExtensions[] = {
     {"i", {2, 1}},
     {"m", {2, 0}},
 
+    {"shcounterenw", {1, 0}},
+    {"shgatpa", {1, 0}},
+    {"shtvala", {1, 0}},
+    {"shvsatpa", {1, 0}},
+    {"shvstvala", {1, 0}},
+    {"shvstvecd", {1, 0}},
     {"smaia", {1, 0}},
     {"smepmp", {1, 0}},
     {"ssaia", {1, 0}},
+    {"ssccptr", {1, 0}},
+    {"sscounterenw", {1, 0}},
+    {"ssstateen", {1, 0}},
+    {"sstc", {1, 0}},
+    {"sstvala", {1, 0}},
+    {"sstvecd", {1, 0}},
+    {"ssu64xl", {1, 0}},
+    {"svade", {1, 0}},
+    {"svadu", {1, 0}},
+    {"svbare", {1, 0}},
     {"svinval", {1, 0}},
     {"svnapot", {1, 0}},
     {"svpbmt", {1, 0}},
diff --git a/llvm/lib/Target/RISCV/RISCVFeatures.td b/llvm/lib/Target/RISCV/RISCVFeatures.td
index 3878be680c0492..e40b1442921c76 100644
--- a/llvm/lib/Target/RISCV/RISCVFeatures.td
+++ b/llvm/lib/Target/RISCV/RISCVFeatures.td
@@ -751,6 +751,13 @@ def HasStdExtH : Predicate<"Subtarget->hasStdExtH()">,
 
 // Supervisor extensions
 
+def FeatureStdExtShgatpa
+    : SubtargetFeature<"shgatpa", "HasStdExtShgatpa", "true",
+                       "'Sgatpa' (SvNNx4 mode supported for all modes supported by satp, as well as Bare)", []>;
+def FeatureStdExtShvsatpa
+    : SubtargetFeature<"shvsatpa", "HasStdExtSvsatpa", "true",
+                       "'Svsatpa' (vsatp supports all modes supported by satp)", []>;
+
 def FeatureStdExtSmaia
     : SubtargetFeature<"smaia", "HasStdExtSmaia", "true",
                        "'Smaia' (Advanced Interrupt Architecture Machine "
@@ -764,6 +771,58 @@ def FeatureStdExtSmepmp
     : SubtargetFeature<"smepmp", "HasStdExtSmepmp", "true",
                        "'Smepmp' (Enhanced Physical Memory Protection)", []>;
 
+def FeatureStdExtSsccptr
+    : SubtargetFeature<"ssccptr", "HasStdExtSsccptr", "true",
+                       "'Ssccptr' (Main memory supports page table reads)", []>;
+
+def FeatureStdExtShcounterenvw
+    : SubtargetFeature<"shcounterenw", "HasStdExtShcounterenw", "true",
+                       "'Shcounterenw' (Support writeable enables for any supproted counter)", []>;
+def FeatureStdExtSscounterenvw
+    : SubtargetFeature<"sscounterenw", "HasStdExtSscounterenw", "true",
+                       "'Sscounterenw' (Support writeable enables for any supproted counter)", []>;
+
+def FeatureStdExtSsstateen
+    : SubtargetFeature<"ssstateen", "HasStdExtSsstateen", "true",
+                       "'Ssstateen' (Supervisor-mode view of the state-enable extension)", []>;
+
+def FeatureStdExtSstc
+    : SubtargetFeature<"sstc", "HasStdExtSstc", "true",
+                       "'Sstc' (Supervisor-mode timer interrupts)", []>;
+
+def FeatureStdExtShtvala
+    : SubtargetFeature<"shtvala", "HasStdExtShtvala", "true",
+                       "'Shtvala' (htval provides all needed values)", []>;
+def FeatureStdExtShvstvala
+    : SubtargetFeature<"shvstvala", "HasStdExtShvstvala", "true",
+                       "'Shvstvala' (vstval provides all needed values)", []>;
+def FeatureStdExtSstvala
+    : SubtargetFeature<"sstvala", "HasStdExtSstvala", "true",
+                       "'Sstvala' (stval provides all needed values)", []>;
+
+def FeatureStdExtShvstvecd
+    : SubtargetFeature<"shvstvecd", "HasStdExtShvstvecd", "true",
+                       "'Shvstvecd' (vstvec supports Direct mode)", []>;
+def FeatureStdExtSstvecd
+    : SubtargetFeature<"sstvecd", "HasStdExtSstvecd", "true",
+                       "'Sstvecd' (stvec supports Direct mode)", []>;
+
+def FeatureStdExtSsu64xl
+    : SubtargetFeature<"ssu64xl", "HasStdExtSsu64xl", "true",
+                       "'Ssu64xl' (UXLEN=64 supported)", []>;
+
+def FeaturesStdExtSvade
+    : SubtargetFeature<"svade", "HasStdExtSvade", "true",
+                       "'Svade' (Raise exceptions on improper A/D bits)", []>;
+
+def FeaturesStdExtSvadu
+    : SubtargetFeature<"svadu", "HasStdExtSvadu", "true",
+                       "'Svadu' (Hardware A/D updates)", []>;
+
+def FeaturesStdExtSvbare
+    : SubtargetFeature<"svbare", "HasStdExtSvbare", "true",
+                       "'Svbare' $(satp mode Bare supported)", []>;
+
 def FeatureStdExtSvinval
     : SubtargetFeature<"svinval", "HasStdExtSvinval", "true",
                        "'Svinval' (Fine-Grained Address-Translation Cache Invalidation)">;
diff --git a/llvm/test/CodeGen/RISCV/attributes.ll b/llvm/test/CodeGen/RISCV/attributes.ll
index b90bef7525379d..3e009b8208fd3e 100644
--- a/llvm/test/CodeGen/RISCV/attributes.ll
+++ b/llvm/test/CodeGen/RISCV/attributes.ll
@@ -38,6 +38,22 @@
 ; RUN: llc -mtriple=riscv32 -mattr=+zicbom %s -o - | FileCheck --check-prefixes=CHECK,RV32ZICBOM %s
 ; RUN: llc -mtriple=riscv32 -mattr=+zicboz %s -o - | FileCheck --check-prefixes=CHECK,RV32ZICBOZ %s
 ; RUN: llc -mtriple=riscv32 -mattr=+zicbop %s -o - | FileCheck --check-prefixes=CHECK,RV32ZICBOP %s
+; RUN: llc -mtriple=riscv32 -mattr=+shcounterenw %s -o - | FileCheck --check-prefixes=CHECK,RV32SHCOUNTERENW %s
+; RUN: llc -mtriple=riscv32 -mattr=+shgatpa %s -o - | FileCheck --check-prefixes=CHECK,RV32SHGATPA %s
+; RUN: llc -mtriple=riscv32 -mattr=+shvsatpa %s -o - | FileCheck --check-prefixes=CHECK,RV32SHVSATPA %s
+; RUN: llc -mtriple=riscv32 -mattr=+ssccptr %s -o - | FileCheck --check-prefixes=CHECK,RV32SSCCPTR %s
+; RUN: llc -mtriple=riscv32 -mattr=+sscounterenw %s -o - | FileCheck --check-prefixes=CHECK,RV32SSCOUNTERENW %s
+; RUN: llc -mtriple=riscv32 -mattr=+ssstateen %s -o - | FileCheck --check-prefixes=CHECK,RV32SSSTATEEN %s
+; RUN: llc -mtriple=riscv32 -mattr=+sstc %s -o - | FileCheck --check-prefixes=CHECK,RV32SSTC %s
+; RUN: llc -mtriple=riscv32 -mattr=+shtvala %s -o - | FileCheck --check-prefixes=CHECK,RV32SHTVALA %s
+; RUN: llc -mtriple=riscv32 -mattr=+shvstvala %s -o - | FileCheck --check-prefixes=CHECK,RV32SHVSTVALA %s
+; RUN: llc -mtriple=riscv32 -mattr=+shvstvecd %s -o - | FileCheck --check-prefixes=CHECK,RV32SHVSTVECD %s
+; RUN: llc -mtriple=riscv32 -mattr=+sstvala %s -o - | FileCheck --check-prefixes=CHECK,RV32SSTVALA %s
+; RUN: llc -mtriple=riscv32 -mattr=+sstvecd %s -o - | FileCheck --check-prefixes=CHECK,RV32SSTVECD %s
+; RUN: llc -mtriple=riscv32 -mattr=+ssu64xl %s -o - | FileCheck --check-prefixes=CHECK,RV32SSU64XL %s
+; RUN: llc -mtriple=riscv32 -mattr=+svade %s -o - | FileCheck --check-prefixes=CHECK,RV32SVADE %s
+; RUN: llc -mtriple=riscv32 -mattr=+svadu %s -o - | FileCheck --check-prefixes=CHECK,RV32SVADU %s
+; RUN: llc -mtriple=riscv32 -mattr=+svbare %s -o - | FileCheck --check-prefixes=CHECK,RV32SVBARE %s
 ; RUN: llc -mtriple=riscv32 -mattr=+svnapot %s -o - | FileCheck --check-prefixes=CHECK,RV32SVNAPOT %s
 ; RUN: llc -mtriple=riscv32 -mattr=+svpbmt %s -o - | FileCheck --check-prefixes=CHECK,RV32SVPBMT %s
 ; RUN: llc -mtriple=riscv32 -mattr=+svinval %s -o - | FileCheck --check-prefixes=CHECK,RV32SVINVAL %s
@@ -135,6 +151,22 @@
 ; RUN: llc -mtriple=riscv64 -mattr=+zicbom %s -o - | FileCheck --check-prefixes=CHECK,RV64ZICBOM %s
 ; RUN: llc -mtriple=riscv64 -mattr=+zicboz %s -o - | FileCheck --check-prefixes=CHECK,RV64ZICBOZ %s
 ; RUN: llc -mtriple=riscv64 -mattr=+zicbop %s -o - | FileCheck --check-prefixes=CHECK,RV64ZICBOP %s
+; RUN: llc -mtriple=riscv64 -mattr=+shcounterenw %s -o - | FileCheck --check-prefixes=CHECK,RV64SHCOUNTERENW %s
+; RUN: llc -mtriple=riscv64 -mattr=+shgatpa %s -o - | FileCheck --check-prefixes=CHECK,RV64SHGATPA %s
+; RUN: llc -mtriple=riscv64 -mattr=+shvsatpa %s -o - | FileCheck --check-prefixes=CHECK,RV64SHVSATPA %s
+; RUN: llc -mtriple=riscv64 -mattr=+ssccptr %s -o - | FileCheck --check-prefixes=CHECK,RV64SSCCPTR %s
+; RUN: llc -mtriple=riscv64 -mattr=+sscounterenw %s -o - | FileCheck --check-prefixes=CHECK,RV64SSCOUNTERENW %s
+; RUN: llc -mtriple=riscv64 -mattr=+ssstateen %s -o - | FileCheck --check-prefixes=CHECK,RV64SSSTATEEN %s
+; RUN: llc -mtriple=riscv64 -mattr=+sstc %s -o - | FileCheck --check-prefixes=CHECK,RV64SSTC %s
+; RUN: llc -mtriple=riscv64 -mattr=+shtvala %s -o - | FileCheck --check-prefixes=CHECK,RV64SHTVALA %s
+; RUN: llc -mtriple=riscv64 -mattr=+shvstvala %s -o - | FileCheck --check-prefixes=CHECK,RV64SHVSTVALA %s
+; RUN: llc -mtriple=riscv64 -mattr=+shvstvecd %s -o - | FileCheck --check-prefixes=CHECK,RV64SHVSTVECD %s
+; RUN: llc -mtriple=riscv64 -mattr=+sstvala %s -o - | FileCheck --check-prefixes=CHECK,RV64SSTVALA %s
+; RUN: llc -mtriple=riscv64 -mattr=+sstvecd %s -o - | FileCheck --check-prefixes=CHECK,RV64SSTVECD %s
+; RUN: llc -mtriple=riscv64 -mattr=+ssu64xl %s -o - | FileCheck --check-prefixes=CHECK,RV64SSU64XL %s
+; RUN: llc -mtriple=riscv64 -mattr=+svade %s -o - | FileCheck --check-prefixes=CHECK,RV64SVADE %s
+; RUN: llc -mtriple=riscv64 -mattr=+svadu %s -o - | FileCheck --check-prefixes=CHECK,RV64SVADU %s
+; RUN: llc -mtriple=riscv64 -mattr=+svbare %s -o - | FileCheck --check-prefixes=CHECK,RV64SVBARE %s
 ; RUN: llc -mtriple=riscv64 -mattr=+svnapot %s -o - | FileCheck --check-prefixes=CHECK,RV64SVNAPOT %s
 ; RUN: llc -mtriple=riscv64 -mattr=+svpbmt %s -o - | FileCheck --check-prefixes=CHECK,RV64SVPBMT %s
 ; RUN: llc -mtriple=riscv64 -mattr=+svinval %s -o - | FileCheck --check-prefixes=CHECK,RV64SVINVAL %s
@@ -237,6 +269,22 @@
 ; RV32ZICBOM: .attribute 5, "rv32i2p1_zicbom1p0"
 ; RV32ZICBOZ: .attribute 5, "rv32i2p1_zicboz1p0"
 ; RV32ZICBOP: .attribute 5, "rv32i2p1_zicbop1p0"
+; RV32SHCOUNTERENW: .attribute 5, "rv32i2p1_shcounterenw1p0"
+; RV32SHGATPA: .attribute 5, "rv32i2p1_shgatpa1p0"
+; RV32SHVSATPA: .attribute 5, "rv32i2p1_shvsatpa1p0"
+; RV32SSCCPTR: .attribute 5, "rv32i2p1_ssccptr1p0"
+; RV32SSCOUNTERENW: .attribute 5, "rv32i2p1_sscounterenw1p0"
+; RV32SSSTATEEN: .attribute 5, "rv32i2p1_ssstateen1p0"
+; RV32SSTC: .attribute 5, "rv32i2p1_sstc1p0"
+; RV32SHTVALA: .attribute 5, "rv32i2p1_shtvala1p0"
+; RV32SHVSTVALA: .attribute 5, "rv32i2p1_shvstvala1p0"
+; RV32SHVSTVECD: .attribute 5, "rv32i2p1_shvstvecd1p0"
+; RV32SSTVALA: .attribute 5, "rv32i2p1_sstvala1p0"
+; RV32SSTVECD: .attribute 5, "rv32i2p1_sstvecd1p0"
+; RV32SSU64XL: .attribute 5, "rv32i2p1_ssu64xl1p0"
+; RV32SVADE: .attribute 5, "rv32i2p1_svade1p0"
+; RV32SVADU: .attribute 5, "rv32i2p1_svadu1p0"
+; RV32SVBARE: .attribute 5, "rv32i2p1_svbare1p0"
 ; RV32SVNAPOT: .attribute 5, "rv32i2p1_svnapot1p0"
 ; RV32SVPBMT: .attribute 5, "rv32i2p1_svpbmt1p0"
 ; RV32SVINVAL: .attribute 5, "rv32i2p1_svinval1p0"
@@ -336,6 +384,22 @@
 ; RV64ZA128RS: .attribute 5, "rv64i2p1_za128rs1p0"
 ; RV64ZAWRS: .attribute 5, "rv64i2p1_zawrs1p0"
 ; RV64ZICBOP: .attribute 5, "rv64i2p1_zicbop1p0"
+; RV64SHCOUNTERENW: .attribute 5, "rv64i2p1_shcounterenw1p0"
+; RV64SHGATPA: .attribute 5, "rv64i2p1_shgatpa1p0"
+; RV64SHVSATPA: .attribute 5, "rv64i2p1_shvsatpa1p0"
+; RV64SSCCPTR: .attribute 5, "rv64i2p1_ssccptr1p0"
+; RV64SSCOUNTERENW: .attribute 5, "rv64i2p1_sscounterenw1p0"
+; RV64SSSTATEEN: .attribute 5, "rv64i2p1_ssstateen1p0"
+; RV64SSTC: .attribute 5, "rv64i2p1_sstc1p0"
+; RV64SHTVALA: .attribute 5, "rv64i2p1_shtvala1p0"
+; RV64SHVSTVALA: .attribute 5, "rv64i2p1_shvstvala1p0"
+; RV64SHVSTVECD: .attribute 5, "rv64i2p1_shvstvecd1p0"
+; RV64SSTVALA: .attribute 5, "rv64i2p1_sstvala1p0"
+; RV64SSTVECD: .attribute 5, "rv64i2p1_sstvecd1p0"
+; RV64SSU64XL: .attribute 5, "rv64i2p1_ssu64xl1p0"
+; RV64SVADE: .attribute 5, "rv64i2p1_svade1p0"
+; RV64SVADU: .attribute 5, "rv64i2p1_svadu1p0"
+; RV64SVBARE: .attribute 5, "rv64i2p1_svbare1p0"
 ; RV64SVNAPOT: .attribute 5, "rv64i2p1_svnapot1p0"
 ; RV64SVPBMT: .attribute 5, "rv64i2p1_svpbmt1p0"
 ; RV64SVINVAL: .attribute 5, "rv64i2p1_svinval1p...
[truncated]

``````````

</details>


https://github.com/llvm/llvm-project/pull/79399


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