[clang] [llvm] [RISCV] Remove experimental from Zacas. (PR #83195)
via llvm-commits
llvm-commits at lists.llvm.org
Tue Feb 27 14:10:05 PST 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-llvm-support
Author: Craig Topper (topperc)
<details>
<summary>Changes</summary>
Document that we don't use the double compare and swap instructions due to ABI concerns.
---
Patch is 21.20 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/83195.diff
15 Files Affected:
- (modified) clang/test/Preprocessor/riscv-target-features.c (+9-9)
- (modified) llvm/docs/RISCVUsage.rst (+6-3)
- (modified) llvm/docs/ReleaseNotes.rst (+1)
- (modified) llvm/lib/Support/RISCVISAInfo.cpp (+1-1)
- (modified) llvm/lib/Target/RISCV/RISCVFeatures.td (+1-1)
- (modified) llvm/test/CodeGen/RISCV/atomic-cmpxchg-branch-on-result.ll (+3-3)
- (modified) llvm/test/CodeGen/RISCV/atomic-cmpxchg.ll (+6-6)
- (modified) llvm/test/CodeGen/RISCV/atomic-rmw.ll (+6-6)
- (modified) llvm/test/CodeGen/RISCV/atomic-signext.ll (+2-2)
- (modified) llvm/test/CodeGen/RISCV/attributes.ll (+2-2)
- (modified) llvm/test/MC/RISCV/rv32zacas-invalid.s (+1-1)
- (modified) llvm/test/MC/RISCV/rv32zacas-valid.s (+6-6)
- (modified) llvm/test/MC/RISCV/rv64zacas-valid.s (+3-3)
- (modified) llvm/test/MC/RISCV/rvzabha-zacas-valid.s (+6-6)
- (modified) llvm/unittests/Support/RISCVISAInfoTest.cpp (+1-1)
``````````diff
diff --git a/clang/test/Preprocessor/riscv-target-features.c b/clang/test/Preprocessor/riscv-target-features.c
index ea81c662044306..df13e0beb16326 100644
--- a/clang/test/Preprocessor/riscv-target-features.c
+++ b/clang/test/Preprocessor/riscv-target-features.c
@@ -75,6 +75,7 @@
// CHECK-NOT: __riscv_za128rs {{.*$}}
// CHECK-NOT: __riscv_za64rs {{.*$}}
// CHECK-NOT: __riscv_zawrs {{.*$}}
+// CHECK-NOT: __riscv_zacas {{.*$}}
// CHECK-NOT: __riscv_zba {{.*$}}
// CHECK-NOT: __riscv_zbb {{.*$}}
// CHECK-NOT: __riscv_zbc {{.*$}}
@@ -166,7 +167,6 @@
// CHECK-NOT: __riscv_ssqosid{{.*$}}
// CHECK-NOT: __riscv_supm{{.*$}}
// CHECK-NOT: __riscv_zaamo {{.*$}}
-// CHECK-NOT: __riscv_zacas {{.*$}}
// CHECK-NOT: __riscv_zalasr {{.*$}}
// CHECK-NOT: __riscv_zalrsc {{.*$}}
// CHECK-NOT: __riscv_zcmop {{.*$}}
@@ -660,6 +660,14 @@
// RUN: -o - | FileCheck --check-prefix=CHECK-ZA64RS-EXT %s
// CHECK-ZA64RS-EXT: __riscv_za64rs 1000000{{$}}
+// RUN: %clang --target=riscv32 \
+// RUN: -march=rv32i_zacas1p0 -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZACAS-EXT %s
+// RUN: %clang --target=riscv64 \
+// RUN: -march=rv64i_zacas1p0 -E -dM %s \
+// RUN: -o - | FileCheck --check-prefix=CHECK-ZACAS-EXT %s
+// CHECK-ZACAS-EXT: __riscv_zacas 1000000{{$}}
+
// RUN: %clang --target=riscv32-unknown-linux-gnu \
// RUN: -march=rv32izawrs -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-ZAWRS-EXT %s
@@ -1485,14 +1493,6 @@
// RUN: -o - | FileCheck --check-prefix=CHECK-ZAAMO-EXT %s
// CHECK-ZAAMO-EXT: __riscv_zaamo 2000{{$}}
-// RUN: %clang --target=riscv32 -menable-experimental-extensions \
-// RUN: -march=rv32i_zacas1p0 -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZACAS-EXT %s
-// RUN: %clang --target=riscv64 -menable-experimental-extensions \
-// RUN: -march=rv64i_zacas1p0 -E -dM %s \
-// RUN: -o - | FileCheck --check-prefix=CHECK-ZACAS-EXT %s
-// CHECK-ZACAS-EXT: __riscv_zacas 1000000{{$}}
-
// RUN: %clang --target=riscv32 -menable-experimental-extensions \
// RUN: -march=rv32i_zalasr0p1 -E -dM %s \
// RUN: -o - | FileCheck --check-prefix=CHECK-ZALASR-EXT %s
diff --git a/llvm/docs/RISCVUsage.rst b/llvm/docs/RISCVUsage.rst
index ed443596897aea..26bcf7fbf5490c 100644
--- a/llvm/docs/RISCVUsage.rst
+++ b/llvm/docs/RISCVUsage.rst
@@ -117,6 +117,7 @@ on support follow.
``V`` Supported
``Za128rs`` Supported (`See note <#riscv-profiles-extensions-note>`__)
``Za64rs`` Supported (`See note <#riscv-profiles-extensions-note>`__)
+ ``Zacas`` Supported (`See note <#riscv-zacas-note>`__)
``Zawrs`` Assembly Support
``Zba`` Supported
``Zbb`` Supported
@@ -236,6 +237,11 @@ Supported
``Za128rs``, ``Za64rs``, ``Zic64b``, ``Ziccamoa``, ``Ziccif``, ``Zicclsm``, ``Ziccrse``, ``Shcounterenvw``, ``Shgatpa``, ``Shtvala``, ``Shvsatpa``, ``Shvstvala``, ``Shvstvecd``, ``Ssccptr``, ``Sscounterenw``, ``Ssstateen``, ``Ssstrict``, ``Sstvala``, ``Sstvecd``, ``Ssu64xl``, ``Svade``, ``Svbare``
These extensions are defined as part of the `RISC-V Profiles specification <https://github.com/riscv/riscv-profiles/releases/tag/v1.0>`__. They do not introduce any new features themselves, but instead describe existing hardware features.
+ .. _riscv-zacas-note:
+
+``Zacas``
+ amocas.w will be used for i32 cmpxchg on RV32. amocas.d will be used i64 cmpxchg on RV64. The compiler will not generate amocas.d on RV32 or amocas.q on RV64 due to ABI compatibilty. These can only be used in the assembler.
+
Experimental Extensions
=======================
@@ -252,9 +258,6 @@ The primary goal of experimental support is to assist in the process of ratifica
``experimental-zabha``
LLVM implements the `v1.0-rc1 draft specification <https://github.com/riscv/riscv-zabha/tree/v1.0-rc1>`__.
-``experimental-zacas``
- LLVM implements the `1.0-rc1 draft specification <https://github.com/riscv/riscv-zacas/releases/tag/v1.0-rc1>`__.
-
``experimental-zalasr``
LLVM implements the `0.0.5 draft specification <https://github.com/mehnadnerd/riscv-zalasr>`__.
diff --git a/llvm/docs/ReleaseNotes.rst b/llvm/docs/ReleaseNotes.rst
index 5be00d9d5a5899..a7507498fb5b2c 100644
--- a/llvm/docs/ReleaseNotes.rst
+++ b/llvm/docs/ReleaseNotes.rst
@@ -103,6 +103,7 @@ Changes to the RISC-V Backend
* Codegen support was added for the Zimop (May-Be-Operations) extension.
* The experimental Ssnpm, Smnpm, Smmpm, Sspm, and Supm 0.8.1 Pointer Masking extensions are supported.
* The experimental Ssqosid extension is supported.
+* Zacas is is no longer experimental.
Changes to the WebAssembly Backend
----------------------------------
diff --git a/llvm/lib/Support/RISCVISAInfo.cpp b/llvm/lib/Support/RISCVISAInfo.cpp
index d028302b8c4d94..68f5c36e8fafc6 100644
--- a/llvm/lib/Support/RISCVISAInfo.cpp
+++ b/llvm/lib/Support/RISCVISAInfo.cpp
@@ -109,6 +109,7 @@ static const RISCVSupportedExtension SupportedExtensions[] = {
{"za128rs", {1, 0}},
{"za64rs", {1, 0}},
+ {"zacas", {1, 0}},
{"zawrs", {1, 0}},
{"zba", {1, 0}},
@@ -220,7 +221,6 @@ static const RISCVSupportedExtension SupportedExperimentalExtensions[] = {
{"zaamo", {0, 2}},
{"zabha", {1, 0}},
- {"zacas", {1, 0}},
{"zalasr", {0, 1}},
{"zalrsc", {0, 2}},
diff --git a/llvm/lib/Target/RISCV/RISCVFeatures.td b/llvm/lib/Target/RISCV/RISCVFeatures.td
index bcaf4477749494..9773b2998c7dc4 100644
--- a/llvm/lib/Target/RISCV/RISCVFeatures.td
+++ b/llvm/lib/Target/RISCV/RISCVFeatures.td
@@ -185,7 +185,7 @@ def HasStdExtZabha : Predicate<"Subtarget->hasStdExtZabha()">,
"'Zabha' (Byte and Halfword Atomic Memory Operations)">;
def FeatureStdExtZacas
- : SubtargetFeature<"experimental-zacas", "HasStdExtZacas", "true",
+ : SubtargetFeature<"zacas", "HasStdExtZacas", "true",
"'Zacas' (Atomic Compare-And-Swap Instructions)">;
def HasStdExtZacas : Predicate<"Subtarget->hasStdExtZacas()">,
AssemblerPredicate<(all_of FeatureStdExtZacas),
diff --git a/llvm/test/CodeGen/RISCV/atomic-cmpxchg-branch-on-result.ll b/llvm/test/CodeGen/RISCV/atomic-cmpxchg-branch-on-result.ll
index 90d78779b764d2..18b66499b85fe3 100644
--- a/llvm/test/CodeGen/RISCV/atomic-cmpxchg-branch-on-result.ll
+++ b/llvm/test/CodeGen/RISCV/atomic-cmpxchg-branch-on-result.ll
@@ -1,13 +1,13 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -mattr=+a -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=NOZACAS,RV32IA %s
-; RUN: llc -mtriple=riscv32 -mattr=+a,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv32 -mattr=+a,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=ZACAS,RV32IA-ZACAS %s
; RUN: llc -mtriple=riscv64 -mattr=+a -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=NOZACAS,RV64IA %s
-; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv64 -mattr=+a,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=ZACAS,RV64IA-ZACAS %s
-; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-zacas,+experimental-zabha -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv64 -mattr=+a,+zacas,+experimental-zabha -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=ZACAS,RV64IA-ZABHA %s
; Test cmpxchg followed by a branch on the cmpxchg success value to see if the
diff --git a/llvm/test/CodeGen/RISCV/atomic-cmpxchg.ll b/llvm/test/CodeGen/RISCV/atomic-cmpxchg.ll
index 8df37bf40975c1..394dffa346ec63 100644
--- a/llvm/test/CodeGen/RISCV/atomic-cmpxchg.ll
+++ b/llvm/test/CodeGen/RISCV/atomic-cmpxchg.ll
@@ -3,25 +3,25 @@
; RUN: | FileCheck -check-prefix=RV32I %s
; RUN: llc -mtriple=riscv32 -mattr=+a -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV32IA,RV32IA-WMO %s
-; RUN: llc -mtriple=riscv32 -mattr=+a,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv32 -mattr=+a,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV32IA,RV32IA-ZACAS,RV32IA-WMO-ZACAS %s
; RUN: llc -mtriple=riscv32 -mattr=+a,+experimental-ztso -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV32IA,RV32IA-TSO %s
-; RUN: llc -mtriple=riscv32 -mattr=+a,+experimental-ztso,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv32 -mattr=+a,+experimental-ztso,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV32IA,RV32IA-ZACAS,RV32IA-TSO-ZACAS %s
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64I %s
; RUN: llc -mtriple=riscv64 -mattr=+a -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-WMO %s
-; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv64 -mattr=+a,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-ZACAS,RV64IA-WMO-ZACAS %s
-; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-zacas,+experimental-zabha -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv64 -mattr=+a,+zacas,+experimental-zabha -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-ZABHA,RV64IA-WMO-ZABHA %s
; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-ztso -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-TSO %s
-; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-ztso,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-ztso,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-ZACAS,RV64IA-TSO-ZACAS %s
-; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-ztso,+experimental-zacas,+experimental-zabha -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-ztso,+zacas,+experimental-zabha -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-ZABHA,RV64IA-TSO-ZABHA %s
define void @cmpxchg_i8_monotonic_monotonic(ptr %ptr, i8 %cmp, i8 %val) nounwind {
diff --git a/llvm/test/CodeGen/RISCV/atomic-rmw.ll b/llvm/test/CodeGen/RISCV/atomic-rmw.ll
index ee802507a02f3c..fe530017406133 100644
--- a/llvm/test/CodeGen/RISCV/atomic-rmw.ll
+++ b/llvm/test/CodeGen/RISCV/atomic-rmw.ll
@@ -12,22 +12,22 @@
; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-ztso -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-NOZACAS,RV64IA-TSO,RV64IA-TSO-NOZACAS %s
-; RUN: llc -mtriple=riscv32 -mattr=+a,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv32 -mattr=+a,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV32IA,RV32IA-ZACAS,RV32IA-WMO,RV32IA-WMO-ZACAS %s
-; RUN: llc -mtriple=riscv32 -mattr=+a,+experimental-ztso,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv32 -mattr=+a,+experimental-ztso,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV32IA,RV32IA-ZACAS,RV32IA-TSO,RV32IA-TSO-ZACAS %s
-; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv64 -mattr=+a,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-ZACAS,RV64IA-WMO,RV64IA-WMO-ZACAS %s
-; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-ztso,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-ztso,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-ZACAS,RV64IA-TSO,RV64IA-TSO-ZACAS %s
; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-zabha -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-WMO,RV64IA-WMO-ZABHA,RV64IA-WMO-ZABHA-NOZACAS %s
; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-ztso,+experimental-zabha -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-TSO,RV64IA-TSO-ZABHA,RV64IA-TSO-ZABHA-NOZACAS %s
-; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-zabha,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-zabha,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-WMO,RV64IA-WMO-ZABHA,RV64IA-WMO-ZABHA-ZACAS %s
-; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-ztso,+experimental-zabha,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-ztso,+experimental-zabha,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-TSO,RV64IA-TSO-ZABHA,RV64IA-TSO-ZABHA-ZACAS %s
define i8 @atomicrmw_xchg_i8_monotonic(ptr %a, i8 %b) nounwind {
diff --git a/llvm/test/CodeGen/RISCV/atomic-signext.ll b/llvm/test/CodeGen/RISCV/atomic-signext.ll
index 47807f78d176e8..bdf3b28d2d523b 100644
--- a/llvm/test/CodeGen/RISCV/atomic-signext.ll
+++ b/llvm/test/CodeGen/RISCV/atomic-signext.ll
@@ -3,13 +3,13 @@
; RUN: | FileCheck -check-prefix=RV32I %s
; RUN: llc -mtriple=riscv32 -mattr=+a -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV32IA,RV32IA-NOZACAS %s
-; RUN: llc -mtriple=riscv32 -mattr=+a,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv32 -mattr=+a,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV32IA,RV32IA-ZACAS %s
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64I %s
; RUN: llc -mtriple=riscv64 -mattr=+a -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-NOZACAS %s
-; RUN: llc -mtriple=riscv64 -mattr=+a,+experimental-zacas -verify-machineinstrs < %s \
+; RUN: llc -mtriple=riscv64 -mattr=+a,+zacas -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefixes=RV64IA,RV64IA-ZACAS %s
define signext i8 @atomic_load_i8_unordered(ptr %a) nounwind {
diff --git a/llvm/test/CodeGen/RISCV/attributes.ll b/llvm/test/CodeGen/RISCV/attributes.ll
index 13635a94d6411a..561b0f21dc3770 100644
--- a/llvm/test/CodeGen/RISCV/attributes.ll
+++ b/llvm/test/CodeGen/RISCV/attributes.ll
@@ -111,7 +111,7 @@
; RUN: llc -mtriple=riscv32 -mattr=+experimental-zvfbfmin %s -o - | FileCheck --check-prefixes=CHECK,RV32ZVFBFMIN %s
; RUN: llc -mtriple=riscv32 -mattr=+experimental-zvfbfwma %s -o - | FileCheck --check-prefixes=CHECK,RV32ZVFBFWMA %s
; RUN: llc -mtriple=riscv32 -mattr=+experimental-zaamo %s -o - | FileCheck --check-prefix=RV32ZAAMO %s
-; RUN: llc -mtriple=riscv32 -mattr=+experimental-zacas %s -o - | FileCheck --check-prefix=RV32ZACAS %s
+; RUN: llc -mtriple=riscv32 -mattr=+zacas %s -o - | FileCheck --check-prefix=RV32ZACAS %s
; RUN: llc -mtriple=riscv32 -mattr=+experimental-zalasr %s -o - | FileCheck --check-prefix=RV32ZALASR %s
; RUN: llc -mtriple=riscv32 -mattr=+experimental-zalrsc %s -o - | FileCheck --check-prefix=RV32ZALRSC %s
; RUN: llc -mtriple=riscv32 -mattr=+experimental-zicfilp %s -o - | FileCheck --check-prefix=RV32ZICFILP %s
@@ -240,7 +240,7 @@
; RUN: llc -mtriple=riscv64 -mattr=+experimental-zvfbfmin %s -o - | FileCheck --check-prefixes=CHECK,RV64ZVFBFMIN %s
; RUN: llc -mtriple=riscv64 -mattr=+experimental-zvfbfwma %s -o - | FileCheck --check-prefixes=CHECK,RV64ZVFBFWMA %s
; RUN: llc -mtriple=riscv64 -mattr=+experimental-zaamo %s -o - | FileCheck --check-prefix=RV64ZAAMO %s
-; RUN: llc -mtriple=riscv64 -mattr=+experimental-zacas %s -o - | FileCheck --check-prefix=RV64ZACAS %s
+; RUN: llc -mtriple=riscv64 -mattr=+zacas %s -o - | FileCheck --check-prefix=RV64ZACAS %s
; RUN: llc -mtriple=riscv64 -mattr=+experimental-zalasr %s -o - | FileCheck --check-prefix=RV64ZALASR %s
; RUN: llc -mtriple=riscv64 -mattr=+experimental-zalrsc %s -o - | FileCheck --check-prefix=RV64ZALRSC %s
; RUN: llc -mtriple=riscv64 -mattr=+experimental-zicfilp %s -o - | FileCheck --check-prefix=RV64ZICFILP %s
diff --git a/llvm/test/MC/RISCV/rv32zacas-invalid.s b/llvm/test/MC/RISCV/rv32zacas-invalid.s
index b86246ca2ed180..11d20dacd8a788 100644
--- a/llvm/test/MC/RISCV/rv32zacas-invalid.s
+++ b/llvm/test/MC/RISCV/rv32zacas-invalid.s
@@ -1,4 +1,4 @@
-# RUN: not llvm-mc -triple riscv32 -mattr=+experimental-zacas < %s 2>&1 | FileCheck %s
+# RUN: not llvm-mc -triple riscv32 -mattr=+zacas < %s 2>&1 | FileCheck %s
# Non-zero offsets not supported for the third operand (rs1).
amocas.w a1, a3, 1(a5) # CHECK: :[[@LINE]]:18: error: optional integer offset must be 0
diff --git a/llvm/test/MC/RISCV/rv32zacas-valid.s b/llvm/test/MC/RISCV/rv32zacas-valid.s
index d80b963f0a0477..05a9cdd5cc2188 100644
--- a/llvm/test/MC/RISCV/rv32zacas-valid.s
+++ b/llvm/test/MC/RISCV/rv32zacas-valid.s
@@ -1,12 +1,12 @@
-# RUN: llvm-mc %s -triple=riscv32 -mattr=+experimental-zacas -riscv-no-aliases -show-encoding \
+# RUN: llvm-mc %s -triple=riscv32 -mattr=+zacas -riscv-no-aliases -show-encoding \
# RUN: | FileCheck -check-prefixes=CHECK-ASM,CHECK-ASM-AND-OBJ %s
-# RUN: llvm-mc %s -triple=riscv64 -mattr=+experimental-zacas -riscv-no-aliases -show-encoding \
+# RUN: llvm-mc %s -triple=riscv64 -mattr=+zacas -riscv-no-aliases -show-encoding \
# RUN: | FileCheck -check-prefixes=CHECK-ASM,CHECK-ASM-AND-OBJ %s
-# RUN: llvm-mc -filetype=obj -triple=riscv32 -mattr=+experimental-zacas < %s \
-# RUN: | llvm-objdump --mattr=+experimental-zacas -M no-aliases -d -r - \
+# RUN: llvm-mc -filetype=obj -triple=riscv32 -mattr=+zacas < %s \
+# RUN: | llvm-objdump --mattr=+zacas -M no-aliases -d -r - \
# RUN: | FileCheck --check-prefix=CHECK-ASM-AND-OBJ %s
-# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+experimental-zacas < %s \
-# RUN: | llvm-objdump --mattr=+experimental-zacas -M no-aliases -d -r - \
+# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+zacas < %s \
+# RUN: | llvm-objdump --mattr=+zacas -M no-aliases -d -r - \
# RUN: | FileCheck --check-prefix=CHECK-ASM-AND-OBJ %s
# RUN: not llvm-mc -triple=riscv32 -mattr=+a -show-encoding %s 2>&1 \
# RUN: | FileCheck %s --check-prefix=CHECK-ERROR
diff --git a/llvm/test/MC/RISCV/rv64zacas-valid.s b/llvm/test/MC/RISCV/rv64zacas-valid.s
index 843401b50871af..694f43b9b4407b 100644
--- a/llvm/test/MC/RISCV/rv64zacas-valid.s
+++ b/llvm/test/MC/RISCV/rv64zacas-valid.s
@@ -1,7 +1,7 @@
-# RUN: llvm-mc %s -triple=riscv64 -mattr=+experimental-zacas -riscv-no-aliases -show-encoding \
+# RUN: llvm-mc %s -triple=riscv64 -mattr=+zacas -riscv-no-aliases -show-encoding \
# RUN: | FileCheck -check-prefixes=CHECK-ASM,CHECK-ASM-AND-OBJ %s
-# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+experimental-zacas < %s \
-# RUN: | llvm-objdump --mattr=+experimental-zacas -M no-aliases -d -r - \
+# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+zacas < %s \
+# RUN: | llvm-objdump --mattr=+zacas -M no-aliases -d -r - \
# RUN: | FileCheck --check-prefix=CHECK-ASM-AND-OBJ %s
# RUN: not llvm-mc -triple=riscv64 -mattr=+a -show-encoding %s 2>&1 \
# RUN: | FileCheck %s --check-prefix=CHECK-ERROR
diff --git a/llvm/test/MC/RISCV/rvzabha-zacas-valid.s b/llvm/test/MC/RISCV/rvzabha-zacas-valid.s
index 8ad2f99d3febad..f1f705e625b87a 100644
--- a/llvm/test/MC/RISCV/rvzabha-zacas-valid.s
+++ b/llvm/test/MC/RISCV/rvzabha-zacas-valid.s
@@ -1,12 +1,12 @@
-# RUN: llvm-mc %s -triple=riscv32 -mattr=+experimental-zabha,+experimental-zacas -riscv-no-aliases -show-encoding \
+# RUN: llvm-mc %s -triple=riscv32 -mattr=+experimental-zabha,+zacas -riscv-no-aliases -show-encoding \
# RUN: | FileCheck -check-prefixes=CHECK-ASM,CHECK-ASM-AND-OBJ %s
-# RUN: llvm-mc %s -triple=riscv64 -mattr=+experimental-zabha,+experimental-zacas -riscv-no-aliases -show-encoding \
+# RUN: llvm-mc %s -triple=riscv64 -mattr=+experimental-zabha,+zacas -riscv-no-aliases -show-encoding \
# RUN: | FileCheck -check-prefixes=CHECK-ASM,CHECK-ASM-AND-OBJ %s
-# RUN: llvm-mc -filetype=obj -triple=riscv32 -mattr=+experimental-zabha,+experimental-zacas < %s \
-# RUN: | llvm-objdump --mattr=+experimental-zabha,+experimental-zacas -M no-aliases -d -r - \
+# RUN: llvm-mc -filetype=obj -triple=riscv32 -mattr=+experimental-zabha,+zacas < %s \
+# RUN: | llvm-objdump --mattr=+experimental-zabha,+zacas -M no-aliases -d -r - \
# RUN: | FileCheck --check-prefix=CHECK-ASM-AND-OBJ %s
-# RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+experimental-zabha,+experimental-zacas < %s \
-# RUN: ...
[truncated]
``````````
</details>
https://github.com/llvm/llvm-project/pull/83195
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