llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-aarch64

Author: Jonathan Thackray (jthackray)

<details>
<summary>Changes</summary>

`FEAT_FPRCVT` is removed from being mandatory in Armv9.6-A
`FEAT_SVE2p2` is removed from being mandatory in Armv9.6-A

---
Full diff: https://github.com/llvm/llvm-project/pull/164950.diff


2 Files Affected:

- (modified) clang/test/Driver/aarch64-v96a.c (+2-2) 
- (modified) llvm/lib/Target/AArch64/AArch64Features.td (+2-2) 


``````````diff
diff --git a/clang/test/Driver/aarch64-v96a.c b/clang/test/Driver/aarch64-v96a.c
index de7890140ebd3..e0081bbbdabfe 100644
--- a/clang/test/Driver/aarch64-v96a.c
+++ b/clang/test/Driver/aarch64-v96a.c
@@ -6,7 +6,7 @@
 // RUN: %clang -target aarch64 -mlittle-endian -march=armv9.6-a -### -c %s 
2>&1 | FileCheck -check-prefix=GENERICV96A %s
 // RUN: %clang -target aarch64_be -mlittle-endian -march=armv9.6a -### -c %s 
2>&1 | FileCheck -check-prefix=GENERICV96A %s
 // RUN: %clang -target aarch64_be -mlittle-endian -march=armv9.6-a -### -c %s 
2>&1 | FileCheck -check-prefix=GENERICV96A %s
-// GENERICV96A: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic" 
"-target-feature" "+v9.6a"{{.*}} "-target-feature" "+cmpbr"{{.*}} 
"-target-feature" "+fprcvt"{{.*}} "-target-feature" "+sve2p2"
+// GENERICV96A: "-cc1"{{.*}} "-triple" "aarch64{{.*}}" "-target-cpu" "generic" 
"-target-feature" "+v9.6a"{{.*}} "-target-feature" "+cmpbr"{{.*}}
 
 // RUN: %clang -target aarch64_be -march=armv9.6a -### -c %s 2>&1 | FileCheck 
-check-prefix=GENERICV96A-BE %s
 // RUN: %clang -target aarch64_be -march=armv9.6-a -### -c %s 2>&1 | FileCheck 
-check-prefix=GENERICV96A-BE %s
@@ -14,7 +14,7 @@
 // RUN: %clang -target aarch64 -mbig-endian -march=armv9.6-a -### -c %s 2>&1 | 
FileCheck -check-prefix=GENERICV96A-BE %s
 // RUN: %clang -target aarch64_be -mbig-endian -march=armv9.6a -### -c %s 2>&1 
| FileCheck -check-prefix=GENERICV96A-BE %s
 // RUN: %clang -target aarch64_be -mbig-endian -march=armv9.6-a -### -c %s 
2>&1 | FileCheck -check-prefix=GENERICV96A-BE %s
-// GENERICV96A-BE: "-cc1"{{.*}} "-triple" "aarch64_be{{.*}}" "-target-cpu" 
"generic" "-target-feature" "+v9.6a"{{.*}} "-target-feature" "+cmpbr"{{.*}} 
"-target-feature" "+fprcvt"{{.*}} "-target-feature" "+sve2p2"
+// GENERICV96A-BE: "-cc1"{{.*}} "-triple" "aarch64_be{{.*}}" "-target-cpu" 
"generic" "-target-feature" "+v9.6a"{{.*}} "-target-feature" "+cmpbr"{{.*}}
 
 // ===== Features supported on aarch64 =====
 
diff --git a/llvm/lib/Target/AArch64/AArch64Features.td 
b/llvm/lib/Target/AArch64/AArch64Features.td
index 9973df865ea17..12159a9519737 100644
--- a/llvm/lib/Target/AArch64/AArch64Features.td
+++ b/llvm/lib/Target/AArch64/AArch64Features.td
@@ -923,8 +923,8 @@ def HasV9_5aOps : Architecture64<9, 5, "a", "v9.5a",
   [HasV9_4aOps, FeatureCPA],
   !listconcat(HasV9_4aOps.DefaultExts, [FeatureCPA,  FeatureLUT, 
FeatureFAMINMAX])>;
 def HasV9_6aOps : Architecture64<9, 6, "a", "v9.6a",
-  [HasV9_5aOps, FeatureCMPBR, FeatureFPRCVT, FeatureSVE2p2, FeatureLSUI, 
FeatureOCCMO],
-  !listconcat(HasV9_5aOps.DefaultExts, [FeatureCMPBR, FeatureFPRCVT, 
FeatureSVE2p2,
+  [HasV9_5aOps, FeatureCMPBR, FeatureLSUI, FeatureOCCMO],
+  !listconcat(HasV9_5aOps.DefaultExts, [FeatureCMPBR,
     FeatureLSUI, FeatureOCCMO])>;
 def HasV8_0rOps : Architecture64<8, 0, "r", "v8r",
   [ //v8.1

``````````

</details>


https://github.com/llvm/llvm-project/pull/164950
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