Revert "[TargetVersion] Only enable on RISC-V and AArch64 (#115991)"

BeMg · web-flow · commit e7efa82cb136 · 2024-11-21T12:47:23.000+08:00
This reverts commit 922282e.
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
@@ -459,8 +459,6 @@ Attribute Changes in Clang
 - Clang now supports ``[[clang::lifetime_capture_by(X)]]``. Similar to lifetimebound, this can be
   used to specify when a reference to a function parameter is captured by another capturing entity ``X``.
 
-- The ``target_version`` attribute is now only supported for AArch64 and RISC-V architectures.
-
 Improvements to Clang's diagnostics
 -----------------------------------
 
diff --git a/clang/include/clang/Basic/Attr.td b/clang/include/clang/Basic/Attr.td
@@ -3297,7 +3297,7 @@ def Target : InheritableAttr {
   }];
 }
 
-def TargetVersion : DeclOrTypeAttr, TargetSpecificAttr<TargetArch<!listconcat(TargetAArch64.Arches, TargetRISCV.Arches)>> {
+def TargetVersion : InheritableAttr {
   let Spellings = [GCC<"target_version">];
   let Args = [StringArgument<"NamesStr">];
   let Subjects = SubjectList<[Function], ErrorDiag>;
diff --git a/clang/test/Sema/attr-target-version-unsupported.c b/clang/test/Sema/attr-target-version-unsupported.c

Original file line number	Diff line number	Diff line change
`@@ -3297,7 +3297,7 @@ def Target : InheritableAttr {`
`3297`	`3297`	`}];`
`3298`	`3298`	`}`
`3299`	`3299`
`3300`		`-def TargetVersion : DeclOrTypeAttr, TargetSpecificAttr<TargetArch<!listconcat(TargetAArch64.Arches, TargetRISCV.Arches)>> {`
	`3300`	`+def TargetVersion : InheritableAttr {`
`3301`	`3301`	`let Spellings = [GCC<"target_version">];`
`3302`	`3302`	`let Args = [StringArgument<"NamesStr">];`
`3303`	`3303`	`let Subjects = SubjectList<[Function], ErrorDiag>;`