bcain created this revision. bcain added a reviewer: kparzysz. bcain added a project: clang. Herald added a project: All. bcain requested review of this revision. Herald added a subscriber: cfe-commits.
For v73 and later, clang users who wish to use the cabac instructions need a way to add the 'cabac' target feature. Repository: rG LLVM Github Monorepo https://reviews.llvm.org/D142947 Files: clang/include/clang/Driver/Options.td clang/test/Driver/hexagon-toolchain-elf.c Index: clang/test/Driver/hexagon-toolchain-elf.c =================================================================== --- clang/test/Driver/hexagon-toolchain-elf.c +++ clang/test/Driver/hexagon-toolchain-elf.c @@ -581,6 +581,16 @@ // RUN: | FileCheck --check-prefix=CHECK371 %s // CHECK371-NOT: "+reserved-r19" +// ----------------------------------------------------------------------------- +// mcabac +// ----------------------------------------------------------------------------- +// RUN: %clang -### -target hexagon-unknown-elf -mcabac %s 2>&1 \ +// RUN: | FileCheck --check-prefix=CHECK372 %s +// CHECK372: "-target-feature" "+cabac" +// RUN: %clang -### -target hexagon-unknown-elf %s 2>&1 \ +// RUN: | FileCheck --check-prefix=CHECK373 %s +// CHECK373-NOT: "+cabac" + // ----------------------------------------------------------------------------- // Misc Defaults // ----------------------------------------------------------------------------- Index: clang/include/clang/Driver/Options.td =================================================================== --- clang/include/clang/Driver/Options.td +++ clang/include/clang/Driver/Options.td @@ -4559,6 +4559,8 @@ Flags<[CC1Option]>, HelpText<"Enable generation of new-value stores">; def mno_nvs : Flag<["-"], "mno-nvs">, Group<m_hexagon_Features_Group>, Flags<[CC1Option]>, HelpText<"Disable generation of new-value stores">; +def mcabac: Flag<["-"], "mcabac">, Group<m_hexagon_Features_Group>, + HelpText<"Enable CABAC instructions">; // SPARC feature flags def mfpu : Flag<["-"], "mfpu">, Group<m_sparc_Features_Group>;
Index: clang/test/Driver/hexagon-toolchain-elf.c =================================================================== --- clang/test/Driver/hexagon-toolchain-elf.c +++ clang/test/Driver/hexagon-toolchain-elf.c @@ -581,6 +581,16 @@ // RUN: | FileCheck --check-prefix=CHECK371 %s // CHECK371-NOT: "+reserved-r19" +// ----------------------------------------------------------------------------- +// mcabac +// ----------------------------------------------------------------------------- +// RUN: %clang -### -target hexagon-unknown-elf -mcabac %s 2>&1 \ +// RUN: | FileCheck --check-prefix=CHECK372 %s +// CHECK372: "-target-feature" "+cabac" +// RUN: %clang -### -target hexagon-unknown-elf %s 2>&1 \ +// RUN: | FileCheck --check-prefix=CHECK373 %s +// CHECK373-NOT: "+cabac" + // ----------------------------------------------------------------------------- // Misc Defaults // ----------------------------------------------------------------------------- Index: clang/include/clang/Driver/Options.td =================================================================== --- clang/include/clang/Driver/Options.td +++ clang/include/clang/Driver/Options.td @@ -4559,6 +4559,8 @@ Flags<[CC1Option]>, HelpText<"Enable generation of new-value stores">; def mno_nvs : Flag<["-"], "mno-nvs">, Group<m_hexagon_Features_Group>, Flags<[CC1Option]>, HelpText<"Disable generation of new-value stores">; +def mcabac: Flag<["-"], "mcabac">, Group<m_hexagon_Features_Group>, + HelpText<"Enable CABAC instructions">; // SPARC feature flags def mfpu : Flag<["-"], "mfpu">, Group<m_sparc_Features_Group>;
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