Author: vstefanovic Date: Thu Jul 5 06:10:23 2018 New Revision: 336347 URL: http://llvm.org/viewvc/llvm-project?rev=336347&view=rev Log: [mips] Add '-mcrc', '-mno-crc' options to enable/disable CRC ASE
'-mcrc' is shared with ARM. '-mno-crc' is Mips-only (ARM uses '-mnocrc'). Differential revision: https://reviews.llvm.org/D48169 Modified: cfe/trunk/include/clang/Driver/Options.td cfe/trunk/lib/Driver/ToolChains/Arch/Mips.cpp cfe/trunk/test/Driver/mips-features.c Modified: cfe/trunk/include/clang/Driver/Options.td URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=336347&r1=336346&r2=336347&view=diff ============================================================================== --- cfe/trunk/include/clang/Driver/Options.td (original) +++ cfe/trunk/include/clang/Driver/Options.td Thu Jul 5 06:10:23 2018 @@ -1993,8 +1993,8 @@ def ffixed_r9 : Flag<["-"], "ffixed-r9"> HelpText<"Reserve the r9 register (ARM only)">; def mno_movt : Flag<["-"], "mno-movt">, Group<m_arm_Features_Group>, HelpText<"Disallow use of movt/movw pairs (ARM only)">; -def mcrc : Flag<["-"], "mcrc">, Group<m_arm_Features_Group>, - HelpText<"Allow use of CRC instructions (ARM only)">; +def mcrc : Flag<["-"], "mcrc">, Group<m_Group>, + HelpText<"Allow use of CRC instructions (ARM/Mips only)">; def mnocrc : Flag<["-"], "mnocrc">, Group<m_arm_Features_Group>, HelpText<"Disallow use of CRC instructions (ARM only)">; def mno_neg_immediates: Flag<["-"], "mno-neg-immediates">, Group<m_arm_Features_Group>, @@ -2212,6 +2212,8 @@ def mabicalls : Flag<["-"], "mabicalls"> HelpText<"Enable SVR4-style position-independent code (Mips only)">; def mno_abicalls : Flag<["-"], "mno-abicalls">, Group<m_mips_Features_Group>, HelpText<"Disable SVR4-style position-independent code (Mips only)">; +def mno_crc : Flag<["-"], "mno-crc">, Group<m_mips_Features_Group>, + HelpText<"Disallow use of CRC instructions (Mips only)">; def mips1 : Flag<["-"], "mips1">, Alias<march_EQ>, AliasArgs<["mips1"]>, Group<m_mips_Features_Group>, HelpText<"Equivalent to -march=mips1">, Flags<[HelpHidden]>; Modified: cfe/trunk/lib/Driver/ToolChains/Arch/Mips.cpp URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Arch/Mips.cpp?rev=336347&r1=336346&r2=336347&view=diff ============================================================================== --- cfe/trunk/lib/Driver/ToolChains/Arch/Mips.cpp (original) +++ cfe/trunk/lib/Driver/ToolChains/Arch/Mips.cpp Thu Jul 5 06:10:23 2018 @@ -350,6 +350,8 @@ void mips::getMIPSTargetFeatures(const D AddTargetFeature(Args, Features, options::OPT_mno_madd4, options::OPT_mmadd4, "nomadd4"); AddTargetFeature(Args, Features, options::OPT_mmt, options::OPT_mno_mt, "mt"); + AddTargetFeature(Args, Features, options::OPT_mcrc, options::OPT_mno_crc, + "crc"); if (Arg *A = Args.getLastArg(options::OPT_mindirect_jump_EQ)) { StringRef Val = StringRef(A->getValue()); Modified: cfe/trunk/test/Driver/mips-features.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/mips-features.c?rev=336347&r1=336346&r2=336347&view=diff ============================================================================== --- cfe/trunk/test/Driver/mips-features.c (original) +++ cfe/trunk/test/Driver/mips-features.c Thu Jul 5 06:10:23 2018 @@ -408,3 +408,15 @@ // RUN: -mindirect-jump=hazard 2>&1 \ // RUN: | FileCheck --check-prefix=INDIRECT-BH %s // INDIRECT-BH: "-target-feature" "+use-indirect-jump-hazard" +// +// -mcrc +// RUN: %clang -target mips-unknown-linux-gnu -### -c %s \ +// RUN: -mno-crc -mcrc 2>&1 \ +// RUN: | FileCheck --check-prefix=CHECK-CRC %s +// CHECK-CRC: "-target-feature" "+crc" +// +// -mno-crc +// RUN: %clang -target mips-unknown-linux-gnu -### -c %s \ +// RUN: -mcrc -mno-crc 2>&1 \ +// RUN: | FileCheck --check-prefix=CHECK-NO-CRC %s +// CHECK-NO-CRC: "-target-feature" "-crc" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
