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| author | Vladimir Stefanovic <vladimir.stefanovic@rt-rk.com> | 2018-07-05 13:10:23 +0000 |
|---|---|---|
| committer | Vladimir Stefanovic <vladimir.stefanovic@rt-rk.com> | 2018-07-05 13:10:23 +0000 |
| commit | 9709905782c0a0830c5674ee711eaa6f8ec0e91c (patch) | |
| tree | 6f19928afa9363f883876da326c98395fe97ba10 /clang | |
| parent | 38a7ce76aeacfd36ac200a662c8de5dca4c01df8 (diff) | |
| download | bcm5719-llvm-9709905782c0a0830c5674ee711eaa6f8ec0e91c.tar.gz bcm5719-llvm-9709905782c0a0830c5674ee711eaa6f8ec0e91c.zip | |
[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
llvm-svn: 336347
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/include/clang/Driver/Options.td | 6 | ||||
| -rw-r--r-- | clang/lib/Driver/ToolChains/Arch/Mips.cpp | 2 | ||||
| -rw-r--r-- | clang/test/Driver/mips-features.c | 12 |
3 files changed, 18 insertions, 2 deletions
diff --git a/clang/include/clang/Driver/Options.td b/clang/include/clang/Driver/Options.td index c228e9e9d23..496cc12aa3a 100644 --- a/clang/include/clang/Driver/Options.td +++ b/clang/include/clang/Driver/Options.td @@ -1993,8 +1993,8 @@ def ffixed_r9 : Flag<["-"], "ffixed-r9">, Group<m_arm_Features_Group>, 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">, Group<m_mips_Features_Group>, 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]>; diff --git a/clang/lib/Driver/ToolChains/Arch/Mips.cpp b/clang/lib/Driver/ToolChains/Arch/Mips.cpp index 5aeb9288e7a..0c0e0907193 100644 --- a/clang/lib/Driver/ToolChains/Arch/Mips.cpp +++ b/clang/lib/Driver/ToolChains/Arch/Mips.cpp @@ -350,6 +350,8 @@ void mips::getMIPSTargetFeatures(const Driver &D, const llvm::Triple &Triple, 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()); diff --git a/clang/test/Driver/mips-features.c b/clang/test/Driver/mips-features.c index 1284874b71a..e90f3704f2f 100644 --- a/clang/test/Driver/mips-features.c +++ b/clang/test/Driver/mips-features.c @@ -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" |
