r336798 - [mips] Add '-mvirt', '-mno-virt', '-mginv', '-mno-ginv' options

[Vladimir Stefanovic via cfe-commits]

Author: vstefanovic
Date: Wed Jul 11 05:45:25 2018
New Revision: 336798

URL: http://llvm.org/viewvc/llvm-project?rev=336798&view=rev
Log:
[mips] Add '-mvirt', '-mno-virt', '-mginv', '-mno-ginv' options

'-mvirt'/'-mno-virt' enables/disables Virtualization ASE.
'-mginv'/'-mno-ginv' enables/disables GINV (Global Invalidate) ASE.

Differential revision: https://reviews.llvm.org/D48982

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=336798&r1=336797&r2=336798&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/Options.td (original)
+++ cfe/trunk/include/clang/Driver/Options.td Wed Jul 11 05:45:25 2018
@@ -2216,6 +2216,10 @@ def mno_abicalls : Flag<["-"], "mno-abic
   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 mvirt : Flag<["-"], "mvirt">, Group<m_mips_Features_Group>;
+def mno_virt : Flag<["-"], "mno-virt">, Group<m_mips_Features_Group>;
+def mginv : Flag<["-"], "mginv">, Group<m_mips_Features_Group>;
+def mno_ginv : Flag<["-"], "mno-ginv">, Group<m_mips_Features_Group>;
 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=336798&r1=336797&r2=336798&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Arch/Mips.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Arch/Mips.cpp Wed Jul 11 05:45:25 2018
@@ -352,6 +352,10 @@ void mips::getMIPSTargetFeatures(const D
   AddTargetFeature(Args, Features, options::OPT_mmt, options::OPT_mno_mt, "mt");
   AddTargetFeature(Args, Features, options::OPT_mcrc, options::OPT_mno_crc,
                    "crc");
+  AddTargetFeature(Args, Features, options::OPT_mvirt, options::OPT_mno_virt,
+                   "virt");
+  AddTargetFeature(Args, Features, options::OPT_mginv, options::OPT_mno_ginv,
+                   "ginv");
 
   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=336798&r1=336797&r2=336798&view=diff
==============================================================================
--- cfe/trunk/test/Driver/mips-features.c (original)
+++ cfe/trunk/test/Driver/mips-features.c Wed Jul 11 05:45:25 2018
@@ -420,3 +420,27 @@
 // RUN:     -mcrc -mno-crc 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-NO-CRC %s
 // CHECK-NO-CRC: "-target-feature" "-crc"
+//
+// -mvirt
+// RUN: %clang -target mips-unknown-linux-gnu -### -c %s \
+// RUN:     -mno-virt -mvirt 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-VIRT %s
+// CHECK-VIRT: "-target-feature" "+virt"
+//
+// -mno-virt
+// RUN: %clang -target mips-unknown-linux-gnu -### -c %s \
+// RUN:     -mvirt -mno-virt 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-NO-VIRT %s
+// CHECK-NO-VIRT: "-target-feature" "-virt"
+//
+// -mginv
+// RUN: %clang -target mips-unknown-linux-gnu -### -c %s \
+// RUN:     -mno-ginv -mginv 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-GINV %s
+// CHECK-GINV: "-target-feature" "+ginv"
+//
+// -mno-ginv
+// RUN: %clang -target mips-unknown-linux-gnu -### -c %s \
+// RUN:     -mginv -mno-ginv 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-NO-GINV %s
+// CHECK-NO-GINV: "-target-feature" "-ginv"