r179309 - Add a new -mimplicit-float option for symmetry with -mno-implicit-float.

[Bob Wilson]

Author: bwilson
Date: Thu Apr 11 13:53:25 2013
New Revision: 179309

URL: http://llvm.org/viewvc/llvm-project?rev=179309&view=rev
Log:
Add a new -mimplicit-float option for symmetry with -mno-implicit-float.

This new option is the default, but it is useful to have a flag to override
-mno-implicit-float by putting -mimplicit-float later on the command line.

Modified:
    cfe/trunk/include/clang/Driver/Options.td
    cfe/trunk/lib/Driver/Tools.cpp
    cfe/trunk/test/Driver/flags.c

Modified: cfe/trunk/include/clang/Driver/Options.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Driver/Options.td?rev=179309&r1=179308&r2=179309&view=diff
==============================================================================
--- cfe/trunk/include/clang/Driver/Options.td (original)
+++ cfe/trunk/include/clang/Driver/Options.td Thu Apr 11 13:53:25 2013
@@ -930,6 +930,7 @@ def msoft_float : Flag<["-"], "msoft-flo
   HelpText<"Use software floating point">;
 def mno_implicit_float : Flag<["-"], "mno-implicit-float">, Group<m_Group>,
   HelpText<"Don't generate implicit floating point instructions">;
+def mimplicit_float : Flag<["-"], "mimplicit-float">, Group<m_Group>;
 def msse2 : Flag<["-"], "msse2">, Group<m_x86_Features_Group>;
 def msse3 : Flag<["-"], "msse3">, Group<m_x86_Features_Group>;
 def msse4a : Flag<["-"], "msse4a">, Group<m_x86_Features_Group>;

Modified: cfe/trunk/lib/Driver/Tools.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=179309&r1=179308&r2=179309&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Tools.cpp (original)
+++ cfe/trunk/lib/Driver/Tools.cpp Thu Apr 11 13:53:25 2013
@@ -815,7 +815,9 @@ void Clang::AddARMTargetArgs(const ArgLi
       CmdArgs.push_back("-mno-global-merge");
   }
 
-  if (Args.hasArg(options::OPT_mno_implicit_float))
+  if (!Args.hasFlag(options::OPT_mimplicit_float,
+                    options::OPT_mno_implicit_float,
+                    true))
     CmdArgs.push_back("-no-implicit-float");
 }
 
@@ -1255,6 +1257,7 @@ void Clang::AddX86TargetArgs(const ArgLi
                           Args.hasArg(options::OPT_fapple_kext));
   if (Arg *A = Args.getLastArg(options::OPT_msoft_float,
                                options::OPT_mno_soft_float,
+                               options::OPT_mimplicit_float,
                                options::OPT_mno_implicit_float)) {
     const Option &O = A->getOption();
     NoImplicitFloat = (O.matches(options::OPT_mno_implicit_float) ||

Modified: cfe/trunk/test/Driver/flags.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/flags.c?rev=179309&r1=179308&r2=179309&view=diff
==============================================================================
--- cfe/trunk/test/Driver/flags.c (original)
+++ cfe/trunk/test/Driver/flags.c Thu Apr 11 13:53:25 2013
@@ -10,6 +10,9 @@
 // RUN: %clang -target i386-apple-darwin9 -### -S -mno-implicit-float %s 2>&1 | FileCheck -check-prefix=TEST4 %s
 // TEST4: "-no-implicit-float"
 
+// RUN: %clang -target i386-apple-darwin9 -### -S -mno-implicit-float -mimplicit-float %s 2>&1 | FileCheck -check-prefix=TEST4A %s
+// TEST4A-NOT: "-no-implicit-float"
+
 // RUN: %clang -target i386-apple-darwin9 -### -S -mkernel %s 2>&1 | FileCheck -check-prefix=TEST5 %s
 // TEST5: "-no-implicit-float"
 
@@ -18,3 +21,6 @@
 
 // RUN: %clang -target armv7-apple-darwin10 -### -S -mno-implicit-float %s 2>&1 | FileCheck -check-prefix=TEST7 %s
 // TEST7: "-no-implicit-float"
+
+// RUN: %clang -target armv7-apple-darwin10 -### -S -mno-implicit-float -mimplicit-float %s 2>&1 | FileCheck -check-prefix=TEST8 %s
+// TEST8-NOT: "-no-implicit-float"