[mips] Added support for using the command line options -Wa,-msoft-float and -Wa...

Patch by Scott Egerton.

Reviewers: vkalintiris, dsanders

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D12600

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@248276 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index cd1dd73c8eb3a80cfd609d941ea33149460dcace..d3afe3c36fc85fb2de21aa91a5a139b388cede58 100644 (file)
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -2383,6 +2383,12 @@ static void CollectArgsForIntegratedAssembler(Compilation &C,
       } else if (Value == "--break") {
         CmdArgs.push_back("-target-feature");
         CmdArgs.push_back("-use-tcc-in-div");
+      } else if (Value.startswith("-msoft-float")) {
+        CmdArgs.push_back("-target-feature");
+        CmdArgs.push_back("+soft-float");
+      } else if (Value.startswith("-mhard-float")) {
+        CmdArgs.push_back("-target-feature");
+        CmdArgs.push_back("-soft-float");
       } else {
         D.Diag(diag::err_drv_unsupported_option_argument)
             << A->getOption().getName() << Value;

diff --git a/test/Driver/mips-ias-Wa.s b/test/Driver/mips-ias-Wa.s
index a542493af6f86aea2430f25eb2d3c65d0ac6af0c..233d062d6deb2d53fbf66771827e3363b9e2630b 100644 (file)
--- a/test/Driver/mips-ias-Wa.s
+++ b/test/Driver/mips-ias-Wa.s
@@ -22,3 +22,28 @@
 // RUN:   FileCheck -check-prefix=TRAP-BOTH-BREAK-FIRST %s
 // TRAP-BOTH-BREAK-FIRST: -cc1as
 // TRAP-BOTH-BREAK-FIRST: "-target-feature" "-use-tcc-in-div" "-target-feature" "+use-tcc-in-div"
+
+// RUN: %clang -target mips-linux-gnu -### -fintegrated-as -c %s 2>&1 | \
+// RUN:   FileCheck -check-prefix=MSOFT-FLOAT-DEFAULT %s
+// MSOFT-FLOAT-DEFAULT: -cc1as
+// MSOFT-FLOAT-DEFAULT-NOT: "-target-feature" "-soft-float"
+
+// RUN: %clang -target mips-linux-gnu -### -fintegrated-as -c %s -Wa,-msoft-float 2>&1 | \
+// RUN:   FileCheck -check-prefix=MSOFT-FLOAT-ON %s
+// MSOFT-FLOAT-ON: -cc1as
+// MSOFT-FLOAT-ON: "-target-feature" "+soft-float"
+
+// RUN: %clang -target mips-linux-gnu -### -fintegrated-as -c %s -Wa,-mhard-float 2>&1 | \
+// RUN:   FileCheck -check-prefix=MSOFT-FLOAT-OFF %s
+// MSOFT-FLOAT-OFF: -cc1as
+// MSOFT-FLOAT-OFF: "-target-feature" "-soft-float"
+
+// RUN: %clang -target mips-linux-gnu -### -fintegrated-as -c %s -Wa,-msoft-float,-mhard-float 2>&1 | \
+// RUN:   FileCheck -check-prefix=MSOFT-FLOAT-BOTH-MSOFT-FLOAT-FIRST %s
+// MSOFT-FLOAT-BOTH-MSOFT-FLOAT-FIRST: -cc1as
+// MSOFT-FLOAT-BOTH-MSOFT-FLOAT-FIRST: "-target-feature" "+soft-float" "-target-feature" "-soft-float"
+
+// RUN: %clang -target mips-linux-gnu -### -fintegrated-as -c %s -Wa,-mhard-float,-msoft-float 2>&1 | \
+// RUN:   FileCheck -check-prefix=MSOFT-FLOAT-BOTH-MHARD-FLOAT-FIRST %s
+// MSOFT-FLOAT-BOTH-MHARD-FLOAT-FIRST: -cc1as
+// MSOFT-FLOAT-BOTH-MHARD-FLOAT-FIRST: "-target-feature" "-soft-float" "-target-feature" "+soft-float"