From 6deacb219c939dd99f42c8cc48c979cfad7822e3 Mon Sep 17 00:00:00 2001
From: Simon Dardis <simon.dardis@imgtec.com>
Date: Wed, 12 Jul 2017 21:13:05 +0000
Subject: [PATCH] [mips][mt][7/7] Add driver option for the MIPS MT ASE.
Reviewers: atanasyan, slthakur
Differential Revision: https://reviews.llvm.org/D35254
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@307847 91177308-0d34-0410-b5e6-96231b3b80d8
---
include/clang/Driver/Options.td | 4 ++++
lib/Driver/ToolChains/Arch/Mips.cpp | 1 +
test/Driver/mips-features.c | 12 ++++++++++++
3 files changed, 17 insertions(+)
diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index cdd4c94c432..861dfbf1916 100644
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -2027,6 +2027,10 @@ def mmsa : Flag<["-"], "mmsa">, Group<m_Group>,
HelpText<"Enable MSA ASE (MIPS only)">;
def mno_msa : Flag<["-"], "mno-msa">, Group<m_Group>,
HelpText<"Disable MSA ASE (MIPS only)">;
+def mmt : Flag<["-"], "mmt">, Group<m_Group>,
+ HelpText<"Enable MT ASE (MIPS only)">;
+def mno_mt : Flag<["-"], "mno-mt">, Group<m_Group>,
+ HelpText<"Disable MT ASE (MIPS only)">;
def mfp64 : Flag<["-"], "mfp64">, Group<m_Group>,
HelpText<"Use 64-bit floating point registers (MIPS only)">;
def mfp32 : Flag<["-"], "mfp32">, Group<m_Group>,
diff --git a/lib/Driver/ToolChains/Arch/Mips.cpp b/lib/Driver/ToolChains/Arch/Mips.cpp
index c336bb17f02..b45dcd6db67 100644
--- a/lib/Driver/ToolChains/Arch/Mips.cpp
+++ b/lib/Driver/ToolChains/Arch/Mips.cpp
@@ -301,6 +301,7 @@ void mips::getMIPSTargetFeatures(const Driver &D, const llvm::Triple &Triple,
"nomadd4");
AddTargetFeature(Args, Features, options::OPT_mlong_calls,
options::OPT_mno_long_calls, "long-calls");
+ AddTargetFeature(Args, Features, options::OPT_mmt, options::OPT_mno_mt,"mt");
}
mips::NanEncoding mips::getSupportedNanEncoding(StringRef &CPU) {
diff --git a/test/Driver/mips-features.c b/test/Driver/mips-features.c
index 9305f99051d..b228a2d5781 100644
--- a/test/Driver/mips-features.c
+++ b/test/Driver/mips-features.c
@@ -70,6 +70,18 @@
// RUN: | FileCheck --check-prefix=CHECK-NOMMSA %s
// CHECK-NOMMSA: "-target-feature" "-msa"
//
+// -mmt
+// RUN: %clang -target mips-linux-gnu -### -c %s \
+// RUN: -mno-mt -mmt 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-MMT %s
+// CHECK-MMT: "-target-feature" "+mt"
+//
+// -mno-mt
+// RUN: %clang -target mips-linux-gnu -### -c %s \
+// RUN: -mmt -mno-mt 2>&1 \
+// RUN: | FileCheck --check-prefix=CHECK-NOMMT %s
+// CHECK-NOMMT: "-target-feature" "-mt"
+//
// -modd-spreg
// RUN: %clang -target mips-linux-gnu -### -c %s -mno-odd-spreg -modd-spreg 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-MODDSPREG %s
--
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