[Mips] Add two new aliases for MIPS ABI names 32 (means o32 abi) and 64

(means n64 abi) to improve compatibility with GNU tools.
Patch by Jia Liu <proljc@gmail.com>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176187 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index ec57ca3609f15739b2697b636a064637c4617893..24a69ee22ba51eb7265f16b88ec66aeb193e1445 100644 (file)
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -4411,6 +4411,12 @@ public:
         Name == "mips16" || Name == "dsp" || Name == "dspr2") {
       Features[Name] = Enabled;
       return true;
+    } else if (Name == "32") {
+      Features["o32"] = Enabled;
+      return true;
+    } else if (Name == "64") {
+      Features["n64"] = Enabled;
+      return true;
     }
     return false;
   }
@@ -4467,6 +4473,9 @@ public:
     if ((Name == "o32") || (Name == "eabi")) {
       ABI = Name;
       return true;
+    } else if (Name == "32") {
+      ABI = "o32";
+      return true;
     } else
       return false;
   }
@@ -4571,18 +4580,19 @@ public:
   }
   virtual bool setABI(const std::string &Name) {
     SetDescriptionString(Name);
-
-    if (Name != "n32" && Name != "n64")
-      return false;
-
-    ABI = Name;
-
     if (Name == "n32") {
       LongWidth = LongAlign = 32;
       PointerWidth = PointerAlign = 32;
-    }
-
-    return true;
+      ABI = Name;
+      return true;
+    } else if (Name == "n64") {
+      ABI = Name;
+      return true;
+    } else if (Name == "64") {
+      ABI = "n64";
+      return true;
+    } else
+      return false;
   }
   virtual void getTargetDefines(const LangOptions &Opts,
                                 MacroBuilder &Builder) const {

diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index c24878d70f91db72ffb444a1b5d8f50feb277a93..eac4bc600f0fbbfdaf11319f83b2feb59133c168 100644 (file)
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -870,8 +870,8 @@ static void getMipsCPUAndABI(const ArgList &Args,
   if (!ABIName.empty()) {
     // Deduce CPU name from ABI name.
     CPUName = llvm::StringSwitch<const char *>(ABIName)
-      .Cases("o32", "eabi", DefMips32CPU)
-      .Cases("n32", "n64", DefMips64CPU)
+      .Cases("32", "o32", "eabi", DefMips32CPU)
+      .Cases("n32", "n64", "64", DefMips64CPU)
       .Default("");
   }
   else if (!CPUName.empty()) {
@@ -885,6 +885,14 @@ static void getMipsCPUAndABI(const ArgList &Args,
   // FIXME: Warn on inconsistent cpu and abi usage.
 }
 
+// Convert ABI name to the GNU tools acceptable variant.
+static StringRef getGnuCompatibleMipsABIName(StringRef ABI) {
+  return llvm::StringSwitch<llvm::StringRef>(ABI)
+    .Case("o32", "32")
+    .Case("n64", "64")
+    .Default(ABI);
+}
+
 // Select the MIPS float ABI as determined by -msoft-float, -mhard-float,
 // and -mfloat-abi=.
 static StringRef getMipsFloatABI(const Driver &D, const ArgList &Args) {
@@ -5160,14 +5168,8 @@ void freebsd::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
     CmdArgs.push_back("-march");
     CmdArgs.push_back(CPUName.data());
 
-    // Convert ABI name to the GNU tools acceptable variant.
-    if (ABIName == "o32")
-      ABIName = "32";
-    else if (ABIName == "n64")
-      ABIName = "64";
-
     CmdArgs.push_back("-mabi");
-    CmdArgs.push_back(ABIName.data());
+    CmdArgs.push_back(getGnuCompatibleMipsABIName(ABIName).data());
 
     if (getToolChain().getArch() == llvm::Triple::mips ||
         getToolChain().getArch() == llvm::Triple::mips64)
@@ -5585,14 +5587,8 @@ void linuxtools::Assemble::ConstructJob(Compilation &C, const JobAction &JA,
     CmdArgs.push_back("-march");
     CmdArgs.push_back(CPUName.data());
 
-    // Convert ABI name to the GNU tools acceptable variant.
-    if (ABIName == "o32")
-      ABIName = "32";
-    else if (ABIName == "n64")
-      ABIName = "64";
-
     CmdArgs.push_back("-mabi");
-    CmdArgs.push_back(ABIName.data());
+    CmdArgs.push_back(getGnuCompatibleMipsABIName(ABIName).data());
 
     if (getToolChain().getArch() == llvm::Triple::mips ||
         getToolChain().getArch() == llvm::Triple::mips64)

diff --git a/test/Driver/freebsd-mips-as.c b/test/Driver/freebsd-mips-as.c
index 54ff1875155bf2ab1b4381fa36aa32e935e6a4a1..508debae7fb82956ee677c5b80c806910ef9179f 100644 (file)
--- a/test/Driver/freebsd-mips-as.c
+++ b/test/Driver/freebsd-mips-as.c
@@ -32,8 +32,8 @@
 //
 // RUN: %clang -target mipsel-unknown-freebsd -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=MIPS32-EL-AS %s
-// MIPS32-EL-AS: as{{(.exe)?}}" "-march" "mips32" "-mabi" "32" "-EL"
+// RUN:   | FileCheck -check-prefix=MIPS32-DEF-EL-AS %s
+// MIPS32-DEF-EL-AS: as{{(.exe)?}}" "-march" "mips32" "-mabi" "32" "-EL"
 //
 // RUN: %clang -target mips64-unknown-freebsd -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
@@ -42,8 +42,8 @@
 //
 // RUN: %clang -target mips64el-unknown-freebsd -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=MIPS64-EL-AS %s
-// MIPS64-EL-AS: as{{(.exe)?}}" "-march" "mips64" "-mabi" "64" "-EL"
+// RUN:   | FileCheck -check-prefix=MIPS64-DEF-EL-AS %s
+// MIPS64-DEF-EL-AS: as{{(.exe)?}}" "-march" "mips64" "-mabi" "64" "-EL"
 //
 // RUN: %clang -target mips-unknown-freebsd -mabi=eabi -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
@@ -55,6 +55,16 @@
 // RUN:   | FileCheck -check-prefix=MIPS-N32 %s
 // MIPS-N32: as{{(.exe)?}}" "-march" "mips64" "-mabi" "n32" "-EB"
 //
+// RUN: %clang -target mipsel-unknown-freebsd -mabi=32 -### \
+// RUN:   -no-integrated-as -c %s 2>&1 \
+// RUN:   | FileCheck -check-prefix=MIPS32-EL-AS %s
+// MIPS32-EL-AS: as{{(.exe)?}}" "-march" "mips32" "-mabi" "32" "-EL"
+//
+// RUN: %clang -target mips64el-unknown-freebsd -mabi=64 -### \
+// RUN:   -no-integrated-as -c %s 2>&1 \
+// RUN:   | FileCheck -check-prefix=MIPS64-EL-AS %s
+// MIPS64-EL-AS: as{{(.exe)?}}" "-march" "mips64" "-mabi" "64" "-EL"
+//
 // RUN: %clang -target mips-linux-freebsd -march=mips32r2 -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
 // RUN:   | FileCheck -check-prefix=MIPS-32R2 %s

diff --git a/test/Driver/mips-as.c b/test/Driver/mips-as.c
index fbaf62fdadd5451448bab8036498796089b79b91..146b1930c61814a283a0db2364c1ebbee5ef3e8a 100644 (file)
--- a/test/Driver/mips-as.c
+++ b/test/Driver/mips-as.c
@@ -16,8 +16,8 @@
 //
 // RUN: %clang -target mipsel-linux-gnu -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=MIPS32-EL-AS %s
-// MIPS32-EL-AS: as{{(.exe)?}}" "-march" "mips32" "-mabi" "32" "-EL"
+// RUN:   | FileCheck -check-prefix=MIPS32-DEF-EL-AS %s
+// MIPS32-DEF-EL-AS: as{{(.exe)?}}" "-march" "mips32" "-mabi" "32" "-EL"
 //
 // RUN: %clang -target mips64-linux-gnu -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
@@ -26,8 +26,8 @@
 //
 // RUN: %clang -target mips64el-linux-gnu -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=MIPS64-EL-AS %s
-// MIPS64-EL-AS: as{{(.exe)?}}" "-march" "mips64" "-mabi" "64" "-EL"
+// RUN:   | FileCheck -check-prefix=MIPS64-DEF-EL-AS %s
+// MIPS64-DEF-EL-AS: as{{(.exe)?}}" "-march" "mips64" "-mabi" "64" "-EL"
 //
 // RUN: %clang -target mips-linux-gnu -mabi=eabi -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
@@ -39,6 +39,16 @@
 // RUN:   | FileCheck -check-prefix=MIPS-N32 %s
 // MIPS-N32: as{{(.exe)?}}" "-march" "mips64" "-mabi" "n32" "-EB"
 //
+// RUN: %clang -target mipsel-linux-gnu -mabi=32 -### \
+// RUN:   -no-integrated-as -c %s 2>&1 \
+// RUN:   | FileCheck -check-prefix=MIPS32-EL-AS %s
+// MIPS32-EL-AS: as{{(.exe)?}}" "-march" "mips32" "-mabi" "32" "-EL"
+//
+// RUN: %clang -target mips64el-linux-gnu -mabi=64 -### \
+// RUN:   -no-integrated-as -c %s 2>&1 \
+// RUN:   | FileCheck -check-prefix=MIPS64-EL-AS %s
+// MIPS64-EL-AS: as{{(.exe)?}}" "-march" "mips64" "-mabi" "64" "-EL"
+//
 // RUN: %clang -target mips-linux-gnu -march=mips32r2 -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
 // RUN:   | FileCheck -check-prefix=MIPS-32R2 %s