commit 3dac214273ee354ca7139c8b4f0ff70bd4d122e3
author Justin Hibbits <jrh29@alumni.cwru.edu> Thu Sep 05 13:38:46 2019 +0000
committer Justin Hibbits <jrh29@alumni.cwru.edu> Thu Sep 05 13:38:46 2019 +0000
tree e8574bdbf828a1d84b5f2bf8009fc25e3a06705e
parent 2172f3f49d279241060038b0d1886d1e6a7e2bc8

Add -m(no)-spe to clang

Summary:
r337347 added support for the Signal Processing Engine (SPE) to LLVM.
This follows that up with the clang side.

This adds -mspe and -mno-spe, to match GCC.

Subscribers: nemanjai, kbarton, cfe-commits

Differential Revision: https://reviews.llvm.org/D49754

llvm-svn: 371066

clang/lib/Basic/Targets/PPC.cpp

diff --git a/clang/lib/Basic/Targets/PPC.cpp b/clang/lib/Basic/Targets/PPC.cpp
index 2a773d9..a409910 100644
--- a/clang/lib/Basic/Targets/PPC.cpp
+++ b/clang/lib/Basic/Targets/PPC.cpp
@@ -54,6 +54,10 @@
       HasFloat128 = true;
     } else if (Feature == "+power9-vector") {
       HasP9Vector = true;
+    } else if (Feature == "+spe") {
+      HasSPE = true;
+      LongDoubleWidth = LongDoubleAlign = 64;
+      LongDoubleFormat = &llvm::APFloat::IEEEdouble();
     } else if (Feature == "-hard-float") {
       FloatABI = SoftFloat;
     }
@@ -165,6 +169,10 @@
     Builder.defineMacro("__VEC__", "10206");
     Builder.defineMacro("__ALTIVEC__");
   }
+  if (HasSPE) {
+    Builder.defineMacro("__SPE__");
+    Builder.defineMacro("__NO_FPRS__");
+  }
   if (HasVSX)
     Builder.defineMacro("__VSX__");
   if (HasP8Vector)
@@ -203,7 +211,6 @@
   //   __CMODEL_LARGE__
   //   _CALL_SYSV
   //   _CALL_DARWIN
-  //   __NO_FPRS__
 }
 
 // Handle explicit options being passed to the compiler here: if we've
@@ -332,6 +339,7 @@
       .Case("extdiv", HasExtDiv)
       .Case("float128", HasFloat128)
       .Case("power9-vector", HasP9Vector)
+      .Case("spe", HasSPE)
       .Default(false);
 }
 

clang/lib/Basic/Targets/PPC.h

diff --git a/clang/lib/Basic/Targets/PPC.h b/clang/lib/Basic/Targets/PPC.h
index 6e5df09..6c6421c 100644
--- a/clang/lib/Basic/Targets/PPC.h
+++ b/clang/lib/Basic/Targets/PPC.h
@@ -66,6 +66,7 @@
   bool HasBPERMD = false;
   bool HasExtDiv = false;
   bool HasP9Vector = false;
+  bool HasSPE = false;
 
 protected:
   std::string ABI;

clang/lib/CodeGen/TargetInfo.cpp

diff --git a/clang/lib/CodeGen/TargetInfo.cpp b/clang/lib/CodeGen/TargetInfo.cpp
index 760895a..ffd5586 100644
--- a/clang/lib/CodeGen/TargetInfo.cpp
+++ b/clang/lib/CodeGen/TargetInfo.cpp
@@ -9726,7 +9726,8 @@
 
   case llvm::Triple::ppc:
     return SetCGInfo(
-        new PPC32TargetCodeGenInfo(Types, CodeGenOpts.FloatABI == "soft"));
+        new PPC32TargetCodeGenInfo(Types, CodeGenOpts.FloatABI == "soft" ||
+                                   getTarget().hasFeature("spe")));
   case llvm::Triple::ppc64:
     if (Triple.isOSBinFormatELF()) {
       PPC64_SVR4_ABIInfo::ABIKind Kind = PPC64_SVR4_ABIInfo::ELFv1;