[mips] implement .set dspr2 directive

Implement .set dspr2 directive with appropriate feature bits. This
directive is a counterpart of -mattr=dspr2 command line option with the
exception that it does not influence elf header flags.

Patch by Milos Stojanovic.

Differential Revision: https://reviews.llvm.org/D38537

llvm-svn: 314994

1 files changed, 6 insertions, 0 deletions

diff --git a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
index 9bbb430962e..6a411e0856b 100644
--- a/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
+++ b/llvm/lib/Target/Mips/AsmParser/MipsAsmParser.cpp
@@ -6584,6 +6584,10 @@ bool MipsAsmParser::parseSetFeature(uint64_t Feature) {
     setFeatureBits(Mips::FeatureDSP, "dsp");
     getTargetStreamer().emitDirectiveSetDsp();
     break;
+  case Mips::FeatureDSPR2:
+    setFeatureBits(Mips::FeatureDSPR2, "dspr2");
+    getTargetStreamer().emitDirectiveSetDspr2();
+    break;
   case Mips::FeatureMicroMips:
     setFeatureBits(Mips::FeatureMicroMips, "micromips");
     getTargetStreamer().emitDirectiveSetMicroMips();
@@ -6928,6 +6932,8 @@ bool MipsAsmParser::parseDirectiveSet() {
     return parseSetFeature(Mips::FeatureMips64r6);
   } else if (Tok.getString() == "dsp") {
     return parseSetFeature(Mips::FeatureDSP);
+  } else if (Tok.getString() == "dspr2") {
+    return parseSetFeature(Mips::FeatureDSPR2);
   } else if (Tok.getString() == "nodsp") {
     return parseSetNoDspDirective();
   } else if (Tok.getString() == "msa") {