[Mips] TargetStreamer Support for .set mips16.
This patch updates .set mips16 support which
affects the ELF ABI and its flags. In addition the patch uses
a common interface for both the MipsTargetSteamer and
MipsObjectStreamer that the assembler uses for
both ELF and ASCII output for these directives.
llvm-svn: 199851
diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
index 909f9dc..786edf5 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
@@ -63,6 +63,12 @@
void MipsTargetAsmStreamer::emitDirectiveOptionPic0() {
OS << "\t.option\tpic0\n";
}
+void MipsTargetAsmStreamer::emitDirectiveSetMips16(bool IsMips16) {
+ if (IsMips16)
+ OS << "\t.set\tmips16\n";
+ else
+ OS << "\t.set\tnomips16\n";
+}
// This part is for ELF object output.
MipsTargetELFStreamer::MipsTargetELFStreamer() : MicroMipsEnabled(false) {}
@@ -122,3 +128,13 @@
Flags &= ~ELF::EF_MIPS_PIC;
MCA.setELFHeaderEFlags(Flags);
}
+void MipsTargetELFStreamer::emitDirectiveSetMips16(bool IsMips16) {
+ // Don't do anything for .set nomips16
+ if (!IsMips16)
+ return;
+
+ MCAssembler &MCA = getStreamer().getAssembler();
+ unsigned Flags = MCA.getELFHeaderEFlags();
+ Flags |= ELF::EF_MIPS_ARCH_ASE_M16;
+ MCA.setELFHeaderEFlags(Flags);
+}