[mips] Fix ELF header flags.
As opposed to GCC/GAS the default ABI for Mips64 is n64.
Compatibility bit should be set if o32 ABI is used when targeting Mips64.
llvm-svn: 200332
diff --git a/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp b/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
index 0dec292..41b8ad6 100644
--- a/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
+++ b/llvm/lib/Target/Mips/MCTargetDesc/MipsTargetStreamer.cpp
@@ -137,7 +137,14 @@
EFlags |= ELF::EF_MIPS_ARCH_32;
if (T.isArch64Bit()) {
- EFlags |= ELF::EF_MIPS_ABI2;
+ if (Features & Mips::FeatureN32)
+ EFlags |= ELF::EF_MIPS_ABI2;
+ else if (Features & Mips::FeatureO32) {
+ EFlags |= ELF::EF_MIPS_ABI_O32;
+ EFlags |= ELF::EF_MIPS_32BITMODE; /* Compatibility Mode */
+ }
+ // No need to set any bit for N64 which is the default ABI at the moment
+ // for 64-bit Mips architectures.
} else {
if (Features & Mips::FeatureMips64r2 || Features & Mips::FeatureMips64)
EFlags |= ELF::EF_MIPS_32BITMODE;