[RISCV] Add support for .half, .hword, .word, .dword directives
These directives are recognised by gas. Support is added through the use of
addAliasForDirective.
Also match RISC-V gcc in preferring .half and .word for 16-bit and 32-bit data
directives.
llvm-svn: 332574
diff --git a/llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp b/llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
index 487eea1..c51e4b3 100644
--- a/llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
+++ b/llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
@@ -105,6 +105,10 @@
RISCVAsmParser(const MCSubtargetInfo &STI, MCAsmParser &Parser,
const MCInstrInfo &MII, const MCTargetOptions &Options)
: MCTargetAsmParser(Options, STI, MII) {
+ Parser.addAliasForDirective(".half", ".2byte");
+ Parser.addAliasForDirective(".hword", ".2byte");
+ Parser.addAliasForDirective(".word", ".4byte");
+ Parser.addAliasForDirective(".dword", ".8byte");
setAvailableFeatures(ComputeAvailableFeatures(STI.getFeatureBits()));
}
};