[WebAssembly] Assembler: support .int16/32/64 directives.
Reviewers: sbc100
Subscribers: dschuff, jgravelle-google, aheejin, sunfish, llvm-commits
Tags: #llvm
Differential Revision: https://reviews.llvm.org/D63959
llvm-svn: 364689
diff --git a/llvm/lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp b/llvm/lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp
index c0abd11..e22ed8e 100644
--- a/llvm/lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp
+++ b/llvm/lib/Target/WebAssembly/AsmParser/WebAssemblyAsmParser.cpp
@@ -665,13 +665,18 @@
return expect(AsmToken::EndOfStatement, "EOL");
}
- if (DirectiveID.getString() == ".int8") {
+ if (DirectiveID.getString() == ".int8" ||
+ DirectiveID.getString() == ".int16" ||
+ DirectiveID.getString() == ".int32" ||
+ DirectiveID.getString() == ".int64") {
if (CheckDataSection()) return true;
- int64_t V;
- if (Parser.parseAbsoluteExpression(V))
- return error("Cannot parse int8 constant: ", Lexer.getTok());
- // TODO: error if value doesn't fit?
- Out.EmitIntValue(static_cast<uint64_t>(V), 1);
+ const MCExpr *Val;
+ SMLoc End;
+ if (Parser.parseExpression(Val, End))
+ return error("Cannot parse .int expression: ", Lexer.getTok());
+ size_t NumBits = 0;
+ DirectiveID.getString().drop_front(4).getAsInteger(10, NumBits);
+ Out.EmitValue(Val, NumBits / 8, End);
return expect(AsmToken::EndOfStatement, "EOL");
}