WebAssembly: minor MCAsmInfo fixes

Summary:
Fix pointer / callee-save stack sto size.
Update comment character to be LISP-ish.

Subscribers: llvm-commits, sunfish, jfb

Differential Revision: http://reviews.llvm.org/D11537

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243326 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCAsmInfo.cpp b/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCAsmInfo.cpp
index 55346f71c6fc10753cbd588121897b95c1e8851e..5a54b3a24c892497a2087f841962561e26d11fd3 100644 (file)
--- a/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCAsmInfo.cpp
+++ b/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCAsmInfo.cpp
@@ -23,13 +23,20 @@ using namespace llvm;
 WebAssemblyMCAsmInfo::~WebAssemblyMCAsmInfo() {}
 
 WebAssemblyMCAsmInfo::WebAssemblyMCAsmInfo(const Triple &T) {
 WebAssemblyMCAsmInfo::~WebAssemblyMCAsmInfo() {}
 
 WebAssemblyMCAsmInfo::WebAssemblyMCAsmInfo(const Triple &T) {

-  PointerSize = CalleeSaveStackSlotSize = T.isArch64Bit();
+  PointerSize = CalleeSaveStackSlotSize = T.isArch64Bit() ? 8 : 4;

 
   // TODO: What should MaxInstLength be?
 
 
   // TODO: What should MaxInstLength be?
 

+  // WebAssembly's text format uses s-expressions to represent its AST,
+  // LISP-style comments are therefore suitable.
+  CommentString = ";";
+

   PrivateGlobalPrefix = "";
   PrivateLabelPrefix = "";
 
   PrivateGlobalPrefix = "";
   PrivateLabelPrefix = "";
 

+  InlineAsmStart = ";APP\n";
+  InlineAsmEnd = ";NO_APP\n";
+

   UseDataRegionDirectives = true;
 
   Data8bitsDirective = "\t.int8\t";
   UseDataRegionDirectives = true;
 
   Data8bitsDirective = "\t.int8\t";