WebAssembly: add basic int/fp instruction codegen.

Summary: This patch has the most basic instruction codegen for 32 and 64 bit int/fp.

Reviewers: sunfish

Subscribers: llvm-commits, jfb

Differential Revision: http://reviews.llvm.org/D11193

llvm-svn: 242201

1 files changed, 26 insertions, 0 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrFormats.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrFormats.td
index 80cede0c8ca..513c36fa2ec 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrFormats.td
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrFormats.td
@@ -27,3 +27,29 @@ class I<dag oops, dag iops, list<dag> pattern, string cstr = "">
   dag InOperandList  = iops;
   let Pattern        = pattern;
 }
+
+// Unary and binary instructions, for the local types that WebAssembly supports.
+multiclass UnaryInt<SDNode node> {
+  def _I32 : I<(outs Int32:$dst), (ins Int32:$src),
+               [(set Int32:$dst, (node Int32:$src))]>;
+  def _I64 : I<(outs Int64:$dst), (ins Int64:$src),
+               [(set Int64:$dst, (node Int64:$src))]>;
+}
+multiclass BinaryInt<SDNode node> {
+  def _I32 : I<(outs Int32:$dst), (ins Int32:$lhs, Int32:$rhs),
+               [(set Int32:$dst, (node Int32:$lhs, Int32:$rhs))]>;
+  def _I64 : I<(outs Int64:$dst), (ins Int64:$lhs, Int64:$rhs),
+               [(set Int64:$dst, (node Int64:$lhs, Int64:$rhs))]>;
+}
+multiclass UnaryFP<SDNode node> {
+  def _F32 : I<(outs Float32:$dst), (ins Float32:$src),
+               [(set Float32:$dst, (node Float32:$src))]>;
+  def _F64 : I<(outs Float64:$dst), (ins Float64:$src),
+               [(set Float64:$dst, (node Float64:$src))]>;
+}
+multiclass BinaryFP<SDNode node> {
+  def _F32 : I<(outs Float32:$dst), (ins Float32:$lhs, Float32:$rhs),
+               [(set Float32:$dst, (node Float32:$lhs, Float32:$rhs))]>;
+  def _F64 : I<(outs Float64:$dst), (ins Float64:$lhs, Float64:$rhs),
+               [(set Float64:$dst, (node Float64:$lhs, Float64:$rhs))]>;
+}