[WebAssembly] Support for floating point min and max.

llvm-svn: 252653

1 files changed, 3 insertions, 7 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrFloat.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrFloat.td
index 689aeac6291..232af03464a 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrFloat.td
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrFloat.td
@@ -22,6 +22,9 @@ defm ABS : UnaryFP<fabs, "abs">;
 defm NEG : UnaryFP<fneg, "neg">;
 defm COPYSIGN : BinaryFP<fcopysign, "copysign">;
 
+defm MIN : BinaryFP<fminnan, "min">;
+defm MAX : BinaryFP<fmaxnan, "max">;
+
 defm CEIL : UnaryFP<fceil, "ceil">;
 defm FLOOR : UnaryFP<ffloor, "floor">;
 defm TRUNC : UnaryFP<ftrunc, "trunc">;
@@ -52,13 +55,6 @@ def : Pat<(setle f64:$lhs, f64:$rhs), (LE_F64 f64:$lhs, f64:$rhs)>;
 def : Pat<(setgt f64:$lhs, f64:$rhs), (GT_F64 f64:$lhs, f64:$rhs)>;
 def : Pat<(setge f64:$lhs, f64:$rhs), (GE_F64 f64:$lhs, f64:$rhs)>;
 
-/*
- * TODO(jfb): Add the following for 32-bit and 64-bit.
- *
- * f32.min: minimum (binary operator); if either operand is NaN, returns NaN
- * f32.max: maximum (binary operator); if either operand is NaN, returns NaN
- */
-
 def SELECT_F32 : I<(outs F32:$dst), (ins I32:$cond, F32:$lhs, F32:$rhs),
                    [(set F32:$dst, (select I32:$cond, F32:$lhs, F32:$rhs))],
                    "f32.select $dst, $cond, $lhs, $rhs">;