print infinity properly #71

2 files changed, 8 insertions, 4 deletions

diff --git a/src/wasm.h b/src/wasm.h
index 399e58cfe..e3724c612 100644
--- a/src/wasm.h
+++ b/src/wasm.h
@@ -213,6 +213,10 @@ struct Literal {
       o << "nan:" << std::hex << u.ll << std::dec;
       return;
     }
+    if (!std::isfinite(d)) {
+      o << (d < 0 ? "-infinity" : "infinity");
+      return;
+    }
     const char *text = cashew::JSPrinter::numToString(d);
     // spec interpreter hates floats starting with '.'
     if (text[0] == '.') {
diff --git a/test/dot_s/immediates.wast b/test/dot_s/immediates.wast
index 257421fd9..74f819e3a 100644
--- a/test/dot_s/immediates.wast
+++ b/test/dot_s/immediates.wast
@@ -154,7 +154,7 @@
     (block $fake_return_waka123
       (block
         (br $fake_return_waka123
-          (f32.const inf)
+          (f32.const infinity)
         )
       )
     )
@@ -163,7 +163,7 @@
     (block $fake_return_waka123
       (block
         (br $fake_return_waka123
-          (f32.const -inf)
+          (f32.const -infinity)
         )
       )
     )
@@ -226,7 +226,7 @@
     (block $fake_return_waka123
       (block
         (br $fake_return_waka123
-          (f64.const inf)
+          (f64.const infinity)
         )
       )
     )
@@ -235,7 +235,7 @@
     (block $fake_return_waka123
       (block
         (br $fake_return_waka123
-          (f64.const -inf)
+          (f64.const -infinity)
         )
       )
     )