comment

1 files changed, 4 insertions, 3 deletions

diff --git a/src/settings.js b/src/settings.js
index c5894b87..092822e9 100644
--- a/src/settings.js
+++ b/src/settings.js
@@ -52,9 +52,10 @@ USE_FHEAP = 1; // Relevant in USE_TYPED_ARRAYS == 1. If this is disabled, only I
                // not generated at all. This is useful if your code is 100% ints without floats or doubles
 I64_MODE = 0; // How to implement 64-bit integers:
               // 0: As doubles. This will work up to about 53 bits.
-              // 1: As [low, high]. This will support all 64 bits for bit ops, etc., but not full math.
-              //    TODO: reuse these arrays/escape analysis to avoid GC
-              // 2: Full bignum support. TODO
+              // 1: As [low, high]. This will support all 64 bits for bit ops, etc. properly, but will still
+              //                    use doubles for addition etc., like mode 0. This mode is slower than
+              //                    mode 0, so its only benefit is proper support for 64 bit bitops.
+              // TODO: Full bignum support
 
 SKIP_STACK_IN_SMALL = 1; // When enabled, does not push/pop the stack at all in
                          // functions that have no basic stack usage. But, they