Add signext-lowering comment

CosmWasm · Jul 28, 2023 · bc393ba · bc393ba
1 parent ed0ef8a
commit bc393ba
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Showing 2 changed files with 2 additions and 0 deletions.
diff --git a/optimize.sh b/optimize.sh
@@ -44,6 +44,7 @@ for CONTRACTDIR in "$@"; do
     echo "Creating intermediate hash for $NAME ..."
     sha256sum -- "$WASM" | tee -a artifacts/checksums_intermediate.txt
     echo "Optimizing $NAME ..."
+    # --signext-lowering is needed to support blockchains runnning CosmWasm < 1.3. It can be removed eventually
     wasm-opt -Os --signext-lowering "$WASM" -o "artifacts/$NAME"
   done
 done

diff --git a/optimize_workspace.sh b/optimize_workspace.sh
@@ -65,6 +65,7 @@ TMPARTIFACTS=$(mktemp -p "$(pwd)" -d artifacts.XXXXXX)
       echo "$INTERMEDIATE_SHA" >>"$INTERMEDIATE_SHAS"
 
       echo "Optimizing ${BASENAME}..."
+      # --signext-lowering is needed to support blockchains runnning CosmWasm < 1.3. It can be removed eventually
       wasm-opt -Os --signext-lowering "$WASM" -o "$OPTIMIZED_WASM"
       echo "Moving ${OPTIMIZED_WASM}..."
       mv "$OPTIMIZED_WASM" ../artifacts