4.0.0

Feature

• Fix SPDX format

• Support multi return values import function

• Support immutable import globals

• Support default import API 'dumpMemoryRegion'

• Performance improvements:

  • 2% code size reduce on tricore
  • 2% cpu performance improvement on polybench
  • faster function call by less reg spills and moves than v3

Bug Fixes

• Fixed the problem that load opcode will trigger Implement Limitation on TRICORE.
• Fixed the misbehavior of wasm memcpy on x86 backend
• Fix SPDX format
• Fix encoding compatibility
• Fixed wrong machine type for type_cast instruction
• Fix missed signatureType in findGlobalByName
• x86_64 backend:
  • fix wrong register selection of f32/f64 max/min.
• Tricore backend:
  • fixed i32.load16_s and i32.load16_u producing incorrect results with unaligned addresses due to shared load cache between signed and unsigned variants

Internal changes

• Condense order changed to top->end