winch: Add support for integer multiplication in x64. (#5769)

This commit adds support for the `<i32|i64>.mul` WebAssembly instructions in x64.
2023-02-13 16:20:36 -05:00
parent 19f337e29b
commit 91c8114f00
21 changed files with 370 additions and 0 deletions
--- a/winch/codegen/src/masm.rs
+++ b/winch/codegen/src/masm.rs
@@ -91,6 +91,9 @@ pub(crate) trait MacroAssembler {
    /// Perform subtraction operation.
    fn sub(&mut self, dst: RegImm, lhs: RegImm, rhs: RegImm, size: OperandSize);

+    /// Perform multiplication operation.
+    fn mul(&mut self, dst: RegImm, lhs: RegImm, rhs: RegImm, size: OperandSize);
+
    /// Push the register to the stack, returning the offset.
    fn push(&mut self, src: Reg) -> u32;