feat: pass all i64 tests, add missing conversion opcodes

Signed-off-by: Henry <mail@henrygressmann.de>

crates/parser/src/conversion.rs

@@ -546,6 +546,9 @@ pub fn process_operators<'a>(
             I32TruncF32U => Instruction::I32TruncF32U,
             I32TruncF64S => Instruction::I32TruncF64S,
             I32TruncF64U => Instruction::I32TruncF64U,
+            I64Extend8S => Instruction::I64Extend8S,
+            I64Extend16S => Instruction::I64Extend16S,
+            I64Extend32S => Instruction::I64Extend32S,
             I64ExtendI32S => Instruction::I64ExtendI32S,
             I64ExtendI32U => Instruction::I64ExtendI32U,
             I32Extend8S => Instruction::I32Extend8S,
@@ -568,6 +571,14 @@ pub fn process_operators<'a>(
             I64ReinterpretF64 => Instruction::I64ReinterpretF64,
             F32ReinterpretI32 => Instruction::F32ReinterpretI32,
             F64ReinterpretI64 => Instruction::F64ReinterpretI64,
+            I32TruncSatF32S => Instruction::I32TruncSatF32S,
+            I32TruncSatF32U => Instruction::I32TruncSatF32U,
+            I32TruncSatF64S => Instruction::I32TruncSatF64S,
+            I32TruncSatF64U => Instruction::I32TruncSatF64U,
+            I64TruncSatF32S => Instruction::I64TruncSatF32S,
+            I64TruncSatF32U => Instruction::I64TruncSatF32U,
+            I64TruncSatF64S => Instruction::I64TruncSatF64S,
+            I64TruncSatF64U => Instruction::I64TruncSatF64U,
             op => {
                 return Err(crate::ParseError::UnsupportedOperator(format!(
                     "Unsupported instruction: {:?}",

crates/tinywasm/src/runtime/executor/mod.rs

@@ -354,6 +354,9 @@ fn exec_one(
         F64ConvertI64U => conv_2!(i64, u64, f64, stack),
         I32Extend8S => conv_2!(i32, i8, i32, stack),
         I32Extend16S => conv_2!(i32, i16, i32, stack),
+        I64Extend8S => conv_2!(i64, i8, i64, stack),
+        I64Extend16S => conv_2!(i64, i16, i64, stack),
+        I64Extend32S => conv_2!(i64, i32, i64, stack),
         I64ExtendI32U => conv_2!(i32, u32, i64, stack),
         I64ExtendI32S => conv_1!(i32, i64, stack),
         I32WrapI64 => conv_1!(i64, i32, stack),

crates/types/src/instructions.rs

@@ -215,6 +215,9 @@ pub enum Instruction {
     I32TruncF64U,
     I32Extend8S,
     I32Extend16S,
+    I64Extend8S,
+    I64Extend16S,
+    I64Extend32S,
     I64ExtendI32S,
     I64ExtendI32U,
     I64TruncF32S,
@@ -235,4 +238,12 @@ pub enum Instruction {
     I64ReinterpretF64,
     F32ReinterpretI32,
     F64ReinterpretI64,
+    I32TruncSatF32S,
+    I32TruncSatF32U,
+    I32TruncSatF64S,
+    I32TruncSatF64U,
+    I64TruncSatF32S,
+    I64TruncSatF32U,
+    I64TruncSatF64S,
+    I64TruncSatF64U,
 }