fluencelabs/wasmer
1
0
Fork 0
mirror of https://github.com/fluencelabs/wasmer synced 2025-06-15 09:51:21 +00:00
Code Issues Projects Releases Wiki Activity

Add sign extension spec tests; add sign extension to singlepass

Browse Source
This commit is contained in:
Mark McCaskey
2019-11-15 21:54:34 -08:00
parent ab59a418c3
commit 7631aee4f4
5 changed files with 214 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

125
lib/singlepass-backend/src/codegen_x64.rs
View File

@ -666,7 +666,11 @@ impl X64FunctionCode {
a.emit_mov(Size::S64, src, Location::GPR(tmp_src));
src = Location::GPR(tmp_src);
}
Location::Memory(_, _) | Location::GPR(_) => {}
Location::GPR(_) => {
a.emit_mov(Size::S64, src, Location::GPR(tmp_src));
src = Location::GPR(tmp_src);
}
Location::Memory(_, _) => {}
_ => unreachable!(),
}
@ -2948,6 +2952,125 @@ impl FunctionCodeGenerator<CodegenError> for X64FunctionCode {
ret,
);
}
Operator::I32Extend8S => {
let loc =
get_location_released(a, &mut self.machine, self.value_stack.pop().unwrap());
let ret = self.machine.acquire_locations(
a,
&[(WpType::I32, MachineValue::WasmStack(self.value_stack.len()))],
false,
)[0];
self.value_stack.push(ret);
let tmpg1 = self.machine.acquire_temp_gpr().unwrap();
a.emit_mov(Size::S32, loc, Location::GPR(tmpg1));
a.emit_and(Size::S32, Location::Imm32(0xFF), Location::GPR(tmpg1));
Self::emit_relaxed_zx_sx(
a,
&mut self.machine,
Assembler::emit_movsx,
Size::S8,
Location::GPR(tmpg1),
Size::S32,
ret,
);
self.machine.release_temp_gpr(tmpg1);
}
Operator::I32Extend16S => {
let loc =
get_location_released(a, &mut self.machine, self.value_stack.pop().unwrap());
let ret = self.machine.acquire_locations(
a,
&[(WpType::I32, MachineValue::WasmStack(self.value_stack.len()))],
false,
)[0];
self.value_stack.push(ret);
let tmpg1 = self.machine.acquire_temp_gpr().unwrap();
a.emit_mov(Size::S32, loc, Location::GPR(tmpg1));
a.emit_and(Size::S32, Location::Imm32(0xFFFF), Location::GPR(tmpg1));
Self::emit_relaxed_zx_sx(
a,
&mut self.machine,
Assembler::emit_movsx,
Size::S16,
Location::GPR(tmpg1),
Size::S32,
ret,
);
self.machine.release_temp_gpr(tmpg1);
}
Operator::I64Extend8S => {
let loc =
get_location_released(a, &mut self.machine, self.value_stack.pop().unwrap());
let ret = self.machine.acquire_locations(
a,
&[(WpType::I64, MachineValue::WasmStack(self.value_stack.len()))],
false,
)[0];
self.value_stack.push(ret);
let tmpg1 = self.machine.acquire_temp_gpr().unwrap();
a.emit_mov(Size::S32, loc, Location::GPR(tmpg1));
a.emit_and(Size::S32, Location::Imm32(0xFF), Location::GPR(tmpg1));
Self::emit_relaxed_zx_sx(
a,
&mut self.machine,
Assembler::emit_movsx,
Size::S8,
Location::GPR(tmpg1),
Size::S64,
ret,
);
self.machine.release_temp_gpr(tmpg1);
}
Operator::I64Extend16S => {
let loc =
get_location_released(a, &mut self.machine, self.value_stack.pop().unwrap());
let ret = self.machine.acquire_locations(
a,
&[(WpType::I64, MachineValue::WasmStack(self.value_stack.len()))],
false,
)[0];
self.value_stack.push(ret);
let tmpg1 = self.machine.acquire_temp_gpr().unwrap();
a.emit_mov(Size::S32, loc, Location::GPR(tmpg1));
a.emit_and(Size::S32, Location::Imm32(0xFFFF), Location::GPR(tmpg1));
Self::emit_relaxed_zx_sx(
a,
&mut self.machine,
Assembler::emit_movsx,
Size::S16,
Location::GPR(tmpg1),
Size::S64,
ret,
);
self.machine.release_temp_gpr(tmpg1);
}
Operator::I64Extend32S => {
let loc =
get_location_released(a, &mut self.machine, self.value_stack.pop().unwrap());
let ret = self.machine.acquire_locations(
a,
&[(WpType::I64, MachineValue::WasmStack(self.value_stack.len()))],
false,
)[0];
self.value_stack.push(ret);
let tmpg1 = self.machine.acquire_temp_gpr().unwrap();
a.emit_mov(Size::S32, loc, Location::GPR(tmpg1));
Self::emit_relaxed_zx_sx(
a,
&mut self.machine,
Assembler::emit_movsx,
Size::S32,
Location::GPR(tmpg1),
Size::S64,
ret,
);
self.machine.release_temp_gpr(tmpg1);
}
Operator::I32WrapI64 => {
let loc =
get_location_released(a, &mut self.machine, self.value_stack.pop().unwrap());