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[MODS/VM]: Add all i32 and i64 comparators

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luccie 2025-08-12 00:49:28 +02:00
parent 6e3bc89fcc
commit 4383c0e13e
1 changed files with 78 additions and 31 deletions
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109
src/mods/vm.zig
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@ -403,7 +403,9 @@ pub const Runtime = struct {
@memcpy(self.memory[start..end], std.mem.asBytes(&val));
},
.memorysize => @panic("UNIMPLEMENTED"),
.memorysize => {
try self.stack.append(.{ .i32 = @intCast(self.memory.len / Parser.PAGE_SIZE) });
},
.memorygrow => {
const newPages = self.stack.pop().?.i32;
const newSize = (self.memory.len / Parser.PAGE_SIZE) + @as(usize, @intCast(newPages));
@ -414,6 +416,7 @@ pub const Runtime = struct {
self.memory = try allocator.realloc(self.memory, newSize * Parser.PAGE_SIZE);
try self.stack.append(.{ .i32 = oldPages });
},
// TODO(luccie): We need passive memory for this
.memoryinit => @panic("UNIMPLEMENTED"),
.datadrop => @panic("UNIMPLEMENTED"),
.memorycopy => {
@ -445,64 +448,108 @@ pub const Runtime = struct {
.i32_eq => {
const a = self.stack.pop().?.i32;
const b = self.stack.pop().?.i32;
try self.stack.append(Value{ .i32 = @intCast(@as(u1, @bitCast(a == b))) });
try self.stack.append(Value{ .i32 = @intFromBool(a == b) });
},
.i32_ne => {
const a = self.stack.pop().?.i32;
const b = self.stack.pop().?.i32;
try self.stack.append(Value{ .i32 = @intCast(@as(u1, @bitCast(a != b))) });
try self.stack.append(Value{ .i32 = @intFromBool(a != b) });
},
.i32_lt_s => {
const a = self.stack.pop().?.i32;
const b = self.stack.pop().?.i32;
try self.stack.append(Value{ .i32 = @intFromBool(b < a) });
},
.i32_lt_s => @panic("UNIMPLEMENTED"),
.i32_lt_u => {
const a = self.stack.pop().?.i32;
const b = self.stack.pop().?.i32;
try self.stack.append(Value{ .i32 = @intCast(@as(u1, @bitCast(b < a))) });
const a = @as(u32, @bitCast(self.stack.pop().?.i32));
const b = @as(u32, @bitCast(self.stack.pop().?.i32));
try self.stack.append(Value{ .i32 = @intFromBool(b < a) });
},
.i32_gt_s => @panic("UNIMPLEMENTED"),
.i32_gt_u => {
.i32_gt_s => {
const a = self.stack.pop().?.i32;
const b = self.stack.pop().?.i32;
try self.stack.append(Value{ .i32 = @intCast(@as(u1, @bitCast(b > a))) });
try self.stack.append(Value{ .i32 = @intFromBool(b > a) });
},
.i32_gt_u => {
const a = @as(u32, @bitCast(self.stack.pop().?.i32));
const b = @as(u32, @bitCast(self.stack.pop().?.i32));
try self.stack.append(Value{ .i32 = @intFromBool(b > a) });
},
.i32_le_s => {
const a = self.stack.pop().?.i32;
const b = self.stack.pop().?.i32;
try self.stack.append(Value{ .i32 = @intCast(@as(u1, @bitCast(b <= a))) });
try self.stack.append(Value{ .i32 = @intFromBool(b <= a) });
},
.i32_le_u => {
const a = @as(u32, @intCast(self.stack.pop().?.i32));
const b = @as(u32, @intCast(self.stack.pop().?.i32));
try self.stack.append(Value{ .i32 = @intCast(@as(u1, @bitCast(b <= a))) });
const a = @as(u32, @bitCast(self.stack.pop().?.i32));
const b = @as(u32, @bitCast(self.stack.pop().?.i32));
try self.stack.append(Value{ .i32 = @intFromBool(b <= a) });
},
.i32_ge_s => {
const a = self.stack.pop().?.i32;
const b = self.stack.pop().?.i32;
try self.stack.append(Value{ .i32 = @intCast(@as(u1, @bitCast(b >= a))) });
try self.stack.append(Value{ .i32 = @intFromBool(b >= a) });
},
.i32_ge_u => {
const a = @as(u32, @intCast(self.stack.pop().?.i32));
const b = @as(u32, @intCast(self.stack.pop().?.i32));
try self.stack.append(Value{ .i32 = @intCast(@as(u1, @bitCast(b >= a))) });
const a = @as(u32, @bitCast(self.stack.pop().?.i32));
const b = @as(u32, @bitCast(self.stack.pop().?.i32));
try self.stack.append(Value{ .i32 = @intFromBool(b >= a) });
},
.i64_eqz => {
const val = self.stack.pop().?.i64;
try self.stack.append(Value{ .i64 = @intFromBool(val == 0) });
},
.i64_eq => @panic("UNIMPLEMENTED"),
.i64_ne => @panic("UNIMPLEMENTED"),
.i64_lt_s => @panic("UNIMPLEMENTED"),
.i64_lt_u => {
const a = @as(u64, @intCast(self.stack.pop().?.i64));
const b = @as(u64, @intCast(self.stack.pop().?.i64));
try self.stack.append(Value{ .i64 = @intCast(@as(u1, @bitCast(b < a))) });
.i64_eq => {
const a = self.stack.pop().?.i64;
const b = self.stack.pop().?.i64;
try self.stack.append(Value{ .i64 = @intFromBool(a == b) });
},
.i64_ne => {
const a = self.stack.pop().?.i64;
const b = self.stack.pop().?.i64;
try self.stack.append(Value{ .i64 = @intFromBool(a != b) });
},
.i64_lt_s => {
const a = self.stack.pop().?.i64;
const b = self.stack.pop().?.i64;
try self.stack.append(Value{ .i64 = @intFromBool(b < a) });
},
.i64_lt_u => {
const a = @as(u64, @bitCast(self.stack.pop().?.i64));
const b = @as(u64, @bitCast(self.stack.pop().?.i64));
try self.stack.append(Value{ .i64 = @intFromBool(b < a) });
},
.i64_gt_s => {
const a = self.stack.pop().?.i64;
const b = self.stack.pop().?.i64;
try self.stack.append(Value{ .i64 = @intFromBool(b > a) });
},
.i64_gt_u => {
const a = @as(u64, @bitCast(self.stack.pop().?.i64));
const b = @as(u64, @bitCast(self.stack.pop().?.i64));
try self.stack.append(Value{ .i64 = @intFromBool(b > a) });
},
.i64_le_s => {
const a = self.stack.pop().?.i64;
const b = self.stack.pop().?.i64;
try self.stack.append(Value{ .i64 = @intFromBool(b <= a) });
},
.i64_le_u => {
const a = @as(u64, @bitCast(self.stack.pop().?.i64));
const b = @as(u64, @bitCast(self.stack.pop().?.i64));
try self.stack.append(Value{ .i64 = @intFromBool(b <= a) });
},
.i64_ge_s => {
const a = self.stack.pop().?.i64;
const b = self.stack.pop().?.i64;
try self.stack.append(Value{ .i64 = @intFromBool(b >= a) });
},
.i64_ge_u => {
const a = @as(u64, @bitCast(self.stack.pop().?.i64));
const b = @as(u64, @bitCast(self.stack.pop().?.i64));
try self.stack.append(Value{ .i64 = @intFromBool(b >= a) });
},
.i64_gt_s => @panic("UNIMPLEMENTED"),
.i64_gt_u => @panic("UNIMPLEMENTED"),
.i64_le_s => @panic("UNIMPLEMENTED"),
.i64_le_u => @panic("UNIMPLEMENTED"),
.i64_ge_s => @panic("UNIMPLEMENTED"),
.i64_ge_u => @panic("UNIMPLEMENTED"),
.f32_eq => @panic("UNIMPLEMENTED"),
.f32_ne => @panic("UNIMPLEMENTED"),