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Added parsing of and

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This commit is contained in:
luccie-cmd 2025-03-30 14:56:17 +02:00
parent 237ead3921
commit 916115c7cd
1 changed files with 11 additions and 2 deletions
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13
src/mods/ir.zig
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@ -35,6 +35,7 @@ const Index = packed union {
f64: f64,
indirect: DIndex,
reftype: std.wasm.RefType,
valtype: std.wasm.Valtype,
memarg: Memarg,
vector: VectorIndex,
};
@ -634,7 +635,7 @@ const IRParserState = struct {
0xD0 => self.push(@enumFromInt(b), .{ .reftype = try self.parser.parseReftype() }),
0xD1 => self.push(@enumFromInt(b), .{ .u64 = 0 }),
0xD2 => self.push(@enumFromInt(b), .{ .u32 = try self.parser.readU32() }),
0x1A...0x1C => @panic("UNIMPLEMENTED"),
0x1A...0x1C => self.parseParametric(b),
0x20...0x24 => self.push(@enumFromInt(b), .{ .u32 = try self.parser.readU32() }),
0x25...0x26 => self.push(@enumFromInt(b), .{ .u32 = try self.parser.readU32() }),
0x28...0x3E => self.push(@enumFromInt(b), .{ .memarg = try self.parseMemarg() }),
@ -758,13 +759,21 @@ const IRParserState = struct {
try self.fix_branches_for_block(start, end, end);
}
fn parseParametric(self: *IRParserState, b: u8) !void {
try switch (b) {
0x1A...0x1B => self.push(@enumFromInt(b), .{ .u64 = 0 }),
0x1C => @panic("UNIMPLEMENTED"),
else => return Parser.Error.invalid_instruction,
};
}
fn fix_branches_for_block(self: *IRParserState, start: u32, end: u32, jump_addr: u32) !void {
var todel: std.ArrayListUnmanaged(u32) = .{};
defer todel.deinit(self.allocator);
var it = self.branches.iterator();
while (it.next()) |branch| {
if (start <= branch.key_ptr.* and branch.key_ptr.* <= end) {
if (start <= branch.key_ptr.* and branch.key_ptr.* < end) {
if (branch.value_ptr.* == 0) {
self.indices.items[branch.key_ptr.*].u32 = jump_addr;
try todel.append(self.allocator, branch.key_ptr.*);