[Flint] adding multiple registers/blocks support

2026-09-05 14:04:05 +02:00
parent 481a35f9fd
commit b2f5fce3a0
17 changed files with 1423 additions and 138 deletions
@@ -53,7 +53,7 @@ fn validateInstruction(inst: instruction.Instruction) Error!void {
    if (inst.predicate) |predicate|
        try validateFlag(predicate.flag);
    switch (inst.operation) {
-        .load_global_invocation_id => |op| try validateDestination(op.destination),
+        .load_global_invocation_id, .load_num_workgroups => |op| try validateDestination(op.destination),
        .load_buffer => |op| {
            try validateBufferReference(op.buffer);
            try validateDestination(op.destination);
@@ -172,11 +172,21 @@ fn validateEdge(edge: instruction.Edge) Error!void {
 fn validateFlag(flag: operand.FlagRef) Error!void {
    switch (flag) {
        .virtual => {},
-        .physical => |physical| if (physical.register != 0 or physical.subregister > 1)
+        .physical => |physical| if (physical.register > 1 or physical.subregister > 1)
            return Error.InvalidPhysicalFlag,
    }
 }

+test "[gen9] validator: accept all four flag halves and reject out of range flags" {
+    for (0..2) |register| {
+        for (0..2) |subregister| {
+            try validateFlag(.{ .physical = .{ .register = @intCast(register), .subregister = @intCast(subregister) } });
+        }
+    }
+    try std.testing.expectError(Error.InvalidPhysicalFlag, validateFlag(.{ .physical = .{ .register = 2 } }));
+    try std.testing.expectError(Error.InvalidPhysicalFlag, validateFlag(.{ .physical = .{ .register = 1, .subregister = 2 } }));
+}
+
 fn validatePayload(program: *const program_ir.Program) Error!void {
    if (program.payload.header_grf) |header| {
        if (header.number != 0 or header.byte_offset != 0)