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spirv: emit OpNot for arithmetic not

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Robin Voetter 2023-09-17 14:19:18 +02:00 committed by Andrew Kelley
parent 5141b4e05c
commit c7c0517ac0
1 changed files with 24 additions and 6 deletions
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30
src/codegen/spirv.zig
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@ -2403,13 +2403,31 @@ pub const DeclGen = struct {
if (self.liveness.isUnused(inst)) return null;
const ty_op = self.air.instructions.items(.data)[inst].ty_op;
const operand_id = try self.resolve(ty_op.operand);
const result_ty = self.typeOfIndex(inst);
const result_ty_id = try self.resolveTypeId(result_ty);
const info = try self.arithmeticTypeInfo(result_ty);
const result_id = self.spv.allocId();
const result_type_id = try self.resolveTypeId(Type.bool);
try self.func.body.emit(self.spv.gpa, .OpLogicalNot, .{
.id_result_type = result_type_id,
.id_result = result_id,
.operand = operand_id,
});
switch (info.class) {
.bool => {
try self.func.body.emit(self.spv.gpa, .OpLogicalNot, .{
.id_result_type = result_ty_id,
.id_result = result_id,
.operand = operand_id,
});
},
.float => unreachable,
.composite_integer => unreachable, // TODO
.strange_integer, .integer => {
// Note: strange integer bits will be masked before operations that do not hold under modulo.
try self.func.body.emit(self.spv.gpa, .OpNot, .{
.id_result_type = result_ty_id,
.id_result = result_id,
.operand = operand_id,
});
},
}
return result_id;
}