SPIR-V: Make emitting binary more efficient

2021-01-19 01:29:01 +01:00
parent 02c138fe70
commit 71ac82ecb0
2 changed files with 66 additions and 19 deletions
--- a/src/codegen/spirv.zig
+++ b/src/codegen/spirv.zig
@@ -19,4 +19,10 @@ pub const SPIRVModule = struct {
    pub fn genDecl(self: SPIRVModule, id: u32, code: *std.ArrayList(u32), decl: *Decl) !void {

    }
+
+    pub fn writeInstruction(code: *std.ArrayList(u32), instr: spec.Opcode, args: []const u32) !void {
+        const word_count = @intCast(u32, args.len + 1);
+        try code.append((word_count << 16) | @enumToInt(instr));
+        try code.appendSlice(args);
+    }
 };