From 71ac82ecb028605545b67eaa50b34f4e2494de44 Mon Sep 17 00:00:00 2001
From: Robin Voetter <robin@voetter.nl>
Date: Tue, 19 Jan 2021 01:29:01 +0100
Subject: SPIR-V: Make emitting binary more efficient

---
 src/codegen/spirv.zig | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/codegen/spirv.zig')

diff --git a/src/codegen/spirv.zig b/src/codegen/spirv.zig
index f0ebd49e1d..7e41913625 100644
--- 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);
+    }
 };
-- 
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