From bb91e601992a664920df0dc0ff62e17283c503be Mon Sep 17 00:00:00 2001
From: veclav talica <veclavtalica@protonmal.com>
Date: Wed, 20 Sep 2023 12:44:50 +0500
Subject: [PATCH] test coverage for integers on stack for sys

---
 src/arch/x86-64/ve-sistema.zig | 26 +++++++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/arch/x86-64/ve-sistema.zig b/src/arch/x86-64/ve-sistema.zig
index 280024b..98a7f63 100644
--- a/src/arch/x86-64/ve-sistema.zig
+++ b/src/arch/x86-64/ve-sistema.zig
@@ -208,14 +208,28 @@ fn addInt6(a: u64, b: u32, c: u16, d: u8, e: u64, f: i32) callconv(.SysV) void {
         @panic("addInt6");
 }
 
+fn addInt7(a: u64, b: u32, c: u16, d: u8, e: u64, f: i32, sa: u32) callconv(.SysV) void {
+    @setAlignStack(16);
+    if ((a + b + c + d + e + @as(u64, @intCast(f)) + sa) != 30)
+        @panic("addInt7");
+}
+
+fn addInt8(a: u64, b: u32, c: u16, d: u8, e: u64, f: i32, sa: u32, sb: u8) callconv(.SysV) void {
+    @setAlignStack(16);
+    if ((a + b + c + d + e + @as(u64, @intCast(f)) + sa + sb) != 40)
+        @panic("addInt8");
+}
+
 const opZov1Int = generateOpZovSysvFromPrototype(addInt1) catch unreachable;
 const opZov2Ints = generateOpZovSysvFromPrototype(addInt2) catch unreachable;
 const opZov3Ints = generateOpZovSysvFromPrototype(addInt3) catch unreachable;
 const opZov4Ints = generateOpZovSysvFromPrototype(addInt4) catch unreachable;
 const opZov5Ints = generateOpZovSysvFromPrototype(addInt5) catch unreachable;
 const opZov6Ints = generateOpZovSysvFromPrototype(addInt6) catch unreachable;
+const opZov7Ints = generateOpZovSysvFromPrototype(addInt7) catch unreachable;
+const opZov8Ints = generateOpZovSysvFromPrototype(addInt8) catch unreachable;
 
-test "integer register passing" {
+test "integer parameter passing" {
     const code = [_]tolmac.Word{
         @as(tolmac.Word, @intFromPtr(&tolmac.opPushWord)),
         1,
@@ -241,6 +255,16 @@ test "integer register passing" {
         4,
         @as(tolmac.Word, @intFromPtr(opZov6Ints)),
         @as(tolmac.Word, @intFromPtr(&addInt6)),
+        @as(tolmac.Word, @intFromPtr(&tolmac.opPushWord)),
+        15,
+        @as(tolmac.Word, @intFromPtr(opZov7Ints)),
+        @as(tolmac.Word, @intFromPtr(&addInt7)),
+        @as(tolmac.Word, @intFromPtr(&tolmac.opPushWord)),
+        10,
+        @as(tolmac.Word, @intFromPtr(opZov8Ints)),
+        @as(tolmac.Word, @intFromPtr(&addInt8)),
+        @as(tolmac.Word, @intFromPtr(&tolmac.opSinkWord)),
+        @as(tolmac.Word, @intFromPtr(&tolmac.opSinkWord)),
         @as(tolmac.Word, @intFromPtr(&tolmac.opSinkWord)),
         @as(tolmac.Word, @intFromPtr(&tolmac.opSinkWord)),
         @as(tolmac.Word, @intFromPtr(&tolmac.opSinkWord)),