Commit 98cf81d51c

Alex Rønne Petersen <alex@alexrp.com>
2025-06-05 14:35:45
test: Expand target coverage for C ABI tests.
1 parent adc4418
Changed files (3)
test/c_abi/cfuncs.c
@@ -37,6 +37,10 @@ static void assert_or_panic(bool ok) {
 #  define ZIG_NO_I128
 #endif
 
+#ifdef __hexagon__
+#  define ZIG_NO_I128
+#endif
+
 #ifdef __mips__
 #  define ZIG_NO_I128
 #endif
@@ -77,6 +81,14 @@ static void assert_or_panic(bool ok) {
 #define ZIG_NO_RAW_F16
 #endif
 
+#ifdef __hexagon__
+#define ZIG_NO_RAW_F16
+#endif
+
+#ifdef __loongarch__
+#define ZIG_NO_RAW_F16
+#endif
+
 #ifdef __mips__
 #define ZIG_NO_RAW_F16
 #endif
@@ -85,6 +97,10 @@ static void assert_or_panic(bool ok) {
 #define ZIG_NO_RAW_F16
 #endif
 
+#ifdef __s390x__
+#define ZIG_NO_RAW_F16
+#endif
+
 #ifdef __wasm__
 #define ZIG_NO_RAW_F16
 #endif
@@ -101,6 +117,14 @@ static void assert_or_panic(bool ok) {
 #define ZIG_NO_F128
 #endif
 
+#ifdef __hexagon__
+#define ZIG_NO_F128
+#endif
+
+#ifdef __loongarch__
+#define ZIG_NO_F128
+#endif
+
 #ifdef __mips__
 #define ZIG_NO_F128
 #endif
@@ -113,6 +137,10 @@ static void assert_or_panic(bool ok) {
 #define ZIG_NO_F128
 #endif
 
+#ifdef __s390x__
+#define ZIG_NO_F128
+#endif
+
 #ifdef __APPLE__
 #define ZIG_NO_F128
 #endif
@@ -2713,18 +2741,24 @@ void run_c_tests(void) {
     }
 
 #if !defined(ZIG_RISCV64)
+#if !defined(__mips64__)
     {
         struct Struct_f32 s = zig_ret_struct_f32();
         assert_or_panic(s.a == 2.5f);
         zig_struct_f32((struct Struct_f32){ 2.5f });
     }
+#endif
 
+#if !(defined(__arm__) && defined(__SOFTFP__))
+#if !defined(ZIG_RISCV32)
     {
         struct Struct_f64 s = zig_ret_struct_f64();
         assert_or_panic(s.a == 2.5);
         zig_struct_f64((struct Struct_f64){ 2.5 });
     }
+#endif
 
+#if !defined(__loongarch__) && !defined(__mips64__)
     {
         struct Struct_f32f32_f32 s = zig_ret_struct_f32f32_f32();
         assert_or_panic(s.a.b == 1.0f);
@@ -2741,8 +2775,10 @@ void run_c_tests(void) {
         zig_struct_f32_f32f32((struct Struct_f32_f32f32){ 1.0f, { 2.0f, 3.0f } });
     }
 #endif
+#endif
+#endif
 
-#if !defined(__powerpc__)
+#if !defined(__powerpc__) && !defined(__loongarch__) && !defined(__mips64__)
     {
         struct Struct_u32_Union_u32_u32u32 s = zig_ret_struct_u32_union_u32_u32u32();
         assert_or_panic(s.a == 1);
@@ -2750,20 +2786,24 @@ void run_c_tests(void) {
         assert_or_panic(s.b.c.e == 3);
         zig_struct_u32_union_u32_u32u32(s);
     }
+
     {
         struct Struct_i32_i32 s = {1, 2};
         zig_struct_i32_i32(s);
     }
 #endif
 
+#if !defined(__powerpc64__) && !defined(__loongarch__) && !defined(__mips64__)
     {
         struct BigStruct s = {1, 2, 3, 4, 5};
         zig_big_struct(s);
     }
 #endif
+#endif
 
 #if !defined __i386__ && !defined __arm__ && !defined __aarch64__ && \
-    !defined __powerpc__ && !defined ZIG_RISCV64
+    !defined __powerpc__ && !defined ZIG_RISCV64 && !defined(__loongarch__) && \
+    !defined(__mips64__)
     {
         struct SmallStructInts s = {1, 2, 3, 4};
         zig_small_struct_ints(s);
@@ -2771,7 +2811,8 @@ void run_c_tests(void) {
 #endif
 
 #if !defined __arm__ && !defined __aarch64__ && \
-    !defined __powerpc__ && !defined ZIG_RISCV64
+    !defined __powerpc__ && !defined ZIG_RISCV64 && !defined(__loongarch__) && \
+    !defined(__mips64__)
     {
         struct MedStructInts s = {1, 2, 3};
         zig_med_struct_ints(s);
@@ -2797,14 +2838,16 @@ void run_c_tests(void) {
     }
 
 #if !defined __i386__ && !defined __arm__ && \
-    !defined ZIG_PPC32 && !defined _ARCH_PPC64
+    !defined ZIG_PPC32 && !defined _ARCH_PPC64 && !defined(__loongarch__) && \
+    !defined(__mips64__)
     {
         struct SplitStructInts s = {1234, 100, 1337};
         zig_split_struct_ints(s);
     }
 #endif
 
-#if !defined __arm__ && !defined ZIG_PPC32 && !defined _ARCH_PPC64
+#if !defined __arm__ && !defined ZIG_PPC32 && !defined _ARCH_PPC64 && !defined(__loongarch__) && \
+    !defined(__mips64__)
     {
         struct MedStructMixed s = {1234, 100.0f, 1337.0f};
         zig_med_struct_mixed(s);
@@ -2812,14 +2855,15 @@ void run_c_tests(void) {
 #endif
 
 #if !defined __i386__ && !defined __arm__ && \
-    !defined ZIG_PPC32 && !defined _ARCH_PPC64
+    !defined ZIG_PPC32 && !defined _ARCH_PPC64 && !defined(__loongarch__) && \
+    !defined(__mips64__)
     {
         struct SplitStructMixed s = {1234, 100, 1337.0f};
         zig_split_struct_mixed(s);
     }
 #endif
 
-#if !defined ZIG_PPC32
+#if !defined(__powerpc__) && !defined(__loongarch__) && !defined(__mips64__)
     {
         struct BigStruct s = {30, 31, 32, 33, 34};
         struct BigStruct res = zig_big_struct_both(s);
@@ -2831,7 +2875,7 @@ void run_c_tests(void) {
     }
 #endif
 
-#if !defined ZIG_PPC32 && !defined _ARCH_PPC64
+#if !defined ZIG_PPC32 && !defined _ARCH_PPC64 && !defined(__loongarch__) && !defined(__mips64__)
     {
         struct Rect r1 = {1, 21, 16, 4};
         struct Rect r2 = {178, 189, 21, 15};
@@ -2839,7 +2883,7 @@ void run_c_tests(void) {
     }
 #endif
 
-#if !defined ZIG_PPC32
+#if !defined ZIG_PPC32 && !defined(__loongarch__) && !defined(__mips64__)
     {
         struct FloatRect r1 = {1, 21, 16, 4};
         struct FloatRect r2 = {178, 189, 21, 15};
test/c_abi/main.zig
@@ -11,7 +11,7 @@ const print = std.debug.print;
 const expect = std.testing.expect;
 const expectEqual = std.testing.expectEqual;
 const have_i128 = builtin.cpu.arch != .x86 and !builtin.cpu.arch.isArm() and
-    !builtin.cpu.arch.isMIPS() and !builtin.cpu.arch.isPowerPC32();
+    !builtin.cpu.arch.isMIPS() and !builtin.cpu.arch.isPowerPC32() and builtin.cpu.arch != .riscv32;
 
 const have_f128 = builtin.cpu.arch.isWasm() or (builtin.cpu.arch.isX86() and !builtin.os.tag.isDarwin());
 const have_f80 = builtin.cpu.arch.isX86();
@@ -49,6 +49,8 @@ export fn zig_five_integers(a: i32, b: i32, c: i32, d: i32, e: i32) void {
 }
 
 test "C ABI integers" {
+    if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
+
     c_u8(0xff);
     c_u16(0xfffe);
     c_u32(0xfffffffd);
@@ -383,6 +385,8 @@ extern fn c_struct_f64(Struct_f64) void;
 test "C ABI struct f64" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isArm() and builtin.abi.float() == .soft) return error.SkipZigTest;
+    if (builtin.cpu.arch == .riscv32) return error.SkipZigTest;
 
     const s = c_ret_struct_f64();
     try expect(s.a == 2.5);
@@ -411,6 +415,8 @@ extern fn c_struct_f32f32_f32(Struct_f32f32_f32) void;
 test "C ABI struct {f32,f32} f32" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isArm() and builtin.abi.float() == .soft) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const s = c_ret_struct_f32f32_f32();
     try expect(s.a.b == 1.0);
@@ -441,6 +447,8 @@ extern fn c_struct_f32_f32f32(Struct_f32_f32f32) void;
 test "C ABI struct f32 {f32,f32}" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isArm() and builtin.abi.float() == .soft) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const s = c_ret_struct_f32_f32f32();
     try expect(s.a == 1.0);
@@ -476,6 +484,7 @@ extern fn c_struct_u32_union_u32_u32u32(Struct_u32_Union_u32_u32u32) void;
 test "C ABI struct{u32,union{u32,struct{u32,u32}}}" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const s = c_ret_struct_u32_union_u32_u32u32();
     try expect(s.a == 1);
@@ -494,6 +503,8 @@ extern fn c_struct_i32_i32(Struct_i32_i32) void;
 test "C ABI struct i32 i32" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch == .riscv32) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const s: Struct_i32_i32 = .{
         .a = 1,
@@ -523,7 +534,8 @@ extern fn c_big_struct(BigStruct) void;
 
 test "C ABI big struct" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
-    if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const s = BigStruct{
         .a = 1,
@@ -550,6 +562,7 @@ extern fn c_big_union(BigUnion) void;
 
 test "C ABI big union" {
     if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const x = BigUnion{
         .a = BigStruct{
@@ -583,6 +596,7 @@ extern fn c_ret_med_struct_mixed() MedStructMixed;
 test "C ABI medium struct of ints and floats" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const s = MedStructMixed{
         .a = 1234,
@@ -615,6 +629,8 @@ test "C ABI small struct of ints" {
     if (builtin.cpu.arch == .x86) return error.SkipZigTest;
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch == .aarch64_be) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const s = SmallStructInts{
         .a = 1,
@@ -648,6 +664,7 @@ extern fn c_ret_med_struct_ints() MedStructInts;
 test "C ABI medium struct of ints" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const s = MedStructInts{
         .x = 1,
@@ -726,6 +743,7 @@ test "C ABI split struct of ints" {
     if (builtin.cpu.arch == .x86) return error.SkipZigTest;
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const s = SplitStructInt{
         .a = 1234,
@@ -753,6 +771,7 @@ test "C ABI split struct of ints and floats" {
     if (builtin.cpu.arch == .x86) return error.SkipZigTest;
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const s = SplitStructMixed{
         .a = 1234,
@@ -779,7 +798,8 @@ extern fn c_multiple_struct_floats(FloatRect, FloatRect) void;
 
 test "C ABI sret and byval together" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
-    if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const s = BigStruct{
         .a = 1,
@@ -832,6 +852,7 @@ extern fn c_big_struct_floats(Vector5) void;
 test "C ABI structs of floats as parameter" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const v3 = Vector3{
         .x = 3.0,
@@ -871,6 +892,8 @@ export fn zig_multiple_struct_ints(x: Rect, y: Rect) void {
 
 test "C ABI structs of ints as multiple parameters" {
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
 
     const r1 = Rect{
         .left = 1,
@@ -908,6 +931,7 @@ export fn zig_multiple_struct_floats(x: FloatRect, y: FloatRect) void {
 test "C ABI structs of floats as multiple parameters" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const r1 = FloatRect{
         .left = 1,
@@ -1021,6 +1045,7 @@ test "Struct with array as padding." {
     if (builtin.cpu.arch == .x86) return error.SkipZigTest;
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     c_struct_with_array(.{ .a = 1, .padding = undefined, .b = 2 });
 
@@ -1046,6 +1071,7 @@ extern fn c_ret_float_array_struct() FloatArrayStruct;
 test "Float array like struct" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     c_float_array_struct(.{
         .origin = .{
@@ -1073,6 +1099,7 @@ extern fn c_ret_small_vec() SmallVec;
 test "small simd vector" {
     if (builtin.cpu.arch == .x86) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC64()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     c_small_vec(.{ 1, 2 });
 
@@ -1134,7 +1161,8 @@ extern fn c_ret_vector_2_float() Vector2Float;
 extern fn c_ret_vector_4_float() Vector4Float;
 
 test "float simd vectors" {
-    if (builtin.cpu.arch == .powerpc or builtin.cpu.arch == .powerpc64le) return error.SkipZigTest;
+    if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     {
         c_vector_2_float(.{ 1.0, 2.0 });
@@ -5419,6 +5447,7 @@ test "C ABI pointer sized float struct" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isRISCV()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isArm() and builtin.abi.float() == .soft) return error.SkipZigTest;
 
     c_ptr_size_float_struct(.{ .x = 1, .y = 2 });
 
@@ -5441,24 +5470,28 @@ test "DC: Zig passes to C" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isRISCV()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
     try expectOk(c_assert_DC(.{ .v1 = -0.25, .v2 = 15 }));
 }
 test "DC: Zig returns to C" {
-    if (builtin.cpu.arch.isMIPS64() and builtin.mode != .Debug) return error.SkipZigTest;
+    if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isRISCV()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
     try expectOk(c_assert_ret_DC());
 }
 test "DC: C passes to Zig" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isRISCV()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
     try expectOk(c_send_DC());
 }
 test "DC: C returns to Zig" {
-    if (builtin.cpu.arch.isMIPS64() and builtin.mode != .Debug) return error.SkipZigTest;
+    if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isRISCV()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
     try expectEqual(DC{ .v1 = -0.25, .v2 = 15 }, c_ret_DC());
 }
 
@@ -5484,11 +5517,13 @@ test "CFF: Zig passes to C" {
     if (builtin.target.cpu.arch == .x86) return error.SkipZigTest;
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
     try expectOk(c_assert_CFF(.{ .v1 = 39, .v2 = 0.875, .v3 = 1.0 }));
 }
 test "CFF: Zig returns to C" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
     try expectOk(c_assert_ret_CFF());
 }
 test "CFF: C passes to Zig" {
@@ -5497,6 +5532,7 @@ test "CFF: C passes to Zig" {
     if (builtin.cpu.arch == .aarch64 and builtin.mode != .Debug) return error.SkipZigTest;
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     try expectOk(c_send_CFF());
 }
@@ -5505,6 +5541,7 @@ test "CFF: C returns to Zig" {
     if (builtin.cpu.arch.isRISCV() and builtin.mode != .Debug) return error.SkipZigTest;
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
     try expectEqual(CFF{ .v1 = 39, .v2 = 0.875, .v3 = 1.0 }, c_ret_CFF());
 }
 pub extern fn c_assert_CFF(lv: CFF) c_int;
@@ -5529,21 +5566,25 @@ const PD = extern struct { v1: ?*anyopaque, v2: f64 };
 test "PD: Zig passes to C" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
     try expectOk(c_assert_PD(.{ .v1 = null, .v2 = 0.5 }));
 }
 test "PD: Zig returns to C" {
-    if (builtin.cpu.arch.isMIPS64() and builtin.mode != .Debug) return error.SkipZigTest;
+    if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
     try expectOk(c_assert_ret_PD());
 }
 test "PD: C passes to Zig" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
     try expectOk(c_send_PD());
 }
 test "PD: C returns to Zig" {
-    if (builtin.cpu.arch.isMIPS64() and builtin.mode != .Debug) return error.SkipZigTest;
+    if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
     try expectEqual(PD{ .v1 = null, .v2 = 0.5 }, c_ret_PD());
 }
 pub extern fn c_assert_PD(lv: PD) c_int;
@@ -5576,6 +5617,7 @@ extern fn c_modify_by_ref_param(ByRef) ByRef;
 
 test "C function modifies by ref param" {
     if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const res = c_modify_by_ref_param(.{ .val = 1, .arr = undefined });
     try expect(res.val == 42);
@@ -5596,8 +5638,9 @@ const ByVal = extern struct {
 
 extern fn c_func_ptr_byval(*anyopaque, *anyopaque, ByVal, c_ulong, *anyopaque, c_ulong) void;
 test "C function that takes byval struct called via function pointer" {
-    if (builtin.cpu.arch.isMIPS64() and builtin.mode != .Debug) return error.SkipZigTest;
+    if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     var fn_ptr = &c_func_ptr_byval;
     _ = &fn_ptr;
@@ -5736,6 +5779,8 @@ extern fn stdcall_coord2(Coord2, Coord2, Coord2) callconv(stdcall_callconv) Coor
 test "Stdcall ABI structs" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC()) return error.SkipZigTest;
+    if (builtin.cpu.arch == .aarch64_be) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const res = stdcall_coord2(
         .{ .x = 0x1111, .y = 0x2222 },
@@ -5749,6 +5794,7 @@ test "Stdcall ABI structs" {
 extern fn stdcall_big_union(BigUnion) callconv(stdcall_callconv) void;
 test "Stdcall ABI big union" {
     if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     const x = BigUnion{
         .a = BigStruct{
@@ -5821,6 +5867,7 @@ const byval_tail_callsite_attr = struct {
 test "byval tail callsite attribute" {
     if (builtin.cpu.arch.isMIPS64()) return error.SkipZigTest;
     if (builtin.cpu.arch.isPowerPC32()) return error.SkipZigTest;
+    if (builtin.cpu.arch.isLoongArch()) return error.SkipZigTest;
 
     // Originally reported at https://github.com/ziglang/zig/issues/16290
     // the bug was that the extern function had the byval attribute, but
test/tests.zig
@@ -1597,137 +1597,319 @@ const CAbiTarget = struct {
     c_defines: []const []const u8 = &.{},
 };
 
-const c_abi_targets = [_]CAbiTarget{
-    // Native Targets
+const c_abi_targets = blk: {
+    @setEvalBranchQuota(20000);
+    break :blk [_]CAbiTarget{
+        // Native Targets
 
-    .{},
+        .{},
 
-    // Linux Targets
+        // Linux Targets
 
-    .{
-        .target = .{
-            .cpu_arch = .aarch64,
-            .os_tag = .linux,
-            .abi = .musl,
+        .{
+            .target = .{
+                .cpu_arch = .aarch64,
+                .os_tag = .linux,
+                .abi = .musl,
+            },
         },
-    },
 
-    .{
-        .target = .{
-            .cpu_arch = .arm,
-            .os_tag = .linux,
-            .abi = .musleabihf,
+        .{
+            .target = .{
+                .cpu_arch = .aarch64_be,
+                .os_tag = .linux,
+                .abi = .musl,
+            },
         },
-    },
 
-    .{
-        .target = .{
-            .cpu_arch = .mips,
-            .os_tag = .linux,
-            .abi = .musleabihf,
+        .{
+            .target = .{
+                .cpu_arch = .arm,
+                .os_tag = .linux,
+                .abi = .musleabi,
+            },
+        },
+        .{
+            .target = .{
+                .cpu_arch = .arm,
+                .os_tag = .linux,
+                .abi = .musleabihf,
+            },
         },
-    },
 
-    .{
-        .target = .{
-            .cpu_arch = .powerpc,
-            .os_tag = .linux,
-            .abi = .musleabihf,
+        .{
+            .target = .{
+                .cpu_arch = .armeb,
+                .os_tag = .linux,
+                .abi = .musleabi,
+            },
+        },
+        .{
+            .target = .{
+                .cpu_arch = .armeb,
+                .os_tag = .linux,
+                .abi = .musleabihf,
+            },
         },
-    },
 
-    .{
-        .target = .{
-            .cpu_arch = .powerpc64le,
-            .os_tag = .linux,
-            .abi = .musl,
+        // Crashes in LLVM instruction selection.
+        // .{
+        //     .target = .{
+        //         .cpu_arch = .hexagon,
+        //         .os_tag = .linux,
+        //         .abi = .musl,
+        //     },
+        // },
+
+        .{
+            .target = .{
+                .cpu_arch = .loongarch64,
+                .os_tag = .linux,
+                .abi = .musl,
+            },
         },
-    },
 
-    .{
-        .target = .{
-            .cpu_arch = .riscv64,
-            .os_tag = .linux,
-            .abi = .musl,
+        .{
+            .target = .{
+                .cpu_arch = .mips,
+                .os_tag = .linux,
+                .abi = .musleabi,
+            },
+        },
+        .{
+            .target = .{
+                .cpu_arch = .mips,
+                .os_tag = .linux,
+                .abi = .musleabihf,
+            },
         },
-    },
 
-    .{
-        .target = .{
-            .cpu_arch = .x86,
-            .os_tag = .linux,
-            .abi = .musl,
+        .{
+            .target = .{
+                .cpu_arch = .mipsel,
+                .os_tag = .linux,
+                .abi = .musleabi,
+            },
+        },
+        .{
+            .target = .{
+                .cpu_arch = .mipsel,
+                .os_tag = .linux,
+                .abi = .musleabihf,
+            },
         },
-    },
 
-    .{
-        .target = .{
-            .cpu_arch = .x86_64,
-            .os_tag = .linux,
-            .abi = .musl,
-        },
-        .use_llvm = false,
-        .use_lld = false,
-        .c_defines = &.{"ZIG_BACKEND_STAGE2_X86_64"},
-    },
-    .{
-        .target = .{
-            .cpu_arch = .x86_64,
-            .cpu_model = .{ .explicit = &std.Target.x86.cpu.x86_64_v2 },
-            .os_tag = .linux,
-            .abi = .musl,
-        },
-        .use_llvm = false,
-        .use_lld = false,
-        .strip = true,
-        .c_defines = &.{"ZIG_BACKEND_STAGE2_X86_64"},
-    },
-    .{
-        .target = .{
-            .cpu_arch = .x86_64,
-            .cpu_model = .{ .explicit = &std.Target.x86.cpu.x86_64_v3 },
-            .os_tag = .linux,
-            .abi = .musl,
+        .{
+            .target = .{
+                .cpu_arch = .mips64,
+                .os_tag = .linux,
+                .abi = .muslabi64,
+            },
         },
-        .use_llvm = false,
-        .use_lld = false,
-        .pic = true,
-        .c_defines = &.{"ZIG_BACKEND_STAGE2_X86_64"},
-    },
-    .{
-        .target = .{
-            .cpu_arch = .x86_64,
-            .os_tag = .linux,
-            .abi = .musl,
+        .{
+            .target = .{
+                .cpu_arch = .mips64,
+                .os_tag = .linux,
+                .abi = .muslabin32,
+            },
+        },
+
+        .{
+            .target = .{
+                .cpu_arch = .mips64el,
+                .os_tag = .linux,
+                .abi = .muslabi64,
+            },
+        },
+        .{
+            .target = .{
+                .cpu_arch = .mips64el,
+                .os_tag = .linux,
+                .abi = .muslabin32,
+            },
+        },
+
+        .{
+            .target = .{
+                .cpu_arch = .powerpc,
+                .os_tag = .linux,
+                .abi = .musleabi,
+            },
+        },
+        .{
+            .target = .{
+                .cpu_arch = .powerpc,
+                .os_tag = .linux,
+                .abi = .musleabihf,
+            },
+        },
+
+        .{
+            .target = .{
+                .cpu_arch = .powerpc64,
+                .os_tag = .linux,
+                .abi = .musl,
+            },
+        },
+        .{
+            .target = .{
+                .cpu_arch = .powerpc64le,
+                .os_tag = .linux,
+                .abi = .musl,
+            },
         },
-    },
 
-    // WASI Targets
+        .{
+            .target = std.Target.Query.parse(.{
+                .arch_os_abi = "riscv32-linux-musl",
+                .cpu_features = "baseline-d-f",
+            }) catch unreachable,
+        },
+        .{
+            .target = .{
+                .cpu_arch = .riscv32,
+                .os_tag = .linux,
+                .abi = .musl,
+            },
+        },
 
-    .{
-        .target = .{
-            .cpu_arch = .wasm32,
-            .os_tag = .wasi,
-            .abi = .musl,
+        .{
+            .target = std.Target.Query.parse(.{
+                .arch_os_abi = "riscv64-linux-musl",
+                .cpu_features = "baseline-d-f",
+            }) catch unreachable,
+        },
+        .{
+            .target = .{
+                .cpu_arch = .riscv64,
+                .os_tag = .linux,
+                .abi = .musl,
+            },
         },
-    },
 
-    // Windows Targets
+        // Clang explodes when parsing `cfuncs.c`.
+        // .{
+        //     .target = .{
+        //         .cpu_arch = .s390x,
+        //         .os_tag = .linux,
+        //         .abi = .musl,
+        //     },
+        // },
+
+        .{
+            .target = std.Target.Query.parse(.{
+                .arch_os_abi = "thumb-linux-musleabi",
+                .cpu_features = "baseline+long_calls",
+            }) catch unreachable,
+            .pic = false, // Long calls don't work with PIC.
+        },
+        .{
+            .target = std.Target.Query.parse(.{
+                .arch_os_abi = "thumb-linux-musleabihf",
+                .cpu_features = "baseline+long_calls",
+            }) catch unreachable,
+            .pic = false, // Long calls don't work with PIC.
+        },
 
-    .{
-        .target = .{
-            .cpu_arch = .x86,
-            .os_tag = .windows,
-            .abi = .gnu,
+        .{
+            .target = std.Target.Query.parse(.{
+                .arch_os_abi = "thumbeb-linux-musleabi",
+                .cpu_features = "baseline+long_calls",
+            }) catch unreachable,
+            .pic = false, // Long calls don't work with PIC.
         },
-    },
-    .{
-        .target = .{
-            .cpu_arch = .x86_64,
-            .os_tag = .windows,
-            .abi = .gnu,
+        .{
+            .target = std.Target.Query.parse(.{
+                .arch_os_abi = "thumbeb-linux-musleabihf",
+                .cpu_features = "baseline+long_calls",
+            }) catch unreachable,
+            .pic = false, // Long calls don't work with PIC.
+        },
+
+        .{
+            .target = .{
+                .cpu_arch = .x86,
+                .os_tag = .linux,
+                .abi = .musl,
+            },
         },
-    },
+
+        .{
+            .target = .{
+                .cpu_arch = .x86_64,
+                .os_tag = .linux,
+                .abi = .musl,
+            },
+            .use_llvm = false,
+            .use_lld = false,
+            .c_defines = &.{"ZIG_BACKEND_STAGE2_X86_64"},
+        },
+        .{
+            .target = .{
+                .cpu_arch = .x86_64,
+                .cpu_model = .{ .explicit = &std.Target.x86.cpu.x86_64_v2 },
+                .os_tag = .linux,
+                .abi = .musl,
+            },
+            .use_llvm = false,
+            .use_lld = false,
+            .strip = true,
+            .c_defines = &.{"ZIG_BACKEND_STAGE2_X86_64"},
+        },
+        .{
+            .target = .{
+                .cpu_arch = .x86_64,
+                .cpu_model = .{ .explicit = &std.Target.x86.cpu.x86_64_v3 },
+                .os_tag = .linux,
+                .abi = .musl,
+            },
+            .use_llvm = false,
+            .use_lld = false,
+            .pic = true,
+            .c_defines = &.{"ZIG_BACKEND_STAGE2_X86_64"},
+        },
+        .{
+            .target = .{
+                .cpu_arch = .x86_64,
+                .os_tag = .linux,
+                .abi = .musl,
+            },
+        },
+        .{
+            .target = .{
+                .cpu_arch = .x86_64,
+                .os_tag = .linux,
+                .abi = .muslx32,
+            },
+        },
+
+        // WASI Targets
+
+        .{
+            .target = .{
+                .cpu_arch = .wasm32,
+                .os_tag = .wasi,
+                .abi = .musl,
+            },
+        },
+
+        // Windows Targets
+
+        .{
+            .target = .{
+                .cpu_arch = .x86,
+                .os_tag = .windows,
+                .abi = .gnu,
+            },
+        },
+        .{
+            .target = .{
+                .cpu_arch = .x86_64,
+                .os_tag = .windows,
+                .abi = .gnu,
+            },
+        },
+    };
 };
 
 pub fn addCompareOutputTests(