Merge pull request #22430 from alexrp/thumbeb

Some QEMU fixes + disable some tests for `thumbeb` in addition to `armeb`

Author: alexrp

lib/std/fmt.zig

@@ -2596,7 +2596,7 @@ test "positional/alignment/width/precision" {
 }
 
 test "vector" {
-    if (builtin.cpu.arch == .armeb and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/22060
+    if ((builtin.cpu.arch == .armeb or builtin.cpu.arch == .thumbeb) and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/22060
     if (builtin.target.cpu.arch == .riscv64) {
         // https://github.com/ziglang/zig/issues/4486
         return error.SkipZigTest;

lib/std/simd.zig

@@ -462,7 +462,7 @@ pub fn prefixScan(comptime op: std.builtin.ReduceOp, comptime hop: isize, vec: a
 
 test "vector prefix scan" {
     if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
-    if (builtin.cpu.arch == .armeb and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/22060
+    if ((builtin.cpu.arch == .armeb or builtin.cpu.arch == .thumbeb) and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/22060
     if (builtin.cpu.arch == .aarch64_be and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/21893
 
     if (comptime builtin.cpu.arch.isMIPS()) {

lib/std/zig/system.zig

@@ -83,8 +83,8 @@ pub fn getExternalExecutor(
         return switch (candidate.cpu.arch) {
             .aarch64 => Executor{ .qemu = "qemu-aarch64" },
             .aarch64_be => Executor{ .qemu = "qemu-aarch64_be" },
-            .arm => Executor{ .qemu = "qemu-arm" },
-            .armeb => Executor{ .qemu = "qemu-armeb" },
+            .arm, .thumb => Executor{ .qemu = "qemu-arm" },
+            .armeb, .thumbeb => Executor{ .qemu = "qemu-armeb" },
             .hexagon => Executor{ .qemu = "qemu-hexagon" },
             .loongarch64 => Executor{ .qemu = "qemu-loongarch64" },
             .m68k => Executor{ .qemu = "qemu-m68k" },
@@ -116,7 +116,10 @@ pub fn getExternalExecutor(
             },
             .sparc64 => Executor{ .qemu = "qemu-sparc64" },
             .x86 => Executor{ .qemu = "qemu-i386" },
-            .x86_64 => Executor{ .qemu = "qemu-x86_64" },
+            .x86_64 => switch (candidate.abi) {
+                .gnux32, .muslx32 => return bad_result,
+                else => Executor{ .qemu = "qemu-x86_64" },
+            },
             .xtensa => Executor{ .qemu = "qemu-xtensa" },
             else => return bad_result,
         };

test/behavior/align.zig

@@ -347,7 +347,7 @@ test "@alignCast functions" {
 
     // function alignment is a compile error on wasm32/wasm64
     if (native_arch == .wasm32 or native_arch == .wasm64) return error.SkipZigTest;
-    if (native_arch == .thumb) return error.SkipZigTest;
+    if (native_arch == .thumb or native_arch == .thumbeb) return error.SkipZigTest;
 
     try expect(fnExpectsOnly1(simple4) == 0x19);
 }
@@ -512,7 +512,7 @@ test "align(N) on functions" {
 
     // function alignment is a compile error on wasm32/wasm64
     if (native_arch == .wasm32 or native_arch == .wasm64) return error.SkipZigTest;
-    if (native_arch == .thumb) return error.SkipZigTest;
+    if (native_arch == .thumb or native_arch == .thumbeb) return error.SkipZigTest;
 
     try expect((@intFromPtr(&overaligned_fn) & (0x1000 - 1)) == 0);
 }

test/behavior/vector.zig

@@ -640,7 +640,7 @@ test "vector division operators" {
     };
 
     try comptime S.doTheTest();
-    if (builtin.cpu.arch == .armeb and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/22060
+    if ((builtin.cpu.arch == .armeb or builtin.cpu.arch == .thumbeb) and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/22060
     try S.doTheTest();
 }
 
@@ -1100,7 +1100,7 @@ test "@addWithOverflow" {
         }
     };
     try comptime S.doTheTest();
-    if (builtin.cpu.arch == .armeb and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/22060
+    if ((builtin.cpu.arch == .armeb or builtin.cpu.arch == .thumbeb) and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/22060
     try S.doTheTest();
 }
 
@@ -1134,7 +1134,7 @@ test "@subWithOverflow" {
         }
     };
     try comptime S.doTheTest();
-    if (builtin.cpu.arch == .armeb and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/22060
+    if ((builtin.cpu.arch == .armeb or builtin.cpu.arch == .thumbeb) and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/22060
     try S.doTheTest();
 }
 
@@ -1158,7 +1158,7 @@ test "@mulWithOverflow" {
         }
     };
     try comptime S.doTheTest();
-    if (builtin.cpu.arch == .armeb and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/22060
+    if ((builtin.cpu.arch == .armeb or builtin.cpu.arch == .thumbeb) and builtin.zig_backend == .stage2_llvm) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/22060
     try S.doTheTest();
 }