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x86_64: implement switch jump tables

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This commit is contained in:
Jacob Young
2025-01-02 03:10:19 -05:00
parent ac1a975f9b
commit e5d5a8bc4e
33 changed files with 476 additions and 199 deletions
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20
test/behavior/align.zig
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@@ -277,8 +277,8 @@ test "function alignment" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
// function alignment is a compile error on wasm32/wasm64
if (native_arch == .wasm32 or native_arch == .wasm64) return error.SkipZigTest;
// function alignment is a compile error on wasm
if (native_arch.isWasm()) return error.SkipZigTest;
const S = struct {
fn alignExpr() align(@sizeOf(usize) * 2) i32 {
@@ -307,8 +307,8 @@ test "implicitly decreasing fn alignment" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
// function alignment is a compile error on wasm32/wasm64
if (native_arch == .wasm32 or native_arch == .wasm64) return error.SkipZigTest;
// function alignment is a compile error on wasm
if (native_arch.isWasm()) return error.SkipZigTest;
try testImplicitlyDecreaseFnAlign(alignedSmall, 1234);
try testImplicitlyDecreaseFnAlign(alignedBig, 5678);
@@ -331,9 +331,9 @@ test "@alignCast functions" {
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
// function alignment is a compile error on wasm32/wasm64
if (native_arch == .wasm32 or native_arch == .wasm64) return error.SkipZigTest;
if (native_arch == .thumb or native_arch == .thumbeb) return error.SkipZigTest;
// function alignment is a compile error on wasm
if (native_arch.isWasm()) return error.SkipZigTest;
if (native_arch.isThumb()) return error.SkipZigTest;
try expect(fnExpectsOnly1(simple4) == 0x19);
}
@@ -496,9 +496,9 @@ test "align(N) on functions" {
return error.SkipZigTest;
}
// function alignment is a compile error on wasm32/wasm64
if (native_arch == .wasm32 or native_arch == .wasm64) return error.SkipZigTest;
if (native_arch == .thumb or native_arch == .thumbeb) return error.SkipZigTest;
// function alignment is a compile error on wasm
if (native_arch.isWasm()) return error.SkipZigTest;
if (native_arch.isThumb()) return error.SkipZigTest;
try expect((@intFromPtr(&overaligned_fn) & (0x1000 - 1)) == 0);
}