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std.Target: Replace isARM() with isArmOrThumb() and rename it to isArm().

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The old isARM() function was a portability trap. With the name it had, it seemed
like the obviously correct function to use, but it didn't include Thumb. In the
vast majority of cases where someone wants to ask "is the target Arm?", Thumb
*should* be included.

There are exactly 3 cases in the codebase where we do actually need to exclude
Thumb, although one of those is in Aro and mirrors a check in Clang that is
itself likely a bug. These rare cases can just add an extra isThumb() check.
This commit is contained in:
Alex Rønne Petersen
2024-10-03 08:34:19 +02:00
parent 4e843b4e2b
commit c9e67e71c1
27 changed files with 65 additions and 72 deletions
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test/behavior/struct.zig
+3 -3
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@@ -419,7 +419,7 @@ test "packed struct 24bits" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.cpu.arch == .wasm32) return error.SkipZigTest; // TODO
if (comptime builtin.cpu.arch.isArmOrThumb()) return error.SkipZigTest; // TODO
if (comptime builtin.cpu.arch.isArm()) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
@@ -818,7 +818,7 @@ test "non-packed struct with u128 entry in union" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_c and comptime builtin.cpu.arch.isArmOrThumb()) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_c and comptime builtin.cpu.arch.isArm()) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;
const U = union(enum) {
@@ -941,7 +941,7 @@ test "tuple assigned to variable" {
test "comptime struct field" {
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (comptime builtin.cpu.arch.isArmOrThumb()) return error.SkipZigTest; // TODO
if (comptime builtin.cpu.arch.isArm()) return error.SkipZigTest; // TODO
const T = struct {
a: i32,