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More precise alignCast (allow for 32-bit targets)

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Brian Carroll 2021-12-13 16:09:55 +00:00
parent 457041a314
commit 3c74acafa4
4 changed files with 7 additions and 7 deletions
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6
compiler/builtins/bitcode/src/str.zig
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@ -246,7 +246,7 @@ pub const RocStr = extern struct {
} else {
// This is a big string, and it's not empty, so we can safely
// dereference the pointer.
const ptr: [*]usize = @ptrCast([*]usize, @alignCast(8, self.str_bytes));
const ptr: [*]usize = @ptrCast([*]usize, @alignCast(@alignOf(usize), self.str_bytes));
const capacity_or_refcount: isize = (ptr - 1)[0];
// If capacity_or_refcount is positive, then it's a capacity value.
@ -277,7 +277,7 @@ pub const RocStr = extern struct {
// to first change its flag to mark it as a small string!
return longest_small_str;
} else {
const ptr: [*]usize = @ptrCast([*]usize, @alignCast(8, self.str_bytes));
const ptr: [*]usize = @ptrCast([*]usize, @alignCast(@alignOf(usize), self.str_bytes));
const capacity_or_refcount: isize = (ptr - 1)[0];
if (capacity_or_refcount > 0) {
@ -309,7 +309,7 @@ pub const RocStr = extern struct {
}
fn isRefcountOne(self: RocStr) bool {
const ptr: [*]usize = @ptrCast([*]usize, @alignCast(8, self.str_bytes));
const ptr: [*]usize = @ptrCast([*]usize, @alignCast(@alignOf(usize), self.str_bytes));
return (ptr - 1)[0] == utils.REFCOUNT_ONE;
}