Commit d41111d7ef

Motiejus Jakštys <motiejus@uber.com>
2023-06-10 01:02:18
mem: rename align*Generic to mem.align*
Anecdote 1: The generic version is way more popular than the non-generic one in Zig codebase: git grep -w alignForward | wc -l 56 git grep -w alignForwardGeneric | wc -l 149 git grep -w alignBackward | wc -l 6 git grep -w alignBackwardGeneric | wc -l 15 Anecdote 2: In my project (turbonss) that does much arithmetic and alignment I exclusively use the Generic functions. Anecdote 3: we used only the Generic versions in the Macho Man's linker workshop.
1 parent 5baa056
lib/std/heap/arena_allocator.zig
@@ -186,7 +186,7 @@ pub const ArenaAllocator = struct {
             const cur_alloc_buf = @ptrCast([*]u8, cur_node)[0..cur_node.data];
             const cur_buf = cur_alloc_buf[@sizeOf(BufNode)..];
             const addr = @ptrToInt(cur_buf.ptr) + self.state.end_index;
-            const adjusted_addr = mem.alignForward(addr, ptr_align);
+            const adjusted_addr = mem.alignForward(usize, addr, ptr_align);
             const adjusted_index = self.state.end_index + (adjusted_addr - addr);
             const new_end_index = adjusted_index + n;
 
lib/std/heap/general_purpose_allocator.zig
@@ -309,6 +309,7 @@ pub fn GeneralPurposeAllocator(comptime config: Config) type {
 
         fn bucketStackFramesStart(size_class: usize) usize {
             return mem.alignForward(
+                usize,
                 @sizeOf(BucketHeader) + usedBitsCount(size_class),
                 @alignOf(usize),
             );
lib/std/heap/PageAllocator.zig
@@ -17,7 +17,7 @@ fn alloc(_: *anyopaque, n: usize, log2_align: u8, ra: usize) ?[*]u8 {
     _ = log2_align;
     assert(n > 0);
     if (n > maxInt(usize) - (mem.page_size - 1)) return null;
-    const aligned_len = mem.alignForward(n, mem.page_size);
+    const aligned_len = mem.alignForward(usize, n, mem.page_size);
 
     if (builtin.os.tag == .windows) {
         const w = os.windows;
@@ -54,14 +54,14 @@ fn resize(
 ) bool {
     _ = log2_buf_align;
     _ = return_address;
-    const new_size_aligned = mem.alignForward(new_size, mem.page_size);
+    const new_size_aligned = mem.alignForward(usize, new_size, mem.page_size);
 
     if (builtin.os.tag == .windows) {
         const w = os.windows;
         if (new_size <= buf_unaligned.len) {
             const base_addr = @ptrToInt(buf_unaligned.ptr);
             const old_addr_end = base_addr + buf_unaligned.len;
-            const new_addr_end = mem.alignForward(base_addr + new_size, mem.page_size);
+            const new_addr_end = mem.alignForward(usize, base_addr + new_size, mem.page_size);
             if (old_addr_end > new_addr_end) {
                 // For shrinking that is not releasing, we will only
                 // decommit the pages not needed anymore.
@@ -73,14 +73,14 @@ fn resize(
             }
             return true;
         }
-        const old_size_aligned = mem.alignForward(buf_unaligned.len, mem.page_size);
+        const old_size_aligned = mem.alignForward(usize, buf_unaligned.len, mem.page_size);
         if (new_size_aligned <= old_size_aligned) {
             return true;
         }
         return false;
     }
 
-    const buf_aligned_len = mem.alignForward(buf_unaligned.len, mem.page_size);
+    const buf_aligned_len = mem.alignForward(usize, buf_unaligned.len, mem.page_size);
     if (new_size_aligned == buf_aligned_len)
         return true;
 
@@ -103,7 +103,7 @@ fn free(_: *anyopaque, slice: []u8, log2_buf_align: u8, return_address: usize) v
     if (builtin.os.tag == .windows) {
         os.windows.VirtualFree(slice.ptr, 0, os.windows.MEM_RELEASE);
     } else {
-        const buf_aligned_len = mem.alignForward(slice.len, mem.page_size);
+        const buf_aligned_len = mem.alignForward(usize, slice.len, mem.page_size);
         const ptr = @alignCast(mem.page_size, slice.ptr);
         os.munmap(ptr[0..buf_aligned_len]);
     }
lib/std/heap/WasmPageAllocator.zig
@@ -100,7 +100,7 @@ fn extendedOffset() usize {
 }
 
 fn nPages(memsize: usize) usize {
-    return mem.alignForward(memsize, mem.page_size) / mem.page_size;
+    return mem.alignForward(usize, memsize, mem.page_size) / mem.page_size;
 }
 
 fn alloc(ctx: *anyopaque, len: usize, log2_align: u8, ra: usize) ?[*]u8 {
@@ -170,7 +170,7 @@ fn resize(
     _ = ctx;
     _ = log2_buf_align;
     _ = return_address;
-    const aligned_len = mem.alignForward(buf.len, mem.page_size);
+    const aligned_len = mem.alignForward(usize, buf.len, mem.page_size);
     if (new_len > aligned_len) return false;
     const current_n = nPages(aligned_len);
     const new_n = nPages(new_len);
@@ -190,7 +190,7 @@ fn free(
     _ = ctx;
     _ = log2_buf_align;
     _ = return_address;
-    const aligned_len = mem.alignForward(buf.len, mem.page_size);
+    const aligned_len = mem.alignForward(usize, buf.len, mem.page_size);
     const current_n = nPages(aligned_len);
     const base = nPages(@ptrToInt(buf.ptr));
     freePages(base, base + current_n);
lib/std/mem/Allocator.zig
@@ -208,7 +208,7 @@ pub fn allocAdvancedWithRetAddr(
     comptime assert(a <= mem.page_size);
 
     if (n == 0) {
-        const ptr = comptime std.mem.alignBackward(math.maxInt(usize), a);
+        const ptr = comptime std.mem.alignBackward(usize, math.maxInt(usize), a);
         return @intToPtr([*]align(a) T, ptr)[0..0];
     }
 
@@ -267,7 +267,7 @@ pub fn reallocAdvanced(
     }
     if (new_n == 0) {
         self.free(old_mem);
-        const ptr = comptime std.mem.alignBackward(math.maxInt(usize), Slice.alignment);
+        const ptr = comptime std.mem.alignBackward(usize, math.maxInt(usize), Slice.alignment);
         return @intToPtr([*]align(Slice.alignment) T, ptr)[0..0];
     }
 
lib/std/meta/trailer_flags.zig
@@ -105,9 +105,9 @@ pub fn TrailerFlags(comptime Fields: type) type {
                 const active = (self.bits & (1 << i)) != 0;
                 if (i == @enumToInt(field)) {
                     assert(active);
-                    return mem.alignForwardGeneric(usize, off, @alignOf(field_info.type));
+                    return mem.alignForward(usize, off, @alignOf(field_info.type));
                 } else if (active) {
-                    off = mem.alignForwardGeneric(usize, off, @alignOf(field_info.type));
+                    off = mem.alignForward(usize, off, @alignOf(field_info.type));
                     off += @sizeOf(field_info.type);
                 }
             }
@@ -123,7 +123,7 @@ pub fn TrailerFlags(comptime Fields: type) type {
                 if (@sizeOf(field.type) == 0)
                     continue;
                 if ((self.bits & (1 << i)) != 0) {
-                    off = mem.alignForwardGeneric(usize, off, @alignOf(field.type));
+                    off = mem.alignForward(usize, off, @alignOf(field.type));
                     off += @sizeOf(field.type);
                 }
             }
lib/std/os/linux/tls.zig
@@ -233,7 +233,7 @@ fn initTLS(phdrs: []elf.Phdr) void {
                 l += tls_align_factor - delta;
             l += @sizeOf(CustomData);
             tcb_offset = l;
-            l += mem.alignForward(tls_tcb_size, tls_align_factor);
+            l += mem.alignForward(usize, tls_tcb_size, tls_align_factor);
             data_offset = l;
             l += tls_data_alloc_size;
             break :blk l;
@@ -241,14 +241,14 @@ fn initTLS(phdrs: []elf.Phdr) void {
         .VariantII => blk: {
             var l: usize = 0;
             data_offset = l;
-            l += mem.alignForward(tls_data_alloc_size, tls_align_factor);
+            l += mem.alignForward(usize, tls_data_alloc_size, tls_align_factor);
             // The thread pointer is aligned to p_align
             tcb_offset = l;
             l += tls_tcb_size;
             // The CustomData structure is right after the TCB with no padding
             // in between so it can be easily found
             l += @sizeOf(CustomData);
-            l = mem.alignForward(l, @alignOf(DTV));
+            l = mem.alignForward(usize, l, @alignOf(DTV));
             dtv_offset = l;
             l += @sizeOf(DTV);
             break :blk l;
@@ -329,7 +329,7 @@ pub fn initStaticTLS(phdrs: []elf.Phdr) void {
 
         // Make sure the slice is correctly aligned.
         const begin_addr = @ptrToInt(alloc_tls_area.ptr);
-        const begin_aligned_addr = mem.alignForward(begin_addr, tls_image.alloc_align);
+        const begin_aligned_addr = mem.alignForward(usize, begin_addr, tls_image.alloc_align);
         const start = begin_aligned_addr - begin_addr;
         break :blk alloc_tls_area[start .. start + tls_image.alloc_size];
     };
lib/std/os/uefi/pool_allocator.zig
@@ -24,7 +24,7 @@ const UefiPoolAllocator = struct {
 
         const ptr_align = @as(usize, 1) << @intCast(Allocator.Log2Align, log2_ptr_align);
 
-        const metadata_len = mem.alignForward(@sizeOf(usize), ptr_align);
+        const metadata_len = mem.alignForward(usize, @sizeOf(usize), ptr_align);
 
         const full_len = metadata_len + len;
 
@@ -32,7 +32,7 @@ const UefiPoolAllocator = struct {
         if (uefi.system_table.boot_services.?.allocatePool(uefi.efi_pool_memory_type, full_len, &unaligned_ptr) != .Success) return null;
 
         const unaligned_addr = @ptrToInt(unaligned_ptr);
-        const aligned_addr = mem.alignForward(unaligned_addr + @sizeOf(usize), ptr_align);
+        const aligned_addr = mem.alignForward(usize, unaligned_addr + @sizeOf(usize), ptr_align);
 
         var aligned_ptr = unaligned_ptr + (aligned_addr - unaligned_addr);
         getHeader(aligned_ptr).* = unaligned_ptr;
lib/std/dynamic_library.zig
@@ -124,7 +124,7 @@ pub const ElfDynLib = struct {
         // corresponding to the actual LOAD sections.
         const file_bytes = try os.mmap(
             null,
-            mem.alignForward(size, mem.page_size),
+            mem.alignForward(usize, size, mem.page_size),
             os.PROT.READ,
             os.MAP.PRIVATE,
             fd,
@@ -187,7 +187,7 @@ pub const ElfDynLib = struct {
                         // extra nonsense mapped before/after the VirtAddr,MemSiz
                         const aligned_addr = (base + ph.p_vaddr) & ~(@as(usize, mem.page_size) - 1);
                         const extra_bytes = (base + ph.p_vaddr) - aligned_addr;
-                        const extended_memsz = mem.alignForward(ph.p_memsz + extra_bytes, mem.page_size);
+                        const extended_memsz = mem.alignForward(usize, ph.p_memsz + extra_bytes, mem.page_size);
                         const ptr = @intToPtr([*]align(mem.page_size) u8, aligned_addr);
                         const prot = elfToMmapProt(ph.p_flags);
                         if ((ph.p_flags & elf.PF_W) == 0) {
lib/std/hash_map.zig
@@ -1545,13 +1545,13 @@ pub fn HashMapUnmanaged(
             const meta_size = @sizeOf(Header) + new_capacity * @sizeOf(Metadata);
             comptime assert(@alignOf(Metadata) == 1);
 
-            const keys_start = std.mem.alignForward(meta_size, key_align);
+            const keys_start = std.mem.alignForward(usize, meta_size, key_align);
             const keys_end = keys_start + new_capacity * @sizeOf(K);
 
-            const vals_start = std.mem.alignForward(keys_end, val_align);
+            const vals_start = std.mem.alignForward(usize, keys_end, val_align);
             const vals_end = vals_start + new_capacity * @sizeOf(V);
 
-            const total_size = std.mem.alignForward(vals_end, max_align);
+            const total_size = std.mem.alignForward(usize, vals_end, max_align);
 
             const slice = try allocator.alignedAlloc(u8, max_align, total_size);
             const ptr = @ptrToInt(slice.ptr);
@@ -1581,13 +1581,13 @@ pub fn HashMapUnmanaged(
             const meta_size = @sizeOf(Header) + cap * @sizeOf(Metadata);
             comptime assert(@alignOf(Metadata) == 1);
 
-            const keys_start = std.mem.alignForward(meta_size, key_align);
+            const keys_start = std.mem.alignForward(usize, meta_size, key_align);
             const keys_end = keys_start + cap * @sizeOf(K);
 
-            const vals_start = std.mem.alignForward(keys_end, val_align);
+            const vals_start = std.mem.alignForward(usize, keys_end, val_align);
             const vals_end = vals_start + cap * @sizeOf(V);
 
-            const total_size = std.mem.alignForward(vals_end, max_align);
+            const total_size = std.mem.alignForward(usize, vals_end, max_align);
 
             const slice = @intToPtr([*]align(max_align) u8, @ptrToInt(self.header()))[0..total_size];
             allocator.free(slice);
lib/std/heap.zig
@@ -83,7 +83,7 @@ const CAllocator = struct {
         // the aligned address.
         var unaligned_ptr = @ptrCast([*]u8, c.malloc(len + alignment - 1 + @sizeOf(usize)) orelse return null);
         const unaligned_addr = @ptrToInt(unaligned_ptr);
-        const aligned_addr = mem.alignForward(unaligned_addr + @sizeOf(usize), alignment);
+        const aligned_addr = mem.alignForward(usize, unaligned_addr + @sizeOf(usize), alignment);
         var aligned_ptr = unaligned_ptr + (aligned_addr - unaligned_addr);
         getHeader(aligned_ptr).* = unaligned_ptr;
 
@@ -249,7 +249,7 @@ pub const wasm_allocator = Allocator{
 /// Verifies that the adjusted length will still map to the full length
 pub fn alignPageAllocLen(full_len: usize, len: usize) usize {
     const aligned_len = mem.alignAllocLen(full_len, len);
-    assert(mem.alignForward(aligned_len, mem.page_size) == full_len);
+    assert(mem.alignForward(usize, aligned_len, mem.page_size) == full_len);
     return aligned_len;
 }
 
@@ -307,7 +307,7 @@ pub const HeapAllocator = switch (builtin.os.tag) {
             };
             const ptr = os.windows.kernel32.HeapAlloc(heap_handle, 0, amt) orelse return null;
             const root_addr = @ptrToInt(ptr);
-            const aligned_addr = mem.alignForward(root_addr, ptr_align);
+            const aligned_addr = mem.alignForward(usize, root_addr, ptr_align);
             const buf = @intToPtr([*]u8, aligned_addr)[0..n];
             getRecordPtr(buf).* = root_addr;
             return buf.ptr;
@@ -840,7 +840,7 @@ pub fn testAllocatorAlignedShrink(base_allocator: mem.Allocator) !void {
     // which is 16 pages, hence the 32. This test may require to increase
     // the size of the allocations feeding the `allocator` parameter if they
     // fail, because of this high over-alignment we want to have.
-    while (@ptrToInt(slice.ptr) == mem.alignForward(@ptrToInt(slice.ptr), mem.page_size * 32)) {
+    while (@ptrToInt(slice.ptr) == mem.alignForward(usize, @ptrToInt(slice.ptr), mem.page_size * 32)) {
         try stuff_to_free.append(slice);
         slice = try allocator.alignedAlloc(u8, 16, alloc_size);
     }
lib/std/mem.zig
@@ -4213,23 +4213,17 @@ test "sliceAsBytes preserves pointer attributes" {
 /// Round an address up to the next (or current) aligned address.
 /// The alignment must be a power of 2 and greater than 0.
 /// Asserts that rounding up the address does not cause integer overflow.
-pub fn alignForward(addr: usize, alignment: usize) usize {
-    return alignForwardGeneric(usize, addr, alignment);
+pub fn alignForward(comptime T: type, addr: T, alignment: T) T {
+    assert(isValidAlignGeneric(T, alignment));
+    return alignBackward(T, addr + (alignment - 1), alignment);
 }
 
 pub fn alignForwardLog2(addr: usize, log2_alignment: u8) usize {
     const alignment = @as(usize, 1) << @intCast(math.Log2Int(usize), log2_alignment);
-    return alignForward(addr, alignment);
+    return alignForward(usize, addr, alignment);
 }
 
-/// Round an address up to the next (or current) aligned address.
-/// The alignment must be a power of 2 and greater than 0.
-/// Asserts that rounding up the address does not cause integer overflow.
-pub fn alignForwardGeneric(comptime T: type, addr: T, alignment: T) T {
-    assert(alignment > 0);
-    assert(std.math.isPowerOfTwo(alignment));
-    return alignBackwardGeneric(T, addr + (alignment - 1), alignment);
-}
+pub const alignForwardGeneric = @compileError("renamed to alignForward");
 
 /// Force an evaluation of the expression; this tries to prevent
 /// the compiler from optimizing the computation away even if the
@@ -4322,38 +4316,32 @@ test "doNotOptimizeAway" {
 }
 
 test "alignForward" {
-    try testing.expect(alignForward(1, 1) == 1);
-    try testing.expect(alignForward(2, 1) == 2);
-    try testing.expect(alignForward(1, 2) == 2);
-    try testing.expect(alignForward(2, 2) == 2);
-    try testing.expect(alignForward(3, 2) == 4);
-    try testing.expect(alignForward(4, 2) == 4);
-    try testing.expect(alignForward(7, 8) == 8);
-    try testing.expect(alignForward(8, 8) == 8);
-    try testing.expect(alignForward(9, 8) == 16);
-    try testing.expect(alignForward(15, 8) == 16);
-    try testing.expect(alignForward(16, 8) == 16);
-    try testing.expect(alignForward(17, 8) == 24);
+    try testing.expect(alignForward(usize, 1, 1) == 1);
+    try testing.expect(alignForward(usize, 2, 1) == 2);
+    try testing.expect(alignForward(usize, 1, 2) == 2);
+    try testing.expect(alignForward(usize, 2, 2) == 2);
+    try testing.expect(alignForward(usize, 3, 2) == 4);
+    try testing.expect(alignForward(usize, 4, 2) == 4);
+    try testing.expect(alignForward(usize, 7, 8) == 8);
+    try testing.expect(alignForward(usize, 8, 8) == 8);
+    try testing.expect(alignForward(usize, 9, 8) == 16);
+    try testing.expect(alignForward(usize, 15, 8) == 16);
+    try testing.expect(alignForward(usize, 16, 8) == 16);
+    try testing.expect(alignForward(usize, 17, 8) == 24);
 }
 
 /// Round an address down to the previous (or current) aligned address.
 /// Unlike `alignBackward`, `alignment` can be any positive number, not just a power of 2.
 pub fn alignBackwardAnyAlign(i: usize, alignment: usize) usize {
     if (isValidAlign(alignment))
-        return alignBackward(i, alignment);
+        return alignBackward(usize, i, alignment);
     assert(alignment != 0);
     return i - @mod(i, alignment);
 }
 
 /// Round an address down to the previous (or current) aligned address.
 /// The alignment must be a power of 2 and greater than 0.
-pub fn alignBackward(addr: usize, alignment: usize) usize {
-    return alignBackwardGeneric(usize, addr, alignment);
-}
-
-/// Round an address down to the previous (or current) aligned address.
-/// The alignment must be a power of 2 and greater than 0.
-pub fn alignBackwardGeneric(comptime T: type, addr: T, alignment: T) T {
+pub fn alignBackward(comptime T: type, addr: T, alignment: T) T {
     assert(isValidAlignGeneric(T, alignment));
     // 000010000 // example alignment
     // 000001111 // subtract 1
@@ -4361,6 +4349,8 @@ pub fn alignBackwardGeneric(comptime T: type, addr: T, alignment: T) T {
     return addr & ~(alignment - 1);
 }
 
+pub const alignBackwardGeneric = @compileError("renamed to alignBackward");
+
 /// Returns whether `alignment` is a valid alignment, meaning it is
 /// a positive power of 2.
 pub fn isValidAlign(alignment: usize) bool {
@@ -4391,7 +4381,7 @@ pub fn isAligned(addr: usize, alignment: usize) bool {
 }
 
 pub fn isAlignedGeneric(comptime T: type, addr: T, alignment: T) bool {
-    return alignBackwardGeneric(T, addr, alignment) == addr;
+    return alignBackward(T, addr, alignment) == addr;
 }
 
 test "isAligned" {
@@ -4439,7 +4429,7 @@ pub fn alignInBytes(bytes: []u8, comptime new_alignment: usize) ?[]align(new_ali
     const begin_address = @ptrToInt(bytes.ptr);
     const end_address = begin_address + bytes.len;
 
-    const begin_address_aligned = mem.alignForward(begin_address, new_alignment);
+    const begin_address_aligned = mem.alignForward(usize, begin_address, new_alignment);
     const new_length = std.math.sub(usize, end_address, begin_address_aligned) catch |e| switch (e) {
         error.Overflow => return null,
     };
lib/std/tar.zig
@@ -116,7 +116,7 @@ pub fn pipeToFileSystem(dir: std.fs.Dir, reader: anytype, options: Options) !voi
         const header: Header = .{ .bytes = buffer[start..][0..512] };
         start += 512;
         const file_size = try header.fileSize();
-        const rounded_file_size = std.mem.alignForwardGeneric(u64, file_size, 512);
+        const rounded_file_size = std.mem.alignForward(u64, file_size, 512);
         const pad_len = @intCast(usize, rounded_file_size - file_size);
         const unstripped_file_name = try header.fullFileName(&file_name_buffer);
         switch (header.fileType()) {
lib/std/target.zig
@@ -1944,7 +1944,7 @@ pub const Target = struct {
                 16 => 2,
                 32 => 4,
                 64 => 8,
-                80 => @intCast(u16, mem.alignForward(10, c_type_alignment(t, .longdouble))),
+                80 => @intCast(u16, mem.alignForward(usize, 10, c_type_alignment(t, .longdouble))),
                 128 => 16,
                 else => unreachable,
             },
lib/std/testing.zig
@@ -305,7 +305,7 @@ pub fn expectEqualSlices(comptime T: type, expected: []const T, actual: []const
     var window_start: usize = 0;
     if (@max(actual.len, expected.len) > max_window_size) {
         const alignment = if (T == u8) 16 else 2;
-        window_start = std.mem.alignBackward(diff_index - @min(diff_index, alignment), alignment);
+        window_start = std.mem.alignBackward(usize, diff_index - @min(diff_index, alignment), alignment);
     }
     const expected_window = expected[window_start..@min(expected.len, window_start + max_window_size)];
     const expected_truncated = window_start + expected_window.len < expected.len;
lib/std/Thread.zig
@@ -931,18 +931,18 @@ const LinuxThreadImpl = struct {
             guard_offset = bytes;
 
             bytes += @max(page_size, config.stack_size);
-            bytes = std.mem.alignForward(bytes, page_size);
+            bytes = std.mem.alignForward(usize, bytes, page_size);
             stack_offset = bytes;
 
-            bytes = std.mem.alignForward(bytes, linux.tls.tls_image.alloc_align);
+            bytes = std.mem.alignForward(usize, bytes, linux.tls.tls_image.alloc_align);
             tls_offset = bytes;
             bytes += linux.tls.tls_image.alloc_size;
 
-            bytes = std.mem.alignForward(bytes, @alignOf(Instance));
+            bytes = std.mem.alignForward(usize, bytes, @alignOf(Instance));
             instance_offset = bytes;
             bytes += @sizeOf(Instance);
 
-            bytes = std.mem.alignForward(bytes, page_size);
+            bytes = std.mem.alignForward(usize, bytes, page_size);
             break :blk bytes;
         };
 
src/arch/aarch64/CodeGen.zig
@@ -566,7 +566,7 @@ fn gen(self: *Self) !void {
 
         // Backpatch stack offset
         const total_stack_size = self.max_end_stack + self.saved_regs_stack_space;
-        const aligned_total_stack_end = mem.alignForwardGeneric(u32, total_stack_size, self.stack_align);
+        const aligned_total_stack_end = mem.alignForward(u32, total_stack_size, self.stack_align);
         const stack_size = aligned_total_stack_end - self.saved_regs_stack_space;
         self.max_end_stack = stack_size;
         if (math.cast(u12, stack_size)) |size| {
@@ -1011,7 +1011,7 @@ fn allocMem(
         std.math.ceilPowerOfTwoAssert(u32, abi_size);
 
     // TODO find a free slot instead of always appending
-    const offset = mem.alignForwardGeneric(u32, self.next_stack_offset, adjusted_align) + abi_size;
+    const offset = mem.alignForward(u32, self.next_stack_offset, adjusted_align) + abi_size;
     self.next_stack_offset = offset;
     self.max_end_stack = @max(self.max_end_stack, self.next_stack_offset);
 
@@ -6328,7 +6328,7 @@ fn resolveCallingConventionValues(self: *Self, fn_ty: Type) !CallMCValues {
                     const param_size = @intCast(u32, ty.toType().abiSize(mod));
                     const param_alignment = ty.toType().abiAlignment(mod);
 
-                    stack_offset = std.mem.alignForwardGeneric(u32, stack_offset, param_alignment);
+                    stack_offset = std.mem.alignForward(u32, stack_offset, param_alignment);
                     result.args[i] = .{ .stack_argument_offset = stack_offset };
                     stack_offset += param_size;
                 } else {
src/arch/arm/abi.zig
@@ -13,7 +13,7 @@ pub const Class = union(enum) {
     i64_array: u8,
 
     fn arrSize(total_size: u64, arr_size: u64) Class {
-        const count = @intCast(u8, std.mem.alignForwardGeneric(u64, total_size, arr_size) / arr_size);
+        const count = @intCast(u8, std.mem.alignForward(u64, total_size, arr_size) / arr_size);
         if (arr_size == 32) {
             return .{ .i32_array = count };
         } else {
src/arch/arm/CodeGen.zig
@@ -560,7 +560,7 @@ fn gen(self: *Self) !void {
 
         // Backpatch stack offset
         const total_stack_size = self.max_end_stack + self.saved_regs_stack_space;
-        const aligned_total_stack_end = mem.alignForwardGeneric(u32, total_stack_size, self.stack_align);
+        const aligned_total_stack_end = mem.alignForward(u32, total_stack_size, self.stack_align);
         const stack_size = aligned_total_stack_end - self.saved_regs_stack_space;
         self.max_end_stack = stack_size;
         self.mir_instructions.set(sub_reloc, .{
@@ -991,7 +991,7 @@ fn allocMem(
     assert(abi_align > 0);
 
     // TODO find a free slot instead of always appending
-    const offset = mem.alignForwardGeneric(u32, self.next_stack_offset, abi_align) + abi_size;
+    const offset = mem.alignForward(u32, self.next_stack_offset, abi_align) + abi_size;
     self.next_stack_offset = offset;
     self.max_end_stack = @max(self.max_end_stack, self.next_stack_offset);
 
@@ -6214,7 +6214,7 @@ fn resolveCallingConventionValues(self: *Self, fn_ty: Type) !CallMCValues {
 
             for (fn_info.param_types, 0..) |ty, i| {
                 if (ty.toType().abiAlignment(mod) == 8)
-                    ncrn = std.mem.alignForwardGeneric(usize, ncrn, 2);
+                    ncrn = std.mem.alignForward(usize, ncrn, 2);
 
                 const param_size = @intCast(u32, ty.toType().abiSize(mod));
                 if (std.math.divCeil(u32, param_size, 4) catch unreachable <= 4 - ncrn) {
@@ -6229,7 +6229,7 @@ fn resolveCallingConventionValues(self: *Self, fn_ty: Type) !CallMCValues {
                 } else {
                     ncrn = 4;
                     if (ty.toType().abiAlignment(mod) == 8)
-                        nsaa = std.mem.alignForwardGeneric(u32, nsaa, 8);
+                        nsaa = std.mem.alignForward(u32, nsaa, 8);
 
                     result.args[i] = .{ .stack_argument_offset = nsaa };
                     nsaa += param_size;
@@ -6267,7 +6267,7 @@ fn resolveCallingConventionValues(self: *Self, fn_ty: Type) !CallMCValues {
                     const param_size = @intCast(u32, ty.toType().abiSize(mod));
                     const param_alignment = ty.toType().abiAlignment(mod);
 
-                    stack_offset = std.mem.alignForwardGeneric(u32, stack_offset, param_alignment);
+                    stack_offset = std.mem.alignForward(u32, stack_offset, param_alignment);
                     result.args[i] = .{ .stack_argument_offset = stack_offset };
                     stack_offset += param_size;
                 } else {
src/arch/riscv64/CodeGen.zig
@@ -792,7 +792,7 @@ fn allocMem(self: *Self, inst: Air.Inst.Index, abi_size: u32, abi_align: u32) !u
     if (abi_align > self.stack_align)
         self.stack_align = abi_align;
     // TODO find a free slot instead of always appending
-    const offset = mem.alignForwardGeneric(u32, self.next_stack_offset, abi_align);
+    const offset = mem.alignForward(u32, self.next_stack_offset, abi_align);
     self.next_stack_offset = offset + abi_size;
     if (self.next_stack_offset > self.max_end_stack)
         self.max_end_stack = self.next_stack_offset;
src/arch/sparc64/CodeGen.zig
@@ -423,7 +423,7 @@ fn gen(self: *Self) !void {
 
         // Backpatch stack offset
         const total_stack_size = self.max_end_stack + abi.stack_reserved_area;
-        const stack_size = mem.alignForwardGeneric(u32, total_stack_size, self.stack_align);
+        const stack_size = mem.alignForward(u32, total_stack_size, self.stack_align);
         if (math.cast(i13, stack_size)) |size| {
             self.mir_instructions.set(save_inst, .{
                 .tag = .save,
@@ -2781,7 +2781,7 @@ fn allocMem(self: *Self, inst: Air.Inst.Index, abi_size: u32, abi_align: u32) !u
     if (abi_align > self.stack_align)
         self.stack_align = abi_align;
     // TODO find a free slot instead of always appending
-    const offset = mem.alignForwardGeneric(u32, self.next_stack_offset, abi_align) + abi_size;
+    const offset = mem.alignForward(u32, self.next_stack_offset, abi_align) + abi_size;
     self.next_stack_offset = offset;
     if (self.next_stack_offset > self.max_end_stack)
         self.max_end_stack = self.next_stack_offset;
src/arch/wasm/CodeGen.zig
@@ -1286,7 +1286,7 @@ fn genFunc(func: *CodeGen) InnerError!void {
         // store stack pointer so we can restore it when we return from the function
         try prologue.append(.{ .tag = .local_tee, .data = .{ .label = func.initial_stack_value.local.value } });
         // get the total stack size
-        const aligned_stack = std.mem.alignForwardGeneric(u32, func.stack_size, func.stack_alignment);
+        const aligned_stack = std.mem.alignForward(u32, func.stack_size, func.stack_alignment);
         try prologue.append(.{ .tag = .i32_const, .data = .{ .imm32 = @intCast(i32, aligned_stack) } });
         // substract it from the current stack pointer
         try prologue.append(.{ .tag = .i32_sub, .data = .{ .tag = {} } });
@@ -1531,7 +1531,7 @@ fn allocStack(func: *CodeGen, ty: Type) !WValue {
         func.stack_alignment = abi_align;
     }
 
-    const offset = std.mem.alignForwardGeneric(u32, func.stack_size, abi_align);
+    const offset = std.mem.alignForward(u32, func.stack_size, abi_align);
     defer func.stack_size = offset + abi_size;
 
     return WValue{ .stack_offset = .{ .value = offset, .references = 1 } };
@@ -1564,7 +1564,7 @@ fn allocStackPtr(func: *CodeGen, inst: Air.Inst.Index) !WValue {
         func.stack_alignment = abi_alignment;
     }
 
-    const offset = std.mem.alignForwardGeneric(u32, func.stack_size, abi_alignment);
+    const offset = std.mem.alignForward(u32, func.stack_size, abi_alignment);
     defer func.stack_size = offset + abi_size;
 
     return WValue{ .stack_offset = .{ .value = offset, .references = 1 } };
@@ -2975,7 +2975,7 @@ fn lowerParentPtr(func: *CodeGen, ptr_val: Value, offset: u32) InnerError!WValue
                         if (layout.payload_align > layout.tag_align) break :blk 0;
 
                         // tag is stored first so calculate offset from where payload starts
-                        break :blk @intCast(u32, std.mem.alignForwardGeneric(u64, layout.tag_size, layout.tag_align));
+                        break :blk @intCast(u32, std.mem.alignForward(u64, layout.tag_size, layout.tag_align));
                     },
                 },
                 .Pointer => switch (parent_ty.ptrSize(mod)) {
src/arch/x86_64/CodeGen.zig
@@ -2150,7 +2150,7 @@ fn setFrameLoc(
     const frame_i = @enumToInt(frame_index);
     if (aligned) {
         const alignment = @as(i32, 1) << self.frame_allocs.items(.abi_align)[frame_i];
-        offset.* = mem.alignForwardGeneric(i32, offset.*, alignment);
+        offset.* = mem.alignForward(i32, offset.*, alignment);
     }
     self.frame_locs.set(frame_i, .{ .base = base, .disp = offset.* });
     offset.* += self.frame_allocs.items(.abi_size)[frame_i];
@@ -2207,7 +2207,7 @@ fn computeFrameLayout(self: *Self) !FrameLayout {
     self.setFrameLoc(.stack_frame, .rsp, &rsp_offset, true);
     for (stack_frame_order) |frame_index| self.setFrameLoc(frame_index, .rsp, &rsp_offset, true);
     rsp_offset += stack_frame_align_offset;
-    rsp_offset = mem.alignForwardGeneric(i32, rsp_offset, @as(i32, 1) << needed_align);
+    rsp_offset = mem.alignForward(i32, rsp_offset, @as(i32, 1) << needed_align);
     rsp_offset -= stack_frame_align_offset;
     frame_size[@enumToInt(FrameIndex.call_frame)] =
         @intCast(u31, rsp_offset - frame_offset[@enumToInt(FrameIndex.stack_frame)]);
@@ -11807,7 +11807,7 @@ fn resolveCallingConventionValues(
                 const param_size = @intCast(u31, ty.abiSize(mod));
                 const param_align = @intCast(u31, ty.abiAlignment(mod));
                 result.stack_byte_count =
-                    mem.alignForwardGeneric(u31, result.stack_byte_count, param_align);
+                    mem.alignForward(u31, result.stack_byte_count, param_align);
                 arg.* = .{ .load_frame = .{
                     .index = stack_frame_base,
                     .off = result.stack_byte_count,
@@ -11847,7 +11847,7 @@ fn resolveCallingConventionValues(
                 const param_size = @intCast(u31, ty.abiSize(mod));
                 const param_align = @intCast(u31, ty.abiAlignment(mod));
                 result.stack_byte_count =
-                    mem.alignForwardGeneric(u31, result.stack_byte_count, param_align);
+                    mem.alignForward(u31, result.stack_byte_count, param_align);
                 arg.* = .{ .load_frame = .{
                     .index = stack_frame_base,
                     .off = result.stack_byte_count,
@@ -11858,7 +11858,7 @@ fn resolveCallingConventionValues(
         else => return self.fail("TODO implement function parameters and return values for {} on x86_64", .{cc}),
     }
 
-    result.stack_byte_count = mem.alignForwardGeneric(u31, result.stack_byte_count, result.stack_align);
+    result.stack_byte_count = mem.alignForward(u31, result.stack_byte_count, result.stack_align);
     return result;
 }
 
src/codegen/llvm.zig
@@ -1633,7 +1633,7 @@ pub const Object = struct {
 
                     var offset: u64 = 0;
                     offset += ptr_size;
-                    offset = std.mem.alignForwardGeneric(u64, offset, len_align);
+                    offset = std.mem.alignForward(u64, offset, len_align);
                     const len_offset = offset;
 
                     const fields: [2]*llvm.DIType = .{
@@ -1801,7 +1801,7 @@ pub const Object = struct {
 
                 var offset: u64 = 0;
                 offset += payload_size;
-                offset = std.mem.alignForwardGeneric(u64, offset, non_null_align);
+                offset = std.mem.alignForward(u64, offset, non_null_align);
                 const non_null_offset = offset;
 
                 const fields: [2]*llvm.DIType = .{
@@ -1888,12 +1888,12 @@ pub const Object = struct {
                     error_index = 0;
                     payload_index = 1;
                     error_offset = 0;
-                    payload_offset = std.mem.alignForwardGeneric(u64, error_size, payload_align);
+                    payload_offset = std.mem.alignForward(u64, error_size, payload_align);
                 } else {
                     payload_index = 0;
                     error_index = 1;
                     payload_offset = 0;
-                    error_offset = std.mem.alignForwardGeneric(u64, payload_size, error_align);
+                    error_offset = std.mem.alignForward(u64, payload_size, error_align);
                 }
 
                 var fields: [2]*llvm.DIType = undefined;
@@ -1995,7 +1995,7 @@ pub const Object = struct {
 
                             const field_size = field_ty.toType().abiSize(mod);
                             const field_align = field_ty.toType().abiAlignment(mod);
-                            const field_offset = std.mem.alignForwardGeneric(u64, offset, field_align);
+                            const field_offset = std.mem.alignForward(u64, offset, field_align);
                             offset = field_offset + field_size;
 
                             const field_name = if (tuple.names.len != 0)
@@ -2086,7 +2086,7 @@ pub const Object = struct {
                     const field = field_and_index.field;
                     const field_size = field.ty.abiSize(mod);
                     const field_align = field.alignment(mod, layout);
-                    const field_offset = std.mem.alignForwardGeneric(u64, offset, field_align);
+                    const field_offset = std.mem.alignForward(u64, offset, field_align);
                     offset = field_offset + field_size;
 
                     const field_name = mod.intern_pool.stringToSlice(fields.keys()[field_and_index.index]);
@@ -2242,10 +2242,10 @@ pub const Object = struct {
                 var payload_offset: u64 = undefined;
                 if (layout.tag_align >= layout.payload_align) {
                     tag_offset = 0;
-                    payload_offset = std.mem.alignForwardGeneric(u64, layout.tag_size, layout.payload_align);
+                    payload_offset = std.mem.alignForward(u64, layout.tag_size, layout.payload_align);
                 } else {
                     payload_offset = 0;
-                    tag_offset = std.mem.alignForwardGeneric(u64, layout.payload_size, layout.tag_align);
+                    tag_offset = std.mem.alignForward(u64, layout.payload_size, layout.tag_align);
                 }
 
                 const tag_di = dib.createMemberType(
@@ -2861,9 +2861,9 @@ pub const DeclGen = struct {
                     fields_buf[0] = llvm_error_type;
                     fields_buf[1] = llvm_payload_type;
                     const payload_end =
-                        std.mem.alignForwardGeneric(u64, error_size, payload_align) +
+                        std.mem.alignForward(u64, error_size, payload_align) +
                         payload_size;
-                    const abi_size = std.mem.alignForwardGeneric(u64, payload_end, error_align);
+                    const abi_size = std.mem.alignForward(u64, payload_end, error_align);
                     const padding = @intCast(c_uint, abi_size - payload_end);
                     if (padding == 0) {
                         return dg.context.structType(&fields_buf, 2, .False);
@@ -2874,9 +2874,9 @@ pub const DeclGen = struct {
                     fields_buf[0] = llvm_payload_type;
                     fields_buf[1] = llvm_error_type;
                     const error_end =
-                        std.mem.alignForwardGeneric(u64, payload_size, error_align) +
+                        std.mem.alignForward(u64, payload_size, error_align) +
                         error_size;
-                    const abi_size = std.mem.alignForwardGeneric(u64, error_end, payload_align);
+                    const abi_size = std.mem.alignForward(u64, error_end, payload_align);
                     const padding = @intCast(c_uint, abi_size - error_end);
                     if (padding == 0) {
                         return dg.context.structType(&fields_buf, 2, .False);
@@ -2910,7 +2910,7 @@ pub const DeclGen = struct {
                             const field_align = field_ty.toType().abiAlignment(mod);
                             big_align = @max(big_align, field_align);
                             const prev_offset = offset;
-                            offset = std.mem.alignForwardGeneric(u64, offset, field_align);
+                            offset = std.mem.alignForward(u64, offset, field_align);
 
                             const padding_len = offset - prev_offset;
                             if (padding_len > 0) {
@@ -2924,7 +2924,7 @@ pub const DeclGen = struct {
                         }
                         {
                             const prev_offset = offset;
-                            offset = std.mem.alignForwardGeneric(u64, offset, big_align);
+                            offset = std.mem.alignForward(u64, offset, big_align);
                             const padding_len = offset - prev_offset;
                             if (padding_len > 0) {
                                 const llvm_array_ty = dg.context.intType(8).arrayType(@intCast(c_uint, padding_len));
@@ -2979,7 +2979,7 @@ pub const DeclGen = struct {
                         field_align < field_ty_align;
                     big_align = @max(big_align, field_align);
                     const prev_offset = offset;
-                    offset = std.mem.alignForwardGeneric(u64, offset, field_align);
+                    offset = std.mem.alignForward(u64, offset, field_align);
 
                     const padding_len = offset - prev_offset;
                     if (padding_len > 0) {
@@ -2993,7 +2993,7 @@ pub const DeclGen = struct {
                 }
                 {
                     const prev_offset = offset;
-                    offset = std.mem.alignForwardGeneric(u64, offset, big_align);
+                    offset = std.mem.alignForward(u64, offset, big_align);
                     const padding_len = offset - prev_offset;
                     if (padding_len > 0) {
                         const llvm_array_ty = dg.context.intType(8).arrayType(@intCast(c_uint, padding_len));
@@ -3552,7 +3552,7 @@ pub const DeclGen = struct {
                         const field_align = field_ty.toType().abiAlignment(mod);
                         big_align = @max(big_align, field_align);
                         const prev_offset = offset;
-                        offset = std.mem.alignForwardGeneric(u64, offset, field_align);
+                        offset = std.mem.alignForward(u64, offset, field_align);
 
                         const padding_len = offset - prev_offset;
                         if (padding_len > 0) {
@@ -3575,7 +3575,7 @@ pub const DeclGen = struct {
                     }
                     {
                         const prev_offset = offset;
-                        offset = std.mem.alignForwardGeneric(u64, offset, big_align);
+                        offset = std.mem.alignForward(u64, offset, big_align);
                         const padding_len = offset - prev_offset;
                         if (padding_len > 0) {
                             const llvm_array_ty = dg.context.intType(8).arrayType(@intCast(c_uint, padding_len));
@@ -3650,7 +3650,7 @@ pub const DeclGen = struct {
                         const field_align = field.alignment(mod, struct_obj.layout);
                         big_align = @max(big_align, field_align);
                         const prev_offset = offset;
-                        offset = std.mem.alignForwardGeneric(u64, offset, field_align);
+                        offset = std.mem.alignForward(u64, offset, field_align);
 
                         const padding_len = offset - prev_offset;
                         if (padding_len > 0) {
@@ -3673,7 +3673,7 @@ pub const DeclGen = struct {
                     }
                     {
                         const prev_offset = offset;
-                        offset = std.mem.alignForwardGeneric(u64, offset, big_align);
+                        offset = std.mem.alignForward(u64, offset, big_align);
                         const padding_len = offset - prev_offset;
                         if (padding_len > 0) {
                             const llvm_array_ty = dg.context.intType(8).arrayType(@intCast(c_uint, padding_len));
@@ -10274,7 +10274,7 @@ fn llvmField(ty: Type, field_index: usize, mod: *Module) ?LlvmField {
                 const field_align = field_ty.toType().abiAlignment(mod);
                 big_align = @max(big_align, field_align);
                 const prev_offset = offset;
-                offset = std.mem.alignForwardGeneric(u64, offset, field_align);
+                offset = std.mem.alignForward(u64, offset, field_align);
 
                 const padding_len = offset - prev_offset;
                 if (padding_len > 0) {
@@ -10308,7 +10308,7 @@ fn llvmField(ty: Type, field_index: usize, mod: *Module) ?LlvmField {
         const field_align = field.alignment(mod, layout);
         big_align = @max(big_align, field_align);
         const prev_offset = offset;
-        offset = std.mem.alignForwardGeneric(u64, offset, field_align);
+        offset = std.mem.alignForward(u64, offset, field_align);
 
         const padding_len = offset - prev_offset;
         if (padding_len > 0) {
src/codegen/spirv.zig
@@ -472,12 +472,12 @@ pub const DeclGen = struct {
             try self.initializers.append(result_id);
 
             self.partial_word.len = 0;
-            self.size = std.mem.alignForwardGeneric(u32, self.size, @sizeOf(Word));
+            self.size = std.mem.alignForward(u32, self.size, @sizeOf(Word));
         }
 
         /// Fill the buffer with undefined values until the size is aligned to `align`.
         fn fillToAlign(self: *@This(), alignment: u32) !void {
-            const target_size = std.mem.alignForwardGeneric(u32, self.size, alignment);
+            const target_size = std.mem.alignForward(u32, self.size, alignment);
             try self.addUndef(target_size - self.size);
         }
 
src/link/MachO/CodeSignature.zig
@@ -282,7 +282,7 @@ pub fn writeAdhocSignature(
     self.code_directory.inner.execSegFlags = if (opts.output_mode == .Exe) macho.CS_EXECSEG_MAIN_BINARY else 0;
     self.code_directory.inner.codeLimit = opts.file_size;
 
-    const total_pages = @intCast(u32, mem.alignForward(opts.file_size, self.page_size) / self.page_size);
+    const total_pages = @intCast(u32, mem.alignForward(usize, opts.file_size, self.page_size) / self.page_size);
 
     try self.code_directory.code_slots.ensureTotalCapacityPrecise(gpa, total_pages);
     self.code_directory.code_slots.items.len = total_pages;
@@ -357,7 +357,7 @@ fn parallelHash(
 ) !void {
     var wg: WaitGroup = .{};
 
-    const total_num_chunks = mem.alignForward(file_size, self.page_size) / self.page_size;
+    const total_num_chunks = mem.alignForward(usize, file_size, self.page_size) / self.page_size;
     assert(self.code_directory.code_slots.items.len >= total_num_chunks);
 
     const buffer = try gpa.alloc(u8, self.page_size * total_num_chunks);
@@ -421,7 +421,7 @@ pub fn size(self: CodeSignature) u32 {
 pub fn estimateSize(self: CodeSignature, file_size: u64) u32 {
     var ssize: u64 = @sizeOf(macho.SuperBlob) + @sizeOf(macho.BlobIndex) + self.code_directory.size();
     // Approx code slots
-    const total_pages = mem.alignForwardGeneric(u64, file_size, self.page_size) / self.page_size;
+    const total_pages = mem.alignForward(u64, file_size, self.page_size) / self.page_size;
     ssize += total_pages * hash_size;
     var n_special_slots: u32 = 0;
     if (self.requirements) |req| {
@@ -436,7 +436,7 @@ pub fn estimateSize(self: CodeSignature, file_size: u64) u32 {
         ssize += @sizeOf(macho.BlobIndex) + sig.size();
     }
     ssize += n_special_slots * hash_size;
-    return @intCast(u32, mem.alignForwardGeneric(u64, ssize, @sizeOf(u64)));
+    return @intCast(u32, mem.alignForward(u64, ssize, @sizeOf(u64)));
 }
 
 pub fn clear(self: *CodeSignature, allocator: Allocator) void {
src/link/MachO/DebugSymbols.zig
@@ -68,7 +68,7 @@ pub fn populateMissingMetadata(self: *DebugSymbols) !void {
 
         const off = @intCast(u64, self.page_size);
         const ideal_size: u16 = 200 + 128 + 160 + 250;
-        const needed_size = mem.alignForwardGeneric(u64, padToIdeal(ideal_size), self.page_size);
+        const needed_size = mem.alignForward(u64, padToIdeal(ideal_size), self.page_size);
 
         log.debug("found __DWARF segment free space 0x{x} to 0x{x}", .{ off, off + needed_size });
 
@@ -213,7 +213,7 @@ fn findFreeSpace(self: *DebugSymbols, object_size: u64, min_alignment: u64) u64
     const segment = self.getDwarfSegmentPtr();
     var offset: u64 = segment.fileoff;
     while (self.detectAllocCollision(offset, object_size)) |item_end| {
-        offset = mem.alignForwardGeneric(u64, item_end, min_alignment);
+        offset = mem.alignForward(u64, item_end, min_alignment);
     }
     return offset;
 }
@@ -355,18 +355,18 @@ fn finalizeDwarfSegment(self: *DebugSymbols, macho_file: *MachO) void {
         file_size = @max(file_size, header.offset + header.size);
     }
 
-    const aligned_size = mem.alignForwardGeneric(u64, file_size, self.page_size);
+    const aligned_size = mem.alignForward(u64, file_size, self.page_size);
     dwarf_segment.vmaddr = base_vmaddr;
     dwarf_segment.filesize = aligned_size;
     dwarf_segment.vmsize = aligned_size;
 
     const linkedit = self.getLinkeditSegmentPtr();
-    linkedit.vmaddr = mem.alignForwardGeneric(
+    linkedit.vmaddr = mem.alignForward(
         u64,
         dwarf_segment.vmaddr + aligned_size,
         self.page_size,
     );
-    linkedit.fileoff = mem.alignForwardGeneric(
+    linkedit.fileoff = mem.alignForward(
         u64,
         dwarf_segment.fileoff + aligned_size,
         self.page_size,
@@ -458,7 +458,7 @@ fn writeLinkeditSegmentData(self: *DebugSymbols, macho_file: *MachO) !void {
     try self.writeStrtab();
 
     const seg = &self.segments.items[self.linkedit_segment_cmd_index.?];
-    const aligned_size = mem.alignForwardGeneric(u64, seg.filesize, self.page_size);
+    const aligned_size = mem.alignForward(u64, seg.filesize, self.page_size);
     seg.vmsize = aligned_size;
 }
 
@@ -497,7 +497,7 @@ fn writeSymtab(self: *DebugSymbols, macho_file: *MachO) !void {
     const nsyms = nlocals + nexports;
 
     const seg = &self.segments.items[self.linkedit_segment_cmd_index.?];
-    const offset = mem.alignForwardGeneric(u64, seg.fileoff, @alignOf(macho.nlist_64));
+    const offset = mem.alignForward(u64, seg.fileoff, @alignOf(macho.nlist_64));
     const needed_size = nsyms * @sizeOf(macho.nlist_64);
     seg.filesize = offset + needed_size - seg.fileoff;
 
@@ -522,8 +522,8 @@ fn writeStrtab(self: *DebugSymbols) !void {
 
     const seg = &self.segments.items[self.linkedit_segment_cmd_index.?];
     const symtab_size = @intCast(u32, self.symtab_cmd.nsyms * @sizeOf(macho.nlist_64));
-    const offset = mem.alignForwardGeneric(u64, self.symtab_cmd.symoff + symtab_size, @alignOf(u64));
-    const needed_size = mem.alignForwardGeneric(u64, self.strtab.buffer.items.len, @alignOf(u64));
+    const offset = mem.alignForward(u64, self.symtab_cmd.symoff + symtab_size, @alignOf(u64));
+    const needed_size = mem.alignForward(u64, self.strtab.buffer.items.len, @alignOf(u64));
 
     seg.filesize = offset + needed_size - seg.fileoff;
     self.symtab_cmd.stroff = @intCast(u32, offset);
src/link/MachO/load_commands.zig
@@ -17,7 +17,7 @@ pub const default_dyld_path: [*:0]const u8 = "/usr/lib/dyld";
 fn calcInstallNameLen(cmd_size: u64, name: []const u8, assume_max_path_len: bool) u64 {
     const darwin_path_max = 1024;
     const name_len = if (assume_max_path_len) darwin_path_max else name.len + 1;
-    return mem.alignForwardGeneric(u64, cmd_size + name_len, @alignOf(u64));
+    return mem.alignForward(u64, cmd_size + name_len, @alignOf(u64));
 }
 
 const CalcLCsSizeCtx = struct {
@@ -149,7 +149,7 @@ pub fn calcNumOfLCs(lc_buffer: []const u8) u32 {
 
 pub fn writeDylinkerLC(lc_writer: anytype) !void {
     const name_len = mem.sliceTo(default_dyld_path, 0).len;
-    const cmdsize = @intCast(u32, mem.alignForwardGeneric(
+    const cmdsize = @intCast(u32, mem.alignForward(
         u64,
         @sizeOf(macho.dylinker_command) + name_len,
         @sizeOf(u64),
@@ -176,7 +176,7 @@ const WriteDylibLCCtx = struct {
 
 fn writeDylibLC(ctx: WriteDylibLCCtx, lc_writer: anytype) !void {
     const name_len = ctx.name.len + 1;
-    const cmdsize = @intCast(u32, mem.alignForwardGeneric(
+    const cmdsize = @intCast(u32, mem.alignForward(
         u64,
         @sizeOf(macho.dylib_command) + name_len,
         @sizeOf(u64),
@@ -253,7 +253,7 @@ pub fn writeRpathLCs(gpa: Allocator, options: *const link.Options, lc_writer: an
 
     while (try it.next()) |rpath| {
         const rpath_len = rpath.len + 1;
-        const cmdsize = @intCast(u32, mem.alignForwardGeneric(
+        const cmdsize = @intCast(u32, mem.alignForward(
             u64,
             @sizeOf(macho.rpath_command) + rpath_len,
             @sizeOf(u64),
src/link/MachO/thunks.zig
@@ -109,7 +109,7 @@ pub fn createThunks(zld: *Zld, sect_id: u8) !void {
 
         while (true) {
             const atom = zld.getAtom(group_end);
-            offset = mem.alignForwardGeneric(u64, offset, try math.powi(u32, 2, atom.alignment));
+            offset = mem.alignForward(u64, offset, try math.powi(u32, 2, atom.alignment));
 
             const sym = zld.getSymbolPtr(atom.getSymbolWithLoc());
             sym.n_value = offset;
@@ -153,7 +153,7 @@ pub fn createThunks(zld: *Zld, sect_id: u8) !void {
             } else break;
         }
 
-        offset = mem.alignForwardGeneric(u64, offset, Thunk.getAlignment());
+        offset = mem.alignForward(u64, offset, Thunk.getAlignment());
         allocateThunk(zld, thunk_index, offset, header);
         offset += zld.thunks.items[thunk_index].getSize();
 
@@ -193,7 +193,7 @@ fn allocateThunk(
     var offset = base_offset;
     while (true) {
         const atom = zld.getAtom(atom_index);
-        offset = mem.alignForwardGeneric(u64, offset, Thunk.getAlignment());
+        offset = mem.alignForward(u64, offset, Thunk.getAlignment());
 
         const sym = zld.getSymbolPtr(atom.getSymbolWithLoc());
         sym.n_value = offset;
src/link/MachO/zld.zig
@@ -1207,7 +1207,7 @@ pub const Zld = struct {
 
     fn createSegments(self: *Zld) !void {
         const pagezero_vmsize = self.options.pagezero_size orelse MachO.default_pagezero_vmsize;
-        const aligned_pagezero_vmsize = mem.alignBackwardGeneric(u64, pagezero_vmsize, self.page_size);
+        const aligned_pagezero_vmsize = mem.alignBackward(u64, pagezero_vmsize, self.page_size);
         if (self.options.output_mode != .Lib and aligned_pagezero_vmsize > 0) {
             if (aligned_pagezero_vmsize != pagezero_vmsize) {
                 log.warn("requested __PAGEZERO size (0x{x}) is not page aligned", .{pagezero_vmsize});
@@ -1466,7 +1466,7 @@ pub const Zld = struct {
             while (true) {
                 const atom = self.getAtom(atom_index);
                 const atom_alignment = try math.powi(u32, 2, atom.alignment);
-                const atom_offset = mem.alignForwardGeneric(u64, header.size, atom_alignment);
+                const atom_offset = mem.alignForward(u64, header.size, atom_alignment);
                 const padding = atom_offset - header.size;
 
                 const sym = self.getSymbolPtr(atom.getSymbolWithLoc());
@@ -1534,7 +1534,7 @@ pub const Zld = struct {
         const slice = self.sections.slice();
         for (slice.items(.header)[indexes.start..indexes.end], 0..) |*header, sect_id| {
             const alignment = try math.powi(u32, 2, header.@"align");
-            const start_aligned = mem.alignForwardGeneric(u64, start, alignment);
+            const start_aligned = mem.alignForward(u64, start, alignment);
             const n_sect = @intCast(u8, indexes.start + sect_id + 1);
 
             header.offset = if (header.isZerofill())
@@ -1598,8 +1598,8 @@ pub const Zld = struct {
             segment.vmsize = start;
         }
 
-        segment.filesize = mem.alignForwardGeneric(u64, segment.filesize, self.page_size);
-        segment.vmsize = mem.alignForwardGeneric(u64, segment.vmsize, self.page_size);
+        segment.filesize = mem.alignForward(u64, segment.filesize, self.page_size);
+        segment.vmsize = mem.alignForward(u64, segment.vmsize, self.page_size);
     }
 
     const InitSectionOpts = struct {
@@ -1709,7 +1709,7 @@ pub const Zld = struct {
         try self.writeSymtabs();
 
         const seg = self.getLinkeditSegmentPtr();
-        seg.vmsize = mem.alignForwardGeneric(u64, seg.filesize, self.page_size);
+        seg.vmsize = mem.alignForward(u64, seg.filesize, self.page_size);
     }
 
     fn collectRebaseDataFromContainer(
@@ -2112,17 +2112,17 @@ pub const Zld = struct {
         assert(mem.isAlignedGeneric(u64, link_seg.fileoff, @alignOf(u64)));
         const rebase_off = link_seg.fileoff;
         const rebase_size = rebase.size();
-        const rebase_size_aligned = mem.alignForwardGeneric(u64, rebase_size, @alignOf(u64));
+        const rebase_size_aligned = mem.alignForward(u64, rebase_size, @alignOf(u64));
         log.debug("writing rebase info from 0x{x} to 0x{x}", .{ rebase_off, rebase_off + rebase_size_aligned });
 
         const bind_off = rebase_off + rebase_size_aligned;
         const bind_size = bind.size();
-        const bind_size_aligned = mem.alignForwardGeneric(u64, bind_size, @alignOf(u64));
+        const bind_size_aligned = mem.alignForward(u64, bind_size, @alignOf(u64));
         log.debug("writing bind info from 0x{x} to 0x{x}", .{ bind_off, bind_off + bind_size_aligned });
 
         const lazy_bind_off = bind_off + bind_size_aligned;
         const lazy_bind_size = lazy_bind.size();
-        const lazy_bind_size_aligned = mem.alignForwardGeneric(u64, lazy_bind_size, @alignOf(u64));
+        const lazy_bind_size_aligned = mem.alignForward(u64, lazy_bind_size, @alignOf(u64));
         log.debug("writing lazy bind info from 0x{x} to 0x{x}", .{
             lazy_bind_off,
             lazy_bind_off + lazy_bind_size_aligned,
@@ -2130,7 +2130,7 @@ pub const Zld = struct {
 
         const export_off = lazy_bind_off + lazy_bind_size_aligned;
         const export_size = trie.size;
-        const export_size_aligned = mem.alignForwardGeneric(u64, export_size, @alignOf(u64));
+        const export_size_aligned = mem.alignForward(u64, export_size, @alignOf(u64));
         log.debug("writing export trie from 0x{x} to 0x{x}", .{ export_off, export_off + export_size_aligned });
 
         const needed_size = math.cast(usize, export_off + export_size_aligned - rebase_off) orelse
@@ -2268,7 +2268,7 @@ pub const Zld = struct {
         const offset = link_seg.fileoff + link_seg.filesize;
         assert(mem.isAlignedGeneric(u64, offset, @alignOf(u64)));
         const needed_size = buffer.items.len;
-        const needed_size_aligned = mem.alignForwardGeneric(u64, needed_size, @alignOf(u64));
+        const needed_size_aligned = mem.alignForward(u64, needed_size, @alignOf(u64));
         const padding = math.cast(usize, needed_size_aligned - needed_size) orelse return error.Overflow;
         if (padding > 0) {
             try buffer.ensureUnusedCapacity(padding);
@@ -2347,7 +2347,7 @@ pub const Zld = struct {
         const offset = seg.fileoff + seg.filesize;
         assert(mem.isAlignedGeneric(u64, offset, @alignOf(u64)));
         const needed_size = out_dice.items.len * @sizeOf(macho.data_in_code_entry);
-        const needed_size_aligned = mem.alignForwardGeneric(u64, needed_size, @alignOf(u64));
+        const needed_size_aligned = mem.alignForward(u64, needed_size, @alignOf(u64));
         seg.filesize = offset + needed_size_aligned - seg.fileoff;
 
         const buffer = try self.gpa.alloc(u8, math.cast(usize, needed_size_aligned) orelse return error.Overflow);
@@ -2480,7 +2480,7 @@ pub const Zld = struct {
         const offset = seg.fileoff + seg.filesize;
         assert(mem.isAlignedGeneric(u64, offset, @alignOf(u64)));
         const needed_size = self.strtab.buffer.items.len;
-        const needed_size_aligned = mem.alignForwardGeneric(u64, needed_size, @alignOf(u64));
+        const needed_size_aligned = mem.alignForward(u64, needed_size, @alignOf(u64));
         seg.filesize = offset + needed_size_aligned - seg.fileoff;
 
         log.debug("writing string table from 0x{x} to 0x{x}", .{ offset, offset + needed_size_aligned });
@@ -2515,7 +2515,7 @@ pub const Zld = struct {
         const offset = seg.fileoff + seg.filesize;
         assert(mem.isAlignedGeneric(u64, offset, @alignOf(u64)));
         const needed_size = nindirectsyms * @sizeOf(u32);
-        const needed_size_aligned = mem.alignForwardGeneric(u64, needed_size, @alignOf(u64));
+        const needed_size_aligned = mem.alignForward(u64, needed_size, @alignOf(u64));
         seg.filesize = offset + needed_size_aligned - seg.fileoff;
 
         log.debug("writing indirect symbol table from 0x{x} to 0x{x}", .{ offset, offset + needed_size_aligned });
@@ -2690,7 +2690,7 @@ pub const Zld = struct {
 
                 for (subsections[0..count]) |cut| {
                     const size = cut.end - cut.start;
-                    const num_chunks = mem.alignForward(size, chunk_size) / chunk_size;
+                    const num_chunks = mem.alignForward(usize, size, chunk_size) / chunk_size;
 
                     var i: usize = 0;
                     while (i < num_chunks) : (i += 1) {
@@ -2725,10 +2725,10 @@ pub const Zld = struct {
         const seg = self.getLinkeditSegmentPtr();
         // Code signature data has to be 16-bytes aligned for Apple tools to recognize the file
         // https://github.com/opensource-apple/cctools/blob/fdb4825f303fd5c0751be524babd32958181b3ed/libstuff/checkout.c#L271
-        const offset = mem.alignForwardGeneric(u64, seg.fileoff + seg.filesize, 16);
+        const offset = mem.alignForward(u64, seg.fileoff + seg.filesize, 16);
         const needed_size = code_sig.estimateSize(offset);
         seg.filesize = offset + needed_size - seg.fileoff;
-        seg.vmsize = mem.alignForwardGeneric(u64, seg.filesize, self.page_size);
+        seg.vmsize = mem.alignForward(u64, seg.filesize, self.page_size);
         log.debug("writing code signature padding from 0x{x} to 0x{x}", .{ offset, offset + needed_size });
         // Pad out the space. We need to do this to calculate valid hashes for everything in the file
         // except for code signature data.
src/link/Coff.zig
@@ -437,10 +437,10 @@ fn allocateSection(self: *Coff, name: []const u8, size: u32, flags: coff.Section
     const vaddr = blk: {
         if (index == 0) break :blk self.page_size;
         const prev_header = self.sections.items(.header)[index - 1];
-        break :blk mem.alignForwardGeneric(u32, prev_header.virtual_address + prev_header.virtual_size, self.page_size);
+        break :blk mem.alignForward(u32, prev_header.virtual_address + prev_header.virtual_size, self.page_size);
     };
     // We commit more memory than needed upfront so that we don't have to reallocate too soon.
-    const memsz = mem.alignForwardGeneric(u32, size, self.page_size) * 100;
+    const memsz = mem.alignForward(u32, size, self.page_size) * 100;
     log.debug("found {s} free space 0x{x} to 0x{x} (0x{x} - 0x{x})", .{
         name,
         off,
@@ -505,8 +505,8 @@ fn growSection(self: *Coff, sect_id: u32, needed_size: u32) !void {
 fn growSectionVirtualMemory(self: *Coff, sect_id: u32, needed_size: u32) !void {
     const header = &self.sections.items(.header)[sect_id];
     const increased_size = padToIdeal(needed_size);
-    const old_aligned_end = header.virtual_address + mem.alignForwardGeneric(u32, header.virtual_size, self.page_size);
-    const new_aligned_end = header.virtual_address + mem.alignForwardGeneric(u32, increased_size, self.page_size);
+    const old_aligned_end = header.virtual_address + mem.alignForward(u32, header.virtual_size, self.page_size);
+    const new_aligned_end = header.virtual_address + mem.alignForward(u32, increased_size, self.page_size);
     const diff = new_aligned_end - old_aligned_end;
     log.debug("growing {s} in virtual memory by {x}", .{ self.getSectionName(header), diff });
 
@@ -567,7 +567,7 @@ fn allocateAtom(self: *Coff, atom_index: Atom.Index, new_atom_size: u32, alignme
             const ideal_capacity_end_vaddr = math.add(u32, sym.value, ideal_capacity) catch ideal_capacity;
             const capacity_end_vaddr = sym.value + capacity;
             const new_start_vaddr_unaligned = capacity_end_vaddr - new_atom_ideal_capacity;
-            const new_start_vaddr = mem.alignBackwardGeneric(u32, new_start_vaddr_unaligned, alignment);
+            const new_start_vaddr = mem.alignBackward(u32, new_start_vaddr_unaligned, alignment);
             if (new_start_vaddr < ideal_capacity_end_vaddr) {
                 // Additional bookkeeping here to notice if this free list node
                 // should be deleted because the atom that it points to has grown to take up
@@ -596,11 +596,11 @@ fn allocateAtom(self: *Coff, atom_index: Atom.Index, new_atom_size: u32, alignme
             const last_symbol = last.getSymbol(self);
             const ideal_capacity = if (header.isCode()) padToIdeal(last.size) else last.size;
             const ideal_capacity_end_vaddr = last_symbol.value + ideal_capacity;
-            const new_start_vaddr = mem.alignForwardGeneric(u32, ideal_capacity_end_vaddr, alignment);
+            const new_start_vaddr = mem.alignForward(u32, ideal_capacity_end_vaddr, alignment);
             atom_placement = last_index;
             break :blk new_start_vaddr;
         } else {
-            break :blk mem.alignForwardGeneric(u32, header.virtual_address, alignment);
+            break :blk mem.alignForward(u32, header.virtual_address, alignment);
         }
     };
 
@@ -722,7 +722,7 @@ pub fn createAtom(self: *Coff) !Atom.Index {
 fn growAtom(self: *Coff, atom_index: Atom.Index, new_atom_size: u32, alignment: u32) !u32 {
     const atom = self.getAtom(atom_index);
     const sym = atom.getSymbol(self);
-    const align_ok = mem.alignBackwardGeneric(u32, sym.value, alignment) == sym.value;
+    const align_ok = mem.alignBackward(u32, sym.value, alignment) == sym.value;
     const need_realloc = !align_ok or new_atom_size > atom.capacity(self);
     if (!need_realloc) return sym.value;
     return self.allocateAtom(atom_index, new_atom_size, alignment);
@@ -1798,7 +1798,7 @@ fn writeBaseRelocations(self: *Coff) !void {
 
             for (offsets.items) |offset| {
                 const rva = sym.value + offset;
-                const page = mem.alignBackwardGeneric(u32, rva, self.page_size);
+                const page = mem.alignBackward(u32, rva, self.page_size);
                 const gop = try page_table.getOrPut(page);
                 if (!gop.found_existing) {
                     gop.value_ptr.* = std.ArrayList(coff.BaseRelocation).init(gpa);
@@ -1819,7 +1819,7 @@ fn writeBaseRelocations(self: *Coff) !void {
                 if (sym.section_number == .UNDEFINED) continue;
 
                 const rva = @intCast(u32, header.virtual_address + index * self.ptr_width.size());
-                const page = mem.alignBackwardGeneric(u32, rva, self.page_size);
+                const page = mem.alignBackward(u32, rva, self.page_size);
                 const gop = try page_table.getOrPut(page);
                 if (!gop.found_existing) {
                     gop.value_ptr.* = std.ArrayList(coff.BaseRelocation).init(gpa);
@@ -1907,7 +1907,7 @@ fn writeImportTables(self: *Coff) !void {
         lookup_table_size += @intCast(u32, itable.entries.items.len + 1) * @sizeOf(coff.ImportLookupEntry64.ByName);
         for (itable.entries.items) |entry| {
             const sym_name = self.getSymbolName(entry);
-            names_table_size += 2 + mem.alignForwardGeneric(u32, @intCast(u32, sym_name.len + 1), 2);
+            names_table_size += 2 + mem.alignForward(u32, @intCast(u32, sym_name.len + 1), 2);
         }
         dll_names_size += @intCast(u32, lib_name.len + ext.len + 1);
     }
@@ -2102,7 +2102,7 @@ fn writeHeader(self: *Coff) !void {
     };
     const subsystem: coff.Subsystem = .WINDOWS_CUI;
     const size_of_image: u32 = self.getSizeOfImage();
-    const size_of_headers: u32 = mem.alignForwardGeneric(u32, self.getSizeOfHeaders(), default_file_alignment);
+    const size_of_headers: u32 = mem.alignForward(u32, self.getSizeOfHeaders(), default_file_alignment);
     const image_base = self.getImageBase();
 
     const base_of_code = self.sections.get(self.text_section_index.?).header.virtual_address;
@@ -2247,7 +2247,7 @@ fn allocatedSize(self: *Coff, start: u32) u32 {
 fn findFreeSpace(self: *Coff, object_size: u32, min_alignment: u32) u32 {
     var start: u32 = 0;
     while (self.detectAllocCollision(start, object_size)) |item_end| {
-        start = mem.alignForwardGeneric(u32, item_end, min_alignment);
+        start = mem.alignForward(u32, item_end, min_alignment);
     }
     return start;
 }
@@ -2294,9 +2294,9 @@ inline fn getSectionHeadersOffset(self: Coff) u32 {
 }
 
 inline fn getSizeOfImage(self: Coff) u32 {
-    var image_size: u32 = mem.alignForwardGeneric(u32, self.getSizeOfHeaders(), self.page_size);
+    var image_size: u32 = mem.alignForward(u32, self.getSizeOfHeaders(), self.page_size);
     for (self.sections.items(.header)) |header| {
-        image_size += mem.alignForwardGeneric(u32, header.virtual_size, self.page_size);
+        image_size += mem.alignForward(u32, header.virtual_size, self.page_size);
     }
     return image_size;
 }
src/link/Dwarf.zig
@@ -2152,7 +2152,7 @@ pub fn writeDbgAranges(self: *Dwarf, addr: u64, size: u64) !void {
     di_buf.appendAssumeCapacity(0); // segment_selector_size
 
     const end_header_offset = di_buf.items.len;
-    const begin_entries_offset = mem.alignForward(end_header_offset, ptr_width_bytes * 2);
+    const begin_entries_offset = mem.alignForward(usize, end_header_offset, ptr_width_bytes * 2);
     di_buf.appendNTimesAssumeCapacity(0, begin_entries_offset - end_header_offset);
 
     // Currently only one compilation unit is supported, so the address range is simply
src/link/Elf.zig
@@ -439,7 +439,7 @@ pub fn allocatedSize(self: *Elf, start: u64) u64 {
 pub fn findFreeSpace(self: *Elf, object_size: u64, min_alignment: u32) u64 {
     var start: u64 = 0;
     while (self.detectAllocCollision(start, object_size)) |item_end| {
-        start = mem.alignForwardGeneric(u64, item_end, min_alignment);
+        start = mem.alignForward(u64, item_end, min_alignment);
     }
     return start;
 }
@@ -1173,7 +1173,7 @@ pub fn flushModule(self: *Elf, comp: *Compilation, prog_node: *std.Progress.Node
             phdr_table.p_offset = self.findFreeSpace(needed_size, @intCast(u32, phdr_table.p_align));
         }
 
-        phdr_table_load.p_offset = mem.alignBackwardGeneric(u64, phdr_table.p_offset, phdr_table_load.p_align);
+        phdr_table_load.p_offset = mem.alignBackward(u64, phdr_table.p_offset, phdr_table_load.p_align);
         const load_align_offset = phdr_table.p_offset - phdr_table_load.p_offset;
         phdr_table_load.p_filesz = load_align_offset + needed_size;
         phdr_table_load.p_memsz = load_align_offset + needed_size;
@@ -2215,7 +2215,7 @@ fn shrinkAtom(self: *Elf, atom_index: Atom.Index, new_block_size: u64) void {
 fn growAtom(self: *Elf, atom_index: Atom.Index, new_block_size: u64, alignment: u64) !u64 {
     const atom = self.getAtom(atom_index);
     const sym = atom.getSymbol(self);
-    const align_ok = mem.alignBackwardGeneric(u64, sym.st_value, alignment) == sym.st_value;
+    const align_ok = mem.alignBackward(u64, sym.st_value, alignment) == sym.st_value;
     const need_realloc = !align_ok or new_block_size > atom.capacity(self);
     if (!need_realloc) return sym.st_value;
     return self.allocateAtom(atom_index, new_block_size, alignment);
@@ -2269,7 +2269,7 @@ fn allocateAtom(self: *Elf, atom_index: Atom.Index, new_block_size: u64, alignme
             const ideal_capacity_end_vaddr = std.math.add(u64, big_atom_sym.st_value, ideal_capacity) catch ideal_capacity;
             const capacity_end_vaddr = big_atom_sym.st_value + capacity;
             const new_start_vaddr_unaligned = capacity_end_vaddr - new_atom_ideal_capacity;
-            const new_start_vaddr = mem.alignBackwardGeneric(u64, new_start_vaddr_unaligned, alignment);
+            const new_start_vaddr = mem.alignBackward(u64, new_start_vaddr_unaligned, alignment);
             if (new_start_vaddr < ideal_capacity_end_vaddr) {
                 // Additional bookkeeping here to notice if this free list node
                 // should be deleted because the block that it points to has grown to take up
@@ -2298,7 +2298,7 @@ fn allocateAtom(self: *Elf, atom_index: Atom.Index, new_block_size: u64, alignme
             const last_sym = last.getSymbol(self);
             const ideal_capacity = padToIdeal(last_sym.st_size);
             const ideal_capacity_end_vaddr = last_sym.st_value + ideal_capacity;
-            const new_start_vaddr = mem.alignForwardGeneric(u64, ideal_capacity_end_vaddr, alignment);
+            const new_start_vaddr = mem.alignForward(u64, ideal_capacity_end_vaddr, alignment);
             // Set up the metadata to be updated, after errors are no longer possible.
             atom_placement = last_index;
             break :blk new_start_vaddr;
src/link/MachO.zig
@@ -1777,7 +1777,7 @@ fn shrinkAtom(self: *MachO, atom_index: Atom.Index, new_block_size: u64) void {
 fn growAtom(self: *MachO, atom_index: Atom.Index, new_atom_size: u64, alignment: u64) !u64 {
     const atom = self.getAtom(atom_index);
     const sym = atom.getSymbol(self);
-    const align_ok = mem.alignBackwardGeneric(u64, sym.n_value, alignment) == sym.n_value;
+    const align_ok = mem.alignBackward(u64, sym.n_value, alignment) == sym.n_value;
     const need_realloc = !align_ok or new_atom_size > atom.capacity(self);
     if (!need_realloc) return sym.n_value;
     return self.allocateAtom(atom_index, new_atom_size, alignment);
@@ -2598,7 +2598,7 @@ fn populateMissingMetadata(self: *MachO) !void {
         // The first __TEXT segment is immovable and covers MachO header and load commands.
         self.header_segment_cmd_index = @intCast(u8, self.segments.items.len);
         const ideal_size = @max(self.base.options.headerpad_size orelse 0, default_headerpad_size);
-        const needed_size = mem.alignForwardGeneric(u64, padToIdeal(ideal_size), self.page_size);
+        const needed_size = mem.alignForward(u64, padToIdeal(ideal_size), self.page_size);
 
         log.debug("found __TEXT segment (header-only) free space 0x{x} to 0x{x}", .{ 0, needed_size });
 
@@ -2735,7 +2735,7 @@ fn populateMissingMetadata(self: *MachO) !void {
 
 fn calcPagezeroSize(self: *MachO) u64 {
     const pagezero_vmsize = self.base.options.pagezero_size orelse default_pagezero_vmsize;
-    const aligned_pagezero_vmsize = mem.alignBackwardGeneric(u64, pagezero_vmsize, self.page_size);
+    const aligned_pagezero_vmsize = mem.alignBackward(u64, pagezero_vmsize, self.page_size);
     if (self.base.options.output_mode == .Lib) return 0;
     if (aligned_pagezero_vmsize == 0) return 0;
     if (aligned_pagezero_vmsize != pagezero_vmsize) {
@@ -2759,10 +2759,10 @@ fn allocateSection(self: *MachO, segname: []const u8, sectname: []const u8, opts
     const section_id = @intCast(u8, self.sections.slice().len);
     const vmaddr = blk: {
         const prev_segment = self.segments.items[segment_id - 1];
-        break :blk mem.alignForwardGeneric(u64, prev_segment.vmaddr + prev_segment.vmsize, self.page_size);
+        break :blk mem.alignForward(u64, prev_segment.vmaddr + prev_segment.vmsize, self.page_size);
     };
     // We commit more memory than needed upfront so that we don't have to reallocate too soon.
-    const vmsize = mem.alignForwardGeneric(u64, opts.size, self.page_size);
+    const vmsize = mem.alignForward(u64, opts.size, self.page_size);
     const off = self.findFreeSpace(opts.size, self.page_size);
 
     log.debug("found {s},{s} free space 0x{x} to 0x{x} (0x{x} - 0x{x})", .{
@@ -2790,8 +2790,8 @@ fn allocateSection(self: *MachO, segname: []const u8, sectname: []const u8, opts
     var section = macho.section_64{
         .sectname = makeStaticString(sectname),
         .segname = makeStaticString(segname),
-        .addr = mem.alignForwardGeneric(u64, vmaddr, opts.alignment),
-        .offset = mem.alignForwardGeneric(u32, @intCast(u32, off), opts.alignment),
+        .addr = mem.alignForward(u64, vmaddr, opts.alignment),
+        .offset = mem.alignForward(u32, @intCast(u32, off), opts.alignment),
         .size = opts.size,
         .@"align" = math.log2(opts.alignment),
         .flags = opts.flags,
@@ -2846,8 +2846,8 @@ fn growSection(self: *MachO, sect_id: u8, needed_size: u64) !void {
     }
 
     header.size = needed_size;
-    segment.filesize = mem.alignForwardGeneric(u64, needed_size, self.page_size);
-    segment.vmsize = mem.alignForwardGeneric(u64, needed_size, self.page_size);
+    segment.filesize = mem.alignForward(u64, needed_size, self.page_size);
+    segment.vmsize = mem.alignForward(u64, needed_size, self.page_size);
 }
 
 fn growSectionVirtualMemory(self: *MachO, sect_id: u8, needed_size: u64) !void {
@@ -2855,7 +2855,7 @@ fn growSectionVirtualMemory(self: *MachO, sect_id: u8, needed_size: u64) !void {
     const segment = self.getSegmentPtr(sect_id);
     const increased_size = padToIdeal(needed_size);
     const old_aligned_end = segment.vmaddr + segment.vmsize;
-    const new_aligned_end = segment.vmaddr + mem.alignForwardGeneric(u64, increased_size, self.page_size);
+    const new_aligned_end = segment.vmaddr + mem.alignForward(u64, increased_size, self.page_size);
     const diff = new_aligned_end - old_aligned_end;
     log.debug("shifting every segment after {s},{s} in virtual memory by {x}", .{
         header.segName(),
@@ -2927,7 +2927,7 @@ fn allocateAtom(self: *MachO, atom_index: Atom.Index, new_atom_size: u64, alignm
             const ideal_capacity_end_vaddr = math.add(u64, sym.n_value, ideal_capacity) catch ideal_capacity;
             const capacity_end_vaddr = sym.n_value + capacity;
             const new_start_vaddr_unaligned = capacity_end_vaddr - new_atom_ideal_capacity;
-            const new_start_vaddr = mem.alignBackwardGeneric(u64, new_start_vaddr_unaligned, alignment);
+            const new_start_vaddr = mem.alignBackward(u64, new_start_vaddr_unaligned, alignment);
             if (new_start_vaddr < ideal_capacity_end_vaddr) {
                 // Additional bookkeeping here to notice if this free list node
                 // should be deleted because the atom that it points to has grown to take up
@@ -2956,11 +2956,11 @@ fn allocateAtom(self: *MachO, atom_index: Atom.Index, new_atom_size: u64, alignm
             const last_symbol = last.getSymbol(self);
             const ideal_capacity = if (requires_padding) padToIdeal(last.size) else last.size;
             const ideal_capacity_end_vaddr = last_symbol.n_value + ideal_capacity;
-            const new_start_vaddr = mem.alignForwardGeneric(u64, ideal_capacity_end_vaddr, alignment);
+            const new_start_vaddr = mem.alignForward(u64, ideal_capacity_end_vaddr, alignment);
             atom_placement = last_index;
             break :blk new_start_vaddr;
         } else {
-            break :blk mem.alignForwardGeneric(u64, segment.vmaddr, alignment);
+            break :blk mem.alignForward(u64, segment.vmaddr, alignment);
         }
     };
 
@@ -3034,17 +3034,17 @@ fn writeLinkeditSegmentData(self: *MachO) !void {
     for (self.segments.items, 0..) |segment, id| {
         if (self.linkedit_segment_cmd_index.? == @intCast(u8, id)) continue;
         if (seg.vmaddr < segment.vmaddr + segment.vmsize) {
-            seg.vmaddr = mem.alignForwardGeneric(u64, segment.vmaddr + segment.vmsize, self.page_size);
+            seg.vmaddr = mem.alignForward(u64, segment.vmaddr + segment.vmsize, self.page_size);
         }
         if (seg.fileoff < segment.fileoff + segment.filesize) {
-            seg.fileoff = mem.alignForwardGeneric(u64, segment.fileoff + segment.filesize, self.page_size);
+            seg.fileoff = mem.alignForward(u64, segment.fileoff + segment.filesize, self.page_size);
         }
     }
 
     try self.writeDyldInfoData();
     try self.writeSymtabs();
 
-    seg.vmsize = mem.alignForwardGeneric(u64, seg.filesize, self.page_size);
+    seg.vmsize = mem.alignForward(u64, seg.filesize, self.page_size);
 }
 
 fn collectRebaseDataFromTableSection(self: *MachO, sect_id: u8, rebase: *Rebase, table: anytype) !void {
@@ -3236,17 +3236,17 @@ fn writeDyldInfoData(self: *MachO) !void {
     assert(mem.isAlignedGeneric(u64, link_seg.fileoff, @alignOf(u64)));
     const rebase_off = link_seg.fileoff;
     const rebase_size = rebase.size();
-    const rebase_size_aligned = mem.alignForwardGeneric(u64, rebase_size, @alignOf(u64));
+    const rebase_size_aligned = mem.alignForward(u64, rebase_size, @alignOf(u64));
     log.debug("writing rebase info from 0x{x} to 0x{x}", .{ rebase_off, rebase_off + rebase_size_aligned });
 
     const bind_off = rebase_off + rebase_size_aligned;
     const bind_size = bind.size();
-    const bind_size_aligned = mem.alignForwardGeneric(u64, bind_size, @alignOf(u64));
+    const bind_size_aligned = mem.alignForward(u64, bind_size, @alignOf(u64));
     log.debug("writing bind info from 0x{x} to 0x{x}", .{ bind_off, bind_off + bind_size_aligned });
 
     const lazy_bind_off = bind_off + bind_size_aligned;
     const lazy_bind_size = lazy_bind.size();
-    const lazy_bind_size_aligned = mem.alignForwardGeneric(u64, lazy_bind_size, @alignOf(u64));
+    const lazy_bind_size_aligned = mem.alignForward(u64, lazy_bind_size, @alignOf(u64));
     log.debug("writing lazy bind info from 0x{x} to 0x{x}", .{
         lazy_bind_off,
         lazy_bind_off + lazy_bind_size_aligned,
@@ -3254,7 +3254,7 @@ fn writeDyldInfoData(self: *MachO) !void {
 
     const export_off = lazy_bind_off + lazy_bind_size_aligned;
     const export_size = trie.size;
-    const export_size_aligned = mem.alignForwardGeneric(u64, export_size, @alignOf(u64));
+    const export_size_aligned = mem.alignForward(u64, export_size, @alignOf(u64));
     log.debug("writing export trie from 0x{x} to 0x{x}", .{ export_off, export_off + export_size_aligned });
 
     const needed_size = math.cast(usize, export_off + export_size_aligned - rebase_off) orelse
@@ -3412,7 +3412,7 @@ fn writeStrtab(self: *MachO) !void {
     const offset = seg.fileoff + seg.filesize;
     assert(mem.isAlignedGeneric(u64, offset, @alignOf(u64)));
     const needed_size = self.strtab.buffer.items.len;
-    const needed_size_aligned = mem.alignForwardGeneric(u64, needed_size, @alignOf(u64));
+    const needed_size_aligned = mem.alignForward(u64, needed_size, @alignOf(u64));
     seg.filesize = offset + needed_size_aligned - seg.fileoff;
 
     log.debug("writing string table from 0x{x} to 0x{x}", .{ offset, offset + needed_size_aligned });
@@ -3447,7 +3447,7 @@ fn writeDysymtab(self: *MachO, ctx: SymtabCtx) !void {
     const offset = seg.fileoff + seg.filesize;
     assert(mem.isAlignedGeneric(u64, offset, @alignOf(u64)));
     const needed_size = nindirectsyms * @sizeOf(u32);
-    const needed_size_aligned = mem.alignForwardGeneric(u64, needed_size, @alignOf(u64));
+    const needed_size_aligned = mem.alignForward(u64, needed_size, @alignOf(u64));
     seg.filesize = offset + needed_size_aligned - seg.fileoff;
 
     log.debug("writing indirect symbol table from 0x{x} to 0x{x}", .{ offset, offset + needed_size_aligned });
@@ -3514,10 +3514,10 @@ fn writeCodeSignaturePadding(self: *MachO, code_sig: *CodeSignature) !void {
     const seg = self.getLinkeditSegmentPtr();
     // Code signature data has to be 16-bytes aligned for Apple tools to recognize the file
     // https://github.com/opensource-apple/cctools/blob/fdb4825f303fd5c0751be524babd32958181b3ed/libstuff/checkout.c#L271
-    const offset = mem.alignForwardGeneric(u64, seg.fileoff + seg.filesize, 16);
+    const offset = mem.alignForward(u64, seg.fileoff + seg.filesize, 16);
     const needed_size = code_sig.estimateSize(offset);
     seg.filesize = offset + needed_size - seg.fileoff;
-    seg.vmsize = mem.alignForwardGeneric(u64, seg.filesize, self.page_size);
+    seg.vmsize = mem.alignForward(u64, seg.filesize, self.page_size);
     log.debug("writing code signature padding from 0x{x} to 0x{x}", .{ offset, offset + needed_size });
     // Pad out the space. We need to do this to calculate valid hashes for everything in the file
     // except for code signature data.
@@ -3630,7 +3630,7 @@ fn allocatedSize(self: *MachO, start: u64) u64 {
 fn findFreeSpace(self: *MachO, object_size: u64, min_alignment: u32) u64 {
     var start: u64 = 0;
     while (self.detectAllocCollision(start, object_size)) |item_end| {
-        start = mem.alignForwardGeneric(u64, item_end, min_alignment);
+        start = mem.alignForward(u64, item_end, min_alignment);
     }
     return start;
 }
src/link/Wasm.zig
@@ -2118,7 +2118,7 @@ fn allocateAtoms(wasm: *Wasm) !void {
                     }
                 }
             }
-            offset = std.mem.alignForwardGeneric(u32, offset, atom.alignment);
+            offset = std.mem.alignForward(u32, offset, atom.alignment);
             atom.offset = offset;
             log.debug("Atom '{s}' allocated from 0x{x:0>8} to 0x{x:0>8} size={d}", .{
                 symbol_loc.getName(wasm),
@@ -2129,7 +2129,7 @@ fn allocateAtoms(wasm: *Wasm) !void {
             offset += atom.size;
             atom_index = atom.prev orelse break;
         }
-        segment.size = std.mem.alignForwardGeneric(u32, offset, segment.alignment);
+        segment.size = std.mem.alignForward(u32, offset, segment.alignment);
     }
 }
 
@@ -2731,7 +2731,7 @@ fn setupMemory(wasm: *Wasm) !void {
     const is_obj = wasm.base.options.output_mode == .Obj;
 
     if (place_stack_first and !is_obj) {
-        memory_ptr = std.mem.alignForwardGeneric(u64, memory_ptr, stack_alignment);
+        memory_ptr = std.mem.alignForward(u64, memory_ptr, stack_alignment);
         memory_ptr += stack_size;
         // We always put the stack pointer global at index 0
         wasm.wasm_globals.items[0].init.i32_const = @bitCast(i32, @intCast(u32, memory_ptr));
@@ -2741,7 +2741,7 @@ fn setupMemory(wasm: *Wasm) !void {
     var data_seg_it = wasm.data_segments.iterator();
     while (data_seg_it.next()) |entry| {
         const segment = &wasm.segments.items[entry.value_ptr.*];
-        memory_ptr = std.mem.alignForwardGeneric(u64, memory_ptr, segment.alignment);
+        memory_ptr = std.mem.alignForward(u64, memory_ptr, segment.alignment);
 
         // set TLS-related symbols
         if (mem.eql(u8, entry.key_ptr.*, ".tdata")) {
@@ -2779,7 +2779,7 @@ fn setupMemory(wasm: *Wasm) !void {
     // create the memory init flag which is used by the init memory function
     if (wasm.base.options.shared_memory and wasm.hasPassiveInitializationSegments()) {
         // align to pointer size
-        memory_ptr = mem.alignForwardGeneric(u64, memory_ptr, 4);
+        memory_ptr = mem.alignForward(u64, memory_ptr, 4);
         const loc = try wasm.createSyntheticSymbol("__wasm_init_memory_flag", .data);
         const sym = loc.getSymbol(wasm);
         sym.virtual_address = @intCast(u32, memory_ptr);
@@ -2787,7 +2787,7 @@ fn setupMemory(wasm: *Wasm) !void {
     }
 
     if (!place_stack_first and !is_obj) {
-        memory_ptr = std.mem.alignForwardGeneric(u64, memory_ptr, stack_alignment);
+        memory_ptr = std.mem.alignForward(u64, memory_ptr, stack_alignment);
         memory_ptr += stack_size;
         wasm.wasm_globals.items[0].init.i32_const = @bitCast(i32, @intCast(u32, memory_ptr));
     }
@@ -2796,7 +2796,7 @@ fn setupMemory(wasm: *Wasm) !void {
     // We must set its virtual address so it can be used in relocations.
     if (wasm.findGlobalSymbol("__heap_base")) |loc| {
         const symbol = loc.getSymbol(wasm);
-        symbol.virtual_address = @intCast(u32, mem.alignForwardGeneric(u64, memory_ptr, heap_alignment));
+        symbol.virtual_address = @intCast(u32, mem.alignForward(u64, memory_ptr, heap_alignment));
     }
 
     // Setup the max amount of pages
@@ -2818,7 +2818,7 @@ fn setupMemory(wasm: *Wasm) !void {
         }
         memory_ptr = initial_memory;
     }
-    memory_ptr = mem.alignForwardGeneric(u64, memory_ptr, std.wasm.page_size);
+    memory_ptr = mem.alignForward(u64, memory_ptr, std.wasm.page_size);
     // In case we do not import memory, but define it ourselves,
     // set the minimum amount of pages on the memory section.
     wasm.memories.limits.min = @intCast(u32, memory_ptr / page_size);
src/codegen.zig
@@ -290,7 +290,7 @@ pub fn generateSymbol(
                     .fail => |em| return .{ .fail = em },
                 }
                 const unpadded_end = code.items.len - begin;
-                const padded_end = mem.alignForwardGeneric(u64, unpadded_end, abi_align);
+                const padded_end = mem.alignForward(u64, unpadded_end, abi_align);
                 const padding = math.cast(usize, padded_end - unpadded_end) orelse return error.Overflow;
 
                 if (padding > 0) {
@@ -303,7 +303,7 @@ pub fn generateSymbol(
                 const begin = code.items.len;
                 try code.writer().writeInt(u16, err_val, endian);
                 const unpadded_end = code.items.len - begin;
-                const padded_end = mem.alignForwardGeneric(u64, unpadded_end, abi_align);
+                const padded_end = mem.alignForward(u64, unpadded_end, abi_align);
                 const padding = math.cast(usize, padded_end - unpadded_end) orelse return error.Overflow;
 
                 if (padding > 0) {
@@ -1020,7 +1020,7 @@ pub fn errUnionPayloadOffset(payload_ty: Type, mod: *Module) u64 {
     if (payload_align >= error_align or !payload_ty.hasRuntimeBitsIgnoreComptime(mod)) {
         return 0;
     } else {
-        return mem.alignForwardGeneric(u64, Type.anyerror.abiSize(mod), payload_align);
+        return mem.alignForward(u64, Type.anyerror.abiSize(mod), payload_align);
     }
 }
 
@@ -1029,7 +1029,7 @@ pub fn errUnionErrorOffset(payload_ty: Type, mod: *Module) u64 {
     const payload_align = payload_ty.abiAlignment(mod);
     const error_align = Type.anyerror.abiAlignment(mod);
     if (payload_align >= error_align and payload_ty.hasRuntimeBitsIgnoreComptime(mod)) {
-        return mem.alignForwardGeneric(u64, payload_ty.abiSize(mod), error_align);
+        return mem.alignForward(u64, payload_ty.abiSize(mod), error_align);
     } else {
         return 0;
     }
src/Module.zig
@@ -1293,7 +1293,7 @@ pub const Union = struct {
         payload_align = @max(payload_align, 1);
         if (!have_tag or !u.tag_ty.hasRuntimeBits(mod)) {
             return .{
-                .abi_size = std.mem.alignForwardGeneric(u64, payload_size, payload_align),
+                .abi_size = std.mem.alignForward(u64, payload_size, payload_align),
                 .abi_align = payload_align,
                 .most_aligned_field = most_aligned_field,
                 .most_aligned_field_size = most_aligned_field_size,
@@ -1314,18 +1314,18 @@ pub const Union = struct {
         if (tag_align >= payload_align) {
             // {Tag, Payload}
             size += tag_size;
-            size = std.mem.alignForwardGeneric(u64, size, payload_align);
+            size = std.mem.alignForward(u64, size, payload_align);
             size += payload_size;
             const prev_size = size;
-            size = std.mem.alignForwardGeneric(u64, size, tag_align);
+            size = std.mem.alignForward(u64, size, tag_align);
             padding = @intCast(u32, size - prev_size);
         } else {
             // {Payload, Tag}
             size += payload_size;
-            size = std.mem.alignForwardGeneric(u64, size, tag_align);
+            size = std.mem.alignForward(u64, size, tag_align);
             size += tag_size;
             const prev_size = size;
-            size = std.mem.alignForwardGeneric(u64, size, payload_align);
+            size = std.mem.alignForward(u64, size, payload_align);
             padding = @intCast(u32, size - prev_size);
         }
         return .{
src/objcopy.zig
@@ -1024,7 +1024,7 @@ fn ElfFile(comptime is_64: bool) type {
                         dest.sh_size = @intCast(Elf_OffSize, data.len);
 
                     const addralign = if (src.sh_addralign == 0 or dest.sh_type == elf.SHT_NOBITS) 1 else src.sh_addralign;
-                    dest.sh_offset = std.mem.alignForwardGeneric(Elf_OffSize, eof_offset, addralign);
+                    dest.sh_offset = std.mem.alignForward(Elf_OffSize, eof_offset, addralign);
                     if (src.sh_offset != dest.sh_offset and section.segment != null and update.action != .empty and dest.sh_type != elf.SHT_NOTE) {
                         if (src.sh_offset > dest.sh_offset) {
                             dest.sh_offset = src.sh_offset; // add padding to avoid modifing the program segments
@@ -1085,7 +1085,7 @@ fn ElfFile(comptime is_64: bool) type {
                 // add a ".gnu_debuglink" section
                 if (options.debuglink) |link| {
                     const payload = payload: {
-                        const crc_offset = std.mem.alignForward(link.name.len + 1, 4);
+                        const crc_offset = std.mem.alignForward(usize, link.name.len + 1, 4);
                         const buf = try allocator.alignedAlloc(u8, 4, crc_offset + 4);
                         @memcpy(buf[0..link.name.len], link.name);
                         @memset(buf[link.name.len..crc_offset], 0);
@@ -1117,7 +1117,7 @@ fn ElfFile(comptime is_64: bool) type {
 
             // write the section header at the tail
             {
-                const offset = std.mem.alignForwardGeneric(Elf_OffSize, eof_offset, @alignOf(Elf_Shdr));
+                const offset = std.mem.alignForward(Elf_OffSize, eof_offset, @alignOf(Elf_Shdr));
 
                 const data = std.mem.sliceAsBytes(updated_section_header);
                 assert(data.len == @as(usize, updated_elf_header.e_shentsize) * new_shnum);
src/type.zig
@@ -1339,7 +1339,7 @@ pub const Type = struct {
                             .storage = .{ .lazy_size = ty.toIntern() },
                         } })).toValue() },
                     };
-                    const result = std.mem.alignForwardGeneric(u32, total_bytes, alignment);
+                    const result = std.mem.alignForward(u32, total_bytes, alignment);
                     return AbiSizeAdvanced{ .scalar = result };
                 },
 
@@ -1380,14 +1380,14 @@ pub const Type = struct {
                     var size: u64 = 0;
                     if (code_align > payload_align) {
                         size += code_size;
-                        size = std.mem.alignForwardGeneric(u64, size, payload_align);
+                        size = std.mem.alignForward(u64, size, payload_align);
                         size += payload_size;
-                        size = std.mem.alignForwardGeneric(u64, size, code_align);
+                        size = std.mem.alignForward(u64, size, code_align);
                     } else {
                         size += payload_size;
-                        size = std.mem.alignForwardGeneric(u64, size, code_align);
+                        size = std.mem.alignForward(u64, size, code_align);
                         size += code_size;
-                        size = std.mem.alignForwardGeneric(u64, size, payload_align);
+                        size = std.mem.alignForward(u64, size, payload_align);
                     }
                     return AbiSizeAdvanced{ .scalar = size };
                 },
@@ -1595,7 +1595,7 @@ pub const Type = struct {
 
     fn intAbiSize(bits: u16, target: Target) u64 {
         const alignment = intAbiAlignment(bits, target);
-        return std.mem.alignForwardGeneric(u64, @intCast(u16, (@as(u17, bits) + 7) / 8), alignment);
+        return std.mem.alignForward(u64, @intCast(u16, (@as(u17, bits) + 7) / 8), alignment);
     }
 
     fn intAbiAlignment(bits: u16, target: Target) u32 {
@@ -3194,7 +3194,7 @@ pub const Type = struct {
 
             const field_align = field.alignment(mod, it.struct_obj.layout);
             it.big_align = @max(it.big_align, field_align);
-            const field_offset = std.mem.alignForwardGeneric(u64, it.offset, field_align);
+            const field_offset = std.mem.alignForward(u64, it.offset, field_align);
             it.offset = field_offset + field.ty.abiSize(mod);
             return FieldOffset{ .field = i, .offset = field_offset };
         }
@@ -3223,7 +3223,7 @@ pub const Type = struct {
                         return field_offset.offset;
                 }
 
-                return std.mem.alignForwardGeneric(u64, it.offset, @max(it.big_align, 1));
+                return std.mem.alignForward(u64, it.offset, @max(it.big_align, 1));
             },
 
             .anon_struct_type => |tuple| {
@@ -3239,11 +3239,11 @@ pub const Type = struct {
 
                     const field_align = field_ty.toType().abiAlignment(mod);
                     big_align = @max(big_align, field_align);
-                    offset = std.mem.alignForwardGeneric(u64, offset, field_align);
+                    offset = std.mem.alignForward(u64, offset, field_align);
                     if (i == index) return offset;
                     offset += field_ty.toType().abiSize(mod);
                 }
-                offset = std.mem.alignForwardGeneric(u64, offset, @max(big_align, 1));
+                offset = std.mem.alignForward(u64, offset, @max(big_align, 1));
                 return offset;
             },
 
@@ -3254,7 +3254,7 @@ pub const Type = struct {
                 const layout = union_obj.getLayout(mod, true);
                 if (layout.tag_align >= layout.payload_align) {
                     // {Tag, Payload}
-                    return std.mem.alignForwardGeneric(u64, layout.tag_size, layout.payload_align);
+                    return std.mem.alignForward(u64, layout.tag_size, layout.payload_align);
                 } else {
                     // {Payload, Tag}
                     return 0;