diff options
Diffstat (limited to 'src/codegen.zig')
| -rw-r--r-- | src/codegen.zig | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/src/codegen.zig b/src/codegen.zig index 1478ede6ff..df04a740b9 100644 --- a/src/codegen.zig +++ b/src/codegen.zig @@ -2693,9 +2693,9 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type { switch (abi_size) { 1, 4 => { - const offset = if (adj_off <= math.maxInt(u12)) blk: { - break :blk Instruction.Offset.imm(@intCast(u12, adj_off)); - } else Instruction.Offset.reg(try self.copyToTmpRegister(src, MCValue{ .immediate = adj_off }), 0); + const offset = if (math.cast(u12, adj_off)) |imm| blk: { + break :blk Instruction.Offset.imm(imm); + } else |_| Instruction.Offset.reg(try self.copyToTmpRegister(src, MCValue{ .immediate = adj_off }), 0); const str = switch (abi_size) { 1 => Instruction.strb, 4 => Instruction.str, @@ -2856,12 +2856,13 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type { switch (abi_size) { 4, 8 => { - const offset = if (adj_off <= math.maxInt(u12)) blk: { - break :blk Instruction.LoadStoreOffset.imm(@intCast(u12, adj_off)); - } else Instruction.LoadStoreOffset.reg(try self.copyToTmpRegister(src, MCValue{ .immediate = adj_off })); - const rn: Register = switch (abi_size) { - 4 => .w29, - 8 => .x29, + const offset = if (math.cast(i9, adj_off)) |imm| + Instruction.LoadStoreOffset.imm_post_index(-imm) + else |_| + Instruction.LoadStoreOffset.reg(try self.copyToTmpRegister(src, MCValue{ .immediate = adj_off })); + const rn: Register = switch (arch) { + .aarch64, .aarch64_be => .x29, + .aarch64_32 => .w29, else => unreachable, }; |