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Codegen: Move REX assert to comptime

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Noam Preil 2020-08-21 18:25:46 -04:00 committed by Andrew Kelley
parent ad9df43e49
commit 24efbf5ddf
1 changed files with 1 additions and 1 deletions
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src-self-hosted/codegen.zig
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@ -1776,7 +1776,7 @@ fn Function(comptime arch: std.Target.Cpu.Arch) type {
/// X => extension to the SIB.index field
/// B => extension to the MODRM.rm field or the SIB.base field
fn rex(self: *Self, arg: struct { b: bool = false, w: bool = false, x: bool = false, r: bool = false }) void {
std.debug.assert(arch == .x86_64);
comptime assert(arch == .x86_64);
// From section 2.2.1.2 of the manual, REX is encoded as b0100WRXB.
var value: u8 = 0x40;
if (arg.b) {