On Fri, Feb 27, 2026 at 11:19:32AM +0800, Yifan Wu wrote:
> static void cmpbr_sigill(void)
> {
> - /* Not implemented, too complicated and unreliable anyway */
> + /* CBEQ x0, x0, +8 */
> + asm volatile(".inst 0x74C00040" : : : "x0");
> + /* UDF #0 */
> + asm volatile("udf #0" : : : );
> }I don't expect it to make a difference but it'd be nice if these were a single asm volatile statement, just to make it absolutely clear that no instrumentation or anything is supposed to go between the two.
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