On Wed, 27 Aug 2025 04:04, Richard Henderson <richard.hender...@linaro.org> wrote: >Signed-off-by: Richard Henderson <richard.hender...@linaro.org> >---
Reviewed-by: Manos Pitsidianakis <manos.pitsidiana...@linaro.org> > target/arm/helper.c | 5 +++++ > 1 file changed, 5 insertions(+) > >diff --git a/target/arm/helper.c b/target/arm/helper.c >index 64a987d143..3b765408f2 100644 >--- a/target/arm/helper.c >+++ b/target/arm/helper.c >@@ -7353,6 +7353,11 @@ void define_one_arm_cp_reg(ARMCPU *cpu, const >ARMCPRegInfo *r) > assert(r->state == ARM_CP_STATE_AA32 || !(r->type & ARM_CP_64BIT)); > /* AArch32 64-bit registers have only CRm and Opc1 fields. */ > assert(!(r->type & ARM_CP_64BIT) || !(r->opc2 || r->crn)); >+ /* >+ * Only AArch64 regs are 128-bit. There is usually an AArch32 64-bit >+ * alias, but must be defined separately due to encoding conflicts above. >+ */ >+ assert(r->state == ARM_CP_STATE_AA64 || !(r->type & ARM_CP_128BIT)); > /* op0 only exists in the AArch64 encodings */ > assert(r->state != ARM_CP_STATE_AA32 || r->opc0 == 0); > >-- >2.43.0 > >