vfp_get_fpcr(env), vfp_get_fpsr(env));
if (cpu_isar_feature(aa64_sve, cpu) && sve_exception_el(env, el) == 0) {
- int j, zcr_len = sve_zcr_len_for_el(env, el);
+ int j, zcr_len = sve_vqm1_for_el(env, el);
for (i = 0; i <= FFR_PRED_NUM; i++) {
bool eol;
int fp_exception_el(CPUARMState *env, int cur_el);
int sve_exception_el(CPUARMState *env, int cur_el);
-uint32_t sve_zcr_len_for_el(CPUARMState *env, int el);
+
+/**
+ * sve_vqm1_for_el:
+ * @env: CPUARMState
+ * @el: exception level
+ *
+ * Compute the current SVE vector length for @el, in units of
+ * Quadwords Minus 1 -- the same scale used for ZCR_ELx.LEN.
+ */
+uint32_t sve_vqm1_for_el(CPUARMState *env, int el);
static inline bool is_a64(CPUARMState *env)
{
/*
* Given that SVE is enabled, return the vector length for EL.
*/
-uint32_t sve_zcr_len_for_el(CPUARMState *env, int el)
+uint32_t sve_vqm1_for_el(CPUARMState *env, int el)
{
ARMCPU *cpu = env_archcpu(env);
uint32_t len = cpu->sve_max_vq - 1;
uint64_t value)
{
int cur_el = arm_current_el(env);
- int old_len = sve_zcr_len_for_el(env, cur_el);
+ int old_len = sve_vqm1_for_el(env, cur_el);
int new_len;
/* Bits other than [3:0] are RAZ/WI. */
* Because we arrived here, we know both FP and SVE are enabled;
* otherwise we would have trapped access to the ZCR_ELn register.
*/
- new_len = sve_zcr_len_for_el(env, cur_el);
+ new_len = sve_vqm1_for_el(env, cur_el);
if (new_len < old_len) {
aarch64_sve_narrow_vq(env, new_len + 1);
}
sve_el = 0;
}
} else if (sve_el == 0) {
- DP_TBFLAG_A64(flags, VL, sve_zcr_len_for_el(env, el));
+ DP_TBFLAG_A64(flags, VL, sve_vqm1_for_el(env, el));
}
DP_TBFLAG_A64(flags, SVEEXC_EL, sve_el);
}
*/
old_a64 = old_el ? arm_el_is_aa64(env, old_el) : el0_a64;
old_len = (old_a64 && !sve_exception_el(env, old_el)
- ? sve_zcr_len_for_el(env, old_el) : 0);
+ ? sve_vqm1_for_el(env, old_el) : 0);
new_a64 = new_el ? arm_el_is_aa64(env, new_el) : el0_a64;
new_len = (new_a64 && !sve_exception_el(env, new_el)
- ? sve_zcr_len_for_el(env, new_el) : 0);
+ ? sve_vqm1_for_el(env, new_el) : 0);
/* When changing vector length, clear inaccessible state. */
if (new_len < old_len) {