TCGv_i32 tcg_rmode = NULL;
TCGv_ptr tcg_fpstatus = NULL;
bool need_rmode = false;
+ bool need_fpst = true;
int rmode;
if (!arm_dc_feature(s, ARM_FEATURE_V8_FP16)) {
need_rmode = true;
rmode = FPROUNDING_ZERO;
break;
+ case 0x2f: /* FABS */
+ case 0x6f: /* FNEG */
+ need_fpst = false;
+ break;
default:
fprintf(stderr, "%s: insn %#04x fpop %#2x\n", __func__, insn, fpop);
g_assert_not_reached();
return;
}
- if (need_rmode) {
+ if (need_rmode || need_fpst) {
tcg_fpstatus = get_fpstatus_ptr(true);
}
case 0x7b: /* FCVTZU */
gen_helper_advsimd_f16touinth(tcg_res, tcg_op, tcg_fpstatus);
break;
+ case 0x6f: /* FNEG */
+ tcg_gen_xori_i32(tcg_res, tcg_op, 0x8000);
+ break;
default:
g_assert_not_reached();
}
case 0x59: /* FRINTX */
gen_helper_advsimd_rinth_exact(tcg_res, tcg_op, tcg_fpstatus);
break;
+ case 0x2f: /* FABS */
+ tcg_gen_andi_i32(tcg_res, tcg_op, 0x7fff);
+ break;
+ case 0x6f: /* FNEG */
+ tcg_gen_xori_i32(tcg_res, tcg_op, 0x8000);
+ break;
default:
g_assert_not_reached();
}