[Qemu-devel] [PATCH 4/9] target-arm: Add support for AArch32 FP VRINTZ

[Will Newton]

Add support for the AArch32 floating-point VRINTZ instruction.

Signed-off-by: Will Newton <will.new...@linaro.org>
---
 target-arm/translate.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/target-arm/translate.c b/target-arm/translate.c
index 73e0e8d..153d0e6 100644
--- a/target-arm/translate.c
+++ b/target-arm/translate.c
@@ -3385,6 +3385,27 @@ static int disas_vfp_insn(CPUARMState * env, 
DisasContext *s, uint32_t insn)
                             tcg_temp_free_ptr(fpst);
                         }
                         break;
+                    case 13: /* vrintz */
+                        if (dp) {
+                            TCGv_ptr fpst = get_fpstatus_ptr(0);
+                            TCGv_i32 tcg_rmode;
+                            tcg_rmode = tcg_const_i32(float_round_to_zero);
+                            gen_helper_set_rmode(tcg_rmode, tcg_rmode, 
cpu_env);
+                            gen_helper_rintd(cpu_F0d, cpu_F0d, fpst);
+                            gen_helper_set_rmode(tcg_rmode, tcg_rmode, 
cpu_env);
+                            tcg_temp_free_i32(tcg_rmode);
+                            tcg_temp_free_ptr(fpst);
+                        } else {
+                            TCGv_ptr fpst = get_fpstatus_ptr(0);
+                            TCGv_i32 tcg_rmode;
+                            tcg_rmode = tcg_const_i32(float_round_to_zero);
+                            gen_helper_set_rmode(tcg_rmode, tcg_rmode, 
cpu_env);
+                            gen_helper_rints(cpu_F0s, cpu_F0s, fpst);
+                            gen_helper_set_rmode(tcg_rmode, tcg_rmode, 
cpu_env);
+                            tcg_temp_free_i32(tcg_rmode);
+                            tcg_temp_free_ptr(fpst);
+                        }
+                        break;
                     case 15: /* single<->double conversion */
                         if (dp)
                             gen_helper_vfp_fcvtsd(cpu_F0s, cpu_F0d, cpu_env);
-- 
1.8.1.4