[v2,28/32] arm/translate-a64: add FP16 FRSQRTE to simd_two_reg_misc_fp16

Message ID 20180208173157.24705-29-alex.bennee@linaro.org
State Superseded
Headers show
Series
  • Add ARMv8.2 half-precision functions
Related show

Commit Message

Alex Bennée Feb. 8, 2018, 5:31 p.m.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

---
 target/arm/translate-a64.c | 7 +++++++
 1 file changed, 7 insertions(+)

-- 
2.15.1

Comments

Richard Henderson Feb. 9, 2018, 6:15 p.m. | #1
On 02/08/2018 09:31 AM, Alex Bennée wrote:
> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

> ---

>  target/arm/translate-a64.c | 7 +++++++

>  1 file changed, 7 insertions(+)


Reviewed-by: Richard Henderson <richard.henderson@linaro.org>



r~

Patch

diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c
index 587d072d27..fa21299061 100644
--- a/target/arm/translate-a64.c
+++ b/target/arm/translate-a64.c
@@ -10925,6 +10925,7 @@  static void disas_simd_two_reg_misc_fp16(DisasContext *s, uint32_t insn)
     case 0x6f: /* FNEG */
         need_fpst = false;
         break;
+    case 0x7d: /* FRSQRTE */
     case 0x7f: /* FSQRT (vector) */
         break;
     default:
@@ -10989,6 +10990,9 @@  static void disas_simd_two_reg_misc_fp16(DisasContext *s, uint32_t insn)
         case 0x6f: /* FNEG */
             tcg_gen_xori_i32(tcg_res, tcg_op, 0x8000);
             break;
+        case 0x7d: /* FRSQRTE */
+            gen_helper_rsqrte_f16(tcg_res, tcg_op, tcg_fpstatus);
+            break;
         default:
             g_assert_not_reached();
         }
@@ -11041,6 +11045,9 @@  static void disas_simd_two_reg_misc_fp16(DisasContext *s, uint32_t insn)
             case 0x6f: /* FNEG */
                 tcg_gen_xori_i32(tcg_res, tcg_op, 0x8000);
                 break;
+            case 0x7d: /* FRSQRTE */
+                gen_helper_rsqrte_f16(tcg_res, tcg_op, tcg_fpstatus);
+                break;
             case 0x7f: /* FSQRT */
                 gen_helper_sqrt_f16(tcg_res, tcg_op, tcg_fpstatus);
                 break;