[PATCH 65/67] target/arm: Introduce gen_gvec_urecpe, gen_gvec_ursqrte

[Richard Henderson]

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/helper.h             |  3 +++
 target/arm/tcg/translate.h      |  5 +++++
 target/arm/tcg/gengvec.c        | 16 ++++++++++++++++
 target/arm/tcg/translate-neon.c |  4 ++--
 target/arm/tcg/vec_helper.c     | 22 ++++++++++++++++++++++
 5 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/target/arm/helper.h b/target/arm/helper.h
index 1132a5cab6..9919b1367b 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -1121,6 +1121,9 @@ DEF_HELPER_FLAGS_4(gvec_uminp_b, TCG_CALL_NO_RWG, void, 
ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(gvec_uminp_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(gvec_uminp_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 
+DEF_HELPER_FLAGS_3(gvec_urecpe_s, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
+DEF_HELPER_FLAGS_3(gvec_ursqrte_s, TCG_CALL_NO_RWG, void, ptr, ptr, i32)
+
 #ifdef TARGET_AARCH64
 #include "tcg/helper-a64.h"
 #include "tcg/helper-sve.h"
diff --git a/target/arm/tcg/translate.h b/target/arm/tcg/translate.h
index edd775d564..228b195a22 100644
--- a/target/arm/tcg/translate.h
+++ b/target/arm/tcg/translate.h
@@ -602,6 +602,11 @@ void gen_gvec_uaddlp(unsigned vece, uint32_t rd_ofs, 
uint32_t rn_ofs,
 void gen_gvec_uadalp(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
                      uint32_t opr_sz, uint32_t max_sz);
 
+void gen_gvec_urecpe(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+                     uint32_t opr_sz, uint32_t max_sz);
+void gen_gvec_ursqrte(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+                      uint32_t opr_sz, uint32_t max_sz);
+
 /*
  * Forward to the isar_feature_* tests given a DisasContext pointer.
  */
diff --git a/target/arm/tcg/gengvec.c b/target/arm/tcg/gengvec.c
index 2755da8ac7..a6935a7188 100644
--- a/target/arm/tcg/gengvec.c
+++ b/target/arm/tcg/gengvec.c
@@ -2697,3 +2697,19 @@ void gen_gvec_uadalp(unsigned vece, uint32_t rd_ofs, 
uint32_t rn_ofs,
     assert(vece <= MO_32);
     tcg_gen_gvec_2(rd_ofs, rn_ofs, opr_sz, max_sz, &g[vece]);
 }
+
+void gen_gvec_urecpe(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+                     uint32_t opr_sz, uint32_t max_sz)
+{
+    assert(vece == MO_32);
+    tcg_gen_gvec_2_ool(rd_ofs, rn_ofs, opr_sz, max_sz, 0,
+                       gen_helper_gvec_urecpe_s);
+}
+
+void gen_gvec_ursqrte(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,
+                      uint32_t opr_sz, uint32_t max_sz)
+{
+    assert(vece == MO_32);
+    tcg_gen_gvec_2_ool(rd_ofs, rn_ofs, opr_sz, max_sz, 0,
+                       gen_helper_gvec_ursqrte_s);
+}
diff --git a/target/arm/tcg/translate-neon.c b/target/arm/tcg/translate-neon.c
index cea400e1f5..af06c0887b 100644
--- a/target/arm/tcg/translate-neon.c
+++ b/target/arm/tcg/translate-neon.c
@@ -3086,7 +3086,7 @@ static bool trans_VRECPE(DisasContext *s, arg_2misc *a)
     if (a->size != 2) {
         return false;
     }
-    return do_2misc(s, a, gen_helper_recpe_u32);
+    return do_2misc_vec(s, a, gen_gvec_urecpe);
 }
 
 static bool trans_VRSQRTE(DisasContext *s, arg_2misc *a)
@@ -3094,7 +3094,7 @@ static bool trans_VRSQRTE(DisasContext *s, arg_2misc *a)
     if (a->size != 2) {
         return false;
     }
-    return do_2misc(s, a, gen_helper_rsqrte_u32);
+    return do_2misc_vec(s, a, gen_gvec_ursqrte);
 }
 
 #define WRAP_1OP_ENV_FN(WRAPNAME, FUNC) \
diff --git a/target/arm/tcg/vec_helper.c b/target/arm/tcg/vec_helper.c
index 0f4b5670f3..c824e8307b 100644
--- a/target/arm/tcg/vec_helper.c
+++ b/target/arm/tcg/vec_helper.c
@@ -3105,3 +3105,25 @@ void HELPER(gvec_rbit_b)(void *vd, void *vn, uint32_t 
desc)
     }
     clear_tail(d, opr_sz, simd_maxsz(desc));
 }
+
+void HELPER(gvec_urecpe_s)(void *vd, void *vn, uint32_t desc)
+{
+    intptr_t i, opr_sz = simd_oprsz(desc);
+    uint32_t *d = vd, *n = vn;
+
+    for (i = 0; i < opr_sz / 4; ++i) {
+        d[i] = helper_recpe_u32(n[i]);
+    }
+    clear_tail(d, opr_sz, simd_maxsz(desc));
+}
+
+void HELPER(gvec_ursqrte_s)(void *vd, void *vn, uint32_t desc)
+{
+    intptr_t i, opr_sz = simd_oprsz(desc);
+    uint32_t *d = vd, *n = vn;
+
+    for (i = 0; i < opr_sz / 4; ++i) {
+        d[i] = helper_rsqrte_u32(n[i]);
+    }
+    clear_tail(d, opr_sz, simd_maxsz(desc));
+}
-- 
2.43.0