[PATCH v4 57/78] target/arm: Implement SVE2 saturating multiply (indexed)

[Richard Henderson]

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/helper-sve.h    | 5 +++++
 target/arm/sve.decode      | 6 ++++++
 target/arm/sve_helper.c    | 3 +++
 target/arm/translate-sve.c | 5 +++++
 4 files changed, 19 insertions(+)

diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h
index a3690082af..548dedf24c 100644
--- a/target/arm/helper-sve.h
+++ b/target/arm/helper-sve.h
@@ -2693,3 +2693,8 @@ DEF_HELPER_FLAGS_4(sve2_smull_idx_s, TCG_CALL_NO_RWG, 
void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(sve2_smull_idx_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(sve2_umull_idx_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(sve2_umull_idx_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_4(sve2_sqdmull_idx_s, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_sqdmull_idx_d, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, i32)
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index ebb892748b..a0c930ed66 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -835,6 +835,12 @@ UMULLB_zzx_d    01000100 .. 1 ..... 1101.0 ..... .....     
     @rrxl_d
 UMULLT_zzx_s    01000100 .. 1 ..... 1101.1 ..... .....          @rrxl_s
 UMULLT_zzx_d    01000100 .. 1 ..... 1101.1 ..... .....          @rrxl_d
 
+# SVE2 saturating multiply (indexed)
+SQDMULLB_zzx_s  01000100 .. 1 ..... 1110.0 ..... .....          @rrxl_s
+SQDMULLB_zzx_d  01000100 .. 1 ..... 1110.0 ..... .....          @rrxl_d
+SQDMULLT_zzx_s  01000100 .. 1 ..... 1110.1 ..... .....          @rrxl_s
+SQDMULLT_zzx_d  01000100 .. 1 ..... 1110.1 ..... .....          @rrxl_d
+
 # SVE2 integer multiply (indexed)
 MUL_zzx_h       01000100 .. 1 ..... 111110 ..... .....          @rrx_h
 MUL_zzx_s       01000100 .. 1 ..... 111110 ..... .....          @rrx_s
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index b64e1f243d..95bda0ae38 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -1581,6 +1581,9 @@ DO_ZZX(sve2_smull_idx_d, int64_t, int32_t,     , H1_4, 
DO_MUL)
 DO_ZZX(sve2_umull_idx_s, uint32_t, uint16_t, H1_4, H1_2, DO_MUL)
 DO_ZZX(sve2_umull_idx_d, uint64_t, uint32_t,     , H1_4, DO_MUL)
 
+DO_ZZX(sve2_sqdmull_idx_s, int32_t, int16_t, H1_4, H1_2, do_sqdmull_s)
+DO_ZZX(sve2_sqdmull_idx_d, int64_t, int32_t,     , H1_4, do_sqdmull_d)
+
 #undef DO_ZZX
 
 #define DO_BITPERM(NAME, TYPE, OP) \
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 6376a21b98..9b27f32b54 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -3880,6 +3880,11 @@ DO_SVE2_RRX_TB(trans_UMULLB_zzx_d, 
gen_helper_sve2_umull_idx_d, false)
 DO_SVE2_RRX_TB(trans_UMULLT_zzx_s, gen_helper_sve2_umull_idx_s, true)
 DO_SVE2_RRX_TB(trans_UMULLT_zzx_d, gen_helper_sve2_umull_idx_d, true)
 
+DO_SVE2_RRX_TB(trans_SQDMULLB_zzx_s, gen_helper_sve2_sqdmull_idx_s, false)
+DO_SVE2_RRX_TB(trans_SQDMULLB_zzx_d, gen_helper_sve2_sqdmull_idx_d, false)
+DO_SVE2_RRX_TB(trans_SQDMULLT_zzx_s, gen_helper_sve2_sqdmull_idx_s, true)
+DO_SVE2_RRX_TB(trans_SQDMULLT_zzx_d, gen_helper_sve2_sqdmull_idx_d, true)
+
 #undef DO_SVE2_RRX_TB
 
 static bool do_sve2_zzxz_data(DisasContext *s, arg_rrxr_esz *a,
-- 
2.25.1