Signed-off-by: Richard Henderson
---
target/arm/helper-sve.h| 24
target/arm/sve.decode | 19
target/arm/sve_helper.c| 43 +++
target/arm/translate-sve.c | 46 ++
4 files changed, 132 insertions(+)
diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h
index 368185944a..475fce7f3a 100644
--- a/target/arm/helper-sve.h
+++ b/target/arm/helper-sve.h
@@ -1372,6 +1372,30 @@ DEF_HELPER_FLAGS_5(sve_ftmad_h, TCG_CALL_NO_RWG, void,
ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_ftmad_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
DEF_HELPER_FLAGS_5(sve_ftmad_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_saddl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_saddl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_saddl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_4(sve2_ssubl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_ssubl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_ssubl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_4(sve2_sabdl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_sabdl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_sabdl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_4(sve2_uaddl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_uaddl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_uaddl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_4(sve2_usubl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_usubl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_usubl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_4(sve2_uabdl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_uabdl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_uabdl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+
DEF_HELPER_FLAGS_4(sve_ldr, TCG_CALL_NO_WG, void, env, ptr, tl, int)
DEF_HELPER_FLAGS_4(sve_str, TCG_CALL_NO_WG, void, env, ptr, tl, int)
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 86aee38668..a239fd3479 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -1161,3 +1161,22 @@ SUQADD 01000100 .. 011 100 100 ... . .
@rdn_pg_rm
USQADD 01000100 .. 011 101 100 ... . . @rdn_pg_rm
SQSUB_zpzz 01000100 .. 011 110 100 ... . . @rdm_pg_rn # SQSUBR
UQSUB_zpzz 01000100 .. 011 111 100 ... . . @rdm_pg_rn # UQSUBR
+
+ SVE2 Widening Integer Arithmetic
+
+## SVE2 integer add/subtract long
+
+SADDLB 01000101 .. 0 . 00 . . @rd_rn_rm
+SADDLT 01000101 .. 0 . 00 0001 . . @rd_rn_rm
+UADDLB 01000101 .. 0 . 00 0010 . . @rd_rn_rm
+UADDLT 01000101 .. 0 . 00 0011 . . @rd_rn_rm
+
+SSUBLB 01000101 .. 0 . 00 0100 . . @rd_rn_rm
+SSUBLT 01000101 .. 0 . 00 0101 . . @rd_rn_rm
+USUBLB 01000101 .. 0 . 00 0110 . . @rd_rn_rm
+USUBLT 01000101 .. 0 . 00 0111 . . @rd_rn_rm
+
+SABDLB 01000101 .. 0 . 00 1100 . . @rd_rn_rm
+SABDLT 01000101 .. 0 . 00 1101 . . @rd_rn_rm
+UABDLB 01000101 .. 0 . 00 1110 . . @rd_rn_rm
+UABDLT 01000101 .. 0 . 00 . . @rd_rn_rm
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index bee00eaa44..7d7a59f620 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -1088,6 +1088,49 @@ DO_ZZW(sve_lsl_zzw_s, uint32_t, uint64_t, H1_4, DO_LSL)
#undef DO_ZPZ
#undef DO_ZPZ_D
+/*
+ * Three-operand expander, unpredicated, in which the two inputs are
+ * selected from the top or bottom half of the wide column.
+ */
+#define DO_ZZZ_TB(NAME, TYPE, TYPEN, OP) \
+void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \
+{ \
+intptr_t i, opr_sz = simd_oprsz(desc); \
+int sel1 = (simd_data(desc) & 1) * sizeof(TYPE); \
+int sel2 = (simd_data(desc) & 2) * (sizeof(TYPE) / 2); \
+for (i = 0; i < opr_sz; i += sizeof(TYPE)) { \
+TYPE nn = (TYPEN)(*(TYPE *)(vn + i) >> sel1); \
+TYPE mm = (TYPEN)(*(TYPE *)(vm + i) >> sel2); \
+*(TYPE *)(vd + i) = OP(nn, mm);\
+} \
+}
+
+DO_ZZZ_TB(sve2_saddl_h, int16_t, int8_t, DO_ADD)
+DO_ZZZ_TB(sve2_saddl_s, int32_t, int16_t, DO_ADD)
+DO_ZZZ_TB(sve2_saddl_d, int64_t, int32_t, DO_ADD)
+
+DO_ZZZ_TB(sve2_ssubl_h, int16_t, int8_t, DO_SUB)