target/arm: Implement SVE2 RADDHNB, RADDHNT

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stephen Long <steplong@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-40-richard.henderson@linaro.org
Message-Id: <20200417162231.10374-3-steplong@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h
index a369fd23919ddb310eb1c31a1d8a412388652046..8d95c87694db0ef4a7ff7ef568138e633be984ee 100644 (file)
--- a/target/arm/helper-sve.h
+++ b/target/arm/helper-sve.h
@@ -2517,6 +2517,14 @@ DEF_HELPER_FLAGS_4(sve2_addhnt_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(sve2_addhnt_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_4(sve2_addhnt_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
 
+DEF_HELPER_FLAGS_4(sve2_raddhnb_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_raddhnb_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_raddhnb_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_4(sve2_raddhnt_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_raddhnt_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_4(sve2_raddhnt_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32)
+
 DEF_HELPER_FLAGS_5(sve2_match_ppzz_b, TCG_CALL_NO_RWG,
                    i32, ptr, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_5(sve2_match_ppzz_h, TCG_CALL_NO_RWG,

diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 72dd36a5c8a2801c046e55d974df0ec407213750..dfcfab4bc0fcd8cd17f934bbbbef00cd70b91d0d 100644 (file)
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -1324,6 +1324,8 @@ UQRSHRNT        01000101 .. 1 ..... 00 1111 ..... .....  @rd_rn_tszimm_shr
 
 ADDHNB          01000101 .. 1 ..... 011 000 ..... .....  @rd_rn_rm
 ADDHNT          01000101 .. 1 ..... 011 001 ..... .....  @rd_rn_rm
+RADDHNB         01000101 .. 1 ..... 011 010 ..... .....  @rd_rn_rm
+RADDHNT         01000101 .. 1 ..... 011 011 ..... .....  @rd_rn_rm
 
 ### SVE2 Character Match
 

diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index df7413f9c9496f5b959fa9ba3293cb115a26e673..8b450418c5602bb386cc27a07869df8f5edfe2b1 100644 (file)
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -2144,6 +2144,7 @@ void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc)              \
 }
 
 #define DO_ADDHN(N, M, SH)  ((N + M) >> SH)
+#define DO_RADDHN(N, M, SH) ((N + M + ((__typeof(N))1 << (SH - 1))) >> SH)
 
 DO_BINOPNB(sve2_addhnb_h, uint16_t, uint8_t, 8, DO_ADDHN)
 DO_BINOPNB(sve2_addhnb_s, uint32_t, uint16_t, 16, DO_ADDHN)
@@ -2153,6 +2154,15 @@ DO_BINOPNT(sve2_addhnt_h, uint16_t, uint8_t, 8, H1_2, H1, DO_ADDHN)
 DO_BINOPNT(sve2_addhnt_s, uint32_t, uint16_t, 16, H1_4, H1_2, DO_ADDHN)
 DO_BINOPNT(sve2_addhnt_d, uint64_t, uint32_t, 32,     , H1_4, DO_ADDHN)
 
+DO_BINOPNB(sve2_raddhnb_h, uint16_t, uint8_t, 8, DO_RADDHN)
+DO_BINOPNB(sve2_raddhnb_s, uint32_t, uint16_t, 16, DO_RADDHN)
+DO_BINOPNB(sve2_raddhnb_d, uint64_t, uint32_t, 32, DO_RADDHN)
+
+DO_BINOPNT(sve2_raddhnt_h, uint16_t, uint8_t, 8, H1_2, H1, DO_RADDHN)
+DO_BINOPNT(sve2_raddhnt_s, uint32_t, uint16_t, 16, H1_4, H1_2, DO_RADDHN)
+DO_BINOPNT(sve2_raddhnt_d, uint64_t, uint32_t, 32,     , H1_4, DO_RADDHN)
+
+#undef DO_RADDHN
 #undef DO_ADDHN
 
 #undef DO_BINOPNB

diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 442bf80b82683dd6255dc398d2d1f012e4c38428..e7bf8cd9ccce7473b724e19a94d3ede295219b64 100644 (file)
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -7474,6 +7474,8 @@ static bool trans_##NAME(DisasContext *s, arg_rrr_esz *a)                 \
 
 DO_SVE2_ZZZ_NARROW(ADDHNB, addhnb)
 DO_SVE2_ZZZ_NARROW(ADDHNT, addhnt)
+DO_SVE2_ZZZ_NARROW(RADDHNB, raddhnb)
+DO_SVE2_ZZZ_NARROW(RADDHNT, raddhnt)
 
 static bool do_sve2_ppzz_flags(DisasContext *s, arg_rprr_esz *a,
                                gen_helper_gvec_flags_4 *fn)