Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/arm/helper-sve.h | 67 ++++++++++++++++++++++++++++++++
target/arm/sve_helper.c | 75 +++++++++++++++++++++++++++++++++++
target/arm/translate-sve.c | 97 ++++++++++++++++++++++++++++++++++++++++++++++
target/arm/sve.decode | 53 +++++++++++++++++++++++++
4 files changed, 292 insertions(+)
diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h
index b5c093f2fd..3cb7ab9ef2 100644
--- a/target/arm/helper-sve.h
+++ b/target/arm/helper-sve.h
@@ -919,6 +919,73 @@ DEF_HELPER_FLAGS_4(sve_st1hd_r, TCG_CALL_NO_WG, void, env,
ptr, tl, i32)
DEF_HELPER_FLAGS_4(sve_st1sd_r, TCG_CALL_NO_WG, void, env, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldbsu_zsu, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldhsu_zsu, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldssu_zsu, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldbss_zsu, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldhss_zsu, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+
+DEF_HELPER_FLAGS_6(sve_ldbsu_zss, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldhsu_zss, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldssu_zss, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldbss_zss, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldhss_zss, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+
+DEF_HELPER_FLAGS_6(sve_ldbdu_zsu, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldhdu_zsu, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldsdu_zsu, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldddu_zsu, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldbds_zsu, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldhds_zsu, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldsds_zsu, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+
+DEF_HELPER_FLAGS_6(sve_ldbdu_zss, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldhdu_zss, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldsdu_zss, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldddu_zss, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldbds_zss, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldhds_zss, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldsds_zss, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+
+DEF_HELPER_FLAGS_6(sve_ldbdu_zd, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldhdu_zd, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldsdu_zd, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldddu_zd, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldbds_zd, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldhds_zd, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+DEF_HELPER_FLAGS_6(sve_ldsds_zd, TCG_CALL_NO_WG,
+ void, env, ptr, ptr, ptr, tl, i32)
+
DEF_HELPER_FLAGS_6(sve_stbs_zsu, TCG_CALL_NO_WG,
void, env, ptr, ptr, ptr, tl, i32)
DEF_HELPER_FLAGS_6(sve_sths_zsu, TCG_CALL_NO_WG,
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index 07b3d285f2..4edd3d4367 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -3546,6 +3546,81 @@ void HELPER(sve_st4dd_r)(CPUARMState *env, void *vg,
}
}
+/* Loads with a vector index. */
+
+#define DO_LD1_ZPZ_S(NAME, TYPEI, TYPEM, FN) \
+void HELPER(NAME)(CPUARMState *env, void *vd, void *vg, void *vm, \
+ target_ulong base, uint32_t desc) \
+{ \
+ intptr_t i, oprsz = simd_oprsz(desc) / 8; \
+ unsigned scale = simd_data(desc); \
+ uintptr_t ra = GETPC(); \
+ uint32_t *d = vd; TYPEI *m = vm; uint8_t *pg = vg; \
+ for (i = 0; i < oprsz; i++) { \
+ uint8_t pp = pg[H1(i)]; \
+ if (pp & 0x01) { \
+ target_ulong off = (target_ulong)m[H4(i * 2)] << scale; \
+ d[H4(i * 2)] = (TYPEM)FN(env, base + off, ra); \
+ } \
+ if (pp & 0x10) { \
+ target_ulong off = (target_ulong)m[H4(i * 2 + 1)] << scale; \
+ d[H4(i * 2 + 1)] = (TYPEM)FN(env, base + off, ra); \
+ } \
+ } \
+}
+
+#define DO_LD1_ZPZ_D(NAME, TYPEI, TYPEM, FN) \
+void HELPER(NAME)(CPUARMState *env, void *vd, void *vg, void *vm, \
+ target_ulong base, uint32_t desc) \
+{ \
+ intptr_t i, oprsz = simd_oprsz(desc) / 8; \
+ unsigned scale = simd_data(desc); \
+ uintptr_t ra = GETPC(); \
+ uint64_t *d = vd, *m = vm; uint8_t *pg = vg; \
+ for (i = 0; i < oprsz; i++) { \
+ if (pg[H1(i)] & 1) { \
+ target_ulong off = (target_ulong)(TYPEI)m[i] << scale; \
+ d[i] = (TYPEM)FN(env, base + off, ra); \
+ } \
+ } \
+}
+
+DO_LD1_ZPZ_S(sve_ldbsu_zsu, uint32_t, uint8_t, cpu_ldub_data_ra)
+DO_LD1_ZPZ_S(sve_ldhsu_zsu, uint32_t, uint16_t, cpu_lduw_data_ra)
+DO_LD1_ZPZ_S(sve_ldssu_zsu, uint32_t, uint32_t, cpu_ldl_data_ra)
+DO_LD1_ZPZ_S(sve_ldbss_zsu, uint32_t, int8_t, cpu_ldub_data_ra)
+DO_LD1_ZPZ_S(sve_ldhss_zsu, uint32_t, int16_t, cpu_lduw_data_ra)
+
+DO_LD1_ZPZ_S(sve_ldbsu_zss, int32_t, uint8_t, cpu_ldub_data_ra)
+DO_LD1_ZPZ_S(sve_ldhsu_zss, int32_t, uint16_t, cpu_lduw_data_ra)
+DO_LD1_ZPZ_S(sve_ldssu_zss, int32_t, uint32_t, cpu_ldl_data_ra)
+DO_LD1_ZPZ_S(sve_ldbss_zss, int32_t, int8_t, cpu_ldub_data_ra)
+DO_LD1_ZPZ_S(sve_ldhss_zss, int32_t, int16_t, cpu_lduw_data_ra)
+
+DO_LD1_ZPZ_D(sve_ldbdu_zsu, uint32_t, uint8_t, cpu_ldub_data_ra)
+DO_LD1_ZPZ_D(sve_ldhdu_zsu, uint32_t, uint16_t, cpu_lduw_data_ra)
+DO_LD1_ZPZ_D(sve_ldsdu_zsu, uint32_t, uint32_t, cpu_ldl_data_ra)
+DO_LD1_ZPZ_D(sve_ldddu_zsu, uint32_t, uint64_t, cpu_ldq_data_ra)
+DO_LD1_ZPZ_D(sve_ldbds_zsu, uint32_t, int8_t, cpu_ldub_data_ra)
+DO_LD1_ZPZ_D(sve_ldhds_zsu, uint32_t, int16_t, cpu_lduw_data_ra)
+DO_LD1_ZPZ_D(sve_ldsds_zsu, uint32_t, int32_t, cpu_ldl_data_ra)
+
+DO_LD1_ZPZ_D(sve_ldbdu_zss, int32_t, uint8_t, cpu_ldub_data_ra)
+DO_LD1_ZPZ_D(sve_ldhdu_zss, int32_t, uint16_t, cpu_lduw_data_ra)
+DO_LD1_ZPZ_D(sve_ldsdu_zss, int32_t, uint32_t, cpu_ldl_data_ra)
+DO_LD1_ZPZ_D(sve_ldddu_zss, int32_t, uint64_t, cpu_ldq_data_ra)
+DO_LD1_ZPZ_D(sve_ldbds_zss, int32_t, int8_t, cpu_ldub_data_ra)
+DO_LD1_ZPZ_D(sve_ldhds_zss, int32_t, int16_t, cpu_lduw_data_ra)
+DO_LD1_ZPZ_D(sve_ldsds_zss, int32_t, int32_t, cpu_ldl_data_ra)
+
+DO_LD1_ZPZ_D(sve_ldbdu_zd, uint64_t, uint8_t, cpu_ldub_data_ra)
+DO_LD1_ZPZ_D(sve_ldhdu_zd, uint64_t, uint16_t, cpu_lduw_data_ra)
+DO_LD1_ZPZ_D(sve_ldsdu_zd, uint64_t, uint32_t, cpu_ldl_data_ra)
+DO_LD1_ZPZ_D(sve_ldddu_zd, uint64_t, uint64_t, cpu_ldq_data_ra)
+DO_LD1_ZPZ_D(sve_ldbds_zd, uint64_t, int8_t, cpu_ldub_data_ra)
+DO_LD1_ZPZ_D(sve_ldhds_zd, uint64_t, int16_t, cpu_lduw_data_ra)
+DO_LD1_ZPZ_D(sve_ldsds_zd, uint64_t, int32_t, cpu_ldl_data_ra)
+
/* Stores with a vector index. */
#define DO_ST1_ZPZ_S(NAME, TYPEI, FN) \
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 63c7a0e8d8..6484ecd257 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -3914,6 +3914,103 @@ static void do_mem_zpz(DisasContext *s, int zt, int pg,
int zm, int scale,
tcg_temp_free_i32(desc);
}
+/* Indexed by [xs][u][msz]. */
+static gen_helper_gvec_mem_scatter * const gather_load_fn32[2][2][3] = {
+ { { gen_helper_sve_ldbss_zsu,
+ gen_helper_sve_ldhss_zsu,
+ NULL, },
+ { gen_helper_sve_ldbsu_zsu,
+ gen_helper_sve_ldhsu_zsu,
+ gen_helper_sve_ldssu_zsu, } },
+ { { gen_helper_sve_ldbss_zss,
+ gen_helper_sve_ldhss_zss,
+ NULL, },
+ { gen_helper_sve_ldbsu_zss,
+ gen_helper_sve_ldhsu_zss,
+ gen_helper_sve_ldssu_zss, } },
+};
+
+static gen_helper_gvec_mem_scatter * const gather_load_fn64[3][2][4] = {
+ { { gen_helper_sve_ldbds_zsu,
+ gen_helper_sve_ldhds_zsu,
+ gen_helper_sve_ldsds_zsu,
+ NULL, },
+ { gen_helper_sve_ldbdu_zsu,
+ gen_helper_sve_ldhdu_zsu,
+ gen_helper_sve_ldsdu_zsu,
+ gen_helper_sve_ldddu_zsu, } },
+ { { gen_helper_sve_ldbds_zss,
+ gen_helper_sve_ldhds_zss,
+ gen_helper_sve_ldsds_zss,
+ NULL, },
+ { gen_helper_sve_ldbdu_zss,
+ gen_helper_sve_ldhdu_zss,
+ gen_helper_sve_ldsdu_zss,
+ gen_helper_sve_ldddu_zss, } },
+ { { gen_helper_sve_ldbds_zd,
+ gen_helper_sve_ldhds_zd,
+ gen_helper_sve_ldsds_zd,
+ NULL, },
+ { gen_helper_sve_ldbdu_zd,
+ gen_helper_sve_ldhdu_zd,
+ gen_helper_sve_ldsdu_zd,
+ gen_helper_sve_ldddu_zd, } },
+};
+
+static void trans_LD1_zprz(DisasContext *s, arg_LD1_zprz *a, uint32_t insn)
+{
+ gen_helper_gvec_mem_scatter *fn = NULL;
+
+ if (a->esz < a->msz
+ || (a->msz == 0 && a->scale)
+ || (a->esz == a->msz && !a->u)) {
+ unallocated_encoding(s);
+ return;
+ }
+
+ /* TODO: handle LDFF1. */
+ switch (a->esz) {
+ case MO_32:
+ fn = gather_load_fn32[a->xs][a->u][a->msz];
+ break;
+ case MO_64:
+ fn = gather_load_fn64[a->xs][a->u][a->msz];
+ break;
+ }
+ assert(fn != NULL);
+
+ do_mem_zpz(s, a->rd, a->pg, a->rm, a->scale * a->msz,
+ cpu_reg_sp(s, a->rn), fn);
+}
+
+static void trans_LD1_zpiz(DisasContext *s, arg_LD1_zpiz *a, uint32_t insn)
+{
+ gen_helper_gvec_mem_scatter *fn = NULL;
+ TCGv_i64 imm;
+
+ if (a->esz < a->msz || (a->esz == a->msz && !a->u)) {
+ unallocated_encoding(s);
+ return;
+ }
+
+ /* TODO: handle LDFF1. */
+ switch (a->esz) {
+ case MO_32:
+ fn = gather_load_fn32[0][a->u][a->msz];
+ break;
+ case MO_64:
+ fn = gather_load_fn64[2][a->u][a->msz];
+ break;
+ }
+ assert(fn != NULL);
+
+ /* Treat LD1_zpiz (zn[x] + imm) the same way as LD1_zprz (rn + zm[x])
+ by loading the immediate into the scalar parameter. */
+ imm = tcg_const_i64(a->imm << a->msz);
+ do_mem_zpz(s, a->rd, a->pg, a->rn, 0, imm, fn);
+ tcg_temp_free_i64(imm);
+}
+
static void trans_ST1_zprz(DisasContext *s, arg_ST1_zprz *a, uint32_t insn)
{
/* Indexed by [xs][msz]. */
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index f0144aa2d0..f85d82e009 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -81,6 +81,8 @@
&rpri_load rd pg rn imm dtype nreg
&rprr_store rd pg rn rm msz esz nreg
&rpri_store rd pg rn imm msz esz nreg
+&rprr_gather_load rd pg rn rm esz msz u ff xs scale
+&rpri_gather_load rd pg rn imm esz msz u ff
&rprr_scatter_store rd pg rn rm esz msz xs scale
###########################################################################
@@ -195,6 +197,18 @@
@rpri_load_msz ....... .... . imm:s4 ... pg:3 rn:5 rd:5 \
&rpri_load dtype=%msz_dtype
+# Gather Loads.
+@rprr_g_load_u ....... .. . . rm:5 . u:1 ff:1 pg:3 rn:5 rd:5 \
+ &rprr_gather_load xs=2
+@rprr_g_load_xs_u ....... .. xs:1 . rm:5 . u:1 ff:1 pg:3 rn:5 rd:5 \
+ &rprr_gather_load
+@rprr_g_load_xs_u_sc ....... .. xs:1 scale:1 rm:5 . u:1 ff:1 pg:3 rn:5 rd:5 \
+ &rprr_gather_load
+@rprr_g_load_u_sc ....... .. . scale:1 rm:5 . u:1 ff:1 pg:3 rn:5 rd:5 \
+ &rprr_gather_load xs=2
+@rpri_g_load ....... msz:2 .. imm:5 . u:1 ff:1 pg:3 rn:5 rd:5 \
+ &rpri_gather_load
+
# Stores; user must fill in ESZ, MSZ, NREG as needed.
@rprr_store ....... .. .. rm:5 ... pg:3 rn:5 rd:5 &rprr_store
@rpri_store_msz ....... msz:2 .. . imm:s4 ... pg:3 rn:5 rd:5 &rpri_store
@@ -766,6 +780,19 @@ LDR_zri 10000101 10 ...... 010 ... ..... .....
@rd_rn_i9
LD1R_zpri 1000010 .. 1 imm:6 1.. pg:3 rn:5 rd:5 \
&rpri_load dtype=%dtype_23_13 nreg=0
+# SVE 32-bit gather load (scalar plus 32-bit unscaled offsets)
+# SVE 32-bit gather load (scalar plus 32-bit scaled offsets)
+LD1_zprz 1000010 00 .0 ..... 0.. ... ..... ..... \
+ @rprr_g_load_xs_u esz=2 msz=0 scale=0
+LD1_zprz 1000010 01 .. ..... 0.. ... ..... ..... \
+ @rprr_g_load_xs_u_sc esz=2 msz=1
+LD1_zprz 1000010 10 .. ..... 0.. ... ..... ..... \
+ @rprr_g_load_xs_u_sc esz=2 msz=2
+
+# SVE 32-bit gather load (vector plus immediate)
+LD1_zpiz 1000010 .. 01 ..... 1.. ... ..... ..... \
+ @rpri_g_load esz=2
+
### SVE Memory Contiguous Load Group
# SVE contiguous load (scalar plus scalar)
@@ -815,6 +842,32 @@ PRF 1000010 -- 00 ----- 110 --- ----- 0 ----
### SVE Memory 64-bit Gather Group
+# SVE 64-bit gather load (scalar plus 32-bit unpacked unscaled offsets)
+# SVE 64-bit gather load (scalar plus 32-bit unpacked scaled offsets)
+LD1_zprz 1100010 00 .0 ..... 0.. ... ..... ..... \
+ @rprr_g_load_xs_u esz=3 msz=0 scale=0
+LD1_zprz 1100010 01 .. ..... 0.. ... ..... ..... \
+ @rprr_g_load_xs_u_sc esz=3 msz=1
+LD1_zprz 1100010 10 .. ..... 0.. ... ..... ..... \
+ @rprr_g_load_xs_u_sc esz=3 msz=2
+LD1_zprz 1100010 11 .. ..... 0.. ... ..... ..... \
+ @rprr_g_load_xs_u_sc esz=3 msz=3
+
+# SVE 64-bit gather load (scalar plus 64-bit unscaled offsets)
+# SVE 64-bit gather load (scalar plus 64-bit scaled offsets)
+LD1_zprz 1100010 00 10 ..... 1.. ... ..... ..... \
+ @rprr_g_load_u esz=3 msz=0 scale=0
+LD1_zprz 1100010 01 1. ..... 1.. ... ..... ..... \
+ @rprr_g_load_u_sc esz=3 msz=1
+LD1_zprz 1100010 10 1. ..... 1.. ... ..... ..... \
+ @rprr_g_load_u_sc esz=3 msz=2
+LD1_zprz 1100010 11 1. ..... 1.. ... ..... ..... \
+ @rprr_g_load_u_sc esz=3 msz=3
+
+# SVE 64-bit gather load (vector plus immediate)
+LD1_zpiz 1100010 .. 01 ..... 1.. ... ..... ..... \
+ @rpri_g_load esz=3
+
# SVE 64-bit gather prefetch (scalar plus 64-bit scaled offsets)
PRF 1100010 00 11 ----- 1-- --- ----- 0 ----
--
2.14.3
