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From: Peter Maydell <peter.maydell@linaro.org>
To: qemu-devel@nongnu.org
Subject: [PULL 085/114] target/arm: Implement SVE2 complex integer dot product
Date: Tue, 25 May 2021 16:02:55 +0100	[thread overview]
Message-ID: <20210525150324.32370-86-peter.maydell@linaro.org> (raw)
In-Reply-To: <20210525150324.32370-1-peter.maydell@linaro.org>

From: Richard Henderson <richard.henderson@linaro.org>

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210525010358.152808-64-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/helper-sve.h    | 10 ++++
 target/arm/sve.decode      |  9 ++++
 target/arm/sve_helper.c    | 99 ++++++++++++++++++++++++++++++++++++++
 target/arm/translate-sve.c | 17 +++++++
 4 files changed, 135 insertions(+)

diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h
index d6399a6d6e2..efc9a7ccf18 100644
--- a/target/arm/helper-sve.h
+++ b/target/arm/helper-sve.h
@@ -2724,3 +2724,13 @@ DEF_HELPER_FLAGS_5(sve2_sqrdcmlah_idx_h, TCG_CALL_NO_RWG,
                    void, ptr, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_5(sve2_sqrdcmlah_idx_s, TCG_CALL_NO_RWG,
                    void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(sve2_cdot_zzzz_s, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_cdot_zzzz_d, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(sve2_cdot_idx_s, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_cdot_idx_d, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 42cf344ad64..0339410cf76 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -789,6 +789,9 @@ MUL_zzi         00100101 .. 110 000 110 ........ .....          @rdn_i8s
 DOT_zzzz        01000100 1 sz:1 0 rm:5 00000 u:1 rn:5 rd:5 \
                 ra=%reg_movprfx
 
+# SVE2 complex dot product (vectors)
+CDOT_zzzz       01000100 esz:2 0 rm:5 0001 rot:2 rn:5 rd:5  ra=%reg_movprfx
+
 #### SVE Multiply - Indexed
 
 # SVE integer dot product (indexed)
@@ -823,6 +826,12 @@ SQDMLSLB_zzxw_d 01000100 11 1 ..... 0011.0 ..... .....   @rrxr_2a esz=3
 SQDMLSLT_zzxw_s 01000100 10 1 ..... 0011.1 ..... .....   @rrxr_3a esz=2
 SQDMLSLT_zzxw_d 01000100 11 1 ..... 0011.1 ..... .....   @rrxr_2a esz=3
 
+# SVE2 complex integer dot product (indexed)
+CDOT_zzxw_s     01000100 10 1 index:2 rm:3 0100 rot:2 rn:5 rd:5 \
+                ra=%reg_movprfx
+CDOT_zzxw_d     01000100 11 1 index:1 rm:4 0100 rot:2 rn:5 rd:5 \
+                ra=%reg_movprfx
+
 # SVE2 complex integer multiply-add (indexed)
 CMLA_zzxz_h     01000100 10 1 index:2 rm:3 0110 rot:2 rn:5 rd:5 \
                 ra=%reg_movprfx
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index eb083e40612..f9c20612602 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -1527,6 +1527,105 @@ DO_CMLA_IDX_FUNC(sve2_sqrdcmlah_idx_s, int32_t, H4, DO_SQRDMLAH_S)
 #undef DO_SQRDMLAH_S
 #undef DO_SQRDMLAH_D
 
+/* Note N and M are 4 elements bundled into one unit. */
+static int32_t do_cdot_s(uint32_t n, uint32_t m, int32_t a,
+                         int sel_a, int sel_b, int sub_i)
+{
+    for (int i = 0; i <= 1; i++) {
+        int32_t elt1_r = (int8_t)(n >> (16 * i));
+        int32_t elt1_i = (int8_t)(n >> (16 * i + 8));
+        int32_t elt2_a = (int8_t)(m >> (16 * i + 8 * sel_a));
+        int32_t elt2_b = (int8_t)(m >> (16 * i + 8 * sel_b));
+
+        a += elt1_r * elt2_a + elt1_i * elt2_b * sub_i;
+    }
+    return a;
+}
+
+static int64_t do_cdot_d(uint64_t n, uint64_t m, int64_t a,
+                         int sel_a, int sel_b, int sub_i)
+{
+    for (int i = 0; i <= 1; i++) {
+        int64_t elt1_r = (int16_t)(n >> (32 * i + 0));
+        int64_t elt1_i = (int16_t)(n >> (32 * i + 16));
+        int64_t elt2_a = (int16_t)(m >> (32 * i + 16 * sel_a));
+        int64_t elt2_b = (int16_t)(m >> (32 * i + 16 * sel_b));
+
+        a += elt1_r * elt2_a + elt1_i * elt2_b * sub_i;
+    }
+    return a;
+}
+
+void HELPER(sve2_cdot_zzzz_s)(void *vd, void *vn, void *vm,
+                              void *va, uint32_t desc)
+{
+    int opr_sz = simd_oprsz(desc);
+    int rot = simd_data(desc);
+    int sel_a = rot & 1;
+    int sel_b = sel_a ^ 1;
+    int sub_i = (rot == 0 || rot == 3 ? -1 : 1);
+    uint32_t *d = vd, *n = vn, *m = vm, *a = va;
+
+    for (int e = 0; e < opr_sz / 4; e++) {
+        d[e] = do_cdot_s(n[e], m[e], a[e], sel_a, sel_b, sub_i);
+    }
+}
+
+void HELPER(sve2_cdot_zzzz_d)(void *vd, void *vn, void *vm,
+                              void *va, uint32_t desc)
+{
+    int opr_sz = simd_oprsz(desc);
+    int rot = simd_data(desc);
+    int sel_a = rot & 1;
+    int sel_b = sel_a ^ 1;
+    int sub_i = (rot == 0 || rot == 3 ? -1 : 1);
+    uint64_t *d = vd, *n = vn, *m = vm, *a = va;
+
+    for (int e = 0; e < opr_sz / 8; e++) {
+        d[e] = do_cdot_d(n[e], m[e], a[e], sel_a, sel_b, sub_i);
+    }
+}
+
+void HELPER(sve2_cdot_idx_s)(void *vd, void *vn, void *vm,
+                             void *va, uint32_t desc)
+{
+    int opr_sz = simd_oprsz(desc);
+    int rot = extract32(desc, SIMD_DATA_SHIFT, 2);
+    int idx = H4(extract32(desc, SIMD_DATA_SHIFT + 2, 2));
+    int sel_a = rot & 1;
+    int sel_b = sel_a ^ 1;
+    int sub_i = (rot == 0 || rot == 3 ? -1 : 1);
+    uint32_t *d = vd, *n = vn, *m = vm, *a = va;
+
+    for (int seg = 0; seg < opr_sz / 4; seg += 4) {
+        uint32_t seg_m = m[seg + idx];
+        for (int e = 0; e < 4; e++) {
+            d[seg + e] = do_cdot_s(n[seg + e], seg_m, a[seg + e],
+                                   sel_a, sel_b, sub_i);
+        }
+    }
+}
+
+void HELPER(sve2_cdot_idx_d)(void *vd, void *vn, void *vm,
+                             void *va, uint32_t desc)
+{
+    int seg, opr_sz = simd_oprsz(desc);
+    int rot = extract32(desc, SIMD_DATA_SHIFT, 2);
+    int idx = extract32(desc, SIMD_DATA_SHIFT + 2, 2);
+    int sel_a = rot & 1;
+    int sel_b = sel_a ^ 1;
+    int sub_i = (rot == 0 || rot == 3 ? -1 : 1);
+    uint64_t *d = vd, *n = vn, *m = vm, *a = va;
+
+    for (seg = 0; seg < opr_sz / 8; seg += 2) {
+        uint64_t seg_m = m[seg + idx];
+        for (int e = 0; e < 2; e++) {
+            d[seg + e] = do_cdot_d(n[seg + e], seg_m, a[seg + e],
+                                   sel_a, sel_b, sub_i);
+        }
+    }
+}
+
 #define DO_ZZXZ(NAME, TYPE, H, OP) \
 void HELPER(NAME)(void *vd, void *vn, void *vm, void *va, uint32_t desc) \
 {                                                                       \
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 91aa2506de1..b454f50a6b7 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -3989,6 +3989,9 @@ DO_SVE2_RRXR_ROT(CMLA_zzxz_s, gen_helper_sve2_cmla_idx_s)
 DO_SVE2_RRXR_ROT(SQRDCMLAH_zzxz_h, gen_helper_sve2_sqrdcmlah_idx_h)
 DO_SVE2_RRXR_ROT(SQRDCMLAH_zzxz_s, gen_helper_sve2_sqrdcmlah_idx_s)
 
+DO_SVE2_RRXR_ROT(CDOT_zzxw_s, gen_helper_sve2_cdot_idx_s)
+DO_SVE2_RRXR_ROT(CDOT_zzxw_d, gen_helper_sve2_cdot_idx_d)
+
 #undef DO_SVE2_RRXR_ROT
 
 /*
@@ -8084,6 +8087,20 @@ static bool trans_CMLA_zzzz(DisasContext *s, arg_CMLA_zzzz *a)
     return true;
 }
 
+static bool trans_CDOT_zzzz(DisasContext *s, arg_CMLA_zzzz *a)
+{
+    if (!dc_isar_feature(aa64_sve2, s) || a->esz < MO_32) {
+        return false;
+    }
+    if (sve_access_check(s)) {
+        gen_helper_gvec_4 *fn = (a->esz == MO_32
+                                 ? gen_helper_sve2_cdot_zzzz_s
+                                 : gen_helper_sve2_cdot_zzzz_d);
+        gen_gvec_ool_zzzz(s, fn, a->rd, a->rn, a->rm, a->ra, a->rot);
+    }
+    return true;
+}
+
 static bool trans_SQRDCMLAH_zzzz(DisasContext *s, arg_SQRDCMLAH_zzzz *a)
 {
     static gen_helper_gvec_4 * const fns[] = {
-- 
2.20.1



  parent reply	other threads:[~2021-05-25 15:56 UTC|newest]

Thread overview: 96+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-25 15:01 [PULL 000/114] target-arm queue Peter Maydell
2021-05-25 15:01 ` [PULL 001/114] hw/arm/smmuv3: Another range invalidation fix Peter Maydell
2021-05-25 15:01 ` [PULL 002/114] hw/intc/arm_gicv3_cpuif: Fix EOIR write access check logic Peter Maydell
2021-05-25 15:01 ` [PULL 003/114] hw/arm/mps2-tz: Don't duplicate modelling of SRAM in AN524 Peter Maydell
2021-05-25 15:01 ` [PULL 004/114] hw/arm/mps2-tz: Make SRAM_ADDR_WIDTH board-specific Peter Maydell
2021-05-25 15:01 ` [PULL 005/114] hw/arm/armsse.c: Correct modelling of SSE-300 internal SRAMs Peter Maydell
2021-05-25 15:01 ` [PULL 006/114] hw/arm/armsse: Convert armsse_realize() to use ERRP_GUARD Peter Maydell
2021-05-25 15:01 ` [PULL 007/114] hw/arm/mps2-tz: Allow board to specify a boot RAM size Peter Maydell
2021-05-25 15:01 ` [PULL 008/114] hw/arm: Model TCMs in the SSE-300, not the AN547 Peter Maydell
2021-05-25 15:01 ` [PULL 009/114] target/arm: Use correct SP in M-profile exception return Peter Maydell
2021-05-25 15:01 ` [PULL 010/114] accel/tcg: Replace g_new() + memcpy() by g_memdup() Peter Maydell
2021-05-25 15:01 ` [PULL 011/114] accel/tcg: Pass length argument to tlb_flush_range_locked() Peter Maydell
2021-05-25 15:01 ` [PULL 012/114] accel/tlb: Rename TLBFlushPageBitsByMMUIdxData -> TLBFlushRangeData Peter Maydell
2021-05-25 15:01 ` [PULL 013/114] accel/tcg: Remove {encode,decode}_pbm_to_runon Peter Maydell
2021-05-25 15:01 ` [PULL 014/114] accel/tcg: Add tlb_flush_range_by_mmuidx() Peter Maydell
2021-05-25 15:01 ` [PULL 015/114] accel/tcg: Add tlb_flush_range_by_mmuidx_all_cpus() Peter Maydell
2021-05-25 15:01 ` [PULL 016/114] accel/tlb: Add tlb_flush_range_by_mmuidx_all_cpus_synced() Peter Maydell
2021-05-25 15:01 ` [PULL 017/114] accel/tcg: Rename tlb_flush_page_bits -> range]_by_mmuidx_async_0 Peter Maydell
2021-05-25 15:01 ` [PULL 018/114] accel/tlb: Rename tlb_flush_[page_bits > range]_by_mmuidx_async_[2 > 1] Peter Maydell
2021-05-25 15:01 ` [PULL 019/114] target/arm: Add support for FEAT_TLBIRANGE Peter Maydell
2021-05-25 15:01 ` [PULL 020/114] target/arm: Add support for FEAT_TLBIOS Peter Maydell
2021-05-25 15:01 ` [PULL 021/114] target/arm: set ID_AA64ISAR0.TLB to 2 for max AARCH64 CPU type Peter Maydell
2021-05-25 15:01 ` [PULL 022/114] disas/libvixl: Protect C system header for C++ compiler Peter Maydell
2021-05-25 15:01 ` [PULL 023/114] target/arm: Add ID_AA64ZFR0 fields and isar_feature_aa64_sve2 Peter Maydell
2021-05-25 15:01 ` [PULL 024/114] target/arm: Implement SVE2 Integer Multiply - Unpredicated Peter Maydell
2021-05-25 15:01 ` [PULL 025/114] target/arm: Implement SVE2 integer pairwise add and accumulate long Peter Maydell
2021-05-25 15:01 ` [PULL 026/114] target/arm: Implement SVE2 integer unary operations (predicated) Peter Maydell
2021-05-25 15:01 ` [PULL 027/114] target/arm: Split out saturating/rounding shifts from neon Peter Maydell
2021-05-25 15:01 ` [PULL 028/114] target/arm: Implement SVE2 saturating/rounding bitwise shift left (predicated) Peter Maydell
2021-05-25 15:01 ` [PULL 029/114] target/arm: Implement SVE2 integer halving add/subtract (predicated) Peter Maydell
2021-05-25 15:02 ` [PULL 030/114] target/arm: Implement SVE2 integer pairwise arithmetic Peter Maydell
2021-05-25 15:02 ` [PULL 031/114] target/arm: Implement SVE2 saturating add/subtract (predicated) Peter Maydell
2021-05-25 15:02 ` [PULL 032/114] target/arm: Implement SVE2 integer add/subtract long Peter Maydell
2021-05-25 15:02 ` [PULL 033/114] target/arm: Implement SVE2 integer add/subtract interleaved long Peter Maydell
2021-05-25 15:02 ` [PULL 034/114] target/arm: Implement SVE2 integer add/subtract wide Peter Maydell
2021-05-25 15:02 ` [PULL 035/114] target/arm: Implement SVE2 integer multiply long Peter Maydell
2021-05-25 15:02 ` [PULL 036/114] target/arm: Implement SVE2 PMULLB, PMULLT Peter Maydell
2021-05-25 15:02 ` [PULL 037/114] target/arm: Implement SVE2 bitwise shift left long Peter Maydell
2021-05-25 15:02 ` [PULL 038/114] target/arm: Implement SVE2 bitwise exclusive-or interleaved Peter Maydell
2021-05-25 15:02 ` [PULL 039/114] target/arm: Implement SVE2 bitwise permute Peter Maydell
2021-05-25 15:02 ` [PULL 040/114] target/arm: Implement SVE2 complex integer add Peter Maydell
2021-05-25 15:02 ` [PULL 041/114] target/arm: Implement SVE2 integer absolute difference and accumulate long Peter Maydell
2021-05-25 15:02 ` [PULL 042/114] target/arm: Implement SVE2 integer add/subtract long with carry Peter Maydell
2021-05-25 15:02 ` [PULL 043/114] target/arm: Implement SVE2 bitwise shift right and accumulate Peter Maydell
2021-05-25 15:02 ` [PULL 044/114] target/arm: Implement SVE2 bitwise shift and insert Peter Maydell
2021-05-25 15:02 ` [PULL 045/114] target/arm: Implement SVE2 integer absolute difference and accumulate Peter Maydell
2021-05-25 15:02 ` [PULL 046/114] target/arm: Implement SVE2 saturating extract narrow Peter Maydell
2021-05-25 15:02 ` [PULL 047/114] target/arm: Implement SVE2 floating-point pairwise Peter Maydell
2021-05-25 15:02 ` [PULL 048/114] target/arm: Implement SVE2 SHRN, RSHRN Peter Maydell
2021-05-25 15:02 ` [PULL 049/114] target/arm: Implement SVE2 SQSHRUN, SQRSHRUN Peter Maydell
2021-05-25 15:02 ` [PULL 050/114] target/arm: Implement SVE2 UQSHRN, UQRSHRN Peter Maydell
2021-05-25 15:02 ` [PULL 051/114] target/arm: Implement SVE2 SQSHRN, SQRSHRN Peter Maydell
2021-05-25 15:02 ` [PULL 052/114] target/arm: Implement SVE2 WHILEGT, WHILEGE, WHILEHI, WHILEHS Peter Maydell
2021-05-25 15:02 ` [PULL 053/114] target/arm: Implement SVE2 WHILERW, WHILEWR Peter Maydell
2021-05-25 15:02 ` [PULL 054/114] target/arm: Implement SVE2 bitwise ternary operations Peter Maydell
2021-05-25 15:02 ` [PULL 055/114] target/arm: Implement SVE2 MATCH, NMATCH Peter Maydell
2021-05-25 15:02 ` [PULL 056/114] target/arm: Implement SVE2 saturating multiply-add long Peter Maydell
2021-05-25 15:02 ` [PULL 057/114] target/arm: Implement SVE2 saturating multiply-add high Peter Maydell
2021-05-25 15:02 ` [PULL 058/114] target/arm: Implement SVE2 integer multiply-add long Peter Maydell
2021-05-25 15:02 ` [PULL 059/114] target/arm: Implement SVE2 complex integer multiply-add Peter Maydell
2021-05-25 15:02 ` [PULL 060/114] target/arm: Implement SVE2 ADDHNB, ADDHNT Peter Maydell
2021-05-25 15:02 ` [PULL 061/114] target/arm: Implement SVE2 RADDHNB, RADDHNT Peter Maydell
2021-05-25 15:02 ` [PULL 062/114] target/arm: Implement SVE2 SUBHNB, SUBHNT Peter Maydell
2021-05-25 15:02 ` [PULL 063/114] target/arm: Implement SVE2 RSUBHNB, RSUBHNT Peter Maydell
2021-05-25 15:02 ` [PULL 064/114] target/arm: Implement SVE2 HISTCNT, HISTSEG Peter Maydell
2021-05-25 15:02 ` [PULL 065/114] target/arm: Implement SVE2 XAR Peter Maydell
2021-05-25 15:02 ` [PULL 066/114] target/arm: Implement SVE2 scatter store insns Peter Maydell
2021-05-25 15:02 ` [PULL 067/114] target/arm: Implement SVE2 gather load insns Peter Maydell
2021-05-25 15:02 ` [PULL 068/114] target/arm: Implement SVE2 FMMLA Peter Maydell
2021-05-25 15:02 ` [PULL 069/114] target/arm: Implement SVE2 SPLICE, EXT Peter Maydell
2021-05-25 15:02 ` [PULL 070/114] target/arm: Use correct output type for gvec_sdot_*_b Peter Maydell
2021-05-25 15:02 ` [PULL 071/114] target/arm: Pass separate addend to {U, S}DOT helpers Peter Maydell
2021-05-25 15:02 ` [PULL 072/114] target/arm: Pass separate addend to FCMLA helpers Peter Maydell
2021-05-25 15:02 ` [PULL 073/114] target/arm: Split out formats for 2 vectors + 1 index Peter Maydell
2021-05-25 15:02 ` [PULL 074/114] target/arm: Split out formats for 3 " Peter Maydell
2021-05-25 15:02 ` [PULL 075/114] target/arm: Implement SVE2 integer multiply (indexed) Peter Maydell
2021-05-25 15:02 ` [PULL 076/114] target/arm: Implement SVE2 integer multiply-add (indexed) Peter Maydell
2021-05-25 15:02 ` [PULL 077/114] target/arm: Implement SVE2 saturating multiply-add high (indexed) Peter Maydell
2021-05-25 15:02 ` [PULL 078/114] target/arm: Implement SVE2 saturating multiply-add (indexed) Peter Maydell
2021-05-25 15:02 ` [PULL 079/114] target/arm: Implement SVE2 saturating multiply (indexed) Peter Maydell
2021-05-25 15:02 ` [PULL 080/114] target/arm: Implement SVE2 signed saturating doubling multiply high Peter Maydell
2021-05-25 15:02 ` [PULL 081/114] target/arm: Implement SVE2 saturating multiply high (indexed) Peter Maydell
2021-05-25 15:02 ` [PULL 082/114] target/arm: Implement SVE2 multiply-add long (indexed) Peter Maydell
2021-05-25 15:02 ` [PULL 083/114] target/arm: Implement SVE2 integer multiply " Peter Maydell
2021-05-25 15:02 ` [PULL 084/114] target/arm: Implement SVE2 complex integer multiply-add (indexed) Peter Maydell
2021-05-25 15:02 ` Peter Maydell [this message]
2021-05-25 15:02 ` [PULL 086/114] target/arm: Macroize helper_gvec_{s,u}dot_{b,h} Peter Maydell
2021-05-25 15:02 ` [PULL 087/114] target/arm: Macroize helper_gvec_{s,u}dot_idx_{b,h} Peter Maydell
2021-05-25 15:02 ` [PULL 088/114] target/arm: Implement SVE mixed sign dot product (indexed) Peter Maydell
2021-05-25 15:02 ` [PULL 089/114] target/arm: Implement SVE mixed sign dot product Peter Maydell
2021-05-25 15:03 ` [PULL 090/114] target/arm: Implement SVE2 crypto unary operations Peter Maydell
2021-05-25 15:03 ` [PULL 091/114] target/arm: Implement SVE2 crypto destructive binary operations Peter Maydell
2021-05-25 15:03 ` [PULL 092/114] target/arm: Implement SVE2 crypto constructive " Peter Maydell
2021-05-25 15:03 ` [PULL 093/114] target/arm: Implement SVE2 TBL, TBX Peter Maydell
2021-05-25 15:03 ` [PULL 094/114] target/arm: Implement SVE2 FCVTNT Peter Maydell
2021-05-25 16:30 ` [PULL 000/114] target-arm queue Peter Maydell

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