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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Subject: [PATCH v5 59/81] target/arm: Implement SVE mixed sign dot product (indexed)
Date: Fri, 16 Apr 2021 14:02:18 -0700
Message-ID: <20210416210240.1591291-60-richard.henderson@linaro.org> (raw)
In-Reply-To: <20210416210240.1591291-1-richard.henderson@linaro.org>

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/cpu.h           |  5 +++
 target/arm/helper.h        |  4 +++
 target/arm/sve.decode      |  4 +++
 target/arm/translate-sve.c | 16 +++++++++
 target/arm/vec_helper.c    | 68 ++++++++++++++++++++++++++++++++++++++
 5 files changed, 97 insertions(+)

diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index e44bb8973a..132ac5d8ec 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -4246,6 +4246,11 @@ static inline bool isar_feature_aa64_sve2_bitperm(const ARMISARegisters *id)
     return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, BITPERM) != 0;
 }
 
+static inline bool isar_feature_aa64_sve_i8mm(const ARMISARegisters *id)
+{
+    return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, I8MM) != 0;
+}
+
 static inline bool isar_feature_aa64_sve2_f32mm(const ARMISARegisters *id)
 {
     return FIELD_EX64(id->id_aa64zfr0, ID_AA64ZFR0, F32MM) != 0;
diff --git a/target/arm/helper.h b/target/arm/helper.h
index e7c463fff5..e4c6458f98 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -621,6 +621,10 @@ DEF_HELPER_FLAGS_5(gvec_sdot_idx_h, TCG_CALL_NO_RWG,
                    void, ptr, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_5(gvec_udot_idx_h, TCG_CALL_NO_RWG,
                    void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_sudot_idx_b, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(gvec_usdot_idx_b, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
 
 DEF_HELPER_FLAGS_5(gvec_fcaddh, TCG_CALL_NO_RWG,
                    void, ptr, ptr, ptr, ptr, i32)
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 35010d755f..05360e2608 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -813,6 +813,10 @@ SQRDMLSH_zzxz_h 01000100 0. 1 ..... 000101 ..... .....   @rrxr_3 esz=1
 SQRDMLSH_zzxz_s 01000100 10 1 ..... 000101 ..... .....   @rrxr_2 esz=2
 SQRDMLSH_zzxz_d 01000100 11 1 ..... 000101 ..... .....   @rrxr_1 esz=3
 
+# SVE mixed sign dot product (indexed)
+USDOT_zzxw_s    01000100 10 1 ..... 000110 ..... .....   @rrxr_2 esz=2
+SUDOT_zzxw_s    01000100 10 1 ..... 000111 ..... .....   @rrxr_2 esz=2
+
 # SVE2 saturating multiply-add (indexed)
 SQDMLALB_zzxw_s 01000100 10 1 ..... 0010.0 ..... .....   @rrxr_3a esz=2
 SQDMLALB_zzxw_d 01000100 11 1 ..... 0010.0 ..... .....   @rrxr_2a esz=3
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index b43bf939f5..1f07131cff 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -3838,6 +3838,22 @@ DO_RRXR(trans_SDOT_zzxw_d, gen_helper_gvec_sdot_idx_h)
 DO_RRXR(trans_UDOT_zzxw_s, gen_helper_gvec_udot_idx_b)
 DO_RRXR(trans_UDOT_zzxw_d, gen_helper_gvec_udot_idx_h)
 
+static bool trans_SUDOT_zzxw_s(DisasContext *s, arg_rrxr_esz *a)
+{
+    if (!dc_isar_feature(aa64_sve_i8mm, s)) {
+        return false;
+    }
+    return do_zzxz_data(s, a, gen_helper_gvec_sudot_idx_b, a->index);
+}
+
+static bool trans_USDOT_zzxw_s(DisasContext *s, arg_rrxr_esz *a)
+{
+    if (!dc_isar_feature(aa64_sve_i8mm, s)) {
+        return false;
+    }
+    return do_zzxz_data(s, a, gen_helper_gvec_usdot_idx_b, a->index);
+}
+
 #undef DO_RRXR
 
 static bool do_sve2_zzx_data(DisasContext *s, arg_rrx_esz *a,
diff --git a/target/arm/vec_helper.c b/target/arm/vec_helper.c
index 8b7269d8e1..98b707f4f5 100644
--- a/target/arm/vec_helper.c
+++ b/target/arm/vec_helper.c
@@ -677,6 +677,74 @@ void HELPER(gvec_udot_idx_b)(void *vd, void *vn, void *vm,
     clear_tail(d, opr_sz, simd_maxsz(desc));
 }
 
+void HELPER(gvec_sudot_idx_b)(void *vd, void *vn, void *vm,
+                              void *va, uint32_t desc)
+{
+    intptr_t i, segend, opr_sz = simd_oprsz(desc), opr_sz_4 = opr_sz / 4;
+    intptr_t index = simd_data(desc);
+    int32_t *d = vd, *a = va;
+    int8_t *n = vn;
+    uint8_t *m_indexed = (uint8_t *)vm + index * 4;
+
+    /*
+     * Notice the special case of opr_sz == 8, from aa64/aa32 advsimd.
+     * Otherwise opr_sz is a multiple of 16.
+     */
+    segend = MIN(4, opr_sz_4);
+    i = 0;
+    do {
+        uint8_t m0 = m_indexed[i * 4 + 0];
+        uint8_t m1 = m_indexed[i * 4 + 1];
+        uint8_t m2 = m_indexed[i * 4 + 2];
+        uint8_t m3 = m_indexed[i * 4 + 3];
+
+        do {
+            d[i] = (a[i] +
+                    n[i * 4 + 0] * m0 +
+                    n[i * 4 + 1] * m1 +
+                    n[i * 4 + 2] * m2 +
+                    n[i * 4 + 3] * m3);
+        } while (++i < segend);
+        segend = i + 4;
+    } while (i < opr_sz_4);
+
+    clear_tail(d, opr_sz, simd_maxsz(desc));
+}
+
+void HELPER(gvec_usdot_idx_b)(void *vd, void *vn, void *vm,
+                              void *va, uint32_t desc)
+{
+    intptr_t i, segend, opr_sz = simd_oprsz(desc), opr_sz_4 = opr_sz / 4;
+    intptr_t index = simd_data(desc);
+    uint32_t *d = vd, *a = va;
+    uint8_t *n = vn;
+    int8_t *m_indexed = (int8_t *)vm + index * 4;
+
+    /*
+     * Notice the special case of opr_sz == 8, from aa64/aa32 advsimd.
+     * Otherwise opr_sz is a multiple of 16.
+     */
+    segend = MIN(4, opr_sz_4);
+    i = 0;
+    do {
+        int8_t m0 = m_indexed[i * 4 + 0];
+        int8_t m1 = m_indexed[i * 4 + 1];
+        int8_t m2 = m_indexed[i * 4 + 2];
+        int8_t m3 = m_indexed[i * 4 + 3];
+
+        do {
+            d[i] = (a[i] +
+                    n[i * 4 + 0] * m0 +
+                    n[i * 4 + 1] * m1 +
+                    n[i * 4 + 2] * m2 +
+                    n[i * 4 + 3] * m3);
+        } while (++i < segend);
+        segend = i + 4;
+    } while (i < opr_sz_4);
+
+    clear_tail(d, opr_sz, simd_maxsz(desc));
+}
+
 void HELPER(gvec_sdot_idx_h)(void *vd, void *vn, void *vm,
                              void *va, uint32_t desc)
 {
-- 
2.25.1



  parent reply index

Thread overview: 84+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-16 21:01 [PATCH v5 for-6.1 00/81] target/arm: Implement SVE2 Richard Henderson
2021-04-16 21:01 ` [PATCH v5 01/81] target/arm: Add ID_AA64ZFR0 fields and isar_feature_aa64_sve2 Richard Henderson
2021-04-16 21:01 ` [PATCH v5 02/81] target/arm: Implement SVE2 Integer Multiply - Unpredicated Richard Henderson
2021-04-16 21:01 ` [PATCH v5 03/81] target/arm: Implement SVE2 integer pairwise add and accumulate long Richard Henderson
2021-04-16 21:01 ` [PATCH v5 04/81] target/arm: Implement SVE2 integer unary operations (predicated) Richard Henderson
2021-04-16 21:01 ` [PATCH v5 05/81] target/arm: Split out saturating/rounding shifts from neon Richard Henderson
2021-04-16 21:01 ` [PATCH v5 06/81] target/arm: Implement SVE2 saturating/rounding bitwise shift left (predicated) Richard Henderson
2021-04-16 21:01 ` [PATCH v5 07/81] target/arm: Implement SVE2 integer halving add/subtract (predicated) Richard Henderson
2021-04-16 21:01 ` [PATCH v5 08/81] target/arm: Implement SVE2 integer pairwise arithmetic Richard Henderson
2021-04-16 21:01 ` [PATCH v5 09/81] target/arm: Implement SVE2 saturating add/subtract (predicated) Richard Henderson
2021-04-16 21:01 ` [PATCH v5 10/81] target/arm: Implement SVE2 integer add/subtract long Richard Henderson
2021-04-16 21:01 ` [PATCH v5 11/81] target/arm: Implement SVE2 integer add/subtract interleaved long Richard Henderson
2021-04-16 21:01 ` [PATCH v5 12/81] target/arm: Implement SVE2 integer add/subtract wide Richard Henderson
2021-04-16 21:01 ` [PATCH v5 13/81] target/arm: Implement SVE2 integer multiply long Richard Henderson
2021-04-16 21:01 ` [PATCH v5 14/81] target/arm: Implement PMULLB and PMULLT Richard Henderson
2021-04-16 21:01 ` [PATCH v5 15/81] target/arm: Implement SVE2 bitwise shift left long Richard Henderson
2021-04-16 21:01 ` [PATCH v5 16/81] target/arm: Implement SVE2 bitwise exclusive-or interleaved Richard Henderson
2021-04-16 21:01 ` [PATCH v5 17/81] target/arm: Implement SVE2 bitwise permute Richard Henderson
2021-04-16 21:01 ` [PATCH v5 18/81] target/arm: Implement SVE2 complex integer add Richard Henderson
2021-04-16 21:01 ` [PATCH v5 19/81] target/arm: Implement SVE2 integer absolute difference and accumulate long Richard Henderson
2021-04-16 21:01 ` [PATCH v5 20/81] target/arm: Implement SVE2 integer add/subtract long with carry Richard Henderson
2021-04-16 21:01 ` [PATCH v5 21/81] target/arm: Implement SVE2 bitwise shift right and accumulate Richard Henderson
2021-04-16 21:01 ` [PATCH v5 22/81] target/arm: Implement SVE2 bitwise shift and insert Richard Henderson
2021-04-16 21:01 ` [PATCH v5 23/81] target/arm: Implement SVE2 integer absolute difference and accumulate Richard Henderson
2021-04-16 21:01 ` [PATCH v5 24/81] target/arm: Implement SVE2 saturating extract narrow Richard Henderson
2021-04-16 21:01 ` [PATCH v5 25/81] target/arm: Implement SVE2 floating-point pairwise Richard Henderson
2021-04-16 21:01 ` [PATCH v5 26/81] target/arm: Implement SVE2 SHRN, RSHRN Richard Henderson
2021-04-16 21:01 ` [PATCH v5 27/81] target/arm: Implement SVE2 SQSHRUN, SQRSHRUN Richard Henderson
2021-04-16 21:01 ` [PATCH v5 28/81] target/arm: Implement SVE2 UQSHRN, UQRSHRN Richard Henderson
2021-04-16 21:01 ` [PATCH v5 29/81] target/arm: Implement SVE2 SQSHRN, SQRSHRN Richard Henderson
2021-04-16 21:01 ` [PATCH v5 30/81] target/arm: Implement SVE2 WHILEGT, WHILEGE, WHILEHI, WHILEHS Richard Henderson
2021-04-16 21:01 ` [PATCH v5 31/81] target/arm: Implement SVE2 WHILERW, WHILEWR Richard Henderson
2021-04-16 21:01 ` [PATCH v5 32/81] target/arm: Implement SVE2 bitwise ternary operations Richard Henderson
2021-04-16 21:01 ` [PATCH v5 33/81] target/arm: Implement SVE2 MATCH, NMATCH Richard Henderson
2021-04-16 21:01 ` [PATCH v5 34/81] target/arm: Implement SVE2 saturating multiply-add long Richard Henderson
2021-04-16 21:01 ` [PATCH v5 35/81] target/arm: Implement SVE2 saturating multiply-add high Richard Henderson
2021-04-16 21:01 ` [PATCH v5 36/81] target/arm: Implement SVE2 integer multiply-add long Richard Henderson
2021-04-16 21:01 ` [PATCH v5 37/81] target/arm: Implement SVE2 complex integer multiply-add Richard Henderson
2021-04-16 21:01 ` [PATCH v5 38/81] target/arm: Implement SVE2 ADDHNB, ADDHNT Richard Henderson
2021-04-16 21:01 ` [PATCH v5 39/81] target/arm: Implement SVE2 RADDHNB, RADDHNT Richard Henderson
2021-04-16 21:01 ` [PATCH v5 40/81] target/arm: Implement SVE2 SUBHNB, SUBHNT Richard Henderson
2021-04-16 21:02 ` [PATCH v5 41/81] target/arm: Implement SVE2 RSUBHNB, RSUBHNT Richard Henderson
2021-04-16 21:02 ` [PATCH v5 42/81] target/arm: Implement SVE2 HISTCNT, HISTSEG Richard Henderson
2021-04-16 21:02 ` [PATCH v5 43/81] target/arm: Implement SVE2 XAR Richard Henderson
2021-04-16 21:02 ` [PATCH v5 44/81] target/arm: Implement SVE2 scatter store insns Richard Henderson
2021-04-16 21:02 ` [PATCH v5 45/81] target/arm: Implement SVE2 gather load insns Richard Henderson
2021-04-16 21:02 ` [PATCH v5 46/81] target/arm: Implement SVE2 FMMLA Richard Henderson
2021-04-16 21:02 ` [PATCH v5 47/81] target/arm: Implement SVE2 SPLICE, EXT Richard Henderson
2021-04-16 21:02 ` [PATCH v5 48/81] target/arm: Pass separate addend to {U, S}DOT helpers Richard Henderson
2021-04-16 21:02 ` [PATCH v5 49/81] target/arm: Pass separate addend to FCMLA helpers Richard Henderson
2021-05-13 10:48   ` Peter Maydell
2021-04-16 21:02 ` [PATCH v5 50/81] target/arm: Split out formats for 2 vectors + 1 index Richard Henderson
2021-04-16 21:02 ` [PATCH v5 51/81] target/arm: Split out formats for 3 " Richard Henderson
2021-04-16 21:02 ` [PATCH v5 52/81] target/arm: Implement SVE2 integer multiply (indexed) Richard Henderson
2021-04-16 21:02 ` [PATCH v5 53/81] target/arm: Implement SVE2 integer multiply-add (indexed) Richard Henderson
2021-04-16 21:02 ` [PATCH v5 54/81] target/arm: Implement SVE2 saturating multiply-add high (indexed) Richard Henderson
2021-04-16 21:02 ` [PATCH v5 55/81] target/arm: Implement SVE2 saturating multiply-add (indexed) Richard Henderson
2021-04-16 21:02 ` [PATCH v5 56/81] target/arm: Implement SVE2 saturating multiply (indexed) Richard Henderson
2021-04-16 21:02 ` [PATCH v5 57/81] target/arm: Implement SVE2 signed saturating doubling multiply high Richard Henderson
2021-04-16 21:02 ` [PATCH v5 58/81] target/arm: Implement SVE2 saturating multiply high (indexed) Richard Henderson
2021-04-16 21:02 ` Richard Henderson [this message]
2021-04-16 21:02 ` [PATCH v5 60/81] target/arm: Implement SVE mixed sign dot product Richard Henderson
2021-04-16 21:02 ` [PATCH v5 61/81] target/arm: Implement SVE2 crypto unary operations Richard Henderson
2021-04-16 21:02 ` [PATCH v5 62/81] target/arm: Implement SVE2 crypto destructive binary operations Richard Henderson
2021-04-16 21:02 ` [PATCH v5 63/81] target/arm: Implement SVE2 crypto constructive " Richard Henderson
2021-04-16 21:02 ` [PATCH v5 64/81] target/arm: Implement SVE2 TBL, TBX Richard Henderson
2021-04-16 21:02 ` [PATCH v5 65/81] target/arm: Implement SVE2 FCVTNT Richard Henderson
2021-04-16 21:02 ` [PATCH v5 66/81] target/arm: Implement SVE2 FCVTLT Richard Henderson
2021-04-16 21:02 ` [PATCH v5 67/81] target/arm: Implement SVE2 FCVTXNT, FCVTX Richard Henderson
2021-04-16 21:02 ` [PATCH v5 68/81] target/arm: Implement SVE2 FLOGB Richard Henderson
2021-04-16 21:02 ` [PATCH v5 69/81] target/arm: Share table of sve load functions Richard Henderson
2021-04-16 21:02 ` [PATCH v5 70/81] target/arm: Implement SVE2 LD1RO Richard Henderson
2021-04-16 21:02 ` [PATCH v5 71/81] target/arm: Implement 128-bit ZIP, UZP, TRN Richard Henderson
2021-04-16 21:02 ` [PATCH v5 72/81] target/arm: Implement SVE2 bitwise shift immediate Richard Henderson
2021-04-16 21:02 ` [PATCH v5 73/81] target/arm: Implement SVE2 fp multiply-add long Richard Henderson
2021-04-16 21:02 ` [PATCH v5 74/81] target/arm: Implement aarch64 SUDOT, USDOT Richard Henderson
2021-04-16 21:02 ` [PATCH v5 75/81] target/arm: Split out do_neon_ddda_fpst Richard Henderson
2021-04-16 21:02 ` [PATCH v5 76/81] target/arm: Remove unused fpst from VDOT_scalar Richard Henderson
2021-04-16 21:02 ` [PATCH v5 77/81] target/arm: Fix decode for VDOT (indexed) Richard Henderson
2021-04-16 21:02 ` [PATCH v5 78/81] target/arm: Split decode of VSDOT and VUDOT Richard Henderson
2021-04-16 21:02 ` [PATCH v5 79/81] target/arm: Implement aarch32 VSUDOT, VUSDOT Richard Henderson
2021-04-16 21:18 ` [PATCH v5 80/81] target/arm: Implement integer matrix multiply accumulate Richard Henderson
2021-04-16 21:19 ` [PATCH v5 81/81] target/arm: Enable SVE2 and some extensions Richard Henderson
2021-04-16 22:46 ` [PATCH v5 for-6.1 00/81] target/arm: Implement SVE2 no-reply

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