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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-arm@nongnu.org
Subject: [PATCH v5 07/81] target/arm: Implement SVE2 integer halving add/subtract (predicated)
Date: Fri, 16 Apr 2021 14:01:26 -0700
Message-ID: <20210416210240.1591291-8-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/helper-sve.h    | 54 ++++++++++++++++++++++++++++++++++++++
 target/arm/sve.decode      | 11 ++++++++
 target/arm/sve_helper.c    | 39 +++++++++++++++++++++++++++
 target/arm/translate-sve.c |  8 ++++++
 4 files changed, 112 insertions(+)

diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h
index 62106c74be..5fdc0d223a 100644
--- a/target/arm/helper-sve.h
+++ b/target/arm/helper-sve.h
@@ -226,6 +226,60 @@ DEF_HELPER_FLAGS_5(sve2_uqrshl_zpzz_s, TCG_CALL_NO_RWG,
 DEF_HELPER_FLAGS_5(sve2_uqrshl_zpzz_d, TCG_CALL_NO_RWG,
                    void, ptr, ptr, ptr, ptr, i32)
 
+DEF_HELPER_FLAGS_5(sve2_shadd_zpzz_b, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_shadd_zpzz_h, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_shadd_zpzz_s, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_shadd_zpzz_d, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(sve2_uhadd_zpzz_b, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_uhadd_zpzz_h, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_uhadd_zpzz_s, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_uhadd_zpzz_d, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(sve2_srhadd_zpzz_b, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_srhadd_zpzz_h, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_srhadd_zpzz_s, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_srhadd_zpzz_d, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(sve2_urhadd_zpzz_b, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_urhadd_zpzz_h, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_urhadd_zpzz_s, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_urhadd_zpzz_d, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(sve2_shsub_zpzz_b, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_shsub_zpzz_h, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_shsub_zpzz_s, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_shsub_zpzz_d, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+
+DEF_HELPER_FLAGS_5(sve2_uhsub_zpzz_b, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_uhsub_zpzz_h, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_uhsub_zpzz_s, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_5(sve2_uhsub_zpzz_d, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, i32)
+
 DEF_HELPER_FLAGS_5(sve_sdiv_zpzz_s, TCG_CALL_NO_RWG,
                    void, ptr, ptr, ptr, ptr, i32)
 DEF_HELPER_FLAGS_5(sve_sdiv_zpzz_d, TCG_CALL_NO_RWG,
diff --git a/target/arm/sve.decode b/target/arm/sve.decode
index 93f2479693..58c3f7ede4 100644
--- a/target/arm/sve.decode
+++ b/target/arm/sve.decode
@@ -1129,3 +1129,14 @@ SQRSHL          01000100 .. 001 010 100 ... ..... .....  @rdn_pg_rm
 UQRSHL          01000100 .. 001 011 100 ... ..... .....  @rdn_pg_rm
 SQRSHL          01000100 .. 001 110 100 ... ..... .....  @rdm_pg_rn # SQRSHLR
 UQRSHL          01000100 .. 001 111 100 ... ..... .....  @rdm_pg_rn # UQRSHLR
+
+### SVE2 integer halving add/subtract (predicated)
+
+SHADD           01000100 .. 010 000 100 ... ..... .....  @rdn_pg_rm
+UHADD           01000100 .. 010 001 100 ... ..... .....  @rdn_pg_rm
+SHSUB           01000100 .. 010 010 100 ... ..... .....  @rdn_pg_rm
+UHSUB           01000100 .. 010 011 100 ... ..... .....  @rdn_pg_rm
+SRHADD          01000100 .. 010 100 100 ... ..... .....  @rdn_pg_rm
+URHADD          01000100 .. 010 101 100 ... ..... .....  @rdn_pg_rm
+SHSUB           01000100 .. 010 110 100 ... ..... .....  @rdm_pg_rn # SHSUBR
+UHSUB           01000100 .. 010 111 100 ... ..... .....  @rdm_pg_rn # UHSUBR
diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c
index 7eff204c3b..3703b96eb4 100644
--- a/target/arm/sve_helper.c
+++ b/target/arm/sve_helper.c
@@ -639,6 +639,45 @@ DO_ZPZZ(sve2_uqrshl_zpzz_h, uint16_t, H1_2, do_uqrshl_h)
 DO_ZPZZ(sve2_uqrshl_zpzz_s, uint32_t, H1_4, do_uqrshl_s)
 DO_ZPZZ_D(sve2_uqrshl_zpzz_d, uint64_t, do_uqrshl_d)
 
+#define DO_HADD_BHS(n, m)  (((int64_t)n + m) >> 1)
+#define DO_HADD_D(n, m)    ((n >> 1) + (m >> 1) + (n & m & 1))
+
+DO_ZPZZ(sve2_shadd_zpzz_b, int8_t, H1_2, DO_HADD_BHS)
+DO_ZPZZ(sve2_shadd_zpzz_h, int16_t, H1_2, DO_HADD_BHS)
+DO_ZPZZ(sve2_shadd_zpzz_s, int32_t, H1_4, DO_HADD_BHS)
+DO_ZPZZ_D(sve2_shadd_zpzz_d, int64_t, DO_HADD_D)
+
+DO_ZPZZ(sve2_uhadd_zpzz_b, uint8_t, H1_2, DO_HADD_BHS)
+DO_ZPZZ(sve2_uhadd_zpzz_h, uint16_t, H1_2, DO_HADD_BHS)
+DO_ZPZZ(sve2_uhadd_zpzz_s, uint32_t, H1_4, DO_HADD_BHS)
+DO_ZPZZ_D(sve2_uhadd_zpzz_d, uint64_t, DO_HADD_D)
+
+#define DO_RHADD_BHS(n, m)  (((int64_t)n + m + 1) >> 1)
+#define DO_RHADD_D(n, m)    ((n >> 1) + (m >> 1) + ((n | m) & 1))
+
+DO_ZPZZ(sve2_srhadd_zpzz_b, int8_t, H1_2, DO_RHADD_BHS)
+DO_ZPZZ(sve2_srhadd_zpzz_h, int16_t, H1_2, DO_RHADD_BHS)
+DO_ZPZZ(sve2_srhadd_zpzz_s, int32_t, H1_4, DO_RHADD_BHS)
+DO_ZPZZ_D(sve2_srhadd_zpzz_d, int64_t, DO_RHADD_D)
+
+DO_ZPZZ(sve2_urhadd_zpzz_b, uint8_t, H1_2, DO_RHADD_BHS)
+DO_ZPZZ(sve2_urhadd_zpzz_h, uint16_t, H1_2, DO_RHADD_BHS)
+DO_ZPZZ(sve2_urhadd_zpzz_s, uint32_t, H1_4, DO_RHADD_BHS)
+DO_ZPZZ_D(sve2_urhadd_zpzz_d, uint64_t, DO_RHADD_D)
+
+#define DO_HSUB_BHS(n, m)  (((int64_t)n - m) >> 1)
+#define DO_HSUB_D(n, m)    ((n >> 1) - (m >> 1) - (~n & m & 1))
+
+DO_ZPZZ(sve2_shsub_zpzz_b, int8_t, H1_2, DO_HSUB_BHS)
+DO_ZPZZ(sve2_shsub_zpzz_h, int16_t, H1_2, DO_HSUB_BHS)
+DO_ZPZZ(sve2_shsub_zpzz_s, int32_t, H1_4, DO_HSUB_BHS)
+DO_ZPZZ_D(sve2_shsub_zpzz_d, int64_t, DO_HSUB_D)
+
+DO_ZPZZ(sve2_uhsub_zpzz_b, uint8_t, H1_2, DO_HSUB_BHS)
+DO_ZPZZ(sve2_uhsub_zpzz_h, uint16_t, H1_2, DO_HSUB_BHS)
+DO_ZPZZ(sve2_uhsub_zpzz_s, uint32_t, H1_4, DO_HSUB_BHS)
+DO_ZPZZ_D(sve2_uhsub_zpzz_d, uint64_t, DO_HSUB_D)
+
 #undef DO_ZPZZ
 #undef DO_ZPZZ_D
 
diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c
index 6c1561d897..43690999ab 100644
--- a/target/arm/translate-sve.c
+++ b/target/arm/translate-sve.c
@@ -5949,3 +5949,11 @@ DO_SVE2_ZPZZ(SRSHL, srshl)
 DO_SVE2_ZPZZ(UQSHL, uqshl)
 DO_SVE2_ZPZZ(UQRSHL, uqrshl)
 DO_SVE2_ZPZZ(URSHL, urshl)
+
+DO_SVE2_ZPZZ(SHADD, shadd)
+DO_SVE2_ZPZZ(SRHADD, srhadd)
+DO_SVE2_ZPZZ(SHSUB, shsub)
+
+DO_SVE2_ZPZZ(UHADD, uhadd)
+DO_SVE2_ZPZZ(URHADD, urhadd)
+DO_SVE2_ZPZZ(UHSUB, uhsub)
-- 
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 ` Richard Henderson [this message]
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 ` [PATCH v5 59/81] target/arm: Implement SVE mixed sign dot product (indexed) Richard Henderson
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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