qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: LIU Zhiwei <zhiwei_liu@c-sky.com>
To: qemu-devel@nongnu.org
Cc: richard.henderson@linaro.org, LIU Zhiwei <zhiwei_liu@c-sky.com>,
	qemu-riscv@nongnu.org, palmer@dabbelt.com, alistair23@gmail.com
Subject: [PATCH 27/38] target/riscv: 32-bit Computation Instructions
Date: Fri, 12 Feb 2021 23:02:45 +0800	[thread overview]
Message-ID: <20210212150256.885-28-zhiwei_liu@c-sky.com> (raw)
In-Reply-To: <20210212150256.885-1-zhiwei_liu@c-sky.com>

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
---
 target/riscv/helper.h                   |  9 +++
 target/riscv/insn32.decode              |  9 +++
 target/riscv/insn_trans/trans_rvp.c.inc | 10 +++
 target/riscv/packed_helper.c            | 92 +++++++++++++++++++++++++
 4 files changed, 120 insertions(+)

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index a6f62295e9..93bb26d207 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1381,3 +1381,12 @@ DEF_HELPER_4(kdmabb, tl, env, tl, tl, tl)
 DEF_HELPER_4(kdmabt, tl, env, tl, tl, tl)
 DEF_HELPER_4(kdmatt, tl, env, tl, tl, tl)
 DEF_HELPER_2(kabsw, tl, env, tl)
+
+DEF_HELPER_3(raddw, tl, env, tl, tl)
+DEF_HELPER_3(uraddw, tl, env, tl, tl)
+DEF_HELPER_3(rsubw, tl, env, tl, tl)
+DEF_HELPER_3(ursubw, tl, env, tl, tl)
+DEF_HELPER_3(maxw, tl, env, tl, tl)
+DEF_HELPER_3(minw, tl, env, tl, tl)
+DEF_HELPER_3(mulr64, i64, env, tl, tl)
+DEF_HELPER_3(mulsr64, i64, env, tl, tl)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 0b8f8d4c42..342b6d64c3 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -852,3 +852,12 @@ kdmabb     1101001  ..... ..... 001 ..... 1111111 @r
 kdmabt     1110001  ..... ..... 001 ..... 1111111 @r
 kdmatt     1111001  ..... ..... 001 ..... 1111111 @r
 kabsw      1010110  10100 ..... 000 ..... 1111111 @r2
+
+raddw      0010000  ..... ..... 001 ..... 1111111 @r
+uraddw     0011000  ..... ..... 001 ..... 1111111 @r
+rsubw      0010001  ..... ..... 001 ..... 1111111 @r
+ursubw     0011001  ..... ..... 001 ..... 1111111 @r
+maxw       1111001  ..... ..... 000 ..... 1111111 @r
+minw       1111000  ..... ..... 000 ..... 1111111 @r
+mulr64     1111000  ..... ..... 001 ..... 1111111 @r
+mulsr64    1110000  ..... ..... 001 ..... 1111111 @r
diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc
index a57776303a..676c193f07 100644
--- a/target/riscv/insn_trans/trans_rvp.c.inc
+++ b/target/riscv/insn_trans/trans_rvp.c.inc
@@ -846,3 +846,13 @@ GEN_RVP_R_ACC_OOL(kdmabb);
 GEN_RVP_R_ACC_OOL(kdmabt);
 GEN_RVP_R_ACC_OOL(kdmatt);
 GEN_RVP_R2_OOL(kabsw);
+
+/* 32-bit Computation Instructions */
+GEN_RVP_R_OOL(raddw);
+GEN_RVP_R_OOL(uraddw);
+GEN_RVP_R_OOL(rsubw);
+GEN_RVP_R_OOL(ursubw);
+GEN_RVP_R_OOL(minw);
+GEN_RVP_R_OOL(maxw);
+GEN_RVP_R_D64_OOL(mulr64);
+GEN_RVP_R_D64_OOL(mulsr64);
diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c
index d2f7ec26f9..34af713020 100644
--- a/target/riscv/packed_helper.c
+++ b/target/riscv/packed_helper.c
@@ -2827,3 +2827,95 @@ static inline void do_kabsw(CPURISCVState *env, void *vd, void *va, uint8_t i)
 }
 
 RVPR2(kabsw, 2, 4);
+
+/* 32-bit Computation Instructions */
+static inline void do_raddw(CPURISCVState *env, void *vd, void *va,
+                            void *vb, uint8_t i)
+{
+    int32_t *a = va, *b = vb;
+    target_long *d = vd;
+
+    *d = hadd32(a[H4(i)], b[H4(i)]);
+}
+
+RVPR(raddw, 2, 4);
+
+static inline void do_uraddw(CPURISCVState *env, void *vd, void *va,
+                             void *vb, uint8_t i)
+{
+    uint32_t *a = va, *b = vb;
+    target_long *d = vd;
+
+    *d = (int32_t)haddu32(a[H4(i)], b[H4(i)]);
+}
+
+RVPR(uraddw, 2, 4);
+
+static inline void do_rsubw(CPURISCVState *env, void *vd, void *va,
+                            void *vb, uint8_t i)
+{
+    int32_t *a = va, *b = vb;
+    target_long *d = vd;
+
+    *d = hsub32(a[H4(i)], b[H4(i)]);
+}
+
+RVPR(rsubw, 2, 4);
+
+static inline void do_ursubw(CPURISCVState *env, void *vd, void *va,
+                             void *vb, uint8_t i)
+{
+    uint32_t *a = va, *b = vb;
+    target_long *d = vd;
+
+    *d = (int32_t)hsubu64(a[H4(i)], b[H4(i)]);
+}
+
+RVPR(ursubw, 2, 4);
+
+static inline void do_maxw(CPURISCVState *env, void *vd, void *va,
+                            void *vb, uint8_t i)
+{
+    target_long *d = vd;
+    int32_t *a = va, *b = vb;
+
+    *d = (a[H4(i)] > b[H4(i)]) ? a[H4(i)] : b[H4(i)];
+}
+
+RVPR(maxw, 2, 4);
+
+static inline void do_minw(CPURISCVState *env, void *vd, void *va,
+                           void *vb, uint8_t i)
+{
+    target_long *d = vd;
+    int32_t *a = va, *b = vb;
+
+    *d = (a[H4(i)] < b[H4(i)]) ? a[H4(i)] : b[H4(i)];
+}
+
+RVPR(minw, 2, 4);
+
+static inline void do_mulr64(CPURISCVState *env, void *vd, void *va,
+                             void *vb, uint8_t i)
+{
+    uint64_t *d = vd;
+    uint32_t *a = va, *b = vb;
+
+    *d = (uint64_t)a[H4(0)] * b[H4(0)];
+}
+
+RVPR64(mulr64);
+
+static inline void do_mulsr64(CPURISCVState *env, void *vd, void *va,
+                              void *vb, uint8_t i)
+{
+    int32_t *d = vd;
+    int64_t result;
+    int32_t *a = va, *b = vb;
+
+    result = (int64_t)a[H4(0)] * b[H4(0)];
+    d[H4(1)] = result >> 32;
+    d[H4(0)] = result & UINT32_MAX;
+}
+
+RVPR64(mulsr64);
-- 
2.17.1



  parent reply	other threads:[~2021-02-12 16:00 UTC|newest]

Thread overview: 75+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-12 15:02 [PATCH 00/38] target/riscv: support packed extension v0.9.2 LIU Zhiwei
2021-02-12 15:02 ` [PATCH 01/38] target/riscv: implementation-defined constant parameters LIU Zhiwei
2021-03-09 14:08   ` Alistair Francis
2021-02-12 15:02 ` [PATCH 02/38] target/riscv: Hoist vector functions LIU Zhiwei
2021-03-09 14:10   ` Alistair Francis
2021-02-12 15:02 ` [PATCH 03/38] target/riscv: Fixup saturate subtract function LIU Zhiwei
2021-02-12 18:52   ` Richard Henderson
2021-03-09 14:11   ` Alistair Francis
2021-02-12 15:02 ` [PATCH 04/38] target/riscv: 16-bit Addition & Subtraction Instructions LIU Zhiwei
2021-02-12 18:03   ` Richard Henderson
2021-02-18  8:39     ` LIU Zhiwei
2021-02-18 16:20       ` Richard Henderson
2021-02-12 19:02   ` Richard Henderson
2021-02-18  8:47     ` LIU Zhiwei
2021-02-18 16:21       ` Richard Henderson
2021-02-12 15:02 ` [PATCH 05/38] target/riscv: 8-bit Addition & Subtraction Instruction LIU Zhiwei
2021-03-15 21:22   ` Alistair Francis
2021-05-24  1:00     ` Palmer Dabbelt
2021-05-26  5:43       ` LIU Zhiwei
2021-05-26  6:15         ` Palmer Dabbelt
2021-02-12 15:02 ` [PATCH 06/38] target/riscv: SIMD 16-bit Shift Instructions LIU Zhiwei
2021-03-15 21:25   ` Alistair Francis
2021-03-16  2:40     ` LIU Zhiwei
2021-03-16 19:54       ` Alistair Francis
2021-03-17  2:30         ` LIU Zhiwei
2021-03-17 20:39           ` Alistair Francis
2021-02-12 15:02 ` [PATCH 07/38] target/riscv: SIMD 8-bit " LIU Zhiwei
2021-03-15 21:27   ` Alistair Francis
2021-05-24  4:46   ` Palmer Dabbelt
2021-02-12 15:02 ` [PATCH 08/38] target/riscv: SIMD 16-bit Compare Instructions LIU Zhiwei
2021-03-15 21:28   ` Alistair Francis
2021-05-26  5:30   ` Palmer Dabbelt
2021-05-26  5:31     ` Palmer Dabbelt
2021-02-12 15:02 ` [PATCH 09/38] target/riscv: SIMD 8-bit " LIU Zhiwei
2021-03-15 21:31   ` Alistair Francis
2021-02-12 15:02 ` [PATCH 10/38] target/riscv: SIMD 16-bit Multiply Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 11/38] target/riscv: SIMD 8-bit " LIU Zhiwei
2021-03-15 21:33   ` Alistair Francis
2021-02-12 15:02 ` [PATCH 12/38] target/riscv: SIMD 16-bit Miscellaneous Instructions LIU Zhiwei
2021-03-15 21:35   ` Alistair Francis
2021-02-12 15:02 ` [PATCH 13/38] target/riscv: SIMD 8-bit " LIU Zhiwei
2021-03-16 14:38   ` Alistair Francis
2021-02-12 15:02 ` [PATCH 14/38] target/riscv: 8-bit Unpacking Instructions LIU Zhiwei
2021-03-16 14:40   ` Alistair Francis
2021-02-12 15:02 ` [PATCH 15/38] target/riscv: 16-bit Packing Instructions LIU Zhiwei
2021-03-16 14:42   ` Alistair Francis
2021-02-12 15:02 ` [PATCH 16/38] target/riscv: Signed MSW 32x32 Multiply and Add Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 17/38] target/riscv: Signed MSW 32x16 " LIU Zhiwei
2021-03-16 16:01   ` Alistair Francis
2021-02-12 15:02 ` [PATCH 18/38] target/riscv: Signed 16-bit Multiply 32-bit Add/Subtract Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 19/38] target/riscv: Signed 16-bit Multiply 64-bit " LIU Zhiwei
2021-02-12 15:02 ` [PATCH 20/38] target/riscv: Partial-SIMD Miscellaneous Instructions LIU Zhiwei
2021-03-16 19:44   ` Alistair Francis
2021-02-12 15:02 ` [PATCH 21/38] target/riscv: 8-bit Multiply with 32-bit Add Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 22/38] target/riscv: 64-bit Add/Subtract Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 23/38] target/riscv: 32-bit Multiply " LIU Zhiwei
2021-02-12 15:02 ` [PATCH 24/38] target/riscv: Signed 16-bit Multiply with " LIU Zhiwei
2021-02-12 15:02 ` [PATCH 25/38] target/riscv: Non-SIMD Q15 saturation ALU Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 26/38] target/riscv: Non-SIMD Q31 " LIU Zhiwei
2021-02-12 15:02 ` LIU Zhiwei [this message]
2021-02-12 15:02 ` [PATCH 28/38] target/riscv: Non-SIMD Miscellaneous Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 29/38] target/riscv: RV64 Only SIMD 32-bit Add/Subtract Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 30/38] target/riscv: RV64 Only SIMD 32-bit Shift Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 31/38] target/riscv: RV64 Only SIMD 32-bit Miscellaneous Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 32/38] target/riscv: RV64 Only SIMD Q15 saturating Multiply Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 33/38] target/riscv: RV64 Only 32-bit " LIU Zhiwei
2021-02-12 15:02 ` [PATCH 34/38] target/riscv: RV64 Only 32-bit Multiply & Add Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 35/38] target/riscv: RV64 Only 32-bit Parallel " LIU Zhiwei
2021-02-12 15:02 ` [PATCH 36/38] target/riscv: RV64 Only Non-SIMD 32-bit Shift Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 37/38] target/riscv: RV64 Only 32-bit Packing Instructions LIU Zhiwei
2021-02-12 15:02 ` [PATCH 38/38] target/riscv: configure and turn on packed extension from command line LIU Zhiwei
2021-03-05  6:14 ` [PATCH 00/38] target/riscv: support packed extension v0.9.2 LIU Zhiwei
2021-04-13  3:27 ` LIU Zhiwei
2021-04-15  4:46   ` Alistair Francis
2021-04-15  5:50     ` LIU Zhiwei

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210212150256.885-28-zhiwei_liu@c-sky.com \
    --to=zhiwei_liu@c-sky.com \
    --cc=alistair23@gmail.com \
    --cc=palmer@dabbelt.com \
    --cc=qemu-devel@nongnu.org \
    --cc=qemu-riscv@nongnu.org \
    --cc=richard.henderson@linaro.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).