From: frank.chang@sifive.com
To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: Alistair Francis <Alistair.Francis@wdc.com>,
Kito Cheng <kito.cheng@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Sagar Karandikar <sagark@eecs.berkeley.edu>,
Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Subject: [RFC 01/15] target/riscv: reformat @sh format encoding for B-extension
Date: Wed, 18 Nov 2020 16:29:39 +0800 [thread overview]
Message-ID: <20201118083044.13992-2-frank.chang@sifive.com> (raw)
In-Reply-To: <20201118083044.13992-1-frank.chang@sifive.com>
From: Kito Cheng <kito.cheng@sifive.com>
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
---
target/riscv/insn32.decode | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 84080dd18ca..190ce469faf 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -22,7 +22,7 @@
%rs1 15:5
%rd 7:5
-%sh10 20:10
+%sh6 20:6
%csr 20:12
%rm 12:3
%nf 29:3 !function=ex_plus_1
@@ -58,7 +58,7 @@
@u .................... ..... ....... &u imm=%imm_u %rd
@j .................... ..... ....... &j imm=%imm_j %rd
-@sh ...... ...... ..... ... ..... ....... &shift shamt=%sh10 %rs1 %rd
+@sh ...... ...... ..... ... ..... ....... &shift shamt=%sh6 %rs1 %rd
@csr ............ ..... ... ..... ....... %csr %rs1 %rd
@atom_ld ..... aq:1 rl:1 ..... ........ ..... ....... &atomic rs2=0 %rs1 %rd
@@ -122,9 +122,9 @@ sltiu ............ ..... 011 ..... 0010011 @i
xori ............ ..... 100 ..... 0010011 @i
ori ............ ..... 110 ..... 0010011 @i
andi ............ ..... 111 ..... 0010011 @i
-slli 00.... ...... ..... 001 ..... 0010011 @sh
-srli 00.... ...... ..... 101 ..... 0010011 @sh
-srai 01.... ...... ..... 101 ..... 0010011 @sh
+slli 000000 ...... ..... 001 ..... 0010011 @sh
+srli 000000 ...... ..... 101 ..... 0010011 @sh
+srai 010000 ...... ..... 101 ..... 0010011 @sh
add 0000000 ..... ..... 000 ..... 0110011 @r
sub 0100000 ..... ..... 000 ..... 0110011 @r
sll 0000000 ..... ..... 001 ..... 0110011 @r
--
2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: frank.chang@sifive.com
To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: Kito Cheng <kito.cheng@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Alistair Francis <Alistair.Francis@wdc.com>,
Sagar Karandikar <sagark@eecs.berkeley.edu>,
Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Subject: [RFC 01/15] target/riscv: reformat @sh format encoding for B-extension
Date: Wed, 18 Nov 2020 16:29:39 +0800 [thread overview]
Message-ID: <20201118083044.13992-2-frank.chang@sifive.com> (raw)
In-Reply-To: <20201118083044.13992-1-frank.chang@sifive.com>
From: Kito Cheng <kito.cheng@sifive.com>
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
---
target/riscv/insn32.decode | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 84080dd18ca..190ce469faf 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -22,7 +22,7 @@
%rs1 15:5
%rd 7:5
-%sh10 20:10
+%sh6 20:6
%csr 20:12
%rm 12:3
%nf 29:3 !function=ex_plus_1
@@ -58,7 +58,7 @@
@u .................... ..... ....... &u imm=%imm_u %rd
@j .................... ..... ....... &j imm=%imm_j %rd
-@sh ...... ...... ..... ... ..... ....... &shift shamt=%sh10 %rs1 %rd
+@sh ...... ...... ..... ... ..... ....... &shift shamt=%sh6 %rs1 %rd
@csr ............ ..... ... ..... ....... %csr %rs1 %rd
@atom_ld ..... aq:1 rl:1 ..... ........ ..... ....... &atomic rs2=0 %rs1 %rd
@@ -122,9 +122,9 @@ sltiu ............ ..... 011 ..... 0010011 @i
xori ............ ..... 100 ..... 0010011 @i
ori ............ ..... 110 ..... 0010011 @i
andi ............ ..... 111 ..... 0010011 @i
-slli 00.... ...... ..... 001 ..... 0010011 @sh
-srli 00.... ...... ..... 101 ..... 0010011 @sh
-srai 01.... ...... ..... 101 ..... 0010011 @sh
+slli 000000 ...... ..... 001 ..... 0010011 @sh
+srli 000000 ...... ..... 101 ..... 0010011 @sh
+srai 010000 ...... ..... 101 ..... 0010011 @sh
add 0000000 ..... ..... 000 ..... 0110011 @r
sub 0100000 ..... ..... 000 ..... 0110011 @r
sll 0000000 ..... ..... 001 ..... 0110011 @r
--
2.17.1
next prev parent reply other threads:[~2020-11-18 8:34 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-18 8:29 [RFC 00/15] support subsets of bitmanip extension frank.chang
2020-11-18 8:29 ` frank.chang [this message]
2020-11-18 8:29 ` [RFC 01/15] target/riscv: reformat @sh format encoding for B-extension frank.chang
2020-11-19 19:03 ` Richard Henderson
2020-11-19 19:03 ` Richard Henderson
2020-11-18 8:29 ` [RFC 02/15] target/riscv: rvb: count leading/trailing zeros frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 19:24 ` Richard Henderson
2020-11-19 19:24 ` Richard Henderson
2020-11-19 19:48 ` Richard Henderson
2020-11-19 19:48 ` Richard Henderson
2020-11-18 8:29 ` [RFC 03/15] target/riscv: rvb: count bits set frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 19:27 ` Richard Henderson
2020-11-19 19:27 ` Richard Henderson
2020-11-18 8:29 ` [RFC 04/15] target/riscv: rvb: logic-with-negate frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 19:28 ` Richard Henderson
2020-11-19 19:28 ` Richard Henderson
2020-11-18 8:29 ` [RFC 05/15] target/riscv: rvb: pack two words into one register frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 19:43 ` Richard Henderson
2020-11-19 19:43 ` Richard Henderson
2020-11-18 8:29 ` [RFC 06/15] target/riscv: rvb: min/max instructions frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 19:46 ` Richard Henderson
2020-11-19 19:46 ` Richard Henderson
2020-11-18 8:29 ` [RFC 07/15] target/riscv: rvb: sign-extend instructions frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 19:48 ` Richard Henderson
2020-11-19 19:48 ` Richard Henderson
2020-11-18 8:29 ` [RFC 08/15] target/riscv: rvb: single-bit instructions frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 20:05 ` Richard Henderson
2020-11-19 20:05 ` Richard Henderson
2020-11-19 20:35 ` Richard Henderson
2020-11-19 20:35 ` Richard Henderson
2020-11-19 21:04 ` Richard Henderson
2020-11-19 21:04 ` Richard Henderson
2020-12-04 17:10 ` Frank Chang
2020-12-04 17:10 ` Frank Chang
2020-11-18 8:29 ` [RFC 09/15] target/riscv: rvb: shift ones frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 20:54 ` Richard Henderson
2020-11-19 20:54 ` Richard Henderson
2020-11-18 8:29 ` [RFC 10/15] target/riscv: rvb: rotate (left/right) frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 21:06 ` Richard Henderson
2020-11-19 21:06 ` Richard Henderson
2020-11-18 8:29 ` [RFC 11/15] target/riscv: rvb: generalized reverse frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 21:24 ` Richard Henderson
2020-11-19 21:24 ` Richard Henderson
2020-11-18 8:29 ` [RFC 12/15] target/riscv: rvb: generalized or-combine frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 21:28 ` Richard Henderson
2020-11-19 21:28 ` Richard Henderson
2020-11-18 8:29 ` [RFC 13/15] target/riscv: rvb: address calculation frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 21:38 ` Richard Henderson
2020-11-19 21:38 ` Richard Henderson
2020-11-18 8:29 ` [RFC 14/15] target/riscv: rvb: add/sub with postfix zero-extend frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 22:15 ` Richard Henderson
2020-11-19 22:15 ` Richard Henderson
2020-11-18 8:29 ` [RFC 15/15] target/riscv: rvb: support and turn on B-extension from command line frank.chang
2020-11-18 8:29 ` frank.chang
2020-11-19 18:54 ` Alistair Francis
2020-11-19 18:54 ` Alistair Francis
2020-11-20 3:02 ` Kito Cheng
2020-11-20 3:02 ` Kito Cheng
2020-11-20 16:24 ` Alistair Francis
2020-11-20 16:24 ` Alistair Francis
2020-11-23 1:22 ` Frank Chang
2020-11-23 1:22 ` Frank Chang
2020-11-19 22:26 ` [RFC 00/15] support subsets of bitmanip extension Richard Henderson
2020-11-20 1:45 ` Frank Chang
2020-11-20 1:45 ` Frank Chang
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