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[PATCH v5 01/17] target/riscv: reformat @sh format encoding for B-extens
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From: |
frank . chang |
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Subject: |
[PATCH v5 01/17] target/riscv: reformat @sh format encoding for B-extension |
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Date: |
Wed, 21 Apr 2021 12:13:43 +0800 |
From: Kito Cheng <kito.cheng@sifive.com>
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.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..3823b3ea800 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -22,7 +22,7 @@
%rs1 15:5
%rd 7:5
-%sh10 20:10
+%sh7 20:7
%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=%sh7 %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 00000. ...... ..... 001 ..... 0010011 @sh
+srli 00000. ...... ..... 101 ..... 0010011 @sh
+srai 01000. ...... ..... 101 ..... 0010011 @sh
add 0000000 ..... ..... 000 ..... 0110011 @r
sub 0100000 ..... ..... 000 ..... 0110011 @r
sll 0000000 ..... ..... 001 ..... 0110011 @r
--
2.17.1
- [PATCH v5 00/17] support subsets of bitmanip extension, frank . chang, 2021/04/21
- [PATCH v5 01/17] target/riscv: reformat @sh format encoding for B-extension,
frank . chang <=
- [PATCH v5 02/17] target/riscv: rvb: count leading/trailing zeros, frank . chang, 2021/04/21
- [PATCH v5 03/17] target/riscv: rvb: count bits set, frank . chang, 2021/04/21
- [PATCH v5 04/17] target/riscv: rvb: logic-with-negate, frank . chang, 2021/04/21
- [PATCH v5 05/17] target/riscv: rvb: pack two words into one register, frank . chang, 2021/04/21
- [PATCH v5 06/17] target/riscv: rvb: min/max instructions, frank . chang, 2021/04/21