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authorAndrew Waterman <andrew@sifive.com>2021-06-20 20:39:56 -0700
committerGitHub <noreply@github.com>2021-06-20 20:39:56 -0700
commitcab0dc75afb09fdf0410aa4d1c5a14088d767cba (patch)
treee8f0843850a2584bd29a14e84b636dbea37d1f5e
parent944e51610ae3b148786216db6f7ce0c56b31ee72 (diff)
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Move shift instructions to opcodes-rv64i (#68)
The shamt field is 6 bits wide, so doesn't belong in opcodes-rv32i. The opcodes-pseudo file still contains the RV32 versions with shamtw.
-rw-r--r--opcodes-rv32i3
-rw-r--r--opcodes-rv64i5
2 files changed, 5 insertions, 3 deletions
diff --git a/opcodes-rv32i b/opcodes-rv32i
index b5490ae..0d008d8 100644
--- a/opcodes-rv32i
+++ b/opcodes-rv32i
@@ -22,12 +22,9 @@ lui rd imm20 6..2=0x0D 1..0=3
auipc rd imm20 6..2=0x05 1..0=3
addi rd rs1 imm12 14..12=0 6..2=0x04 1..0=3
-slli rd rs1 31..26=0 shamt 14..12=1 6..2=0x04 1..0=3
slti rd rs1 imm12 14..12=2 6..2=0x04 1..0=3
sltiu rd rs1 imm12 14..12=3 6..2=0x04 1..0=3
xori rd rs1 imm12 14..12=4 6..2=0x04 1..0=3
-srli rd rs1 31..26=0 shamt 14..12=5 6..2=0x04 1..0=3
-srai rd rs1 31..26=16 shamt 14..12=5 6..2=0x04 1..0=3
ori rd rs1 imm12 14..12=6 6..2=0x04 1..0=3
andi rd rs1 imm12 14..12=7 6..2=0x04 1..0=3
diff --git a/opcodes-rv64i b/opcodes-rv64i
index 60a6adc..adced5b 100644
--- a/opcodes-rv64i
+++ b/opcodes-rv64i
@@ -15,3 +15,8 @@ ld rd rs1 imm12 14..12=3 6..2=0x00 1..0=3
lwu rd rs1 imm12 14..12=6 6..2=0x00 1..0=3
sd imm12hi rs1 rs2 imm12lo 14..12=3 6..2=0x08 1..0=3
+
+# RV32 versions of these are in opcodes-pseudo
+slli rd rs1 31..26=0 shamt 14..12=1 6..2=0x04 1..0=3
+srli rd rs1 31..26=0 shamt 14..12=5 6..2=0x04 1..0=3
+srai rd rs1 31..26=16 shamt 14..12=5 6..2=0x04 1..0=3