diff options
Diffstat (limited to 'extensions/rv64_i')
| -rw-r--r-- | extensions/rv64_i | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/extensions/rv64_i b/extensions/rv64_i new file mode 100644 index 0000000..dea3d38 --- /dev/null +++ b/extensions/rv64_i @@ -0,0 +1,22 @@ +# RV64I additions to RV32I + +lwu rd rs1 imm12 14..12=6 6..2=0x00 1..0=3 +ld rd rs1 imm12 14..12=3 6..2=0x00 1..0=3 +sd imm12hi rs1 rs2 imm12lo 14..12=3 6..2=0x08 1..0=3 + +slli rd rs1 31..26=0 shamtd 14..12=1 6..2=0x04 1..0=3 +srli rd rs1 31..26=0 shamtd 14..12=5 6..2=0x04 1..0=3 +srai rd rs1 31..26=16 shamtd 14..12=5 6..2=0x04 1..0=3 + +addiw rd rs1 imm12 14..12=0 6..2=0x06 1..0=3 +slliw rd rs1 31..25=0 shamtw 14..12=1 6..2=0x06 1..0=3 +srliw rd rs1 31..25=0 shamtw 14..12=5 6..2=0x06 1..0=3 +sraiw rd rs1 31..25=32 shamtw 14..12=5 6..2=0x06 1..0=3 + +addw rd rs1 rs2 31..25=0 14..12=0 6..2=0x0E 1..0=3 +subw rd rs1 rs2 31..25=32 14..12=0 6..2=0x0E 1..0=3 +sllw rd rs1 rs2 31..25=0 14..12=1 6..2=0x0E 1..0=3 +srlw rd rs1 rs2 31..25=0 14..12=5 6..2=0x0E 1..0=3 +sraw rd rs1 rs2 31..25=32 14..12=5 6..2=0x0E 1..0=3 + +$pseudo_op rv64_i::addiw sext.w rd rs1 31..20=0 14..12=0 6..2=0x06 1..0=3 |