From 2bc227547742e65ba8c64c6e6c573e49bfe72e7e Mon Sep 17 00:00:00 2001 From: "Pavel I. Kryukov" Date: Tue, 24 May 2022 08:45:39 +0300 Subject: Add RV128I opcodes (#112) * Add RV128I instructions * Address code review feedback * Fix typo --- unratified/rv128_i | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 unratified/rv128_i (limited to 'unratified') diff --git a/unratified/rv128_i b/unratified/rv128_i new file mode 100644 index 0000000..1d62fe5 --- /dev/null +++ b/unratified/rv128_i @@ -0,0 +1,22 @@ +# RV128I additions to RV64I + +addid rd rs1 imm12 14..12=0 6..2=0x16 1..0=3 +sllid rd rs1 31..26=0 shamtd 14..12=1 6..2=0x16 1..0=3 +srlid rd rs1 31..26=0 shamtd 14..12=5 6..2=0x16 1..0=3 +sraid rd rs1 31..26=16 shamtd 14..12=5 6..2=0x16 1..0=3 + +addd rd rs1 rs2 31..25=0 14..12=0 6..2=0x1E 1..0=3 +subd rd rs1 rs2 31..25=32 14..12=0 6..2=0x1E 1..0=3 +slld rd rs1 rs2 31..25=0 14..12=1 6..2=0x1E 1..0=3 +srld rd rs1 rs2 31..25=0 14..12=5 6..2=0x1E 1..0=3 +srad rd rs1 rs2 31..25=32 14..12=5 6..2=0x1E 1..0=3 + +lq rd rs1 imm12 14..12=3 6..2=0x03 1..0=3 +ldu rd rs1 imm12 14..12=7 6..2=0x00 1..0=3 + +sq imm12hi rs1 rs2 imm12lo 14..12=4 6..2=0x08 1..0=3 + +# RV32 and RV64 versions of these are in opcodes-pseudo +slli rd rs1 31..27=0 shamt 14..12=1 6..2=0x04 1..0=3 +srli rd rs1 31..27=0 shamt 14..12=5 6..2=0x04 1..0=3 +srai rd rs1 31..27=8 shamt 14..12=5 6..2=0x04 1..0=3 -- cgit v1.1