From b73a987b09ad5081123dc6b1e8e6c8305a1c8673 Mon Sep 17 00:00:00 2001 From: Bastian Koppelmann Date: Wed, 13 Feb 2019 07:53:45 -0800 Subject: target/riscv: Convert RVXI arithmetic insns to decodetree we cannot remove the call to gen_arith() in decode_RV32_64G() since it is used to translate multiply instructions. Acked-by: Alistair Francis Reviewed-by: Richard Henderson Signed-off-by: Bastian Koppelmann Signed-off-by: Peer Adelt --- target/riscv/insn32-64.decode | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'target/riscv/insn32-64.decode') diff --git a/target/riscv/insn32-64.decode b/target/riscv/insn32-64.decode index 439d4e2c58..9a35f2aa19 100644 --- a/target/riscv/insn32-64.decode +++ b/target/riscv/insn32-64.decode @@ -19,7 +19,20 @@ # This is concatenated with insn32.decode for risc64 targets. # Most of the fields and formats are there. +%sh5 20:5 + +@sh5 ....... ..... ..... ... ..... ....... &shift shamt=%sh5 %rs1 %rd + # *** RV64I Base Instruction Set (in addition to RV32I) *** lwu ............ ..... 110 ..... 0000011 @i ld ............ ..... 011 ..... 0000011 @i sd ....... ..... ..... 011 ..... 0100011 @s +addiw ............ ..... 000 ..... 0011011 @i +slliw 0000000 ..... ..... 001 ..... 0011011 @sh5 +srliw 0000000 ..... ..... 101 ..... 0011011 @sh5 +sraiw 0100000 ..... ..... 101 ..... 0011011 @sh5 +addw 0000000 ..... ..... 000 ..... 0111011 @r +subw 0100000 ..... ..... 000 ..... 0111011 @r +sllw 0000000 ..... ..... 001 ..... 0111011 @r +srlw 0000000 ..... ..... 101 ..... 0111011 @r +sraw 0100000 ..... ..... 101 ..... 0111011 @r -- cgit v1.2.3