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-rw-r--r--target/riscv/insn32-64.decode13
1 files changed, 13 insertions, 0 deletions
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