diff options
Diffstat (limited to 'target/riscv/insn32.decode')
| -rw-r--r-- | target/riscv/insn32.decode | 45 |
1 files changed, 29 insertions, 16 deletions
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 1d3ff1e..fdceaf6 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -717,8 +717,22 @@ sh2add_uw 0010000 .......... 100 ..... 0111011 @r sh3add_uw 0010000 .......... 110 ..... 0111011 @r slli_uw 00001 ............ 001 ..... 0011011 @sh -# *** RV32 Zbb Standard Extension *** +# *** RV32 Zbb/Zbkb Standard Extension *** andn 0100000 .......... 111 ..... 0110011 @r +rol 0110000 .......... 001 ..... 0110011 @r +ror 0110000 .......... 101 ..... 0110011 @r +rori 01100 ............ 101 ..... 0010011 @sh +# The encoding for rev8 differs between RV32 and RV64. +# rev8_32 denotes the RV32 variant. +rev8_32 011010 011000 ..... 101 ..... 0010011 @r2 +# The encoding for zext.h differs between RV32 and RV64. +# zext_h_32 denotes the RV32 variant. +{ + zext_h_32 0000100 00000 ..... 100 ..... 0110011 @r2 + pack 0000100 ..... ..... 100 ..... 0110011 @r +} +xnor 0100000 .......... 100 ..... 0110011 @r +# *** RV32 extra Zbb Standard Extension *** clz 011000 000000 ..... 001 ..... 0010011 @r2 cpop 011000 000010 ..... 001 ..... 0010011 @r2 ctz 011000 000001 ..... 001 ..... 0010011 @r2 @@ -728,23 +742,15 @@ min 0000101 .......... 100 ..... 0110011 @r minu 0000101 .......... 101 ..... 0110011 @r orc_b 001010 000111 ..... 101 ..... 0010011 @r2 orn 0100000 .......... 110 ..... 0110011 @r -# The encoding for rev8 differs between RV32 and RV64. -# rev8_32 denotes the RV32 variant. -rev8_32 011010 011000 ..... 101 ..... 0010011 @r2 -rol 0110000 .......... 001 ..... 0110011 @r -ror 0110000 .......... 101 ..... 0110011 @r -rori 01100 ............ 101 ..... 0010011 @sh sext_b 011000 000100 ..... 001 ..... 0010011 @r2 sext_h 011000 000101 ..... 001 ..... 0010011 @r2 -xnor 0100000 .......... 100 ..... 0110011 @r -# The encoding for zext.h differs between RV32 and RV64. -# zext_h_32 denotes the RV32 variant. -zext_h_32 0000100 00000 ..... 100 ..... 0110011 @r2 +# *** RV32 extra Zbkb Standard Extension *** +brev8 0110100 00111 ..... 101 ..... 0010011 @r2 #grevi +packh 0000100 .......... 111 ..... 0110011 @r +unzip 0000100 01111 ..... 101 ..... 0010011 @r2 #unshfl +zip 0000100 01111 ..... 001 ..... 0010011 @r2 #shfl -# *** RV64 Zbb Standard Extension (in addition to RV32 Zbb) *** -clzw 0110000 00000 ..... 001 ..... 0011011 @r2 -ctzw 0110000 00001 ..... 001 ..... 0011011 @r2 -cpopw 0110000 00010 ..... 001 ..... 0011011 @r2 +# *** RV64 Zbb/Zbkb Standard Extension (in addition to RV32 Zbb/Zbkb) *** # The encoding for rev8 differs between RV32 and RV64. # When executing on RV64, the encoding used in RV32 is an illegal # instruction, so we use different handler functions to differentiate. @@ -755,7 +761,14 @@ rorw 0110000 .......... 101 ..... 0111011 @r # The encoding for zext.h differs between RV32 and RV64. # When executing on RV64, the encoding used in RV32 is an illegal # instruction, so we use different handler functions to differentiate. -zext_h_64 0000100 00000 ..... 100 ..... 0111011 @r2 +{ + zext_h_64 0000100 00000 ..... 100 ..... 0111011 @r2 + packw 0000100 ..... ..... 100 ..... 0111011 @r +} +# *** RV64 extra Zbb Standard Extension (in addition to RV32 Zbb) *** +clzw 0110000 00000 ..... 001 ..... 0011011 @r2 +ctzw 0110000 00001 ..... 001 ..... 0011011 @r2 +cpopw 0110000 00010 ..... 001 ..... 0011011 @r2 # *** RV32 Zbc Standard Extension *** clmul 0000101 .......... 001 ..... 0110011 @r |