target/riscv: Add orc.b instruction for Zbb, removing gorc/gorci
commitd7a4fcb03433edefd19b7db3c4d20ed750b5833b
authorPhilipp Tomsich <philipp.tomsich@vrull.eu>
Sat, 11 Sep 2021 14:00:11 +0000 (11 16:00 +0200)
committerAlistair Francis <alistair.francis@wdc.com>
Wed, 6 Oct 2021 22:41:33 +0000 (7 08:41 +1000)
treeba8bcb1edd5a8edc309fc2782a44b216a881a98d
parent16c38f36f5cb42bbfe7b9cd4bb29206a3ecab760
target/riscv: Add orc.b instruction for Zbb, removing gorc/gorci

The 1.0.0 version of Zbb does not contain gorc/gorci.  Instead, a
orc.b instruction (equivalent to the orc.b pseudo-instruction built on
gorci from pre-0.93 draft-B) is available, mainly targeting
string-processing workloads.

This commit adds the new orc.b instruction and removed gorc/gorci.

Signed-off-by: Philipp Tomsich <philipp.tomsich@vrull.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210911140016.834071-12-philipp.tomsich@vrull.eu
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
target/riscv/bitmanip_helper.c
target/riscv/helper.h
target/riscv/insn32.decode
target/riscv/insn_trans/trans_rvb.c.inc