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15 Commits

Author SHA1 Message Date
Richard Henderson 191d1dafae target/riscv: Add DisasExtend to gen_arith* 
Most arithmetic does not require extending the inputs.
Exceptions include division, comparison and minmax.

Begin using ctx->w, which allows elimination of gen_addw,
gen_subw, gen_mulw.

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210823195529.560295-7-richard.henderson@linaro.org
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-09-01 11:59:12 +10:00
Richard Henderson 867c81968a target/riscv: Add DisasContext to gen_get_gpr, gen_set_gpr 
We will require the context to handle RV64 word operations.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210823195529.560295-5-richard.henderson@linaro.org
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-09-01 11:59:12 +10:00
Kito Cheng 3a4a43e4e2 target/riscv: rvb: add/shift with prefix zero-extend 
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210505160620.15723-16-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:45 +10:00
Kito Cheng 920a1f9955 target/riscv: rvb: address calculation 
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210505160620.15723-15-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:45 +10:00
Frank Chang c24f0422fb target/riscv: rvb: generalized or-combine 
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210505160620.15723-14-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:45 +10:00
Frank Chang 831ec7f3d1 target/riscv: rvb: generalized reverse 
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20210505160620.15723-13-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:45 +10:00
Kito Cheng e58529a8d0 target/riscv: rvb: rotate (left/right) 
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210505160620.15723-12-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:45 +10:00
Kito Cheng 91d8fc6768 target/riscv: rvb: shift ones 
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210505160620.15723-11-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:45 +10:00
Frank Chang 23cd17773b target/riscv: rvb: single-bit instructions 
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210505160620.15723-10-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:45 +10:00
Kito Cheng 2a81973829 target/riscv: rvb: sign-extend instructions 
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Message-id: 20210505160620.15723-8-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:44 +10:00
Kito Cheng 82655d8115 target/riscv: rvb: min/max instructions 
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Message-id: 20210505160620.15723-7-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:44 +10:00
Kito Cheng 6ef5843182 target/riscv: rvb: pack two words into one register 
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210505160620.15723-6-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:44 +10:00
Kito Cheng 0bcdb686e5 target/riscv: rvb: logic-with-negate 
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210505160620.15723-5-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:44 +10:00
Frank Chang 1e16310ca1 target/riscv: rvb: count bits set 
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Message-id: 20210505160620.15723-4-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:44 +10:00
Kito Cheng 438240185a target/riscv: rvb: count leading/trailing zeros 
Signed-off-by: Kito Cheng <kito.cheng@sifive.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20210505160620.15723-3-frank.chang@sifive.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
 2021-06-08 09:59:43 +10:00