| Message ID | 20241112172022.88348-7-philmd@linaro.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | target/mips: Convert nanoMIPS LSA opcode to decodetree | expand |
On 11/12/24 09:20, Philippe Mathieu-Daudé wrote: > From: Philippe Mathieu-Daudé<f4bug@amsat.org> > > Simply call the generic gen_lsa() helper. > > Signed-off-by: Philippe Mathieu-Daudé<f4bug@amsat.org> > Signed-off-by: Philippe Mathieu-Daudé<philmd@linaro.org> > --- > target/mips/tcg/nanomips32.decode | 6 ++++++ > target/mips/tcg/nanomips_translate.c | 7 +++++++ > target/mips/tcg/nanomips_translate.c.inc | 4 ---- > 3 files changed, 13 insertions(+), 4 deletions(-) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/target/mips/tcg/nanomips32.decode b/target/mips/tcg/nanomips32.decode index 9cecf1e13d..96d2299bfb 100644 --- a/target/mips/tcg/nanomips32.decode +++ b/target/mips/tcg/nanomips32.decode @@ -6,3 +6,9 @@ # # Reference: nanoMIPS32 Instruction Set Technical Reference Manual # (Document Number: MD01247) + +&r rs rt rd sa + +@lsa ...... rt:5 rs:5 rd:5 sa:2 --- ... ... &r + +LSA 001000 ..... ..... ..... .. ... 001 111 @lsa diff --git a/target/mips/tcg/nanomips_translate.c b/target/mips/tcg/nanomips_translate.c index c148c13ed9..43a934d857 100644 --- a/target/mips/tcg/nanomips_translate.c +++ b/target/mips/tcg/nanomips_translate.c @@ -12,3 +12,10 @@ /* Include the auto-generated decoders. */ #include "decode-nanomips16.c.inc" #include "decode-nanomips32.c.inc" + +static bool trans_LSA(DisasContext *ctx, arg_r *a) +{ + gen_lsa(ctx, a->rd, a->rt, a->rs, a->sa); + + return true; +} diff --git a/target/mips/tcg/nanomips_translate.c.inc b/target/mips/tcg/nanomips_translate.c.inc index e118013edc..0e012ab3d0 100644 --- a/target/mips/tcg/nanomips_translate.c.inc +++ b/target/mips/tcg/nanomips_translate.c.inc @@ -399,7 +399,6 @@ enum { /* POOL32A7 instruction pool */ enum { NM_P_LSX = 0x00, - NM_LSA = 0x01, NM_EXTW = 0x03, NM_POOL32AXF = 0x07, }; @@ -3625,9 +3624,6 @@ static int decode_nanomips_32_48_opc(CPUMIPSState *env, DisasContext *ctx) case NM_P_LSX: gen_p_lsx(ctx, rd, rs, rt); break; - case NM_LSA: - gen_lsa(ctx, rd, rt, rs, extract32(ctx->opcode, 9, 2)); - break; case NM_EXTW: gen_ext(ctx, 32, rd, rs, rt, extract32(ctx->opcode, 6, 5)); break;