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([71.212.149.95]) by smtp.gmail.com with ESMTPSA id r15-20020aa7962f000000b006889348ba6esm3796263pfg.127.2023.10.18.14.55.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Oct 2023 14:55:11 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: deller@gmx.de Subject: [PATCH 42/61] target/hppa: Implement SHRPD Date: Wed, 18 Oct 2023 14:51:16 -0700 Message-Id: <20231018215135.1561375-43-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231018215135.1561375-1-richard.henderson@linaro.org> References: <20231018215135.1561375-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::430; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x430.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Signed-off-by: Richard Henderson --- target/hppa/insns.decode | 6 ++- target/hppa/translate.c | 79 ++++++++++++++++++++++++++++------------ 2 files changed, 60 insertions(+), 25 deletions(-) diff --git a/target/hppa/insns.decode b/target/hppa/insns.decode index 7b51f39b9e..6f0c3f6ea5 100644 --- a/target/hppa/insns.decode +++ b/target/hppa/insns.decode @@ -332,8 +332,10 @@ addbi 101011 ..... ..... ... ........... . . @rib_cf f=1 # Shift, Extract, Deposit #### -shrpw_sar 110100 r2:5 r1:5 c:3 00 0 00000 t:5 -shrpw_imm 110100 r2:5 r1:5 c:3 01 0 cpos:5 t:5 +shrp_sar 110100 r2:5 r1:5 c:3 00 0 d:1 0000 t:5 +shrp_imm 110100 r2:5 r1:5 c:3 01 0 cpos:5 t:5 d=0 +shrp_imm 110100 r2:5 r1:5 c:3 0. 1 ..... t:5 \ + d=1 cpos=%cpos6_11 extr_sar 110100 r:5 t:5 c:3 10 se:1 00 000 ..... d=0 len=%len5 extr_sar 110100 r:5 t:5 c:3 10 se:1 1. 000 ..... d=1 len=%len6_8 diff --git a/target/hppa/translate.c b/target/hppa/translate.c index 974ed558d7..a23c44e3d6 100644 --- a/target/hppa/translate.c +++ b/target/hppa/translate.c @@ -3258,32 +3258,56 @@ static bool trans_movbi(DisasContext *ctx, arg_movbi *a) return do_cbranch(ctx, a->disp, a->n, &cond); } -static bool trans_shrpw_sar(DisasContext *ctx, arg_shrpw_sar *a) +static bool trans_shrp_sar(DisasContext *ctx, arg_shrp_sar *a) { - TCGv_reg dest; + TCGv_reg dest, tmp; + if (!ctx->is_pa20 && a->d) { + return false; + } if (a->c) { nullify_over(ctx); } dest = dest_gpr(ctx, a->t); if (a->r1 == 0) { - tcg_gen_ext32u_reg(dest, load_gpr(ctx, a->r2)); - tcg_gen_shr_reg(dest, dest, cpu_sar); + if (a->d) { + tcg_gen_shr_reg(dest, dest, cpu_sar); + } else { + tcg_gen_ext32u_reg(dest, load_gpr(ctx, a->r2)); + tmp = tcg_temp_new(); + tcg_gen_andi_reg(tmp, cpu_sar, 31); + tcg_gen_shr_reg(dest, dest, tmp); + } } else if (a->r1 == a->r2) { - TCGv_i32 t32 = tcg_temp_new_i32(); - TCGv_i32 s32 = tcg_temp_new_i32(); + if (a->d) { + tcg_gen_rotr_reg(dest, load_gpr(ctx, a->r2), cpu_sar); + } else { + TCGv_i32 t32 = tcg_temp_new_i32(); + TCGv_i32 s32 = tcg_temp_new_i32(); - tcg_gen_trunc_reg_i32(t32, load_gpr(ctx, a->r2)); - tcg_gen_trunc_reg_i32(s32, cpu_sar); - tcg_gen_rotr_i32(t32, t32, s32); - tcg_gen_extu_i32_reg(dest, t32); + tcg_gen_trunc_reg_i32(t32, load_gpr(ctx, a->r2)); + tcg_gen_trunc_reg_i32(s32, cpu_sar); + tcg_gen_andi_i32(s32, s32, 31); + tcg_gen_rotr_i32(t32, t32, s32); + tcg_gen_extu_i32_reg(dest, t32); + } + } else if (a->d) { + TCGv_reg t = tcg_temp_new(); + TCGv_reg n = tcg_temp_new(); + + tcg_gen_xori_reg(n, cpu_sar, 63); + tcg_gen_shl_reg(t, load_gpr(ctx, a->r2), n); + tcg_gen_shli_reg(t, t, 1); + tcg_gen_shr_reg(dest, load_gpr(ctx, a->r1), cpu_sar); + tcg_gen_or_reg(dest, dest, t); } else { TCGv_i64 t = tcg_temp_new_i64(); TCGv_i64 s = tcg_temp_new_i64(); tcg_gen_concat_reg_i64(t, load_gpr(ctx, a->r2), load_gpr(ctx, a->r1)); tcg_gen_extu_reg_i64(s, cpu_sar); + tcg_gen_andi_i64(s, s, 31); tcg_gen_shr_i64(t, t, s); tcg_gen_trunc_i64_reg(dest, t); } @@ -3297,31 +3321,40 @@ static bool trans_shrpw_sar(DisasContext *ctx, arg_shrpw_sar *a) return nullify_end(ctx); } -static bool trans_shrpw_imm(DisasContext *ctx, arg_shrpw_imm *a) +static bool trans_shrp_imm(DisasContext *ctx, arg_shrp_imm *a) { - unsigned sa = 31 - a->cpos; + unsigned width, sa; TCGv_reg dest, t2; + if (!ctx->is_pa20 && a->d) { + return false; + } if (a->c) { nullify_over(ctx); } + width = a->d ? 64 : 32; + sa = width - 1 - a->cpos; + dest = dest_gpr(ctx, a->t); t2 = load_gpr(ctx, a->r2); if (a->r1 == 0) { - tcg_gen_extract_reg(dest, t2, sa, 32 - sa); - } else if (TARGET_REGISTER_BITS == 32) { + tcg_gen_extract_reg(dest, t2, sa, width - sa); + } else if (width == TARGET_REGISTER_BITS) { tcg_gen_extract2_reg(dest, t2, cpu_gr[a->r1], sa); - } else if (a->r1 == a->r2) { - TCGv_i32 t32 = tcg_temp_new_i32(); - tcg_gen_trunc_reg_i32(t32, t2); - tcg_gen_rotri_i32(t32, t32, sa); - tcg_gen_extu_i32_reg(dest, t32); } else { - TCGv_i64 t64 = tcg_temp_new_i64(); - tcg_gen_concat_reg_i64(t64, t2, cpu_gr[a->r1]); - tcg_gen_shri_i64(t64, t64, sa); - tcg_gen_trunc_i64_reg(dest, t64); + assert(!a->d); + if (a->r1 == a->r2) { + TCGv_i32 t32 = tcg_temp_new_i32(); + tcg_gen_trunc_reg_i32(t32, t2); + tcg_gen_rotri_i32(t32, t32, sa); + tcg_gen_extu_i32_reg(dest, t32); + } else { + TCGv_i64 t64 = tcg_temp_new_i64(); + tcg_gen_concat_reg_i64(t64, t2, cpu_gr[a->r1]); + tcg_gen_shri_i64(t64, t64, sa); + tcg_gen_trunc_i64_reg(dest, t64); + } } save_gpr(ctx, a->t, dest);