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Thu, 27 Jun 2024 20:34:28 -0700 (PDT) From: Feiyang Chen To: gaosong@loongson.cn, richard.henderson@linaro.org Cc: Feiyang Chen , c@jia.je, qemu-devel@nongnu.org Subject: [PATCH v2] target/loongarch: Remove avail_64 in trans_srai_w() and simplify it Date: Fri, 28 Jun 2024 13:33:57 +1000 Message-Id: <20240628033357.50027-1-chris.chenfeiyang@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::42f; envelope-from=chris.chenfeiyang@gmail.com; helo=mail-pf1-x42f.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, FREEMAIL_FROM=0.001, 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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1719545735666100003 Content-Type: text/plain; charset="utf-8" Since srai.w is a valid instruction on la32, remove the avail_64 check and simplify trans_srai_w(). Fixes: c0c0461e3a06 ("target/loongarch: Add avail_64 to check la64-only ins= tructions") Reviewed-by: Richard Henderson Signed-off-by: Feiyang Chen --- target/loongarch/tcg/insn_trans/trans_shift.c.inc | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/target/loongarch/tcg/insn_trans/trans_shift.c.inc b/target/loo= ngarch/tcg/insn_trans/trans_shift.c.inc index 2f4bd6ff28..377307785a 100644 --- a/target/loongarch/tcg/insn_trans/trans_shift.c.inc +++ b/target/loongarch/tcg/insn_trans/trans_shift.c.inc @@ -67,19 +67,9 @@ static void gen_rotr_d(TCGv dest, TCGv src1, TCGv src2) tcg_gen_rotr_tl(dest, src1, t0); } =20 -static bool trans_srai_w(DisasContext *ctx, arg_srai_w *a) +static void gen_sari_w(TCGv dest, TCGv src1, target_long imm) { - TCGv dest =3D gpr_dst(ctx, a->rd, EXT_NONE); - TCGv src1 =3D gpr_src(ctx, a->rj, EXT_ZERO); - - if (!avail_64(ctx)) { - return false; - } - - tcg_gen_sextract_tl(dest, src1, a->imm, 32 - a->imm); - gen_set_gpr(a->rd, dest, EXT_NONE); - - return true; + tcg_gen_sextract_tl(dest, src1, imm, 32 - imm); } =20 TRANS(sll_w, ALL, gen_rrr, EXT_ZERO, EXT_NONE, EXT_SIGN, gen_sll_w) @@ -94,6 +84,7 @@ TRANS(slli_w, ALL, gen_rri_c, EXT_NONE, EXT_SIGN, tcg_gen= _shli_tl) TRANS(slli_d, 64, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_shli_tl) TRANS(srli_w, ALL, gen_rri_c, EXT_ZERO, EXT_SIGN, tcg_gen_shri_tl) TRANS(srli_d, 64, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_shri_tl) +TRANS(srai_w, ALL, gen_rri_c, EXT_NONE, EXT_NONE, gen_sari_w) TRANS(srai_d, 64, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_sari_tl) TRANS(rotri_w, 64, gen_rri_v, EXT_NONE, EXT_NONE, gen_rotr_w) TRANS(rotri_d, 64, gen_rri_c, EXT_NONE, EXT_NONE, tcg_gen_rotri_tl) --=20 2.34.1