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Thu, 14 Mar 2024 10:57:17 -0700 (PDT) From: Daniel Henrique Barboza To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, alistair.francis@wdc.com, bmeng@tinylab.org, liwei1518@gmail.com, zhiwei_liu@linux.alibaba.com, palmer@rivosinc.com, max.chou@sifive.com, richard.henderson@linaro.org, Daniel Henrique Barboza Subject: [PATCH for 9.0 v15 02/10] trans_rvv.c.inc: set vstart = 0 in int scalar move insns Date: Thu, 14 Mar 2024 14:56:56 -0300 Message-ID: <20240314175704.478276-3-dbarboza@ventanamicro.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240314175704.478276-1-dbarboza@ventanamicro.com> References: <20240314175704.478276-1-dbarboza@ventanamicro.com> 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+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=dbarboza@ventanamicro.com; helo=mail-pl1-x629.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_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01, T_SPF_HELO_TEMPERROR=0.01 autolearn=unavailable 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ventanamicro.com) X-ZM-MESSAGEID: 1710439149102100005 Content-Type: text/plain; charset="utf-8" trans_vmv_x_s, trans_vmv_s_x, trans_vfmv_f_s and trans_vfmv_s_f aren't setting vstart =3D 0 after execution. This is usually done by a helper in vector_helper.c but these functions don't use helpers. We'll set vstart after any potential 'over' brconds, and that will also mandate a mark_vs_dirty() too. Fixes: dedc53cbc9 ("target/riscv: rvv-1.0: integer scalar move instructions= ") Signed-off-by: Daniel Henrique Barboza Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/insn_trans/trans_rvv.c.inc | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_tr= ans/trans_rvv.c.inc index e42728990e..8c16a9f5b3 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -3373,6 +3373,8 @@ static bool trans_vmv_x_s(DisasContext *s, arg_vmv_x_= s *a) vec_element_loadi(s, t1, a->rs2, 0, true); tcg_gen_trunc_i64_tl(dest, t1); gen_set_gpr(s, a->rd, dest); + tcg_gen_movi_tl(cpu_vstart, 0); + mark_vs_dirty(s); return true; } return false; @@ -3399,8 +3401,9 @@ static bool trans_vmv_s_x(DisasContext *s, arg_vmv_s_= x *a) s1 =3D get_gpr(s, a->rs1, EXT_NONE); tcg_gen_ext_tl_i64(t1, s1); vec_element_storei(s, a->rd, 0, t1); - mark_vs_dirty(s); gen_set_label(over); + tcg_gen_movi_tl(cpu_vstart, 0); + mark_vs_dirty(s); return true; } return false; @@ -3427,6 +3430,8 @@ static bool trans_vfmv_f_s(DisasContext *s, arg_vfmv_= f_s *a) } =20 mark_fs_dirty(s); + tcg_gen_movi_tl(cpu_vstart, 0); + mark_vs_dirty(s); return true; } return false; @@ -3452,8 +3457,9 @@ static bool trans_vfmv_s_f(DisasContext *s, arg_vfmv_= s_f *a) do_nanbox(s, t1, cpu_fpr[a->rs1]); =20 vec_element_storei(s, a->rd, 0, t1); - mark_vs_dirty(s); gen_set_label(over); + tcg_gen_movi_tl(cpu_vstart, 0); + mark_vs_dirty(s); return true; } return false; --=20 2.44.0