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Tue, 10 Dec 2024 07:24:32 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 19/46] tcg/optimize: Use fold_masks_zs in fold_movcond Date: Tue, 10 Dec 2024 09:23:34 -0600 Message-ID: <20241210152401.1823648-20-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241210152401.1823648-1-richard.henderson@linaro.org> References: <20241210152401.1823648-1-richard.henderson@linaro.org> 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::236; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x236.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1733844462038116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Pierrick Bouvier --- tcg/optimize.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index 260e3ea072..6d2d55f053 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -1874,6 +1874,7 @@ static bool fold_mov(OptContext *ctx, TCGOp *op) =20 static bool fold_movcond(OptContext *ctx, TCGOp *op) { + uint64_t z_mask, s_mask; int i; =20 /* If true and false values are the same, eliminate the cmp. */ @@ -1895,10 +1896,10 @@ static bool fold_movcond(OptContext *ctx, TCGOp *op) return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[4 - i]); } =20 - ctx->z_mask =3D arg_info(op->args[3])->z_mask - | arg_info(op->args[4])->z_mask; - ctx->s_mask =3D arg_info(op->args[3])->s_mask - & arg_info(op->args[4])->s_mask; + z_mask =3D arg_info(op->args[3])->z_mask + | arg_info(op->args[4])->z_mask; + s_mask =3D arg_info(op->args[3])->s_mask + & arg_info(op->args[4])->s_mask; =20 if (arg_is_const(op->args[3]) && arg_is_const(op->args[4])) { uint64_t tv =3D arg_info(op->args[3])->val; @@ -1941,7 +1942,7 @@ static bool fold_movcond(OptContext *ctx, TCGOp *op) } } } - return false; + return fold_masks_zs(ctx, op, z_mask, s_mask); } =20 static bool fold_mul(OptContext *ctx, TCGOp *op) --=20 2.43.0