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Tue, 10 Dec 2024 07:24:56 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 39/46] tcg/optimize: Use fold_masks_zs in fold_tcg_ld Date: Tue, 10 Dec 2024 09:23:54 -0600 Message-ID: <20241210152401.1823648-40-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::235; envelope-from=richard.henderson@linaro.org; helo=mail-oi1-x235.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: 1733844608892116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Pierrick Bouvier --- tcg/optimize.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index 6412d5df37..4cccb3b0cf 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -2636,33 +2636,35 @@ static bool fold_sub2(OptContext *ctx, TCGOp *op) =20 static bool fold_tcg_ld(OptContext *ctx, TCGOp *op) { + uint64_t z_mask =3D -1, s_mask; + /* We can't do any folding with a load, but we can record bits. */ switch (op->opc) { CASE_OP_32_64(ld8s): - ctx->s_mask =3D MAKE_64BIT_MASK(8, 56); + s_mask =3D MAKE_64BIT_MASK(8, 56); break; CASE_OP_32_64(ld8u): - ctx->z_mask =3D MAKE_64BIT_MASK(0, 8); - ctx->s_mask =3D MAKE_64BIT_MASK(9, 55); + z_mask =3D MAKE_64BIT_MASK(0, 8); + s_mask =3D MAKE_64BIT_MASK(9, 55); break; CASE_OP_32_64(ld16s): - ctx->s_mask =3D MAKE_64BIT_MASK(16, 48); + s_mask =3D MAKE_64BIT_MASK(16, 48); break; CASE_OP_32_64(ld16u): - ctx->z_mask =3D MAKE_64BIT_MASK(0, 16); - ctx->s_mask =3D MAKE_64BIT_MASK(17, 47); + z_mask =3D MAKE_64BIT_MASK(0, 16); + s_mask =3D MAKE_64BIT_MASK(17, 47); break; case INDEX_op_ld32s_i64: - ctx->s_mask =3D MAKE_64BIT_MASK(32, 32); + s_mask =3D MAKE_64BIT_MASK(32, 32); break; case INDEX_op_ld32u_i64: - ctx->z_mask =3D MAKE_64BIT_MASK(0, 32); - ctx->s_mask =3D MAKE_64BIT_MASK(33, 31); + z_mask =3D MAKE_64BIT_MASK(0, 32); + s_mask =3D MAKE_64BIT_MASK(33, 31); break; default: g_assert_not_reached(); } - return false; + return fold_masks_zs(ctx, op, z_mask, s_mask); } =20 static bool fold_tcg_ld_memcopy(OptContext *ctx, TCGOp *op) --=20 2.43.0