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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::436; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x436.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: 2.1.23 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" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1633637887546100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- tcg/optimize.c | 37 +++++++++++++++++++++---------------- 1 file changed, 21 insertions(+), 16 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index 6bb5e19e55..01a0925c89 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -891,6 +891,24 @@ static bool fold_multiply(OptContext *ctx, TCGOp *op) return fold_const2(ctx, op); } =20 +static bool fold_mulu2_i32(OptContext *ctx, TCGOp *op) +{ + if (arg_is_const(op->args[2]) && arg_is_const(op->args[3])) { + uint32_t a =3D arg_info(op->args[2])->val; + uint32_t b =3D arg_info(op->args[3])->val; + uint64_t r =3D (uint64_t)a * b; + TCGArg rl, rh; + TCGOp *op2 =3D tcg_op_insert_before(ctx->tcg, op, INDEX_op_mov_i32= ); + + rl =3D op->args[0]; + rh =3D op->args[1]; + tcg_opt_gen_movi(ctx, op, rl, (int32_t)r); + tcg_opt_gen_movi(ctx, op2, rh, (int32_t)(r >> 32)); + return true; + } + return false; +} + static bool fold_nand(OptContext *ctx, TCGOp *op) { return fold_const2(ctx, op); @@ -1697,22 +1715,6 @@ void tcg_optimize(TCGContext *s) } break; =20 - case INDEX_op_mulu2_i32: - if (arg_is_const(op->args[2]) && arg_is_const(op->args[3])) { - uint32_t a =3D arg_info(op->args[2])->val; - uint32_t b =3D arg_info(op->args[3])->val; - uint64_t r =3D (uint64_t)a * b; - TCGArg rl, rh; - TCGOp *op2 =3D tcg_op_insert_before(s, op, INDEX_op_mov_i3= 2); - - rl =3D op->args[0]; - rh =3D op->args[1]; - tcg_opt_gen_movi(&ctx, op, rl, (int32_t)r); - tcg_opt_gen_movi(&ctx, op2, rh, (int32_t)(r >> 32)); - continue; - } - break; - default: break; =20 @@ -1766,6 +1768,9 @@ void tcg_optimize(TCGContext *s) CASE_OP_32_64(muluh): done =3D fold_multiply(&ctx, op); break; + case INDEX_op_mulu2_i32: + done =3D fold_mulu2_i32(&ctx, op); + break; CASE_OP_32_64(nand): done =3D fold_nand(&ctx, op); break; --=20 2.25.1