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Thu, 07 Oct 2021 12:55:17 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 28/48] tcg/optimize: Split out fold_dup, fold_dup2 Date: Thu, 7 Oct 2021 12:54:36 -0700 Message-Id: <20211007195456.1168070-29-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211007195456.1168070-1-richard.henderson@linaro.org> References: <20211007195456.1168070-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1034; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1034.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Richard Henderson --- tcg/optimize.c | 53 +++++++++++++++++++++++++++++--------------------- 1 file changed, 31 insertions(+), 22 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index 7a7c3e25c5..db50cf6499 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -917,6 +917,31 @@ static bool fold_deposit(OptContext *ctx, TCGOp *op) return false; } +static bool fold_dup(OptContext *ctx, TCGOp *op) +{ + if (arg_is_const(op->args[1])) { + uint64_t t = arg_info(op->args[1])->val; + t = dup_const(TCGOP_VECE(op), t); + return tcg_opt_gen_movi(ctx, op, op->args[0], t); + } + return false; +} + +static bool fold_dup2(OptContext *ctx, TCGOp *op) +{ + if (arg_is_const(op->args[1]) && arg_is_const(op->args[2])) { + uint64_t t = deposit64(arg_info(op->args[1])->val, 32, 32, + arg_info(op->args[2])->val); + return tcg_opt_gen_movi(ctx, op, op->args[0], t); + } + + if (args_are_copies(op->args[1], op->args[2])) { + op->opc = INDEX_op_dup_vec; + TCGOP_VECE(op) = MO_32; + } + return false; +} + static bool fold_eqv(OptContext *ctx, TCGOp *op) { return fold_const2(ctx, op); @@ -1718,28 +1743,6 @@ void tcg_optimize(TCGContext *s) done = tcg_opt_gen_mov(&ctx, op, op->args[0], op->args[1]); break; - case INDEX_op_dup_vec: - if (arg_is_const(op->args[1])) { - tmp = arg_info(op->args[1])->val; - tmp = dup_const(TCGOP_VECE(op), tmp); - tcg_opt_gen_movi(&ctx, op, op->args[0], tmp); - continue; - } - break; - - case INDEX_op_dup2_vec: - assert(TCG_TARGET_REG_BITS == 32); - if (arg_is_const(op->args[1]) && arg_is_const(op->args[2])) { - tcg_opt_gen_movi(&ctx, op, op->args[0], - deposit64(arg_info(op->args[1])->val, 32, 32, - arg_info(op->args[2])->val)); - continue; - } else if (args_are_copies(op->args[1], op->args[2])) { - op->opc = INDEX_op_dup_vec; - TCGOP_VECE(op) = MO_32; - } - break; - default: break; @@ -1783,6 +1786,12 @@ void tcg_optimize(TCGContext *s) CASE_OP_32_64(divu): done = fold_const2(&ctx, op); break; + case INDEX_op_dup_vec: + done = fold_dup(&ctx, op); + break; + case INDEX_op_dup2_vec: + done = fold_dup2(&ctx, op); + break; CASE_OP_32_64(eqv): done = fold_eqv(&ctx, op); break; -- 2.25.1