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[71.212.47.143]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-73bd22f82ebsm9225124b3a.92.2025.04.15.12.25.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Apr 2025 12:25:28 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= Subject: [PATCH v4 015/163] tcg/optimize: Fold orc with immediate to or Date: Tue, 15 Apr 2025 12:22:46 -0700 Message-ID: <20250415192515.232910-16-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250415192515.232910-1-richard.henderson@linaro.org> References: <20250415192515.232910-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::529; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x529.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+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- tcg/optimize.c | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index d388c2b9ae..c75413c48c 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -2131,6 +2131,7 @@ static bool fold_or(OptContext *ctx, TCGOp *op) static bool fold_orc(OptContext *ctx, TCGOp *op) { uint64_t s_mask; + TempOptInfo *t1, *t2; if (fold_const2(ctx, op) || fold_xx_to_i(ctx, op, -1) || @@ -2139,8 +2140,28 @@ static bool fold_orc(OptContext *ctx, TCGOp *op) return true; } - s_mask = arg_info(op->args[1])->s_mask - & arg_info(op->args[2])->s_mask; + t2 = arg_info(op->args[2]); + if (ti_is_const(t2)) { + /* Fold orc r,x,i to or r,x,~i. */ + switch (ctx->type) { + case TCG_TYPE_I32: + case TCG_TYPE_I64: + op->opc = INDEX_op_or; + break; + case TCG_TYPE_V64: + case TCG_TYPE_V128: + case TCG_TYPE_V256: + op->opc = INDEX_op_or_vec; + break; + default: + g_assert_not_reached(); + } + op->args[2] = arg_new_constant(ctx, ~ti_const_val(t2)); + return fold_or(ctx, op); + } + + t1 = arg_info(op->args[1]); + s_mask = t1->s_mask & t2->s_mask; return fold_masks_s(ctx, op, s_mask); }