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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::433; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x433.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: 1633637573622100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson Reviewed-by: Luis Pires --- tcg/optimize.c | 33 +++++++++++++++++++-------------- 1 file changed, 19 insertions(+), 14 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index 266787957f..786d46ed66 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -714,6 +714,22 @@ static bool fold_andc(OptContext *ctx, TCGOp *op) return fold_const2(ctx, op); } =20 +static bool fold_brcond(OptContext *ctx, TCGOp *op) +{ + TCGCond cond =3D op->args[2]; + int i =3D do_constant_folding_cond(op->opc, op->args[0], op->args[1], = cond); + + if (i =3D=3D 0) { + tcg_op_remove(ctx->tcg, op); + return true; + } + if (i > 0) { + op->opc =3D INDEX_op_br; + op->args[0] =3D op->args[3]; + } + return false; +} + static bool fold_brcond2(OptContext *ctx, TCGOp *op) { TCGCond cond =3D op->args[4]; @@ -1628,20 +1644,6 @@ void tcg_optimize(TCGContext *s) } break; =20 - CASE_OP_32_64(brcond): - i =3D do_constant_folding_cond(opc, op->args[0], - op->args[1], op->args[2]); - if (i =3D=3D 0) { - tcg_op_remove(s, op); - continue; - } else if (i > 0) { - memset(&ctx.temps_used, 0, sizeof(ctx.temps_used)); - op->opc =3D opc =3D INDEX_op_br; - op->args[0] =3D op->args[3]; - break; - } - break; - CASE_OP_32_64(movcond): i =3D do_constant_folding_cond(opc, op->args[1], op->args[2], op->args[5]); @@ -1724,6 +1726,9 @@ void tcg_optimize(TCGContext *s) CASE_OP_32_64_VEC(andc): done =3D fold_andc(&ctx, op); break; + CASE_OP_32_64(brcond): + done =3D fold_brcond(&ctx, op); + break; case INDEX_op_brcond2_i32: done =3D fold_brcond2(&ctx, op); break; --=20 2.25.1