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charset="utf-8" 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::52e; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52e.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: , Cc: luis.pires@eldorado.org.br, alex.bennee@linaro.org, f4bug@amsat.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1635290992339100001 Reviewed-by: Luis Pires Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- tcg/optimize.c | 56 ++++++++++++++++++++++++++++---------------------- 1 file changed, 31 insertions(+), 25 deletions(-) diff --git a/tcg/optimize.c b/tcg/optimize.c index 9d1d045363..110b3d1cc2 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -922,6 +922,34 @@ static bool fold_mb(OptContext *ctx, TCGOp *op) return true; } =20 +static bool fold_movcond(OptContext *ctx, TCGOp *op) +{ + TCGOpcode opc =3D op->opc; + TCGCond cond =3D op->args[5]; + int i =3D do_constant_folding_cond(opc, op->args[1], op->args[2], cond= ); + + if (i >=3D 0) { + return tcg_opt_gen_mov(ctx, op, op->args[0], op->args[4 - i]); + } + + if (arg_is_const(op->args[3]) && arg_is_const(op->args[4])) { + uint64_t tv =3D arg_info(op->args[3])->val; + uint64_t fv =3D arg_info(op->args[4])->val; + + opc =3D (opc =3D=3D INDEX_op_movcond_i32 + ? INDEX_op_setcond_i32 : INDEX_op_setcond_i64); + + if (tv =3D=3D 1 && fv =3D=3D 0) { + op->opc =3D opc; + op->args[3] =3D cond; + } else if (fv =3D=3D 1 && tv =3D=3D 0) { + op->opc =3D opc; + op->args[3] =3D tcg_invert_cond(cond); + } + } + return false; +} + static bool fold_mul(OptContext *ctx, TCGOp *op) { return fold_const2(ctx, op); @@ -1715,31 +1743,6 @@ void tcg_optimize(TCGContext *s) } break; =20 - CASE_OP_32_64(movcond): - i =3D do_constant_folding_cond(opc, op->args[1], - op->args[2], op->args[5]); - if (i >=3D 0) { - tcg_opt_gen_mov(&ctx, op, op->args[0], op->args[4 - i]); - continue; - } - if (arg_is_const(op->args[3]) && arg_is_const(op->args[4])) { - uint64_t tv =3D arg_info(op->args[3])->val; - uint64_t fv =3D arg_info(op->args[4])->val; - TCGCond cond =3D op->args[5]; - - if (fv =3D=3D 1 && tv =3D=3D 0) { - cond =3D tcg_invert_cond(cond); - } else if (!(tv =3D=3D 1 && fv =3D=3D 0)) { - break; - } - op->args[3] =3D cond; - op->opc =3D opc =3D (opc =3D=3D INDEX_op_movcond_i32 - ? INDEX_op_setcond_i32 - : INDEX_op_setcond_i64); - } - break; - - default: break; =20 @@ -1791,6 +1794,9 @@ void tcg_optimize(TCGContext *s) case INDEX_op_mb: done =3D fold_mb(&ctx, op); break; + CASE_OP_32_64(movcond): + done =3D fold_movcond(&ctx, op); + break; CASE_OP_32_64(mul): done =3D fold_mul(&ctx, op); break; --=20 2.25.1