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X-Received-From: 2607:f8b0:400e:c05::241 Subject: [Qemu-devel] [PATCH for-2.11 08/23] tcg/s390: Use constant pool for andi X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 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: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- tcg/s390/tcg-target.inc.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/tcg/s390/tcg-target.inc.c b/tcg/s390/tcg-target.inc.c index 29b77ff67f..4be57c5765 100644 --- a/tcg/s390/tcg-target.inc.c +++ b/tcg/s390/tcg-target.inc.c @@ -224,6 +224,7 @@ typedef enum S390Opcode { RXY_LRVG =3D 0xe30f, RXY_LRVH =3D 0xe31f, RXY_LY =3D 0xe358, + RXY_NG =3D 0xe380, RXY_STCY =3D 0xe372, RXY_STG =3D 0xe324, RXY_STHY =3D 0xe370, @@ -985,8 +986,17 @@ static void tgen_andi(TCGContext *s, TCGType type, TCG= Reg dest, uint64_t val) return; } =20 - /* Fall back to loading the constant. */ - tcg_out_movi(s, type, TCG_TMP0, val); + /* Use the constant pool if USE_REG_TB, but not for small constants. = */ + if (USE_REG_TB) { + if (!maybe_out_small_movi(s, type, TCG_TMP0, val)) { + tcg_out_insn(s, RXY, NG, dest, TCG_REG_TB, TCG_REG_NONE, 0); + new_pool_label(s, val & valid, R_390_20, s->code_ptr - 2, + -(intptr_t)s->code_gen_ptr); + return; + } + } else { + tcg_out_movi(s, type, TCG_TMP0, val); + } if (type =3D=3D TCG_TYPE_I32) { tcg_out_insn(s, RR, NR, dest, TCG_TMP0); } else { @@ -2341,6 +2351,8 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpc= ode op) return &r_r_ri; case INDEX_op_sub_i32: case INDEX_op_sub_i64: + case INDEX_op_and_i32: + case INDEX_op_and_i64: return (s390_facilities & FACILITY_DISTINCT_OPS ? &r_r_ri : &r_0_r= i); =20 case INDEX_op_mul_i32: @@ -2375,10 +2387,6 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOp= code op) ? (s390_facilities & FACILITY_DISTINCT_OPS ? &r_r_rM : &r_= 0_rM) : &r_0_r); =20 - case INDEX_op_and_i32: - case INDEX_op_and_i64: - return (s390_facilities & FACILITY_DISTINCT_OPS ? &r_r_ri : &r_0_r= i); - case INDEX_op_shl_i32: case INDEX_op_shr_i32: case INDEX_op_sar_i32: --=20 2.13.3