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([2602:ae:154a:9f01:87cc:49bb:2900:c08b]) by smtp.gmail.com with ESMTPSA id r13-20020a17090b050d00b002372106a5c2sm6567901pjz.37.2023.03.05.16.40.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 Mar 2023 16:40:16 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org Subject: [PULL 24/84] target/arm: Drop tcg_temp_free from translator-neon.c Date: Sun, 5 Mar 2023 16:38:54 -0800 Message-Id: <20230306003954.1866998-25-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230306003954.1866998-1-richard.henderson@linaro.org> References: <20230306003954.1866998-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62b.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 Translators are no longer required to free tcg temporaries. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/tcg/translate-neon.c | 131 +------------------------------- 1 file changed, 1 insertion(+), 130 deletions(-) diff --git a/target/arm/tcg/translate-neon.c b/target/arm/tcg/translate-neon.c index 4016339d46..af8685a4ac 100644 --- a/target/arm/tcg/translate-neon.c +++ b/target/arm/tcg/translate-neon.c @@ -182,7 +182,6 @@ static bool do_neon_ddda_fpst(DisasContext *s, int q, int vd, int vn, int vm, vfp_reg_offset(1, vm), vfp_reg_offset(1, vd), fpst, opr_sz, opr_sz, data, fn_gvec_ptr); - tcg_temp_free_ptr(fpst); return true; } @@ -236,7 +235,6 @@ static bool trans_VCADD(DisasContext *s, arg_VCADD *a) vfp_reg_offset(1, a->vm), fpst, opr_sz, opr_sz, a->rot, fn_gvec_ptr); - tcg_temp_free_ptr(fpst); return true; } @@ -433,7 +431,6 @@ static void gen_neon_ldst_base_update(DisasContext *s, int rm, int rn, TCGv_i32 index; index = load_reg(s, rm); tcg_gen_add_i32(base, base, index); - tcg_temp_free_i32(index); } store_reg(s, rn, base); } @@ -536,8 +533,6 @@ static bool trans_VLDST_multiple(DisasContext *s, arg_VLDST_multiple *a) } } } - tcg_temp_free_i32(addr); - tcg_temp_free_i64(tmp64); gen_neon_ldst_base_update(s, a->rm, a->rn, nregs * interleave * 8); return true; @@ -630,8 +625,6 @@ static bool trans_VLD_all_lanes(DisasContext *s, arg_VLD_all_lanes *a) /* Subsequent memory operations inherit alignment */ mop &= ~MO_AMASK; } - tcg_temp_free_i32(tmp); - tcg_temp_free_i32(addr); gen_neon_ldst_base_update(s, a->rm, a->rn, (1 << size) * nregs); @@ -751,8 +744,6 @@ static bool trans_VLDST_single(DisasContext *s, arg_VLDST_single *a) /* Subsequent memory operations inherit alignment */ mop &= ~MO_AMASK; } - tcg_temp_free_i32(addr); - tcg_temp_free_i32(tmp); gen_neon_ldst_base_update(s, a->rm, a->rn, (1 << a->size) * nregs); @@ -1061,9 +1052,6 @@ static bool do_3same_pair(DisasContext *s, arg_3same *a, NeonGenTwoOpFn *fn) write_neon_element32(tmp, a->vd, 0, MO_32); write_neon_element32(tmp3, a->vd, 1, MO_32); - tcg_temp_free_i32(tmp); - tcg_temp_free_i32(tmp2); - tcg_temp_free_i32(tmp3); return true; } @@ -1126,7 +1114,6 @@ DO_3SAME_VQDMULH(VQRDMULH, qrdmulh) TCGv_ptr fpst = fpstatus_ptr(FPST); \ tcg_gen_gvec_3_ptr(rd_ofs, rn_ofs, rm_ofs, fpst, \ oprsz, maxsz, 0, FUNC); \ - tcg_temp_free_ptr(fpst); \ } #define DO_3S_FP_GVEC(INSN,SFUNC,HFUNC) \ @@ -1225,7 +1212,6 @@ static bool do_3same_fp_pair(DisasContext *s, arg_3same *a, vfp_reg_offset(1, a->vn), vfp_reg_offset(1, a->vm), fpstatus, 8, 8, 0, fn); - tcg_temp_free_ptr(fpstatus); return true; } @@ -1358,7 +1344,6 @@ static bool do_2shift_env_64(DisasContext *s, arg_2reg_shift *a, read_neon_element64(tmp, a->vm, pass, MO_64); fn(tmp, cpu_env, tmp, constimm); write_neon_element64(tmp, a->vd, pass, MO_64); - tcg_temp_free_i64(tmp); } return true; } @@ -1403,7 +1388,6 @@ static bool do_2shift_env_32(DisasContext *s, arg_2reg_shift *a, fn(tmp, cpu_env, tmp, constimm); write_neon_element32(tmp, a->vd, pass, MO_32); } - tcg_temp_free_i32(tmp); return true; } @@ -1474,10 +1458,6 @@ static bool do_2shift_narrow_64(DisasContext *s, arg_2reg_shift *a, narrowfn(rd, cpu_env, rm2); write_neon_element32(rd, a->vd, 1, MO_32); - tcg_temp_free_i32(rd); - tcg_temp_free_i64(rm1); - tcg_temp_free_i64(rm2); - return true; } @@ -1537,22 +1517,17 @@ static bool do_2shift_narrow_32(DisasContext *s, arg_2reg_shift *a, shiftfn(rm2, rm2, constimm); tcg_gen_concat_i32_i64(rtmp, rm1, rm2); - tcg_temp_free_i32(rm2); narrowfn(rm1, cpu_env, rtmp); write_neon_element32(rm1, a->vd, 0, MO_32); - tcg_temp_free_i32(rm1); shiftfn(rm3, rm3, constimm); shiftfn(rm4, rm4, constimm); tcg_gen_concat_i32_i64(rtmp, rm3, rm4); - tcg_temp_free_i32(rm4); narrowfn(rm3, cpu_env, rtmp); - tcg_temp_free_i64(rtmp); write_neon_element32(rm3, a->vd, 1, MO_32); - tcg_temp_free_i32(rm3); return true; } @@ -1660,7 +1635,6 @@ static bool do_vshll_2sh(DisasContext *s, arg_2reg_shift *a, tmp = tcg_temp_new_i64(); widenfn(tmp, rm0); - tcg_temp_free_i32(rm0); if (a->shift != 0) { tcg_gen_shli_i64(tmp, tmp, a->shift); tcg_gen_andi_i64(tmp, tmp, ~widen_mask); @@ -1668,13 +1642,11 @@ static bool do_vshll_2sh(DisasContext *s, arg_2reg_shift *a, write_neon_element64(tmp, a->vd, 0, MO_64); widenfn(tmp, rm1); - tcg_temp_free_i32(rm1); if (a->shift != 0) { tcg_gen_shli_i64(tmp, tmp, a->shift); tcg_gen_andi_i64(tmp, tmp, ~widen_mask); } write_neon_element64(tmp, a->vd, 1, MO_64); - tcg_temp_free_i64(tmp); return true; } @@ -1733,7 +1705,6 @@ static bool do_fp_2sh(DisasContext *s, arg_2reg_shift *a, fpst = fpstatus_ptr(a->size == MO_16 ? FPST_STD_F16 : FPST_STD); tcg_gen_gvec_2_ptr(rd_ofs, rm_ofs, fpst, vec_size, vec_size, a->shift, fn); - tcg_temp_free_ptr(fpst); return true; } @@ -1849,7 +1820,6 @@ static bool do_prewiden_3d(DisasContext *s, arg_3diff *a, TCGv_i32 tmp = tcg_temp_new_i32(); read_neon_element32(tmp, a->vn, 0, MO_32); widenfn(rn0_64, tmp); - tcg_temp_free_i32(tmp); } if (src2_mop >= 0) { read_neon_element64(rm_64, a->vm, 0, src2_mop); @@ -1857,7 +1827,6 @@ static bool do_prewiden_3d(DisasContext *s, arg_3diff *a, TCGv_i32 tmp = tcg_temp_new_i32(); read_neon_element32(tmp, a->vm, 0, MO_32); widenfn(rm_64, tmp); - tcg_temp_free_i32(tmp); } opfn(rn0_64, rn0_64, rm_64); @@ -1872,7 +1841,6 @@ static bool do_prewiden_3d(DisasContext *s, arg_3diff *a, TCGv_i32 tmp = tcg_temp_new_i32(); read_neon_element32(tmp, a->vn, 1, MO_32); widenfn(rn1_64, tmp); - tcg_temp_free_i32(tmp); } if (src2_mop >= 0) { read_neon_element64(rm_64, a->vm, 1, src2_mop); @@ -1880,7 +1848,6 @@ static bool do_prewiden_3d(DisasContext *s, arg_3diff *a, TCGv_i32 tmp = tcg_temp_new_i32(); read_neon_element32(tmp, a->vm, 1, MO_32); widenfn(rm_64, tmp); - tcg_temp_free_i32(tmp); } write_neon_element64(rn0_64, a->vd, 0, MO_64); @@ -1888,10 +1855,6 @@ static bool do_prewiden_3d(DisasContext *s, arg_3diff *a, opfn(rn1_64, rn1_64, rm_64); write_neon_element64(rn1_64, a->vd, 1, MO_64); - tcg_temp_free_i64(rn0_64); - tcg_temp_free_i64(rn1_64); - tcg_temp_free_i64(rm_64); - return true; } @@ -1976,11 +1939,6 @@ static bool do_narrow_3d(DisasContext *s, arg_3diff *a, write_neon_element32(rd0, a->vd, 0, MO_32); write_neon_element32(rd1, a->vd, 1, MO_32); - tcg_temp_free_i32(rd0); - tcg_temp_free_i32(rd1); - tcg_temp_free_i64(rn_64); - tcg_temp_free_i64(rm_64); - return true; } @@ -2061,8 +2019,6 @@ static bool do_long_3d(DisasContext *s, arg_3diff *a, read_neon_element32(rn, a->vn, 1, MO_32); read_neon_element32(rm, a->vm, 1, MO_32); opfn(rd1, rn, rm); - tcg_temp_free_i32(rn); - tcg_temp_free_i32(rm); /* Don't store results until after all loads: they might overlap */ if (accfn) { @@ -2071,13 +2027,10 @@ static bool do_long_3d(DisasContext *s, arg_3diff *a, accfn(rd0, tmp, rd0); read_neon_element64(tmp, a->vd, 1, MO_64); accfn(rd1, tmp, rd1); - tcg_temp_free_i64(tmp); } write_neon_element64(rd0, a->vd, 0, MO_64); write_neon_element64(rd1, a->vd, 1, MO_64); - tcg_temp_free_i64(rd0); - tcg_temp_free_i64(rd1); return true; } @@ -2149,9 +2102,6 @@ static void gen_mull_s32(TCGv_i64 rd, TCGv_i32 rn, TCGv_i32 rm) tcg_gen_muls2_i32(lo, hi, rn, rm); tcg_gen_concat_i32_i64(rd, lo, hi); - - tcg_temp_free_i32(lo); - tcg_temp_free_i32(hi); } static void gen_mull_u32(TCGv_i64 rd, TCGv_i32 rn, TCGv_i32 rm) @@ -2161,9 +2111,6 @@ static void gen_mull_u32(TCGv_i64 rd, TCGv_i32 rn, TCGv_i32 rm) tcg_gen_mulu2_i32(lo, hi, rn, rm); tcg_gen_concat_i32_i64(rd, lo, hi); - - tcg_temp_free_i32(lo); - tcg_temp_free_i32(hi); } static bool trans_VMULL_S_3d(DisasContext *s, arg_3diff *a) @@ -2344,7 +2291,6 @@ static void gen_neon_dup_low16(TCGv_i32 var) tcg_gen_ext16u_i32(var, var); tcg_gen_shli_i32(tmp, var, 16); tcg_gen_or_i32(var, var, tmp); - tcg_temp_free_i32(tmp); } static void gen_neon_dup_high16(TCGv_i32 var) @@ -2353,7 +2299,6 @@ static void gen_neon_dup_high16(TCGv_i32 var) tcg_gen_andi_i32(var, var, 0xffff0000); tcg_gen_shri_i32(tmp, var, 16); tcg_gen_or_i32(var, var, tmp); - tcg_temp_free_i32(tmp); } static inline TCGv_i32 neon_get_scalar(int size, int reg) @@ -2417,12 +2362,9 @@ static bool do_2scalar(DisasContext *s, arg_2scalar *a, TCGv_i32 rd = tcg_temp_new_i32(); read_neon_element32(rd, a->vd, pass, MO_32); accfn(tmp, rd, tmp); - tcg_temp_free_i32(rd); } write_neon_element32(tmp, a->vd, pass, MO_32); } - tcg_temp_free_i32(tmp); - tcg_temp_free_i32(scalar); return true; } @@ -2516,7 +2458,6 @@ static bool do_2scalar_fp_vec(DisasContext *s, arg_2scalar *a, fpstatus = fpstatus_ptr(a->size == 1 ? FPST_STD_F16 : FPST_STD); tcg_gen_gvec_3_ptr(rd_ofs, rn_ofs, rm_ofs, fpstatus, vec_size, vec_size, idx, fn); - tcg_temp_free_ptr(fpstatus); return true; } @@ -2616,10 +2557,6 @@ static bool do_vqrdmlah_2sc(DisasContext *s, arg_2scalar *a, opfn(rd, cpu_env, rn, scalar, rd); write_neon_element32(rd, a->vd, pass, MO_32); } - tcg_temp_free_i32(rn); - tcg_temp_free_i32(rd); - tcg_temp_free_i32(scalar); - return true; } @@ -2692,8 +2629,6 @@ static bool do_2scalar_long(DisasContext *s, arg_2scalar *a, read_neon_element32(rn, a->vn, 1, MO_32); rn1_64 = tcg_temp_new_i64(); opfn(rn1_64, rn, scalar); - tcg_temp_free_i32(rn); - tcg_temp_free_i32(scalar); if (accfn) { TCGv_i64 t64 = tcg_temp_new_i64(); @@ -2701,13 +2636,10 @@ static bool do_2scalar_long(DisasContext *s, arg_2scalar *a, accfn(rn0_64, t64, rn0_64); read_neon_element64(t64, a->vd, 1, MO_64); accfn(rn1_64, t64, rn1_64); - tcg_temp_free_i64(t64); } write_neon_element64(rn0_64, a->vd, 0, MO_64); write_neon_element64(rn1_64, a->vd, 1, MO_64); - tcg_temp_free_i64(rn0_64); - tcg_temp_free_i64(rn1_64); return true; } @@ -2842,10 +2774,6 @@ static bool trans_VEXT(DisasContext *s, arg_VEXT *a) read_neon_element64(left, a->vm, 0, MO_64); tcg_gen_extract2_i64(dest, right, left, a->imm * 8); write_neon_element64(dest, a->vd, 0, MO_64); - - tcg_temp_free_i64(left); - tcg_temp_free_i64(right); - tcg_temp_free_i64(dest); } else { /* Extract 128 bits from */ TCGv_i64 left, middle, right, destleft, destright; @@ -2872,12 +2800,6 @@ static bool trans_VEXT(DisasContext *s, arg_VEXT *a) write_neon_element64(destright, a->vd, 0, MO_64); write_neon_element64(destleft, a->vd, 1, MO_64); - - tcg_temp_free_i64(destright); - tcg_temp_free_i64(destleft); - tcg_temp_free_i64(right); - tcg_temp_free_i64(middle); - tcg_temp_free_i64(left); } return true; } @@ -2921,9 +2843,6 @@ static bool trans_VTBL(DisasContext *s, arg_VTBL *a) gen_helper_neon_tbl(val, cpu_env, desc, val, def); write_neon_element64(val, a->vd, 0, MO_64); - - tcg_temp_free_i64(def); - tcg_temp_free_i64(val); return true; } @@ -3002,9 +2921,6 @@ static bool trans_VREV64(DisasContext *s, arg_VREV64 *a) write_neon_element32(tmp[1], a->vd, pass * 2, MO_32); write_neon_element32(tmp[0], a->vd, pass * 2 + 1, MO_32); } - - tcg_temp_free_i32(tmp[0]); - tcg_temp_free_i32(tmp[1]); return true; } @@ -3055,20 +2971,15 @@ static bool do_2misc_pairwise(DisasContext *s, arg_2misc *a, widenfn(rm0_64, tmp); read_neon_element32(tmp, a->vm, pass * 2 + 1, MO_32); widenfn(rm1_64, tmp); - tcg_temp_free_i32(tmp); opfn(rd_64, rm0_64, rm1_64); - tcg_temp_free_i64(rm0_64); - tcg_temp_free_i64(rm1_64); if (accfn) { TCGv_i64 tmp64 = tcg_temp_new_i64(); read_neon_element64(tmp64, a->vd, pass, MO_64); accfn(rd_64, tmp64, rd_64); - tcg_temp_free_i64(tmp64); } write_neon_element64(rd_64, a->vd, pass, MO_64); - tcg_temp_free_i64(rd_64); } return true; } @@ -3192,8 +3103,6 @@ static bool do_zip_uzp(DisasContext *s, arg_2misc *a, pd = vfp_reg_ptr(true, a->vd); pm = vfp_reg_ptr(true, a->vm); fn(pd, pm); - tcg_temp_free_ptr(pd); - tcg_temp_free_ptr(pm); return true; } @@ -3271,9 +3180,6 @@ static bool do_vmovn(DisasContext *s, arg_2misc *a, narrowfn(rd1, cpu_env, rm); write_neon_element32(rd0, a->vd, 0, MO_32); write_neon_element32(rd1, a->vd, 1, MO_32); - tcg_temp_free_i32(rd0); - tcg_temp_free_i32(rd1); - tcg_temp_free_i64(rm); return true; } @@ -3341,10 +3247,6 @@ static bool trans_VSHLL(DisasContext *s, arg_2misc *a) widenfn(rd, rm1); tcg_gen_shli_i64(rd, rd, 8 << a->size); write_neon_element64(rd, a->vd, 1, MO_64); - - tcg_temp_free_i64(rd); - tcg_temp_free_i32(rm0); - tcg_temp_free_i32(rm1); return true; } @@ -3385,11 +3287,6 @@ static bool trans_VCVT_B16_F32(DisasContext *s, arg_2misc *a) write_neon_element32(dst0, a->vd, 0, MO_32); write_neon_element32(dst1, a->vd, 1, MO_32); - - tcg_temp_free_i64(tmp); - tcg_temp_free_i32(dst0); - tcg_temp_free_i32(dst1); - tcg_temp_free_ptr(fpst); return true; } @@ -3432,16 +3329,10 @@ static bool trans_VCVT_F16_F32(DisasContext *s, arg_2misc *a) tmp3 = tcg_temp_new_i32(); read_neon_element32(tmp3, a->vm, 3, MO_32); write_neon_element32(tmp2, a->vd, 0, MO_32); - tcg_temp_free_i32(tmp2); gen_helper_vfp_fcvt_f32_to_f16(tmp3, tmp3, fpst, ahp); tcg_gen_shli_i32(tmp3, tmp3, 16); tcg_gen_or_i32(tmp3, tmp3, tmp); write_neon_element32(tmp3, a->vd, 1, MO_32); - tcg_temp_free_i32(tmp3); - tcg_temp_free_i32(tmp); - tcg_temp_free_i32(ahp); - tcg_temp_free_ptr(fpst); - return true; } @@ -3482,18 +3373,12 @@ static bool trans_VCVT_F32_F16(DisasContext *s, arg_2misc *a) tcg_gen_shri_i32(tmp, tmp, 16); gen_helper_vfp_fcvt_f16_to_f32(tmp, tmp, fpst, ahp); write_neon_element32(tmp, a->vd, 1, MO_32); - tcg_temp_free_i32(tmp); tcg_gen_ext16u_i32(tmp3, tmp2); gen_helper_vfp_fcvt_f16_to_f32(tmp3, tmp3, fpst, ahp); write_neon_element32(tmp3, a->vd, 2, MO_32); - tcg_temp_free_i32(tmp3); tcg_gen_shri_i32(tmp2, tmp2, 16); gen_helper_vfp_fcvt_f16_to_f32(tmp2, tmp2, fpst, ahp); write_neon_element32(tmp2, a->vd, 3, MO_32); - tcg_temp_free_i32(tmp2); - tcg_temp_free_i32(ahp); - tcg_temp_free_ptr(fpst); - return true; } @@ -3628,8 +3513,6 @@ static bool do_2misc(DisasContext *s, arg_2misc *a, NeonGenOneOpFn *fn) fn(tmp, tmp); write_neon_element32(tmp, a->vd, pass, MO_32); } - tcg_temp_free_i32(tmp); - return true; } @@ -3790,7 +3673,6 @@ static bool trans_VQNEG(DisasContext *s, arg_2misc *a) fpst = fpstatus_ptr(vece == MO_16 ? FPST_STD_F16 : FPST_STD); \ tcg_gen_gvec_2_ptr(rd_ofs, rm_ofs, fpst, oprsz, maxsz, 0, \ fns[vece]); \ - tcg_temp_free_ptr(fpst); \ } \ static bool trans_##INSN(DisasContext *s, arg_2misc *a) \ { \ @@ -3841,7 +3723,6 @@ static bool trans_VRINTX(DisasContext *s, arg_2misc *a) fpst = fpstatus_ptr(vece == 1 ? FPST_STD_F16 : FPST_STD); \ tcg_gen_gvec_2_ptr(rd_ofs, rm_ofs, fpst, oprsz, maxsz, \ arm_rmode_to_sf(RMODE), fns[vece]); \ - tcg_temp_free_ptr(fpst); \ } \ static bool trans_##INSN(DisasContext *s, arg_2misc *a) \ { \ @@ -3908,11 +3789,9 @@ static bool trans_VSWP(DisasContext *s, arg_2misc *a) write_neon_element64(rm, a->vd, pass, MO_64); write_neon_element64(rd, a->vm, pass, MO_64); } - tcg_temp_free_i64(rm); - tcg_temp_free_i64(rd); - return true; } + static void gen_neon_trn_u8(TCGv_i32 t0, TCGv_i32 t1) { TCGv_i32 rd, tmp; @@ -3930,9 +3809,6 @@ static void gen_neon_trn_u8(TCGv_i32 t0, TCGv_i32 t1) tcg_gen_andi_i32(tmp, t0, 0xff00ff00); tcg_gen_or_i32(t1, t1, tmp); tcg_gen_mov_i32(t0, rd); - - tcg_temp_free_i32(tmp); - tcg_temp_free_i32(rd); } static void gen_neon_trn_u16(TCGv_i32 t0, TCGv_i32 t1) @@ -3949,9 +3825,6 @@ static void gen_neon_trn_u16(TCGv_i32 t0, TCGv_i32 t1) tcg_gen_andi_i32(tmp, t0, 0xffff0000); tcg_gen_or_i32(t1, t1, tmp); tcg_gen_mov_i32(t0, rd); - - tcg_temp_free_i32(tmp); - tcg_temp_free_i32(rd); } static bool trans_VTRN(DisasContext *s, arg_2misc *a) @@ -4003,8 +3876,6 @@ static bool trans_VTRN(DisasContext *s, arg_2misc *a) write_neon_element32(tmp, a->vd, pass, MO_32); } } - tcg_temp_free_i32(tmp); - tcg_temp_free_i32(tmp2); return true; }