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From: Paolo Bonzini <pbonzini@redhat.com>
To: Richard Henderson <richard.henderson@linaro.org>, qemu-devel@nongnu.org
Subject: Re: [PATCH 06/29] tcg/optimize: Handle TCG_COND_TST{EQ,NE}
Date: Fri, 27 Oct 2023 04:05:41 +0200	[thread overview]
Message-ID: <15a0462e-bf20-4fdb-a59c-25da94882cd6@redhat.com> (raw)
In-Reply-To: <20231026001542.1141412-13-richard.henderson@linaro.org>

On 10/26/23 02:13, Richard Henderson wrote:
> +
> +    sh = ctz64(val);
> +    ret = op->args[0];
> +    src1 = op->args[1];
> +    inv = cond == TCG_COND_TSTEQ;
> +
> +    if (neg && !inv && sext_opc) {
> +        op->opc = sext_opc;
> +        op->args[1] = src1;
> +        op->args[2] = sh;
> +        op->args[3] = 1;
> +        neg = false;

This needs to check the validity of (sh,1) as arguments to the extract 
opcode (and perhaps the opposite transformation should be done in 
tcg_gen_extract, when creating a 1-bit extract on a target that does not 
support it).

Paolo



  reply	other threads:[~2023-10-27  2:06 UTC|newest]

Thread overview: 136+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-26  0:13 [PULL 00/94] target/sparc: Convert to decodetree Richard Henderson
2023-10-26  0:13 ` [PULL 01/94] target/sparc: Clear may_lookup for npc == DYNAMIC_PC Richard Henderson
2023-10-26  0:13 ` [PATCH 01/29] tcg: Introduce TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-26  0:13 ` [PULL 02/94] target/sparc: Implement check_align inline Richard Henderson
2023-10-26  0:13 ` [PATCH 02/29] tcg/optimize: Split out arg_is_const_val Richard Henderson
2023-10-26  0:13 ` [PULL 03/94] target/sparc: Avoid helper_raise_exception in helper_st_asi Richard Henderson
2023-10-26  0:13 ` [PATCH 03/29] tcg/optimize: Split out do_constant_folding_cond1 Richard Henderson
2023-10-26  0:13 ` [PULL 04/94] target/sparc: Set TCG_GUEST_DEFAULT_MO Richard Henderson
2023-10-26  0:13 ` [PATCH 04/29] tcg/optimize: Do swap_commutative2 in do_constant_folding_cond2 Richard Henderson
2023-10-26  0:13 ` [PULL 05/94] configs: Enable MTTCG for sparc, sparc64 Richard Henderson
2023-10-26  0:13 ` [PATCH 05/29] tcg/optimize: Split out arg_new_constant Richard Henderson
2023-10-26  0:13 ` [PULL 06/94] target/sparc: Define features via cpu-feature.h.inc Richard Henderson
2023-10-26  0:13 ` [PATCH 06/29] tcg/optimize: Handle TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-27  2:05   ` Paolo Bonzini [this message]
2023-10-26  0:13 ` [PULL 07/94] target/sparc: Use CPU_FEATURE_BIT_* for cpu properties Richard Henderson
2023-10-26  0:13 ` [PATCH 07/29] tcg/aarch64: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-26  0:13 ` [PULL 08/94] target/sparc: Remove sparcv7 cpu features Richard Henderson
2023-10-26  0:13 ` [PATCH 08/29] tcg/aarch64: Generate TBZ, TBNZ Richard Henderson
2023-10-27  4:44   ` Paolo Bonzini
2023-10-26  0:13 ` [PULL 09/94] target/sparc: Partition cpu features Richard Henderson
2023-10-26  0:13 ` [PATCH 09/29] tcg/arm: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-26  0:13 ` [PULL 10/94] target/sparc: Add decodetree infrastructure Richard Henderson
2023-10-26  0:13 ` [PATCH 10/29] tcg/i386: Pass x86 condition codes to tcg_out_cmov Richard Henderson
2023-10-26  0:14 ` [PULL 11/94] target/sparc: Define AM_CHECK for sparc32 Richard Henderson
2023-10-26  0:14 ` [PATCH 11/29] tcg/i386: Move tcg_cond_to_jcc[] into tcg_out_cmp Richard Henderson
2023-10-26  0:14 ` [PULL 12/94] target/sparc: Move CALL to decodetree Richard Henderson
2023-10-26  0:14 ` [PATCH 12/29] tcg/i386: Add rexw argument to tcg_out_testi Richard Henderson
2023-10-26  0:14 ` [PULL 13/94] target/sparc: Move BPcc and Bicc to decodetree Richard Henderson
2023-10-26  0:14 ` [PATCH 13/29] tcg/i386: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-26 11:29   ` Paolo Bonzini
2023-10-26 16:07     ` Richard Henderson
2023-10-27  2:15   ` Paolo Bonzini
2023-10-26  0:14 ` [PULL 14/94] target/sparc: Move BPr to decodetree Richard Henderson
2023-10-26  0:14 ` [PATCH 14/29] tcg/loongarch64: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-26  0:14 ` [PULL 15/94] target/sparc: Move FBPfcc and FBfcc to decodetree Richard Henderson
2023-10-26  0:14 ` [PATCH 15/29] tcg/mips: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-26  0:14 ` [PULL 16/94] target/sparc: Merge gen_cond with only caller Richard Henderson
2023-10-26  0:14 ` [PATCH 16/29] tcg/riscv: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-26  0:14 ` [PULL 17/94] target/sparc: Merge gen_fcond with only caller Richard Henderson
2023-10-26  0:14 ` [PATCH 17/29] tcg/sparc64: Implement tcg_out_extrl_i64_i32 Richard Henderson
2023-10-26  0:14 ` [PULL 18/94] target/sparc: Merge gen_branch_[an] with only caller Richard Henderson
2023-10-26  0:14 ` [PATCH 18/29] tcg/sparc64: Hoist read of tcg_cond_to_rcond Richard Henderson
2023-10-26  0:14 ` [PULL 19/94] target/sparc: Pass DisasCompare to advance_jump_cond Richard Henderson
2023-10-26  0:14 ` [PATCH 19/29] tcg/sparc64: Pass TCGCond to tcg_out_cmp Richard Henderson
2023-10-26  0:14 ` [PULL 20/94] target/sparc: Move SETHI to decodetree Richard Henderson
2023-10-26  0:14 ` [PATCH 20/29] tcg/sparc64: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-26  0:14 ` [PULL 21/94] target/sparc: Move Tcc to decodetree Richard Henderson
2023-10-26  0:14 ` [PATCH 21/29] tcg/ppc: Sink tcg_to_bc usage into tcg_out_bc Richard Henderson
2023-10-26  0:14 ` [PULL 22/94] target/sparc: Move RDASR, STBAR, MEMBAR to decodetree Richard Henderson
2023-11-03 19:07   ` Peter Maydell
2023-11-03 22:54     ` Richard Henderson
2023-10-26  0:14 ` [PATCH 22/29] tcg/ppc: Use cr0 in tcg_to_bc and tcg_to_isel Richard Henderson
2023-10-26  0:14 ` [PULL 23/94] target/sparc: Move RDPSR, RDHPR to decodetree Richard Henderson
2023-10-26  0:14 ` [PATCH 23/29] tcg/ppc: Create tcg_out_and_rc Richard Henderson
2023-10-26  0:14 ` [PULL 24/94] target/sparc: Move RDWIM, RDPR to decodetree Richard Henderson
2023-10-26  0:14 ` [PATCH 24/29] tcg/ppc: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-26  0:14 ` [PULL 25/94] target/sparc: Move RDTBR, FLUSHW to decodetree Richard Henderson
2023-10-26  0:14 ` [PATCH 25/29] tcg/s390x: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-26  0:14 ` [PULL 26/94] target/sparc: Move WRASR to decodetree Richard Henderson
2023-10-26  0:14 ` [PATCH 26/29] tcg/tci: Support TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-26  0:14 ` [PATCH 27/29] target/alpha: Use TCG_COND_TST{EQ,NE} for BLB{C,S} Richard Henderson
2023-10-26  0:14 ` [PULL 27/94] target/sparc: Move WRPSR, SAVED, RESTORED to decodetree Richard Henderson
2023-10-26  0:14 ` [PATCH 28/29] target/alpha: Use TCG_COND_TST{EQ,NE} for CMOVLB{C,S} Richard Henderson
2023-10-26  0:14 ` [PULL 28/94] target/sparc: Move WRWIM, WRPR to decodetree Richard Henderson
2023-10-26  0:14 ` [PATCH 29/29] target/alpha: Use TCG_COND_TSTNE for gen_fold_mzero Richard Henderson
2023-10-26  0:14 ` [PULL 29/94] target/sparc: Move WRTBR, WRHPR to decodetree Richard Henderson
2023-10-26  0:14 ` [PULL 30/94] target/sparc: Remove cpu_wim Richard Henderson
2023-10-26  0:14 ` [PULL 31/94] target/sparc: Remove cpu_tick_cmpr, cpu_stick_cmpr, cpu_hstick_cmpr Richard Henderson
2023-10-26  0:14 ` [PULL 32/94] target/sparc: Remove cpu_hintp, cpu_htba, cpu_hver, cpu_ssr, cpu_ver Richard Henderson
2023-10-26  0:14 ` [PULL 33/94] target/sparc: Move basic arithmetic to decodetree Richard Henderson
2023-10-26  0:14 ` [PULL 34/94] target/sparc: Move ADDC " Richard Henderson
2023-10-26  0:14 ` [PULL 35/94] target/sparc: Move MULX " Richard Henderson
2023-10-26  0:14 ` [PULL 36/94] target/sparc: Move UMUL, SMUL " Richard Henderson
2023-10-26  0:14 ` [PULL 37/94] target/sparc: Move SUBC " Richard Henderson
2023-10-26  0:14 ` [PULL 38/94] target/sparc: Move UDIVX, SDIVX " Richard Henderson
2023-10-26  0:14 ` [PULL 39/94] target/sparc: Move UDIV, SDIV " Richard Henderson
2023-10-26  0:14 ` [PULL 40/94] target/sparc: Move TADD, TSUB, MULS " Richard Henderson
2023-10-26  0:14 ` [PULL 41/94] target/sparc: Move SLL, SRL, SRA " Richard Henderson
2023-10-26  0:14 ` [PULL 42/94] target/sparc: Move MOVcc, MOVR " Richard Henderson
2023-10-26  0:14 ` [PULL 43/94] target/sparc: Move POPC " Richard Henderson
2023-10-26  0:14 ` [PULL 44/94] target/sparc: Convert remaining v8 coproc insns " Richard Henderson
2023-10-26  0:14 ` [PULL 45/94] target/sparc: Move JMPL, RETT, RETURN " Richard Henderson
2023-10-26  0:14 ` [PULL 46/94] target/sparc: Move FLUSH, SAVE, RESTORE " Richard Henderson
2023-10-26  0:14 ` [PULL 47/94] target/sparc: Move DONE, RETRY " Richard Henderson
2023-10-26  0:14 ` [PULL 48/94] target/sparc: Split out resolve_asi Richard Henderson
2023-10-26  0:14 ` [PULL 49/94] target/sparc: Drop ifdef around get_asi and friends Richard Henderson
2023-10-26  0:14 ` [PULL 50/94] target/sparc: Split out ldst functions with asi pre-computed Richard Henderson
2023-10-26  0:14 ` [PULL 51/94] target/sparc: Use tcg_gen_qemu_{ld, st}_i128 for GET_ASI_DTWINX Richard Henderson
2023-10-26  0:15 ` [PULL 52/94] target/sparc: Move simple integer load/store to decodetree Richard Henderson
2023-10-26  0:15 ` [PULL 53/94] target/sparc: Move asi " Richard Henderson
2023-10-26  0:15 ` [PULL 54/94] target/sparc: Move LDSTUB, LDSTUBA " Richard Henderson
2023-10-26  0:15 ` [PULL 55/94] target/sparc: Move SWAP, SWAPA " Richard Henderson
2023-10-26  0:15 ` [PULL 56/94] target/sparc: Move CASA, CASXA " Richard Henderson
2023-10-26  0:15 ` [PULL 57/94] target/sparc: Move PREFETCH, PREFETCHA " Richard Henderson
2023-10-26  0:15 ` [PULL 58/94] target/sparc: Split out fp ldst functions with asi precomputed Richard Henderson
2023-10-26  0:15 ` [PULL 59/94] target/sparc: Move simple fp load/store to decodetree Richard Henderson
2023-10-26  0:15 ` [PULL 60/94] target/sparc: Move asi " Richard Henderson
2023-10-26  0:15 ` [PULL 61/94] target/sparc: Move LDFSR, STFSR " Richard Henderson
2023-10-26  0:15 ` [PULL 62/94] target/sparc: Merge LDFSR, LDXFSR implementations Richard Henderson
2023-10-26  0:15 ` [PULL 63/94] target/sparc: Move EDGE* to decodetree Richard Henderson
2023-10-26  0:15 ` [PULL 64/94] target/sparc: Move ARRAY* " Richard Henderson
2023-10-26  0:15 ` [PULL 65/94] target/sparc: Move ADDRALIGN* " Richard Henderson
2023-10-26  0:15 ` [PULL 66/94] target/sparc: Move BMASK " Richard Henderson
2023-10-26  0:15 ` [PULL 67/94] target/sparc: Move FMOVS, FNEGS, FABSS, FSRC*S, FNOT*S " Richard Henderson
2023-10-26  0:15 ` [PULL 68/94] target/sparc: Move FMOVD, FNEGD, FABSD, FSRC*D, FNOT*D " Richard Henderson
2023-10-26  0:15 ` [PULL 69/94] target/sparc: Use tcg_gen_vec_{add,sub}* Richard Henderson
2023-10-26  0:15 ` [PULL 70/94] target/sparc: Move gen_ne_fop_FFF insns to decodetree Richard Henderson
2023-10-26  0:15 ` [PULL 71/94] target/sparc: Move gen_ne_fop_DDD " Richard Henderson
2023-10-26  0:15 ` [PULL 72/94] target/sparc: Move PDIST " Richard Henderson
2023-10-26  0:15 ` [PULL 73/94] target/sparc: Move gen_gsr_fop_DDD insns " Richard Henderson
2023-10-26  0:15 ` [PULL 74/94] target/sparc: Move gen_fop_FF " Richard Henderson
2023-10-26  0:15 ` [PULL 75/94] target/sparc: Move gen_fop_DD " Richard Henderson
2023-10-26  0:15 ` [PULL 76/94] target/sparc: Move FSQRTq " Richard Henderson
2023-10-26  0:15 ` [PULL 77/94] target/sparc: Move gen_fop_FFF insns " Richard Henderson
2023-10-26  0:15 ` [PULL 78/94] target/sparc: Move gen_fop_DDD " Richard Henderson
2023-10-26  0:15 ` [PULL 79/94] target/sparc: Move gen_fop_QQQ " Richard Henderson
2023-10-26  0:15 ` [PULL 80/94] target/sparc: Move FSMULD " Richard Henderson
2023-10-26  0:15 ` [PULL 81/94] target/sparc: Move FDMULQ " Richard Henderson
2023-11-06 22:02   ` Mark Cave-Ayland
2023-11-07  4:49     ` Richard Henderson
2023-11-07 16:33       ` Mark Cave-Ayland
2023-10-26  0:15 ` [PULL 82/94] target/sparc: Move gen_fop_FD insns " Richard Henderson
2023-10-26  0:15 ` [PULL 83/94] target/sparc: Move FiTOd, FsTOd, FsTOx " Richard Henderson
2023-10-26  0:15 ` [PULL 84/94] target/sparc: Move FqTOs, FqTOi " Richard Henderson
2023-10-26  0:15 ` [PULL 85/94] target/sparc: Move FqTOd, FqTOx " Richard Henderson
2023-10-26  0:15 ` [PULL 86/94] target/sparc: Move FiTOq, FsTOq " Richard Henderson
2023-10-26  0:15 ` [PULL 87/94] target/sparc: Move FdTOq, FxTOq " Richard Henderson
2023-10-26  0:15 ` [PULL 88/94] target/sparc: Move FMOVq, FNEGq, FABSq " Richard Henderson
2023-10-26  0:15 ` [PULL 89/94] target/sparc: Move FMOVR, FMOVcc, FMOVfcc " Richard Henderson
2023-10-26  0:15 ` [PULL 90/94] target/sparc: Convert FCMP, FCMPE " Richard Henderson
2023-10-26  0:15 ` [PULL 91/94] target/sparc: Move FPCMP* " Richard Henderson
2023-10-26  0:15 ` [PULL 92/94] target/sparc: Move FPACK16, FPACKFIX " Richard Henderson
2023-10-26  0:15 ` [PULL 93/94] target/sparc: Convert FZERO, FONE " Richard Henderson
2023-10-26  0:15 ` [PULL 94/94] target/sparc: Remove disas_sparc_legacy Richard Henderson
2023-10-27 10:08 ` [PULL 00/94] target/sparc: Convert to decodetree Stefan Hajnoczi
  -- strict thread matches above, loose matches on Subject: below --
2023-10-25  7:26 [PATCH 00/29] tcg: Introduce TCG_COND_TST{EQ,NE} Richard Henderson
2023-10-25  7:26 ` [PATCH 06/29] tcg/optimize: Handle TCG_COND_TST{EQ,NE} Richard Henderson

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