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From: Mayshao-oc <Mayshao-oc@zhaoxin.com>
To: Richard Biener <richard.guenther@gmail.com>
Cc: "Tim Hu(WH-RD)" <TimHu@zhaoxin.com>,
	Uros Bizjak <ubizjak@gmail.com>,
	"Silvia Zhao(BJ-RD)" <SilviaZhao@zhaoxin.com>,
	"Cobe Chen(BJ-RD)" <CobeChen@zhaoxin.com>,
	"Hawk Wang(BJ-RD)" <HawkWang@zhaoxin.com>,
	"GCC Patches" <gcc-patches@gcc.gnu.org>,
	"Louis Qi(BJ-RD)" <LouisQi@zhaoxin.com>,
	Jan Hubicka <hubicka@ucw.cz>
Subject: Re: [PATCH] [x86_64]: Zhaoxin lujiazui enablement
Date: Tue, 17 May 2022 09:33:56 +0000	[thread overview]
Message-ID: <df03407ccafd436189aa6ae24939e18e@zhaoxin.com> (raw)
In-Reply-To: <CAFiYyc1T9H82j8iHygWHOHMcCMvMKaL2XTF3SWxrE748ZrHQTw@mail.gmail.com>

> On Tue, May 17, 2022 at 5:15 AM mayshao <mayshao-oc@zhaoxin.com> wrote:
>> Hi Uros:
>>         This patch fix Zhaoxin CPU vendor ID detection problem and add zhaoxin "lujiazui" processor support.
>>         Currently gcc can't recognize Zhaoxin CPU(vendor ID "CentaurHauls" and "Shanghai") if user use -march=native option, which is confusing for users.
>>         This patch enables -march=native in zhaoxin family 7th processor and -march/-mtune=lujiazui, costs and tunning are set according to the characteristics of the processor.We add a new md file to describe lujiazui pipeline.
>> Testing:
>> Bootstrap is ok, and no regressions for i386/x86-64 testsuite.
>> Ok for master?
>> Background:
>> Related Zhaoxin linux kernel patch can be found at:
>> https://lore.kernel.org/lkml/01042674b2f741b2aed1f797359bdffb@zhaoxin.com/
>> Related Zhaoxin glibc patch can be found at:
>> https://sourceware.org/git/?p=glibc.git;a=commit;h=32ac0b988466785d6e3cc1dffc364bb26fc63193
>> gcc/ChangeLog:
> The entries below are suspiciously empty - please fill in the details.

Sorry for forgetting this. Update patch. Thanks.

* common/config/i386/cpuinfo.h (get_zhaoxin_cpu): Detect
the specific type of Zhaoxin CPU, and return Zhaoxin CPU name.
(cpu_indicator_init): Handle Zhaoxin processors.
* common/config/i386/i386-common.cc: Add lujiazui.
* common/config/i386/i386-cpuinfo.h (enum processor_vendor): Add
VENDOR_ZHAOXIN.
(enum processor_types): Add ZHAOXIN_FAM7H.
(enum processor_subtypes): Add ZHAOXIN_FAM7H_LUJIAZUI.
* config.gcc: Add lujiazui.
* config/i386/cpuid.h (signature_SHANGHAI_ebx): Add
Signatures for zhaoxin
(signature_SHANGHAI_ecx): Ditto.
(signature_SHANGHAI_edx): Ditto.
* config/i386/driver-i386.cc (host_detect_local_cpu): Let
-march=native recognize lujiazui processors.
* config/i386/i386-c.cc (ix86_target_macros_internal): Add lujiazui.
* config/i386/i386-options.cc (m_LUJIAZUI): New_definition.
* config/i386/i386.h (enum processor_type): Ditto.
* config/i386/i386.md: Add lujiazui.
* config/i386/x86-tune-costs.h (struct processor_costs): Add
lujiazui costs.
* config/i386/x86-tune-sched.cc (ix86_issue_rate): Add lujiazui.
(ix86_adjust_cost): Ditto.
* config/i386/x86-tune.def (X86_TUNE_SCHEDULE): Add lujiazui tunnings.
(X86_TUNE_PARTIAL_REG_DEPENDENCY): Ditto.
(X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY): Ditto.
(X86_TUNE_SSE_PARTIAL_REG_FP_CONVERTS_DEPENDENCY): Ditto.
(X86_TUNE_SSE_PARTIAL_REG_CONVERTS_DEPENDENCY): Ditto.
(X86_TUNE_MOVX): Ditto.
(X86_TUNE_MEMORY_MISMATCH_STALL): Ditto.
(X86_TUNE_FUSE_CMP_AND_BRANCH_32): Ditto.
(X86_TUNE_FUSE_CMP_AND_BRANCH_64): Ditto.
(X86_TUNE_FUSE_CMP_AND_BRANCH_SOFLAGS): Ditto.
(X86_TUNE_FUSE_ALU_AND_BRANCH): Ditto.
(X86_TUNE_ACCUMULATE_OUTGOING_ARGS): Ditto.
(X86_TUNE_USE_LEAVE): Ditto.
(X86_TUNE_PUSH_MEMORY): Ditto.
(X86_TUNE_LCP_STALL): Ditto.
(X86_TUNE_USE_INCDEC): Ditto.
(X86_TUNE_INTEGER_DFMODE_MOVES): Ditto.
(X86_TUNE_OPT_AGU): Ditto.
(X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB): Ditto.
(X86_TUNE_MISALIGNED_MOVE_STRING_PRO_EPILOGUES): Ditto.
(X86_TUNE_USE_SAHF): Ditto.
(X86_TUNE_USE_BT): Ditto.
(X86_TUNE_AVOID_FALSE_DEP_FOR_BMI): Ditto.
(X86_TUNE_ONE_IF_CONV_INSN): Ditto.
(X86_TUNE_AVOID_MFENCE): Ditto.
(X86_TUNE_EXPAND_ABS): Ditto.
(X86_TUNE_USE_SIMODE_FIOP): Ditto.
(X86_TUNE_USE_FFREEP): Ditto.
(X86_TUNE_EXT_80387_CONSTANTS): Ditto.
(X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL): Ditto.
(X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL): Ditto.
(X86_TUNE_SSE_TYPELESS_STORES): Ditto.
(X86_TUNE_SSE_LOAD0_BY_PXOR): Ditto.
* doc/extend.texi: Add details about lujiazui.
* doc/invoke.texi: Add details about lujiazui.
* config/i386/lujiazui.md: Introduce lujiazui cpu and include new md file.

gcc/testsuite/ChangeLog:

* gcc.target/i386/funcspec-56.inc: Test -arch=lujiauzi and -tune=lujiazui.
* g++.target/i386/mv32.C: Ditto.

>>         * common/config/i386/cpuinfo.h (get_zhaoxin_cpu):
>>         (cpu_indicator_init):
>>         * common/config/i386/i386-common.cc:
>>         * common/config/i386/i386-cpuinfo.h (enum processor_vendor):
>>         (enum processor_types):
>>         (enum processor_subtypes):
>>         * config.gcc:
>>         * config/i386/cpuid.h (signature_SHANGHAI_ebx):
>>         (signature_SHANGHAI_ecx):
>>         (signature_SHANGHAI_edx):
>>         * config/i386/driver-i386.cc (host_detect_local_cpu):
>>         * config/i386/i386-c.cc (ix86_target_macros_internal):
>>         * config/i386/i386-options.cc (m_LUJIAZUI):
>>         * config/i386/i386.h (enum processor_type):
>>         * config/i386/i386.md:
>>         * config/i386/x86-tune-costs.h (struct processor_costs):
>>         * config/i386/x86-tune-sched.cc (ix86_issue_rate):
>>         (ix86_adjust_cost):
>>         * config/i386/x86-tune.def (X86_TUNE_SCHEDULE):
>>         (X86_TUNE_PARTIAL_REG_DEPENDENCY):
>>         (X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY):
>>         (X86_TUNE_SSE_PARTIAL_REG_FP_CONVERTS_DEPENDENCY):
>>         (X86_TUNE_SSE_PARTIAL_REG_CONVERTS_DEPENDENCY):
>>         (X86_TUNE_MOVX):
>>         (X86_TUNE_MEMORY_MISMATCH_STALL):
>>         (X86_TUNE_FUSE_CMP_AND_BRANCH_32):
>>         (X86_TUNE_FUSE_CMP_AND_BRANCH_64):
>>         (X86_TUNE_FUSE_CMP_AND_BRANCH_SOFLAGS):
>>         (X86_TUNE_FUSE_ALU_AND_BRANCH):
>>         (X86_TUNE_ACCUMULATE_OUTGOING_ARGS):
>>         (X86_TUNE_USE_LEAVE):
>>         (X86_TUNE_PUSH_MEMORY):
>>         (X86_TUNE_LCP_STALL):
>>         (X86_TUNE_USE_INCDEC):
>>         (X86_TUNE_INTEGER_DFMODE_MOVES):
>>         (X86_TUNE_OPT_AGU):
>>         (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB):
>>         (X86_TUNE_MISALIGNED_MOVE_STRING_PRO_EPILOGUES):
>>         (X86_TUNE_USE_SAHF):
>>         (X86_TUNE_USE_BT):
>>         (X86_TUNE_AVOID_FALSE_DEP_FOR_BMI):
>>         (X86_TUNE_ONE_IF_CONV_INSN):
>>         (X86_TUNE_AVOID_MFENCE):
>>         (X86_TUNE_EXPAND_ABS):
>>         (X86_TUNE_USE_SIMODE_FIOP):
>>         (X86_TUNE_USE_FFREEP):
>>         (X86_TUNE_EXT_80387_CONSTANTS):
>>         (X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL):
>>         (X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL):
>>         (X86_TUNE_SSE_TYPELESS_STORES):
>>         (X86_TUNE_SSE_LOAD0_BY_PXOR):
>>         * doc/extend.texi:
>>         * doc/invoke.texi:
>>         * config/i386/lujiazui.md: New file.
>> gcc/testsuite/ChangeLog:
>>         * gcc.target/i386/funcspec-56.inc:
>>         * g++.target/i386/mv32.C: New test.
>> ---
>>  gcc/common/config/i386/cpuinfo.h              |  54 +-
>>  gcc/common/config/i386/i386-common.cc         |   8 +
>>  gcc/common/config/i386/i386-cpuinfo.h         |   3 +
>>  gcc/config.gcc                                |  10 +-
>>  gcc/config/i386/cpuid.h                       |   4 +
>>  gcc/config/i386/driver-i386.cc                |  20 +-
>>  gcc/config/i386/i386-c.cc                     |   7 +
>>  gcc/config/i386/i386-options.cc               |   3 +
>>  gcc/config/i386/i386.h                        |   1 +
>>  gcc/config/i386/i386.md                       |   5 +-
>>  gcc/config/i386/lujiazui.md                   | 844 ++++++++++++++++++
>>  gcc/config/i386/x86-tune-costs.h              | 115 +++
>>  gcc/config/i386/x86-tune-sched.cc             |   2 +
>>  gcc/config/i386/x86-tune.def                  |  89 +-
>>  gcc/doc/extend.texi                           |   3 +
>>  gcc/doc/invoke.texi                           |   5 +
>>  gcc/testsuite/g++.target/i386/mv32.C          |  31 +
>>  gcc/testsuite/gcc.target/i386/funcspec-56.inc |   2 +
>>  18 files changed, 1159 insertions(+), 47 deletions(-)
>>  create mode 100644 gcc/config/i386/lujiazui.md
>>  create mode 100644 gcc/testsuite/g++.target/i386/mv32.C
>> diff --git a/gcc/common/config/i386/cpuinfo.h b/gcc/common/config/i386/cpuinfo.h
>> index 6d6171f4555..adc02bc3d98 100644
>> --- a/gcc/common/config/i386/cpuinfo.h
>> +++ b/gcc/common/config/i386/cpuinfo.h
>> @@ -526,6 +526,39 @@ get_intel_cpu (struct __processor_model *cpu_model,
>>    return cpu;
>>  }
>> +/* Get the specific type of ZHAOXIN CPU and return ZHAOXIN CPU name.
>> +   Return NULL for unknown ZHAOXIN CPU.  */
>> +
>> +static inline const char *
>> +get_zhaoxin_cpu (struct __processor_model *cpu_model,
>> +               struct __processor_model2 *cpu_model2,
>> +               unsigned int *cpu_features2)
>> +{
>> +  const char *cpu = NULL;
>> +  unsigned int family = cpu_model2->__cpu_family;
>> +  unsigned int model = cpu_model2->__cpu_model;
>> +
>> +  switch (family)
>> +    {
>> +    /* ZHAOXIN family 7h.  */
>> +    case 0x07:
>> +      cpu_model->__cpu_type = ZHAOXIN_FAM7H;
>> +      if (model == 0x3b)
>> +       {
>> +       cpu = "lujiazui";
>> +       CHECK___builtin_cpu_is ("lujiazui");
>> +       cpu_model->__cpu_features[0] &= ~(1U <<(FEATURE_AVX & 31));
>> +       cpu_features2[0] &= ~(1U <<((FEATURE_F16C - 32) & 31));
>> +       cpu_model->__cpu_subtype = ZHAOXIN_FAM7H_LUJIAZUI;
>> +       }
>> +      break;
>> +    default:
>> +      break;
>> +    }
>> +
>> +  return cpu;
>> +}
>> +
>>  /* ECX and EDX are output of CPUID at level one.  */
>>  static inline void
>>  get_available_features (struct __processor_model *cpu_model,
>> @@ -936,8 +969,27 @@ cpu_indicator_init (struct __processor_model *cpu_model,
>>        get_amd_cpu (cpu_model, cpu_model2, cpu_features2);
>>        cpu_model->__cpu_vendor = VENDOR_AMD;
>>      }
>> -  else if (vendor == signature_CENTAUR_ebx)
>> +  else if (vendor == signature_CENTAUR_ebx && family < 0x07)
>>      cpu_model->__cpu_vendor = VENDOR_CENTAUR;
>> +  else if (vendor == signature_SHANGHAI_ebx
>> +               || vendor == signature_CENTAUR_ebx)
>> +    {
>> +      /* Adjust model and family for ZHAOXIN CPUS.  */
>> +      if (family == 0x07)
>> +       {
>> +         model += extended_model;
>> +       }
>> +
>> +      cpu_model2->__cpu_family = family;
>> +      cpu_model2->__cpu_model = model;
>> +
>> +      /* Find available features.  */
>> +      get_available_features (cpu_model, cpu_model2, cpu_features2,
>> +                                 ecx, edx);
>> +      /* Get CPU type.  */
>> +      get_zhaoxin_cpu (cpu_model, cpu_model2,cpu_features2);
>> +      cpu_model->__cpu_vendor = VENDOR_ZHAOXIN;
>> +    }
>>    else if (vendor == signature_CYRIX_ebx)
>>      cpu_model->__cpu_vendor = VENDOR_CYRIX;
>>    else if (vendor == signature_NSC_ebx)
>> diff --git a/gcc/common/config/i386/i386-common.cc b/gcc/common/config/i386/i386-common.cc
>> index 07fdd045f30..cb878163492 100644
>> --- a/gcc/common/config/i386/i386-common.cc
>> +++ b/gcc/common/config/i386/i386-common.cc
>> @@ -1817,6 +1817,7 @@ const char *const processor_names[] =
>>    "alderlake",
>>    "rocketlake",
>>    "intel",
>> +  "lujiazui",
>>    "geode",
>>    "k6",
>>    "athlon",
>> @@ -1995,6 +1996,13 @@ const pta processor_alias_table[] =
>>    {"nano-x4", PROCESSOR_K8, CPU_K8,
>>      PTA_64BIT | PTA_MMX | PTA_SSE | PTA_SSE2 | PTA_SSE3
>>        | PTA_SSSE3 | PTA_SSE4_1 | PTA_FXSR, 0, P_NONE},
>> +  {"lujiazui", PROCESSOR_LUJIAZUI, CPU_LUJIAZUI,
>> +    PTA_64BIT | PTA_MMX | PTA_SSE | PTA_SSE2 | PTA_SSE3
>> +       | PTA_CX16 | PTA_ABM | PTA_SSSE3 | PTA_SSE4_1
>> +       | PTA_SSE4_2 | PTA_AES | PTA_PCLMUL | PTA_BMI | PTA_BMI2
>> +       | PTA_PRFCHW | PTA_FXSR | PTA_XSAVE | PTA_XSAVEOPT | PTA_FSGSBASE
>> +       | PTA_RDRND | PTA_MOVBE | PTA_ADX | PTA_RDSEED | PTA_POPCNT,
>> +       M_CPU_SUBTYPE (ZHAOXIN_FAM7H_LUJIAZUI), P_NONE},
>>    {"k8", PROCESSOR_K8, CPU_K8,
>>      PTA_64BIT | PTA_MMX | PTA_3DNOW | PTA_3DNOW_A | PTA_SSE
>>        | PTA_SSE2 | PTA_NO_SAHF | PTA_FXSR, 0, P_NONE},
>> diff --git a/gcc/common/config/i386/i386-cpuinfo.h b/gcc/common/config/i386/i386-cpuinfo.h
>> index 3f6d2013daf..643fbd97378 100644
>> --- a/gcc/common/config/i386/i386-cpuinfo.h
>> +++ b/gcc/common/config/i386/i386-cpuinfo.h
>> @@ -29,6 +29,7 @@ enum processor_vendor
>>  {
>>    VENDOR_INTEL = 1,
>>    VENDOR_AMD,
>> +  VENDOR_ZHAOXIN,
>>    VENDOR_OTHER,
>>    VENDOR_CENTAUR,
>>    VENDOR_CYRIX,
>> @@ -56,6 +57,7 @@ enum processor_types
>>    INTEL_GOLDMONT_PLUS,
>>    INTEL_TREMONT,
>>    AMDFAM19H,
>> +  ZHAOXIN_FAM7H,
>>    CPU_TYPE_MAX,
>>    BUILTIN_CPU_TYPE_MAX = CPU_TYPE_MAX
>>  };
>> @@ -89,6 +91,7 @@ enum processor_subtypes
>>    INTEL_COREI7_ALDERLAKE,
>>    AMDFAM19H_ZNVER3,
>>    INTEL_COREI7_ROCKETLAKE,
>> +  ZHAOXIN_FAM7H_LUJIAZUI,
>>    CPU_SUBTYPE_MAX
>>  };
>> diff --git a/gcc/config.gcc b/gcc/config.gcc
>> index c5064dd3766..ae8f1c4200f 100644
>> --- a/gcc/config.gcc
>> +++ b/gcc/config.gcc
>> @@ -665,7 +665,7 @@ slm nehalem westmere sandybridge ivybridge haswell broadwell bonnell \
>>  silvermont knl knm skylake-avx512 cannonlake icelake-client icelake-server \
>>  skylake goldmont goldmont-plus tremont cascadelake tigerlake cooperlake \
>>  sapphirerapids alderlake rocketlake eden-x2 nano nano-1000 nano-2000 nano-3000 \
>> -nano-x2 eden-x4 nano-x4 x86-64 x86-64-v2 x86-64-v3 x86-64-v4 native"
>> +nano-x2 eden-x4 nano-x4 lujiazui x86-64 x86-64-v2 x86-64-v3 x86-64-v4 native"
>>  # Additional x86 processors supported by --with-cpu=.  Each processor
>>  # MUST be separated by exactly one space.
>> @@ -3790,6 +3790,10 @@ case ${target} in
>>         cpu=geode
>>         arch_without_sse2=yes
>>         ;;
>> +      lujiazui-*)
>> +       arch=lujiazui
>> +       cpu=lujiazui
>> +       ;;
>>        pentium2-*)
>>         arch=pentium2
>>         cpu=pentium2
>> @@ -3899,6 +3903,10 @@ case ${target} in
>>         arch=k8
>>         cpu=k8
>>         ;;
>> +    lujiazui-*)
>> +       arch=lujiazui
>> +       cpu=lujiazui
>> +       ;;
>>        nocona-*)
>>         arch=nocona
>>         cpu=nocona
>> diff --git a/gcc/config/i386/cpuid.h b/gcc/config/i386/cpuid.h
>> index 8b3dc2b1dde..a4c2fed7eda 100644
>> --- a/gcc/config/i386/cpuid.h
>> +++ b/gcc/config/i386/cpuid.h
>> @@ -204,6 +204,10 @@
>>  #define signature_VORTEX_ecx   0x436f5320
>>  #define signature_VORTEX_edx   0x36387865
>> +#define signature_SHANGHAI_ebx 0x68532020
>> +#define signature_SHANGHAI_ecx 0x20206961
>> +#define signature_SHANGHAI_edx 0x68676e61
>> +
>>  #ifndef __x86_64__
>>  /* At least one cpu (Winchip 2) does not set %ebx and %ecx
>>     for cpuid leaf 1. Forcibly zero the two registers before
>> diff --git a/gcc/config/i386/driver-i386.cc b/gcc/config/i386/driver-i386.cc
>> index 9e0ae0b2baa..3c702fdca33 100644
>> --- a/gcc/config/i386/driver-i386.cc
>> +++ b/gcc/config/i386/driver-i386.cc
>> @@ -438,7 +438,8 @@ const char *host_detect_local_cpu (int argc, const char **argv)
>>           || vendor == VENDOR_CYRIX
>>           || vendor == VENDOR_NSC)
>>         cache = detect_caches_amd (ext_level);
>> -      else if (vendor == VENDOR_INTEL)
>> +      else if (vendor == VENDOR_INTEL
>> +                        || vendor == VENDOR_ZHAOXIN)
>>         {
>>           bool xeon_mp = (family == 15 && model == 6);
>>           cache = detect_caches_intel (xeon_mp, max_level,
>> @@ -518,6 +519,20 @@ const char *host_detect_local_cpu (int argc, const char **argv)
>>             processor = PROCESSOR_I486;
>>         }
>>      }
>> +  else if (vendor == VENDOR_ZHAOXIN)
>> +    {
>> +      processor = PROCESSOR_GENERIC;
>> +
>> +      switch (family)
>> +       {
>> +       case 7:
>> +         if (model == 0x3b)
>> +           processor = PROCESSOR_LUJIAZUI;
>> +         break;
>> +       default:
>> +         break;
>> +       }
>> +    }
>>    else
>>      {
>>        switch (family)
>> @@ -773,6 +788,9 @@ const char *host_detect_local_cpu (int argc, const char **argv)
>>      case PROCESSOR_BTVER2:
>>        cpu = "btver2";
>>        break;
>> +    case PROCESSOR_LUJIAZUI:
>> +      cpu = "lujiazui";
>> +      break;
>>      default:
>>        /* Use something reasonable.  */
>> diff --git a/gcc/config/i386/i386-c.cc b/gcc/config/i386/i386-c.cc
>> index c73c1b1f594..eb0e3b36a76 100644
>> --- a/gcc/config/i386/i386-c.cc
>> +++ b/gcc/config/i386/i386-c.cc
>> @@ -140,6 +140,10 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
>>        def_or_undef (parse_in, "__btver2");
>>        def_or_undef (parse_in, "__btver2__");
>>        break;
>> +    case PROCESSOR_LUJIAZUI:
>> +      def_or_undef (parse_in, "__lujiazui");
>> +      def_or_undef (parse_in, "__lujiazui__");
>> +      break;
>>      case PROCESSOR_PENTIUM4:
>>        def_or_undef (parse_in, "__pentium4");
>>        def_or_undef (parse_in, "__pentium4__");
>> @@ -332,6 +336,9 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
>>      case PROCESSOR_BTVER2:
>>        def_or_undef (parse_in, "__tune_btver2__");
>>         break;
>> +    case PROCESSOR_LUJIAZUI:
>> +      def_or_undef (parse_in, "__tune_lujiazui__");
>> +       break;
>>      case PROCESSOR_PENTIUM4:
>>        def_or_undef (parse_in, "__tune_pentium4__");
>>        break;
>> diff --git a/gcc/config/i386/i386-options.cc b/gcc/config/i386/i386-options.cc
>> index 32cc58a764b..e11f68186f5 100644
>> --- a/gcc/config/i386/i386-options.cc
>> +++ b/gcc/config/i386/i386-options.cc
>> @@ -138,6 +138,8 @@ along with GCC; see the file COPYING3.  If not see
>>  #define m_TREMONT (HOST_WIDE_INT_1U<<PROCESSOR_TREMONT)
>>  #define m_INTEL (HOST_WIDE_INT_1U<<PROCESSOR_INTEL)
>> +#define m_LUJIAZUI (HOST_WIDE_INT_1U<<PROCESSOR_LUJIAZUI)
>> +
>>  #define m_GEODE (HOST_WIDE_INT_1U<<PROCESSOR_GEODE)
>>  #define m_K6 (HOST_WIDE_INT_1U<<PROCESSOR_K6)
>>  #define m_K6_GEODE (m_K6 | m_GEODE)
>> @@ -755,6 +757,7 @@ static const struct processor_costs *processor_cost_table[] =
>>    &alderlake_cost,
>>    &icelake_cost,
>>    &intel_cost,
>> +  &lujiazui_cost,
>>    &geode_cost,
>>    &k6_cost,
>>    &athlon_cost,
>> diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
>> index 363082ba47b..f16df633e84 100644
>> --- a/gcc/config/i386/i386.h
>> +++ b/gcc/config/i386/i386.h
>> @@ -2243,6 +2243,7 @@ enum processor_type
>>    PROCESSOR_ALDERLAKE,
>>    PROCESSOR_ROCKETLAKE,
>>    PROCESSOR_INTEL,
>> +  PROCESSOR_LUJIAZUI,
>>    PROCESSOR_GEODE,
>>    PROCESSOR_K6,
>>    PROCESSOR_ATHLON,
>> diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
>> index 1d7ff256e62..023d7af0736 100644
>> --- a/gcc/config/i386/i386.md
>> +++ b/gcc/config/i386/i386.md
>> @@ -473,8 +473,8 @@
>>  ;; Processor type.
>>  (define_attr "cpu" "none,pentium,pentiumpro,geode,k6,athlon,k8,core2,nehalem,
>> -                   atom,slm,glm,haswell,generic,amdfam10,bdver1,bdver2,bdver3,
>> -                   bdver4,btver2,znver1,znver2,znver3"
>> +                   atom,slm,glm,haswell,generic,lujiazui,amdfam10,bdver1,
>> +                   bdver2,bdver3,bdver4,btver2,znver1,znver2,znver3"
>>    (const (symbol_ref "ix86_schedule")))
>>  ;; A basic instruction type.  Refinements due to arguments to be
>> @@ -1310,6 +1310,7 @@
>>  (include "glm.md")
>>  (include "core2.md")
>>  (include "haswell.md")
>> +(include "lujiazui.md")
>>  ;; Operand and operator predicates and constraints
>> diff --git a/gcc/config/i386/lujiazui.md b/gcc/config/i386/lujiazui.md
>> new file mode 100644
>> index 00000000000..9046c09f283
>> --- /dev/null
>> +++ b/gcc/config/i386/lujiazui.md
>> @@ -0,0 +1,844 @@
>> +;; Copyright (C) 2012-2022 Free Software Foundation, Inc.
>> +;;
>> +;; This file is part of GCC.
>> +;;
>> +;; GCC is free software; you can redistribute it and/or modify
>> +;; it under the terms of the GNU General Public License as published by
>> +;; the Free Software Foundation; either version 3, or (at your option)
>> +;; any later version.
>> +;;
>> +;; GCC is distributed in the hope that it will be useful,
>> +;; but WITHOUT ANY WARRANTY; without even the implied warranty of
>> +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
>> +;; GNU General Public License for more details.
>> +;;
>> +;; You should have received a copy of the GNU General Public License
>> +;; along with GCC; see the file COPYING3.  If not see
>> +;; <http://www.gnu.org/licenses/>.
>> +;;
>> +
>> +;; Scheduling for ZHAOXIN lujiazui processor.
>> +
>> +;; Modeling automatons for decoders, execution pipes and AGU pipes.
>> +(define_automaton "lujiazui_decoder,lujiazui_core,lujiazui_agu")
>> +
>> +;; The rules for the decoder are simple:
>> +;;  - an instruction with 1 uop can be decoded by any of the three
>> +;;    decoders in one cycle.
>> +;;  - an instruction with 2 uops can be decoded by decoder 0 or decoder 1
>> +;;    but still in only one cycle.
>> +;;  - a complex (microcode) instruction can only be decoded by
>> +;;    decoder 0, and this takes an unspecified number of cycles.
>> +;;
>> +;; The goal is to schedule such that we have a few-one-two uops sequence
>> +;; in each cycle, to decode as many instructions per cycle as possible.
>> +(define_cpu_unit "lua_decoder0" "lujiazui_decoder")
>> +(define_cpu_unit "lua_decoder1" "lujiazui_decoder")
>> +(define_cpu_unit "lua_decoder2" "lujiazui_decoder")
>> +
>> +;; We first wish to find an instruction for lua_decoder0, so exclude
>> +;; lua_decoder1 and lua_decoder2 from being reserved until
>> +;; lua_decoder0 is reserved, and also exclude lua_decoder2
>> +;; from being reserved until lua_decoder1 is reserved.
>> +(presence_set "lua_decoder1" "lua_decoder0")
>> +(presence_set "lua_decoder2" "lua_decoder0")
>> +(presence_set "lua_decoder2" "lua_decoder1")
>> +
>> +;; Most instructions can be decoded on any of the three decoders.
>> +(define_reservation "lua_decodern" "lua_decoder0|lua_decoder1|lua_decoder2")
>> +(define_reservation "lua_decoder01" "lua_decoder0|lua_decoder1")
>> +
>> +;; The out-of-order core has six pipelines.
>> +;; Port 4, 5 are responsible for address calculations, load or store.
>> +;; Port 0, 1, 2, 3 for everything else.
>> +
>> +(define_cpu_unit "lua_p0,lua_p1,lua_p2,lua_p3" "lujiazui_core")
>> +(define_cpu_unit "lua_p4,lua_p5" "lujiazui_agu")
>> +
>> +(define_reservation "lua_p03" "lua_p0|lua_p3")
>> +(define_reservation "lua_p12" "lua_p1|lua_p2")
>> +(define_reservation "lua_p1p2" "lua_p1+lua_p2")
>> +(define_reservation "lua_p45" "lua_p4|lua_p5")
>> +(define_reservation "lua_p4p5" "lua_p4+lua_p5")
>> +(define_reservation "lua_p0p1p2p3" "lua_p0+lua_p1+lua_p2+lua_p3")
>> +
>> +;; Only the irregular instructions have to be modeled here.
>> +
>> +;; Complex instruction.
>> +(define_insn_reservation "lua_complex_insn" 6
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (eq_attr "type" "other,multi,str"))
>> +                        "lua_decoder0")
>> +
>> +;; Call instruction.
>> +(define_insn_reservation "lua_call" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (eq_attr "type" "call,callv"))
>> +                        "lua_decoder0,lua_p45,lua_p1")
>> +
>> +;; MOV - integer moves.
>> +(define_insn_reservation "lua_imov" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "imov,imovx")))
>> +                        "lua_decodern,lua_p12")
>> +
>> +(define_insn_reservation "lua_imov_load" 4
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "imov,imovx")))
>> +                        "lua_decoder01,lua_p45")
>> +
>> +(define_insn_reservation "lua_imov_store" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "store")
>> +                                  (eq_attr "type" "imov")))
>> +                        "lua_decodern,lua_p12+lua_p45")
>> +
>> +(define_insn_reservation "lua_icmov" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none,unknown")
>> +                                  (eq_attr "type" "icmov")))
>> +                        "lua_decodern,lua_p2")
>> +
>> +(define_insn_reservation "lua_icmov_load" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "icmov")))
>> +                        "lua_decoder01,lua_p45,lua_p2")
>> +
>> +;; Push and pop.
>> +(define_insn_reservation "lua_push_reg" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "store")
>> +                                  (eq_attr "type" "push")))
>> +                        "lua_decodern,lua_p12+lua_p45")
>> +
>> +(define_insn_reservation "lua_push_mem" 4
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "both")
>> +                                  (eq_attr "type" "push")))
>> +                        "lua_decoder01,lua_p45,lua_p12+lua_p45")
>> +
>> +(define_insn_reservation "lua_pop_reg" 4
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "pop")))
>> +                        "lua_decoder01,lua_p45")
>> +
>> +(define_insn_reservation "lua_pop_mem" 4
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "both")
>> +                                  (eq_attr "type" "pop")))
>> +                        "lua_decoder0,lua_p45,lua_p12+lua_p45")
>> +
>> +(define_insn_reservation "lua_lea" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                                 (eq_attr "type" "lea"))
>> +                        "hsw_decodern,lua_p45")
>> +
>> +(define_insn_reservation "lua_shift_rotate" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none,unknown")
>> +                        (eq_attr "type" "ishift,ishift1,rotate,rotate1")))
>> +                        "lua_decodern,lua_p2")
>> +
>> +(define_insn_reservation "lua_shift_rotate_load" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                        (eq_attr "type" "ishift,ishift1,rotate,rotate1")))
>> +                        "lua_decoder01,lua_p45,lua_p2")
>> +
>> +(define_insn_reservation "lua_shift_rotate_store" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "store")
>> +                        (eq_attr "type" "ishift,ishift1,rotate,rotate1")))
>> +                        "lua_decoder01,lua_p2,lua_p45")
>> +
>> +(define_insn_reservation "lua_shift_rotate_both" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "both")
>> +                        (eq_attr "type" "ishift,ishift1,rotate,rotate1")))
>> +                        "lua_decoder0,lua_p45,lua_p2,lua_p45")
>> +
>> +(define_insn_reservation "lua_branch" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "ibr")))
>> +                        "lua_decodern,lua_p1")
>> +
>> +(define_insn_reservation "lua_indirect_branch_load" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "ibr")))
>> +                        "lua_decodern,lua_p45,lua_p1")
>> +
>> +(define_insn_reservation "lua_leave" 4
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (eq_attr "type" "leave"))
>> +                        "lua_decoder0,lua_p45+lua_p12,lua_p12")
>> +
>> +;; Multiplication instructions.
>> +
>> +(define_insn_reservation "lua_imul_qi" 2
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "QI")
>> +                                       (eq_attr "type" "imul,imulx"))))
>> +                        "lua_decodern,lua_p1p2")
>> +
>> +(define_insn_reservation "lua_imul_qi_mem" 6
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "!none")
>> +                                  (and (eq_attr "mode" "QI")
>> +                                       (eq_attr "type" "imul,imulx"))))
>> +                        "lua_decoder01,lua_p1p2+lua_p45")
>> +
>> +(define_insn_reservation "lua_imul_hisi" 3
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "HI,SI")
>> +                                       (eq_attr "type" "imul,imulx"))))
>> +                        "lua_decoder0,lua_p1p2")
>> +
>> +(define_insn_reservation "lua_imul_hisi_mem" 7
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "!none")
>> +                                  (and (eq_attr "mode" "HI,SI")
>> +                                       (eq_attr "type" "imul,imulx"))))
>> +                        "lua_decoder0,lua_p1p2+lua_p45")
>> +
>> +(define_insn_reservation "lua_imul_di" 12
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "DI")
>> +                                       (eq_attr "type" "imul,imulx"))))
>> +                        "lua_decoder0,lua_p0p1p2p3")
>> +
>> +(define_insn_reservation "lua_imul_di_mem" 16
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "!none")
>> +                                  (and (eq_attr "mode" "DI")
>> +                                       (eq_attr "type" "imul,imulx"))))
>> +                        "lua_decoder0,lua_p0p1p2p3+lua_p45")
>> +
>> +;; Division instructions.
>> +
>> +(define_insn_reservation "lua_idiv_qi" 21
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "QI")
>> +                                       (eq_attr "type" "idiv"))))
>> +                        "lua_decoder0,lua_p0p1p2p3*21")
>> +
>> +(define_insn_reservation "lua_idiv_qi_load" 25
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "QI")
>> +                                       (eq_attr "type" "idiv"))))
>> +                        "lua_decoder0,lua_p45,lua_p0p1p2p3*21")
>> +
>> +(define_insn_reservation "lua_idiv_hi" 22
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "HI")
>> +                                       (eq_attr "type" "idiv"))))
>> +                        "lua_decoder0,lua_p0p1p2p3*22")
>> +
>> +(define_insn_reservation "lua_idiv_hi_load" 26
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "HI")
>> +                                       (eq_attr "type" "idiv"))))
>> +                        "lua_decoder0,lua_p45,lua_p0p1p2p3*22")
>> +
>> +(define_insn_reservation "lua_idiv_si" 20
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "SI")
>> +                                       (eq_attr "type" "idiv"))))
>> +                        "lua_decoder0,lua_p0p1p2p3*20")
>> +
>> +(define_insn_reservation "lua_idiv_si_load" 24
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "SI")
>> +                                       (eq_attr "type" "idiv"))))
>> +                        "lua_decoder0,lua_p45,lua_p0p1p2p3*20")
>> +
>> +(define_insn_reservation "lua_idiv_di" 150
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "DI")
>> +                                       (eq_attr "type" "idiv"))))
>> +                        "lua_decoder0,lua_p0p1p2p3*150")
>> +
>> +(define_insn_reservation "lua_idiv_di_load" 154
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "DI")
>> +                                       (eq_attr "type" "idiv"))))
>> +                        "lua_decoder0,lua_p45,lua_p0p1p2p3*150")
>> +
>> +;; x87 floating point operations.
>> +
>> +(define_insn_reservation "lua_fxch" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (eq_attr "type" "fxch"))
>> +                        "lua_decodern,lua_p1")
>> +
>> +(define_insn_reservation "lua_fop" 3
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none,unknown")
>> +                                  (eq_attr "type" "fop")))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_fop_load" 7
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "fop")))
>> +                        "lua_decoder01,lua_p45,lua_p0")
>> +
>> +(define_insn_reservation "lua_fop_store" 3
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "store")
>> +                                  (eq_attr "type" "fop")))
>> +                        "lua_decodern,lua_p0,lua_p45")
>> +
>> +(define_insn_reservation "lua_fop_both" 7
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "both")
>> +                                  (eq_attr "type" "fop")))
>> +                        "lua_decoder0,lua_p45,lua_p0,lua_p45")
>> +
>> +(define_insn_reservation "lua_fsgn" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (eq_attr "type" "fsgn"))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_fistp" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "fistp")))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_fistp_mem" 4
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "!none")
>> +                                  (eq_attr "type" "fistp")))
>> +                        "lua_decoder0,lua_p0+lua_p45")
>> +
>> +(define_insn_reservation "lua_fcmov" 3
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (eq_attr "type" "fcmov"))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_fcmp" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "fcmp")))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_fcmp_load" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "fcmp")))
>> +                        "lua_decoder01,lua_p45,lua_p0")
>> +
>> +(define_insn_reservation "lua_fmov" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "fmov")))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_fmov_load" 4
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "!XF")
>> +                                       (eq_attr "type" "fmov"))))
>> +                        "lua_decoder01,lua_p45,lua_p0")
>> +
>> +(define_insn_reservation "lua_fmov_XF_load" 3
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "XF")
>> +                                       (eq_attr "type" "fmov"))))
>> +                        "lua_decoder0,lua_p45,lua_p0")
>> +
>> +(define_insn_reservation "lua_fmov_store" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "store")
>> +                                  (and (eq_attr "mode" "!XF")
>> +                                       (eq_attr "type" "fmov"))))
>> +                        "lua_decoder0,lua_p0,lua_p45")
>> +
>> +(define_insn_reservation "lua_fmov_XF_store" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "store")
>> +                                  (and (eq_attr "mode" "XF")
>> +                                       (eq_attr "type" "fmov"))))
>> +                        "lua_decoder0,lua_p0,lua_p45")
>> +
>> +(define_insn_reservation "lua_fmul" 4
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "fmul")))
>> +                        "lua_decodern,lua_p3")
>> +
>> +(define_insn_reservation "lua_fmul_load" 8
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "fp_int_src" "false")
>> +                                  (and (eq_attr "memory" "load")
>> +                                       (eq_attr "type" "fmul"))))
>> +                        "lua_decoder01,lua_p45,lua_p3")
>> +
>> +(define_insn_reservation "lua_fimul_load" 8
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "fp_int_src" "true")
>> +                                  (and (eq_attr "memory" "load")
>> +                                       (eq_attr "type" "fmul"))))
>> +                        "lua_decoder0,lua_p45,lua_p3")
>> +
>> +;; fdiv instructions.
>> +
>> +(define_insn_reservation "lua_fdiv_SF" 15
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "SF")
>> +                                   (eq_attr "type" "fdiv,fpspc"))))
>> +                        "lua_decodern,lua_p0*15")
>> +
>> +(define_insn_reservation "lua_fdiv_SF_load" 19
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "SF")
>> +                                   (eq_attr "type" "fdiv,fpspc"))))
>> +                        "lua_decoder01,lua_p45,lua_p0*15")
>> +
>> +(define_insn_reservation "lua_fdiv_DF" 18
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "DF")
>> +                                   (eq_attr "type" "fdiv,fpspc"))))
>> +                        "lua_decodern,lua_p0*18")
>> +
>> +(define_insn_reservation "lua_fdiv_DF_load" 22
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "DF")
>> +                                   (eq_attr "type" "fdiv,fpspc"))))
>> +                        "lua_decoder01,lua_p45,lua_p0*18")
>> +
>> +(define_insn_reservation "lua_fdiv_XF" 22
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "XF")
>> +                                   (eq_attr "type" "fdiv,fpspc"))))
>> +                        "lua_decoder0,lua_p0*22")
>> +
>> +(define_insn_reservation "lua_fdiv_XF_load" 26
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "XF")
>> +                                   (eq_attr "type" "fdiv,fpspc"))))
>> +                        "lua_decoder0,lua_p45,lua_p0*22")
>> +
>> +;; MMX instructions.
>> +
>> +(define_insn_reservation "lua_mmx_sse_add_shft" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                        (eq_attr "type" "mmxadd,sseiadd,mmxshft,sseishft")))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_mmx_sse_add_shft_load" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                        (eq_attr "type" "mmxadd,sseiadd,mmxshft,sseishft")))
>> +                        "lua_decoder01,lua_p45,lua_p0")
>> +
>> +(define_insn_reservation "lua_mmx_sse_add_shft_store" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "store")
>> +                        (eq_attr "type" "mmxadd,sseiadd,mmxshft,sseishft")))
>> +                        "lua_decodern,lua_p0,lua_p45")
>> +
>> +(define_insn_reservation "lua_mmx_mul" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "mmxmul,sseimul")))
>> +                        "lua_decodern,lua_p3")
>> +
>> +(define_insn_reservation "lua_mmx_mul_load" 9
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "mmxmul,sseimul")))
>> +                        "lua_decoder01,lua_p45,lua_p3")
>> +
>> +(define_insn_reservation "lua_mmxcvt" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "mmxcvt")))
>> +                        "lua_decodern,lua_p03")
>> +
>> +(define_insn_reservation "lua_mmxcvt_load" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "mmxcvt")))
>> +                        "lua_decoder01,lua_p45,lua_p03")
>> +
>> +;; The sfence instruction.
>> +(define_insn_reservation "lua_sse_sfence" 13
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "unknown")
>> +                                  (eq_attr "type" "sse")))
>> +                        "lua_decoder0,lua_p45")
>> +
>> +(define_insn_reservation "lua_sse_SFDF" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "mode" "SF,DF")
>> +                                  (eq_attr "type" "sse")))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_sse_V4SF" 13
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "mode" "V4SF")
>> +                                  (eq_attr "type" "sse")))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_sse_V8SF" 19
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "mode" "V8SF,V4DF")
>> +                                  (eq_attr "type" "sse")))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_sse_add1" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "sseadd1")))
>> +                        "lua_decoder0,lua_p0")
>> +
>> +(define_insn_reservation "lua_sse_add1_load" 8
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "sseadd1")))
>> +                        "lua_decoder0,lua_p45,lua_p0")
>> +
>> +(define_insn_reservation "lua_sse_cmp" 3
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "ssecmp,ssecomi")))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_sse_cmp_load" 7
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "ssecmp,ssecomi")))
>> +                        "lua_decoder01,lua_p45,lua_p0")
>> +
>> +(define_insn_reservation "lua_sse_logic" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "sselog,sselog1")))
>> +                        "lua_decodern,lua_p03")
>> +
>> +(define_insn_reservation "lua_sse_logic_load" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "sselog,sselog1")))
>> +                        "lua_decoder01,lua_p45,lua_p03")
>> +
>> +(define_insn_reservation "lua_sse_add" 3
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "sseadd")))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_sse_add_load" 7
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "sseadd")))
>> +                        "lua_decoder01,lua_p45,lua_p0")
>> +
>> +(define_insn_reservation "lua_ssemul_ss_ps" 3
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "SF,V4SF,V8SF")
>> +                                       (eq_attr "type" "ssemul"))))
>> +                        "lua_decodern,lua_p3")
>> +
>> +(define_insn_reservation "lua_ssemul_ss_ps_load" 7
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "SF,V4SF,V8SF")
>> +                                       (eq_attr "type" "ssemul"))))
>> +                        "lua_decoder01,lua_p45,lua_p3")
>> +
>> +(define_insn_reservation "lua_ssemul_sd_pd" 4
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "DF,V2DF,V4DF")
>> +                                       (eq_attr "type" "ssemul"))))
>> +                        "lua_decodern,lua_p3")
>> +
>> +(define_insn_reservation "lua_ssemul_sd_pd_load" 8
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "DF,V2DF,V4DF")
>> +                                       (eq_attr "type" "ssemul"))))
>> +                        "lua_decoder01,lua_p45,lua_p3")
>> +
>> +(define_insn_reservation "lua_ssediv_SF" 13
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "SF")
>> +                                       (eq_attr "type" "ssediv"))))
>> +                        "lua_decodern,lua_p0*13")
>> +
>> +(define_insn_reservation "lua_ssediv_load_SF" 17
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "SF")
>> +                                       (eq_attr "type" "ssediv"))))
>> +                        "lua_decoder01,lua_p45,lua_p0*13")
>> +
>> +(define_insn_reservation "lua_ssediv_V4SF" 23
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "V4SF")
>> +                                       (eq_attr "type" "ssediv"))))
>> +                        "lua_decodern,lua_p0*23")
>> +
>> +(define_insn_reservation "lua_ssediv_load_V4SF" 27
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "V4SF")
>> +                                       (eq_attr "type" "ssediv"))))
>> +                        "lua_decoder01,lua_p45,lua_p0*23")
>> +
>> +(define_insn_reservation "lua_ssediv_V8SF" 47
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "V8SF")
>> +                                       (eq_attr "type" "ssediv"))))
>> +                        "lua_decoder0,lua_p0*47")
>> +
>> +(define_insn_reservation "lua_ssediv_load_V8SF" 51
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "V8SF")
>> +                                       (eq_attr "type" "ssediv"))))
>> +                        "lua_decoder0,lua_p45,lua_p0*47")
>> +
>> +(define_insn_reservation "lua_ssediv_SD" 17
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "DF")
>> +                                       (eq_attr "type" "ssediv"))))
>> +                        "lua_decodern,lua_p0*17")
>> +
>> +(define_insn_reservation "lua_ssediv_load_SD" 21
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "DF")
>> +                                       (eq_attr "type" "ssediv"))))
>> +                        "lua_decoder01,lua_p45,lua_p0*17")
>> +
>> +(define_insn_reservation "lua_ssediv_V2DF" 30
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "V2DF")
>> +                                       (eq_attr "type" "ssediv"))))
>> +                        "lua_decodern,lua_p0*30")
>> +
>> +(define_insn_reservation "lua_ssediv_load_V2DF" 34
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "V2DF")
>> +                                       (eq_attr "type" "ssediv"))))
>> +                        "lua_decoder01,lua_p45,lua_p0*30")
>> +
>> +(define_insn_reservation "lua_ssediv_V4DF" 56
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "V4DF")
>> +                                       (eq_attr "type" "ssediv"))))
>> +                        "lua_decoder0,lua_p0*56")
>> +
>> +(define_insn_reservation "lua_ssediv_load_V4DF" 60
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "V4DF")
>> +                                       (eq_attr "type" "ssediv"))))
>> +                        "lua_decoder0,lua_p4p5,lua_p0*56")
>> +
>> +
>> +(define_insn_reservation "lua_sseicvt_si" 2
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "SI")
>> +                        (and (match_operand:SF 1 "memory_operand")
>> +                                       (eq_attr "type" "sseicvt")))))
>> +                        "lua_decoder01,lua_p0")
>> +
>> +(define_insn_reservation "lua_sseicvt_si_load" 6
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "SI")
>> +                        (and (match_operand:SF 1 "memory_operand")
>> +                                       (eq_attr "type" "sseicvt")))))
>> +                        "lua_decoder0,lua_p45,lua_p0")
>> +
>> +(define_insn_reservation "lua_sseicvtdf_si" 3
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (and (eq_attr "mode" "SI")
>> +                        (and (match_operand:DF 1 "memory_operand")
>> +                                       (eq_attr "type" "sseicvt")))))
>> +                        "lua_decodern,lua_p0")
>> +
>> +(define_insn_reservation "lua_sseicvtdf_si_load" 7
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (and (eq_attr "mode" "SI")
>> +                        (and (match_operand:DF 1 "memory_operand")
>> +                                       (eq_attr "type" "sseicvt")))))
>> +                        "lua_decoder01,lua_p45,lua_p0")
>> +
>> +(define_insn_reservation "lua_ssecvt" 6
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "ssecvt")))
>> +                        "lua_decoder01,lua_p03")
>> +
>> +(define_insn_reservation "lua_ssecvt_load" 10
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "ssecvt")))
>> +                        "lua_decoder0,lua_p45,lua_p03")
>> +
>> +(define_insn_reservation "lua_sse_mov" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "ssemov")))
>> +                        "lua_decodern,lua_p03")
>> +
>> +(define_insn_reservation "lua_sse_mov_load" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "ssemov")))
>> +                        "lua_decoder01,lua_p45,lua_p03")
>> +
>> +(define_insn_reservation "lua_sse_mov_store" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "store")
>> +                                  (eq_attr "type" "ssemov")))
>> +                        "lua_decoder01,lua_p0,lua_p45")
>> +
>> +(define_insn_reservation "lua_insn_alu" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none,unknown")
>> +                                  (eq_attr "type" "alu")))
>> +                        "lua_decodern,lua_p12")
>> +
>> +(define_insn_reservation "lua_insn_alu_load" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "alu")))
>> +                        "lua_decoder01,lua_p45,lua_p12")
>> +
>> +(define_insn_reservation "lua_insn_alu_store" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "store")
>> +                                  (eq_attr "type" "alu")))
>> +                        "lua_decoder01,lua_p12,lua_p45")
>> +
>> +(define_insn_reservation "lua_insn_alu_both" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "both")
>> +                                  (eq_attr "type" "alu")))
>> +                        "lua_decoder0,lua_p45,lua_p12,lua_p45")
>> +
>> +(define_insn_reservation "lua_insn_alu1" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none,unknown")
>> +                                  (eq_attr "type" "alu1")))
>> +                        "lua_decodern,lua_p12")
>> +
>> +(define_insn_reservation "lua_insn_alu1_load" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "alu1")))
>> +                        "lua_decoder01,lua_p45,lua_p12")
>> +
>> +(define_insn_reservation "lua_insn_alu1_store" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "store")
>> +                                  (eq_attr "type" "alu1")))
>> +                        "lua_decoder01,lua_p12,lua_p45")
>> +
>> +(define_insn_reservation "lua_insn_alu1_both" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "both")
>> +                                  (eq_attr "type" "alu1")))
>> +                        "lua_decoder0,lua_p45,lua_p12,lua_p45")
>> +
>> +(define_insn_reservation "lua_insn_negnot_incdec" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "negnot,incdec")))
>> +                        "lua_decodern,lua_p12")
>> +
>> +(define_insn_reservation "lua_insn_negnot_setcc" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "setcc")))
>> +                        "lua_decodern,lua_p2")
>> +
>> +(define_insn_reservation "lua_insn_negnot_setcc_mem" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "!none")
>> +                                  (eq_attr "type" "negnot,setcc")))
>> +                        "lua_decoder01,lua_p45,lua_p2,lua_p45")
>> +
>> +(define_insn_reservation "lua_insn_incdec_mem" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "!none")
>> +                                  (eq_attr "type" "incdec")))
>> +                        "lua_decoder0,lua_p45,lua_p12,lua_p45")
>> +
>> +(define_insn_reservation "lua_insn_icmptest" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none,unknown")
>> +                                  (eq_attr "type" "icmp,test")))
>> +                        "lua_decodern,lua_p12")
>> +
>> +(define_insn_reservation "lua_insn_icmptest_load" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "icmp,test")))
>> +                        "lua_decoder01,lua_p45,lua_p12")
>> +
>> +(define_insn_reservation "lua_insn_icmptest_store" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "store")
>> +                                  (eq_attr "type" "icmp,test")))
>> +                        "lua_decoder01,lua_p12,lua_p45")
>> +
>> +(define_insn_reservation "lua_insn_icmptest_both" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "both")
>> +                                  (eq_attr "type" "icmp,test")))
>> +                        "lua_decoder0,lua_p45,lua_p12,lua_p45")
>> +
>> +(define_insn_reservation "lua_insn_sseishft1_mmx" 1
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "none")
>> +                                  (eq_attr "type" "sseishft1,mmx,mmxcmp")))
>> +                        "lua_decodern,lua_p03")
>> +
>> +(define_insn_reservation "lua_insn_sseishft1_mmx_mem" 5
>> +                        (and (eq_attr "cpu" "lujiazui")
>> +                             (and (eq_attr "memory" "load")
>> +                                  (eq_attr "type" "sseishft1,mmx,mmxcmp")))
>> +                        "lua_decoder01,lua_p45,lua_p03")
>> diff --git a/gcc/config/i386/x86-tune-costs.h b/gcc/config/i386/x86-tune-costs.h
>> index 017ffa69958..f1e79ffab37 100644
>> --- a/gcc/config/i386/x86-tune-costs.h
>> +++ b/gcc/config/i386/x86-tune-costs.h
>> @@ -3088,6 +3088,121 @@ struct processor_costs intel_cost = {
>>    "16",                                        /* Func alignment.  */
>>  };
>> +/* lujiazui_cost should produce code tuned for ZHAOXIN lujiazui CPU.  */
>> +static stringop_algs lujiazui_memcpy[2] = {
>> +  {libcall, {{32, loop, false}, {8192, rep_prefix_4_byte, false},
>> +                        {-1, libcall, false}}},
>> +  {libcall, {{12, unrolled_loop, true}, {32, loop, false},
>> +                        {6144, rep_prefix_8_byte, false},
>> +                        {-1, libcall, false}}}};
>> +static stringop_algs lujiazui_memset[2] = {
>> +  {libcall, {{32, loop, false}, {8192, rep_prefix_4_byte, false},
>> +                        {-1, libcall, false}}},
>> +  {libcall, {{12, loop, true}, {32, loop, false},
>> +                        {640, rep_prefix_8_byte, false},
>> +                        {-1, libcall, false}}}};
>> +static const
>> +struct processor_costs lujiazui_cost = {
>> +  {
>> +  /* Start of register allocator costs.  integer->integer move cost is 2.  */
>> +  6,                           /* cost for loading QImode using movzbl.  */
>> +  {6, 6, 6},                   /* cost of loading integer registers
>> +                                          in QImode, HImode and SImode.
>> +                                          Relative to reg-reg move (2).  */
>> +  {6, 6, 6},                   /* cost of storing integer registers.  */
>> +  2,                                   /* cost of reg,reg fld/fst.  */
>> +  {6, 6, 8},                   /* cost of loading fp registers
>> +                               in SFmode, DFmode and XFmode.  */
>> +  {6, 6, 8},                   /* cost of storing fp registers
>> +                               in SFmode, DFmode and XFmode.  */
>> +  2,                           /* cost of moving MMX register.  */
>> +  {6, 6},                      /* cost of loading MMX registers
>> +                               in SImode and DImode.  */
>> +  {6, 6},                      /* cost of storing MMX registers
>> +                               in SImode and DImode.  */
>> +  2, 3, 4,                     /* cost of moving XMM,YMM,ZMM register.  */
>> +  {6, 6, 6, 10, 15},   /* cost of loading SSE registers
>> +                               in 32,64,128,256 and 512-bit.  */
>> +  {6, 6, 6, 10, 15},   /* cost of storing SSE registers
>> +                               in 32,64,128,256 and 512-bit.  */
>> +  6, 6,                                /* SSE->integer and integer->SSE moves.  */
>> +  6, 6,                                /* mask->integer and integer->mask moves.  */
>> +  {6, 6, 6},           /* cost of loading mask register
>> +                               in QImode, HImode, SImode.  */
>> +  {6, 6, 6},           /* cost if storing mask register
>> +                               in QImode, HImode, SImode.  */
>> +  2,                           /* cost of moving mask register.  */
>> +  /* End of register allocator costs.  */
>> +  },
>> +
>> +  COSTS_N_INSNS (1),                   /* cost of an add instruction.  */
>> +  COSTS_N_INSNS (1) + 1,               /* cost of a lea instruction.  */
>> +  COSTS_N_INSNS (1),                   /* variable shift costs.  */
>> +  COSTS_N_INSNS (1),                   /* constant shift costs.  */
>> +  {COSTS_N_INSNS (2),                  /* cost of starting multiply for QI.  */
>> +   COSTS_N_INSNS (3),                  /*                               HI.  */
>> +   COSTS_N_INSNS (3),                  /*                               SI.  */
>> +   COSTS_N_INSNS (12),                 /*                               DI.  */
>> +   COSTS_N_INSNS (14)},                /*                               other.  */
>> +  0,                           /* cost of multiply per each bit set.  */
>> +  {COSTS_N_INSNS (22),                 /* cost of a divide/mod for QI.  */
>> +   COSTS_N_INSNS (24),                 /*                          HI.  */
>> +   COSTS_N_INSNS (24),                 /*                          SI.  */
>> +   COSTS_N_INSNS (150),                        /*                          DI.  */
>> +   COSTS_N_INSNS (152)},               /*                          other.  */
>> +  COSTS_N_INSNS (1),                   /* cost of movsx.  */
>> +  COSTS_N_INSNS (1),                   /* cost of movzx.  */
>> +  8,                                   /* "large" insn.  */
>> +  17,                                  /* MOVE_RATIO.  */
>> +  6,                                   /* CLEAR_RATIO.  */
>> +  {6, 6, 6},                           /* cost of loading integer registers
>> +                                          in QImode, HImode and SImode.
>> +                                          Relative to reg-reg move (2).  */
>> +  {6, 6, 6},                   /* cost of storing integer registers.  */
>> +  {6, 6, 6, 10, 15},                   /* cost of loading SSE register
>> +                               in 32bit, 64bit, 128bit, 256bit and 512bit.  */
>> +  {6, 6, 6, 10, 15},                   /* cost of storing SSE register
>> +                               in 32bit, 64bit, 128bit, 256bit and 512bit.  */
>> +  {6, 6, 6, 10, 15},                   /* cost of unaligned loads.  */
>> +  {6, 6, 6, 10, 15},                   /* cost of unaligned storess.  */
>> +  2, 3, 4,                     /* cost of moving XMM,YMM,ZMM register.  */
>> +  6,                           /* cost of moving SSE register to integer.  */
>> +  18, 6,                               /* Gather load static, per_elt.  */
>> +  18, 6,                               /* Gather store static, per_elt.  */
>> +  32,                                  /* size of l1 cache.  */
>> +  4096,                                        /* size of l2 cache.  */
>> +  64,                                  /* size of prefetch block.  */
>> +  /* Lujiazui processor never drop prefetches, like AMD processors.  */
>> +  100,                                 /* number of parallel prefetches.  */
>> +  3,                                   /* Branch cost.  */
>> +  COSTS_N_INSNS (3),                   /* cost of FADD and FSUB insns.  */
>> +  COSTS_N_INSNS (4),                   /* cost of FMUL instruction.  */
>> +  COSTS_N_INSNS (22),                  /* cost of FDIV instruction.  */
>> +  COSTS_N_INSNS (1),                   /* cost of FABS instruction.  */
>> +  COSTS_N_INSNS (1),                   /* cost of FCHS instruction.  */
>> +  COSTS_N_INSNS (44),                  /* cost of FSQRT instruction.  */
>> +
>> +  COSTS_N_INSNS (1),                   /* cost of cheap SSE instruction.  */
>> +  COSTS_N_INSNS (3),                   /* cost of ADDSS/SD SUBSS/SD insns.  */
>> +  COSTS_N_INSNS (3),                   /* cost of MULSS instruction.  */
>> +  COSTS_N_INSNS (4),                   /* cost of MULSD instruction.  */
>> +  COSTS_N_INSNS (6),                   /* cost of FMA SS instruction.  */
>> +  COSTS_N_INSNS (6),                   /* cost of FMA SD instruction.  */
>> +  COSTS_N_INSNS (13),                  /* cost of DIVSS instruction.  */
>> +  COSTS_N_INSNS (17),                  /* cost of DIVSD instruction.  */
>> +  COSTS_N_INSNS (32),                  /* cost of SQRTSS instruction.  */
>> +  COSTS_N_INSNS (60),                  /* cost of SQRTSD instruction.  */
>> +  1, 4, 3, 3,                          /* reassoc int, fp, vec_int, vec_fp.  */
>> +  lujiazui_memcpy,
>> +  lujiazui_memset,
>> +  COSTS_N_INSNS (4),                   /* cond_taken_branch_cost.  */
>> +  COSTS_N_INSNS (2),                   /* cond_not_taken_branch_cost.  */
>> +  "16:11:8",                           /* Loop alignment.  */
>> +  "16:11:8",                           /* Jump alignment.  */
>> +  "0:0:8",                             /* Label alignment.  */
>> +  "16",                                        /* Func alignment.  */
>> +};
>> +
>>  /* Generic should produce code tuned for Core-i7 (and newer chips)
>>     and btver1 (and newer chips).  */
>> diff --git a/gcc/config/i386/x86-tune-sched.cc b/gcc/config/i386/x86-tune-sched.cc
>> index e413d046783..1ffaeef037c 100644
>> --- a/gcc/config/i386/x86-tune-sched.cc
>> +++ b/gcc/config/i386/x86-tune-sched.cc
>> @@ -58,6 +58,7 @@ ix86_issue_rate (void)
>>      case PROCESSOR_K8:
>>      case PROCESSOR_AMDFAM10:
>>      case PROCESSOR_BTVER1:
>> +    case PROCESSOR_LUJIAZUI:
>>        return 3;
>>      case PROCESSOR_BDVER1:
>> @@ -368,6 +369,7 @@ ix86_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, int cost,
>>      case PROCESSOR_ATHLON:
>>      case PROCESSOR_K8:
>> +    case PROCESSOR_LUJIAZUI:
>>        memory = get_attr_memory (insn);
>>        /* Show ability of reorder buffer to hide latency of load by executing
>> diff --git a/gcc/config/i386/x86-tune.def b/gcc/config/i386/x86-tune.def
>> index d983e2f6213..540e45d02f9 100644
>> --- a/gcc/config/i386/x86-tune.def
>> +++ b/gcc/config/i386/x86-tune.def
>> @@ -41,8 +41,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
>>  /* X86_TUNE_SCHEDULE: Enable scheduling.  */
>>  DEF_TUNE (X86_TUNE_SCHEDULE, "schedule",
>>            m_PENT | m_LAKEMONT | m_PPRO | m_CORE_ALL | m_BONNELL | m_SILVERMONT
>> -         | m_INTEL | m_KNL | m_KNM | m_K6_GEODE | m_AMD_MULTIPLE | m_GOLDMONT
>> -         | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>> +         | m_INTEL | m_KNL | m_KNM | m_K6_GEODE | m_AMD_MULTIPLE | m_LUJIAZUI
>> +     | m_GOLDMONT | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>>  /* X86_TUNE_PARTIAL_REG_DEPENDENCY: Enable more register renaming
>>     on modern chips.  Prefer stores affecting whole integer register
>> @@ -51,8 +51,8 @@ DEF_TUNE (X86_TUNE_SCHEDULE, "schedule",
>>  DEF_TUNE (X86_TUNE_PARTIAL_REG_DEPENDENCY, "partial_reg_dependency",
>>            m_P4_NOCONA | m_CORE2 | m_NEHALEM  | m_SANDYBRIDGE | m_CORE_AVX2
>>           | m_BONNELL | m_SILVERMONT | m_GOLDMONT | m_GOLDMONT_PLUS | m_INTEL
>> -         | m_KNL | m_KNM | m_AMD_MULTIPLE | m_TREMONT | m_ALDERLAKE
>> -         | m_GENERIC)
>> +         | m_KNL | m_KNM | m_AMD_MULTIPLE | m_LUJIAZUI | m_TREMONT
>> +         | m_ALDERLAKE | m_GENERIC)
>>  /* X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY: This knob promotes all store
>>     destinations to be 128bit to allow register renaming on 128bit SSE units,
>> @@ -62,7 +62,8 @@ DEF_TUNE (X86_TUNE_PARTIAL_REG_DEPENDENCY, "partial_reg_dependency",
>>     that can be partly masked by careful scheduling of moves.  */
>>  DEF_TUNE (X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY, "sse_partial_reg_dependency",
>>            m_PPRO | m_P4_NOCONA | m_CORE_ALL | m_BONNELL | m_AMDFAM10
>> -         | m_BDVER | m_ZNVER | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>> +         | m_BDVER | m_ZNVER | m_LUJIAZUI | m_TREMONT | m_ALDERLAKE
>> +         | m_GENERIC)
>>  /* X86_TUNE_SSE_PARTIAL_REG_FP_CONVERTS_DEPENDENCY: This knob avoids
>>     partial write to the destination in scalar SSE conversion from FP
>> @@ -70,14 +71,14 @@ DEF_TUNE (X86_TUNE_SSE_PARTIAL_REG_DEPENDENCY, "sse_partial_reg_dependency",
>>  DEF_TUNE (X86_TUNE_SSE_PARTIAL_REG_FP_CONVERTS_DEPENDENCY,
>>           "sse_partial_reg_fp_converts_dependency",
>>           m_PPRO | m_P4_NOCONA | m_CORE_ALL | m_BONNELL | m_AMDFAM10
>> -         | m_BDVER | m_ZNVER | m_ALDERLAKE | m_GENERIC)
>> +         | m_BDVER | m_ZNVER | m_LUJIAZUI | m_ALDERLAKE | m_GENERIC)
>>  /* X86_TUNE_SSE_PARTIAL_REG_CONVERTS_DEPENDENCY: This knob avoids partial
>>     write to the destination in scalar SSE conversion from integer to FP.  */
>>  DEF_TUNE (X86_TUNE_SSE_PARTIAL_REG_CONVERTS_DEPENDENCY,
>>           "sse_partial_reg_converts_dependency",
>>           m_PPRO | m_P4_NOCONA | m_CORE_ALL | m_BONNELL | m_AMDFAM10
>> -         | m_BDVER | m_ZNVER | m_ALDERLAKE | m_GENERIC)
>> +         | m_BDVER | m_ZNVER | m_LUJIAZUI | m_ALDERLAKE | m_GENERIC)
>>  /* X86_TUNE_DEST_FALSE_DEP_FOR_GLC: This knob inserts zero-idiom before
>>     several insns to break false dependency on the dest register for GLC
>> @@ -108,7 +109,7 @@ DEF_TUNE (X86_TUNE_PARTIAL_FLAG_REG_STALL, "partial_flag_reg_stall",
>>  DEF_TUNE (X86_TUNE_MOVX, "movx",
>>            m_PPRO | m_P4_NOCONA | m_CORE2 | m_NEHALEM  | m_SANDYBRIDGE
>>           | m_BONNELL | m_SILVERMONT | m_GOLDMONT | m_KNL | m_KNM | m_INTEL
>> -         | m_GOLDMONT_PLUS | m_GEODE | m_AMD_MULTIPLE
>> +         | m_GOLDMONT_PLUS | m_GEODE | m_AMD_MULTIPLE | m_LUJIAZUI
>>           | m_CORE_AVX2 | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>>  /* X86_TUNE_MEMORY_MISMATCH_STALL: Avoid partial stores that are followed by
>> @@ -116,31 +117,31 @@ DEF_TUNE (X86_TUNE_MOVX, "movx",
>>  DEF_TUNE (X86_TUNE_MEMORY_MISMATCH_STALL, "memory_mismatch_stall",
>>            m_P4_NOCONA | m_CORE_ALL | m_BONNELL | m_SILVERMONT | m_INTEL
>>           | m_KNL | m_KNM | m_GOLDMONT | m_GOLDMONT_PLUS | m_AMD_MULTIPLE
>> -         | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>> +         | m_LUJIAZUI | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>>  /* X86_TUNE_FUSE_CMP_AND_BRANCH_32: Fuse compare with a subsequent
>>     conditional jump instruction for 32 bit TARGET.  */
>>  DEF_TUNE (X86_TUNE_FUSE_CMP_AND_BRANCH_32, "fuse_cmp_and_branch_32",
>> -         m_CORE_ALL | m_BDVER | m_ZNVER | m_GENERIC)
>> +         m_CORE_ALL | m_BDVER | m_ZNVER | m_LUJIAZUI | m_GENERIC)
>>  /* X86_TUNE_FUSE_CMP_AND_BRANCH_64: Fuse compare with a subsequent
>>     conditional jump instruction for TARGET_64BIT.  */
>>  DEF_TUNE (X86_TUNE_FUSE_CMP_AND_BRANCH_64, "fuse_cmp_and_branch_64",
>>           m_NEHALEM | m_SANDYBRIDGE | m_CORE_AVX2 | m_BDVER
>> -         | m_ZNVER | m_GENERIC)
>> +         | m_ZNVER | m_LUJIAZUI | m_GENERIC)
>>  /* X86_TUNE_FUSE_CMP_AND_BRANCH_SOFLAGS: Fuse compare with a
>>     subsequent conditional jump instruction when the condition jump
>>     check sign flag (SF) or overflow flag (OF).  */
>>  DEF_TUNE (X86_TUNE_FUSE_CMP_AND_BRANCH_SOFLAGS, "fuse_cmp_and_branch_soflags",
>>           m_NEHALEM | m_SANDYBRIDGE | m_CORE_AVX2 | m_BDVER
>> -         | m_ZNVER | m_GENERIC)
>> +         | m_ZNVER | m_LUJIAZUI | m_GENERIC)
>>  /* X86_TUNE_FUSE_ALU_AND_BRANCH: Fuse alu with a subsequent conditional
>>     jump instruction when the alu instruction produces the CCFLAG consumed by
>>     the conditional jump instruction. */
>>  DEF_TUNE (X86_TUNE_FUSE_ALU_AND_BRANCH, "fuse_alu_and_branch",
>> -          m_SANDYBRIDGE | m_CORE_AVX2 | m_GENERIC)
>> +                 m_SANDYBRIDGE | m_CORE_AVX2 | m_LUJIAZUI | m_GENERIC)
>>  /*****************************************************************************/
>> @@ -157,7 +158,7 @@ DEF_TUNE (X86_TUNE_FUSE_ALU_AND_BRANCH, "fuse_alu_and_branch",
>>  DEF_TUNE (X86_TUNE_ACCUMULATE_OUTGOING_ARGS, "accumulate_outgoing_args",
>>           m_PPRO | m_P4_NOCONA | m_BONNELL | m_SILVERMONT | m_KNL | m_KNM | m_INTEL
>> -         | m_GOLDMONT | m_GOLDMONT_PLUS | m_ATHLON_K8)
>> +         | m_GOLDMONT | m_GOLDMONT_PLUS | m_ATHLON_K8 | m_LUJIAZUI)
>>  /* X86_TUNE_PROLOGUE_USING_MOVE: Do not use push/pop in prologues that are
>>     considered on critical path.  */
>> @@ -171,15 +172,15 @@ DEF_TUNE (X86_TUNE_EPILOGUE_USING_MOVE, "epilogue_using_move",
>>  /* X86_TUNE_USE_LEAVE: Use "leave" instruction in epilogues where it fits.  */
>>  DEF_TUNE (X86_TUNE_USE_LEAVE, "use_leave",
>> -         m_386 | m_CORE_ALL | m_K6_GEODE | m_AMD_MULTIPLE | m_TREMONT
>> -         | m_ALDERLAKE | m_GENERIC)
>> +         m_386 | m_CORE_ALL | m_K6_GEODE | m_AMD_MULTIPLE | m_LUJIAZUI
>> +         | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>>  /* X86_TUNE_PUSH_MEMORY: Enable generation of "push mem" instructions.
>>     Some chips, like 486 and Pentium works faster with separate load
>>     and push instructions.  */
>>  DEF_TUNE (X86_TUNE_PUSH_MEMORY, "push_memory",
>>            m_386 | m_P4_NOCONA | m_CORE_ALL | m_K6_GEODE | m_AMD_MULTIPLE
>> -         | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>> +         | m_LUJIAZUI | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>>  /* X86_TUNE_SINGLE_PUSH: Enable if single push insn is preferred
>>     over esp subtraction.  */
>> @@ -234,7 +235,7 @@ DEF_TUNE (X86_TUNE_SOFTWARE_PREFETCHING_BENEFICIAL, "software_prefetching_benefi
>>  /* X86_TUNE_LCP_STALL: Avoid an expensive length-changing prefix stall
>>     on 16-bit immediate moves into memory on Core2 and Corei7.  */
>> -DEF_TUNE (X86_TUNE_LCP_STALL, "lcp_stall", m_CORE_ALL | m_GENERIC)
>> +DEF_TUNE (X86_TUNE_LCP_STALL, "lcp_stall", m_CORE_ALL | m_LUJIAZUI | m_GENERIC)
>>  /* X86_TUNE_READ_MODIFY: Enable use of read-modify instructions such
>>     as "add mem, reg".  */
>> @@ -249,19 +250,20 @@ DEF_TUNE (X86_TUNE_READ_MODIFY, "read_modify", ~(m_PENT | m_LAKEMONT | m_PPRO))
>>  DEF_TUNE (X86_TUNE_USE_INCDEC, "use_incdec",
>>            ~(m_P4_NOCONA | m_CORE2 | m_NEHALEM  | m_SANDYBRIDGE
>>             | m_BONNELL | m_SILVERMONT | m_INTEL |  m_KNL | m_KNM | m_GOLDMONT
>> -           | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE | m_GENERIC))
>> +           | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE | m_LUJIAZUI
>> +           | m_GENERIC))
>>  /* X86_TUNE_INTEGER_DFMODE_MOVES: Enable if integer moves are preferred
>>     for DFmode copies */
>>  DEF_TUNE (X86_TUNE_INTEGER_DFMODE_MOVES, "integer_dfmode_moves",
>>            ~(m_PPRO | m_P4_NOCONA | m_CORE_ALL | m_BONNELL | m_SILVERMONT
>> -           | m_KNL | m_KNM | m_INTEL | m_GEODE | m_AMD_MULTIPLE | m_GOLDMONT
>> -           | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE | m_GENERIC))
>> +           | m_KNL | m_KNM | m_INTEL | m_GEODE | m_AMD_MULTIPLE | m_LUJIAZUI
>> +           | m_GOLDMONT | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE | m_GENERIC))
>>  /* X86_TUNE_OPT_AGU: Optimize for Address Generation Unit. This flag
>>     will impact LEA instruction selection. */
>>  DEF_TUNE (X86_TUNE_OPT_AGU, "opt_agu", m_BONNELL | m_SILVERMONT | m_KNL
>> -        | m_KNM | m_GOLDMONT | m_GOLDMONT_PLUS | m_INTEL)
>> +        | m_KNM | m_GOLDMONT | m_GOLDMONT_PLUS | m_INTEL | m_LUJIAZUI)
>>  /* X86_TUNE_AVOID_LEA_FOR_ADDR: Avoid lea for address computation.  */
>>  DEF_TUNE (X86_TUNE_AVOID_LEA_FOR_ADDR, "avoid_lea_for_addr",
>> @@ -294,7 +296,7 @@ DEF_TUNE (X86_TUNE_SINGLE_STRINGOP, "single_stringop", m_386 | m_P4_NOCONA)
>>     move/set sequences of bytes with known size.  */
>>  DEF_TUNE (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB,
>>           "prefer_known_rep_movsb_stosb",
>> -         m_SKYLAKE | m_ALDERLAKE | m_TREMONT | m_CORE_AVX512)
>> +         m_SKYLAKE | m_ALDERLAKE | m_TREMONT | m_CORE_AVX512 | m_LUJIAZUI)
>>  /* X86_TUNE_MISALIGNED_MOVE_STRING_PRO_EPILOGUES: Enable generation of
>>     compact prologues and epilogues by issuing a misaligned moves.  This
>> @@ -303,15 +305,15 @@ DEF_TUNE (X86_TUNE_PREFER_KNOWN_REP_MOVSB_STOSB,
>>     FIXME: This may actualy be a win on more targets than listed here.  */
>>  DEF_TUNE (X86_TUNE_MISALIGNED_MOVE_STRING_PRO_EPILOGUES,
>>           "misaligned_move_string_pro_epilogues",
>> -         m_386 | m_486 | m_CORE_ALL | m_AMD_MULTIPLE | m_TREMONT
>> +         m_386 | m_486 | m_CORE_ALL | m_AMD_MULTIPLE | m_LUJIAZUI | m_TREMONT
>>           | m_ALDERLAKE | m_GENERIC)
>>  /* X86_TUNE_USE_SAHF: Controls use of SAHF.  */
>>  DEF_TUNE (X86_TUNE_USE_SAHF, "use_sahf",
>>            m_PPRO | m_P4_NOCONA | m_CORE_ALL | m_BONNELL | m_SILVERMONT
>>           | m_KNL | m_KNM | m_INTEL | m_K6_GEODE | m_K8 | m_AMDFAM10 | m_BDVER
>> -         | m_BTVER | m_ZNVER | m_GOLDMONT | m_GOLDMONT_PLUS | m_TREMONT
>> -         | m_ALDERLAKE | m_GENERIC)
>> +         | m_BTVER | m_ZNVER | m_LUJIAZUI | m_GOLDMONT | m_GOLDMONT_PLUS
>> +         | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>>  /* X86_TUNE_USE_CLTD: Controls use of CLTD and CTQO instructions.  */
>>  DEF_TUNE (X86_TUNE_USE_CLTD, "use_cltd",
>> @@ -321,13 +323,14 @@ DEF_TUNE (X86_TUNE_USE_CLTD, "use_cltd",
>>  /* X86_TUNE_USE_BT: Enable use of BT (bit test) instructions.  */
>>  DEF_TUNE (X86_TUNE_USE_BT, "use_bt",
>>            m_CORE_ALL | m_BONNELL | m_SILVERMONT | m_KNL | m_KNM | m_INTEL
>> -         | m_LAKEMONT | m_AMD_MULTIPLE | m_GOLDMONT | m_GOLDMONT_PLUS
>> -         | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>> +         | m_LAKEMONT | m_AMD_MULTIPLE | m_LUJIAZUI | m_GOLDMONT
>> +         | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>>  /* X86_TUNE_AVOID_FALSE_DEP_FOR_BMI: Avoid false dependency
>>     for bit-manipulation instructions.  */
>>  DEF_TUNE (X86_TUNE_AVOID_FALSE_DEP_FOR_BMI, "avoid_false_dep_for_bmi",
>> -         m_SANDYBRIDGE | m_CORE_AVX2 | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>> +         m_SANDYBRIDGE | m_CORE_AVX2 | m_TREMONT | m_ALDERLAKE | m_LUJIAZUI
>> +     | m_GENERIC)
>>  /* X86_TUNE_ADJUST_UNROLL: This enables adjusting the unroll factor based
>>     on hardware capabilities. Bdver3 hardware has a loop buffer which makes
>> @@ -339,18 +342,19 @@ DEF_TUNE (X86_TUNE_ADJUST_UNROLL, "adjust_unroll_factor", m_BDVER3 | m_BDVER4)
>>     if-converted sequence to one.  */
>>  DEF_TUNE (X86_TUNE_ONE_IF_CONV_INSN, "one_if_conv_insn",
>>           m_SILVERMONT | m_KNL | m_KNM | m_INTEL | m_CORE_ALL | m_GOLDMONT
>> -         | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>> +         | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE | m_LUJIAZUI | m_GENERIC)
>>  /* X86_TUNE_AVOID_MFENCE: Use lock prefixed instructions instead of mfence.  */
>>  DEF_TUNE (X86_TUNE_AVOID_MFENCE, "avoid_mfence",
>> -        m_CORE_ALL | m_BDVER | m_ZNVER | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>> +        m_CORE_ALL | m_BDVER | m_ZNVER | m_LUJIAZUI | m_TREMONT | m_ALDERLAKE
>> +    | m_GENERIC)
>>  /* X86_TUNE_EXPAND_ABS: This enables a new abs pattern by
>>     generating instructions for abs (x) = (((signed) x >> (W-1) ^ x) -
>>     (signed) x >> (W-1)) instead of cmove or SSE max/abs instructions.  */
>>  DEF_TUNE (X86_TUNE_EXPAND_ABS, "expand_abs",
>>           m_CORE_ALL | m_SILVERMONT | m_KNL | m_KNM | m_GOLDMONT
>> -         | m_GOLDMONT_PLUS)
>> +         | m_GOLDMONT_PLUS | m_LUJIAZUI)
>>  /*****************************************************************************/
>>  /* 387 instruction selection tuning                                          */
>> @@ -367,17 +371,17 @@ DEF_TUNE (X86_TUNE_USE_HIMODE_FIOP, "use_himode_fiop",
>>  DEF_TUNE (X86_TUNE_USE_SIMODE_FIOP, "use_simode_fiop",
>>            ~(m_PENT | m_LAKEMONT | m_PPRO | m_CORE_ALL | m_BONNELL
>>             | m_SILVERMONT | m_KNL | m_KNM | m_INTEL | m_AMD_MULTIPLE
>> -           | m_GOLDMONT | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE
>> -           | m_GENERIC))
>> +           | m_LUJIAZUI | m_GOLDMONT | m_GOLDMONT_PLUS | m_TREMONT
>> +           | m_ALDERLAKE | m_GENERIC))
>>  /* X86_TUNE_USE_FFREEP: Use freep instruction instead of fstp.  */
>> -DEF_TUNE (X86_TUNE_USE_FFREEP, "use_ffreep", m_AMD_MULTIPLE)
>> +DEF_TUNE (X86_TUNE_USE_FFREEP, "use_ffreep", m_AMD_MULTIPLE | m_LUJIAZUI)
>>  /* X86_TUNE_EXT_80387_CONSTANTS: Use fancy 80387 constants, such as PI.  */
>>  DEF_TUNE (X86_TUNE_EXT_80387_CONSTANTS, "ext_80387_constants",
>>            m_PPRO | m_P4_NOCONA | m_CORE_ALL | m_BONNELL | m_SILVERMONT
>> -         | m_KNL | m_KNM | m_INTEL | m_K6_GEODE | m_ATHLON_K8 | m_GOLDMONT
>> -         | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>> +         | m_KNL | m_KNM | m_INTEL | m_K6_GEODE | m_ATHLON_K8 | m_LUJIAZUI
>> +         | m_GOLDMONT | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>>  /*****************************************************************************/
>>  /* SSE instruction selection tuning                                          */
>> @@ -393,14 +397,14 @@ DEF_TUNE (X86_TUNE_GENERAL_REGS_SSE_SPILL, "general_regs_sse_spill",
>>  DEF_TUNE (X86_TUNE_SSE_UNALIGNED_LOAD_OPTIMAL, "sse_unaligned_load_optimal",
>>           m_NEHALEM | m_SANDYBRIDGE | m_CORE_AVX2 | m_SILVERMONT | m_KNL | m_KNM
>>           | m_INTEL | m_GOLDMONT | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE
>> -         | m_AMDFAM10 | m_BDVER | m_BTVER | m_ZNVER | m_GENERIC)
>> +         | m_AMDFAM10 | m_BDVER | m_BTVER | m_ZNVER | m_LUJIAZUI | m_GENERIC)
>>  /* X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL: Use movups for misaligned stores
>>     instead of a sequence loading registers by parts.  */
>>  DEF_TUNE (X86_TUNE_SSE_UNALIGNED_STORE_OPTIMAL, "sse_unaligned_store_optimal",
>>           m_NEHALEM | m_SANDYBRIDGE | m_CORE_AVX2 | m_SILVERMONT | m_KNL | m_KNM
>> -         | m_INTEL | m_GOLDMONT | m_GOLDMONT_PLUS
>> -         | m_TREMONT | m_ALDERLAKE | m_BDVER | m_ZNVER | m_GENERIC)
>> +         | m_INTEL | m_GOLDMONT | m_GOLDMONT_PLUS | m_TREMONT | m_ALDERLAKE
>> +         | m_BDVER | m_ZNVER | m_LUJIAZUI | m_GENERIC)
>>  /* X86_TUNE_SSE_PACKED_SINGLE_INSN_OPTIMAL: Use packed single
>>     precision 128bit instructions instead of double where possible.   */
>> @@ -409,13 +413,14 @@ DEF_TUNE (X86_TUNE_SSE_PACKED_SINGLE_INSN_OPTIMAL, "sse_packed_single_insn_optim
>>  /* X86_TUNE_SSE_TYPELESS_STORES: Always movaps/movups for 128bit stores.   */
>>  DEF_TUNE (X86_TUNE_SSE_TYPELESS_STORES, "sse_typeless_stores",
>> -         m_AMD_MULTIPLE | m_CORE_ALL | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>> +         m_AMD_MULTIPLE | m_LUJIAZUI | m_CORE_ALL | m_TREMONT | m_ALDERLAKE
>> +         | m_GENERIC)
>>  /* X86_TUNE_SSE_LOAD0_BY_PXOR: Always use pxor to load0 as opposed to
>>     xorps/xorpd and other variants.  */
>>  DEF_TUNE (X86_TUNE_SSE_LOAD0_BY_PXOR, "sse_load0_by_pxor",
>>           m_PPRO | m_P4_NOCONA | m_CORE_ALL | m_BDVER | m_BTVER | m_ZNVER
>> -         | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>> +         | m_LUJIAZUI | m_TREMONT | m_ALDERLAKE | m_GENERIC)
>>  /* X86_TUNE_INTER_UNIT_MOVES_TO_VEC: Enable moves in from integer
>>     to SSE registers.  If disabled, the moves will be done by storing
>> diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
>> index 84e6f6694ab..a2e2a303ff1 100644
>> --- a/gcc/doc/extend.texi
>> +++ b/gcc/doc/extend.texi
>> @@ -21840,6 +21840,9 @@ Intel Knights Landing CPU.
>>  @item knm
>>  Intel Knights Mill CPU.
>> +@item lujiazui
>> +ZHAOXIN lujiazui CPU.
>> +
>>  @item amdfam10h
>>  AMD Family 10h CPU.
>> diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
>> index e8e6d4e039b..3bc5b51bc3e 100644
>> --- a/gcc/doc/invoke.texi
>> +++ b/gcc/doc/invoke.texi
>> @@ -31793,6 +31793,11 @@ VIA Nano Quad Core CPU with x86-64, MMX, SSE, SSE2, SSE3, SSSE3 and SSE4.1
>>  instruction set support.
>>  (No scheduling is implemented for this chip.)
>> +@item lujiazui
>> +ZHAOXIN lujiazui CPU with x86-64, MOVBE, MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1,
>> +SSE4.2, AVX, POPCNT, AES, PCLMUL, RDRND, XSAVE, XSAVEOPT, FSGSBASE, CX16,
>> +ABM, BMI, BMI2, F16C, FXSR, RDSEED instruction set support.
>> +
>>  @item geode
>>  AMD Geode embedded processor with MMX and 3DNow!@: instruction set support.
>>  @end table
>> diff --git a/gcc/testsuite/g++.target/i386/mv32.C b/gcc/testsuite/g++.target/i386/mv32.C
>> new file mode 100644
>> index 00000000000..8f74352eb50
>> --- /dev/null
>> +++ b/gcc/testsuite/g++.target/i386/mv32.C
>> @@ -0,0 +1,31 @@
>> +// Test that dispatching can choose the right multiversion
>> +// for ZHAOXIN CPU with the same internal GCC processor id
>> +
>> +// { dg-do run }
>> +// { dg-require-ifunc "" }
>> +// { dg-options "-O2" }
>> +
>> +#include <assert.h>
>> +
>> +int __attribute__ ((target("default")))
>> +foo ()
>> +{
>> +  return 0;
>> +}
>> +
>> +int __attribute__ ((target("arch=lujiazui"))) foo () {
>> +  return 1;
>> +}
>> +
>> +
>> +int main ()
>> +{
>> +  int val = foo ();
>> +
>> +  if (__builtin_cpu_is ("lujiazui"))
>> +    assert (val == 1);
>> +  else
>> +    assert (val == 0);
>> +
>> +  return 0;
>> +}
>> diff --git a/gcc/testsuite/gcc.target/i386/funcspec-56.inc b/gcc/testsuite/gcc.target/i386/funcspec-56.inc
>> index 8499fdf2db9..b76dddb86a2 100644
>> --- a/gcc/testsuite/gcc.target/i386/funcspec-56.inc
>> +++ b/gcc/testsuite/gcc.target/i386/funcspec-56.inc
>> @@ -184,6 +184,7 @@ extern void test_arch_cooperlake (void)         __attribute__((__target__("arch=
>>  extern void test_arch_sapphirerapids (void)    __attribute__((__target__("arch=sapphirerapids")));
>>  extern void test_arch_alderlake (void)          __attribute__((__target__("arch=alderlake")));
>>  extern void test_arch_rocketlake (void)         __attribute__((__target__("arch=rocketlake")));
>> +extern void test_arch_lujiazui (void)                  __attribute__((__target__("arch=lujiazui")));
>>  extern void test_arch_k8 (void)                        __attribute__((__target__("arch=k8")));
>>  extern void test_arch_k8_sse3 (void)           __attribute__((__target__("arch=k8-sse3")));
>>  extern void test_arch_opteron (void)           __attribute__((__target__("arch=opteron")));
>> @@ -205,6 +206,7 @@ extern void test_tune_core2 (void)          __attribute__((__target__("tune=core2")));
>>  extern void test_tune_corei7 (void)            __attribute__((__target__("tune=corei7")));
>>  extern void test_tune_corei7_avx (void)                __attribute__((__target__("tune=corei7-avx")));
>>  extern void test_tune_core_avx2 (void)         __attribute__((__target__("tune=core-avx2")));
>> +extern void test_tune_lujiazui (void)                  __attribute__((__target__("tune=lujiazui")));
>>  extern void test_tune_k8 (void)                        __attribute__((__target__("tune=k8")));
>>  extern void test_tune_k8_sse3 (void)           __attribute__((__target__("tune=k8-sse3")));
>>  extern void test_tune_opteron (void)           __attribute__((__target__("tune=opteron")));
>> --
>> 2.25.1

BR

Mayshao

  reply	other threads:[~2022-05-17  9:34 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-17  3:15 mayshao
2022-05-17  6:23 ` Richard Biener
2022-05-17  9:33   ` Mayshao-oc [this message]
2022-05-22 16:41     ` Uros Bizjak
2022-05-23 10:44       ` Mayshao-oc
  -- strict thread matches above, loose matches on Subject: below --
2022-03-25  2:08 [PATCH] [x86_64] " MayShao
2022-03-27  9:15 ` Uros Bizjak
2022-03-28  7:25   ` Mayshao-oc
2022-10-25  4:38     ` Martin Liška
2022-10-26  9:06       ` Mayshao-oc
2022-10-26 10:46         ` Martin Liška
2022-10-27  9:09           ` Mayshao-oc
2022-10-27  9:11             ` Martin Liška

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