Enable support for next generation AMD Zen CPU, via -march=znver2.
gcc/ChangeLog:
* common/config/i386/i386-common.c (processor_alias_table): Add znver2 entry.
* config.gcc (i[34567]86-*-linux* | ...): Add znver2.
(case ${target}): Add znver2.
* config/i386/driver-i386.c: (host_detect_local_cpu): Let
-march=native recognize znver2 processors.
* config/i386/i386-c.c (ix86_target_macros_internal): Add znver2.
* config/i386/i386.c (m_znver2): New definition.
(m_ZNVER): New definition.
(m_AMD_MULTIPLE): Includes m_znver2.
(processor_cost_table): Add znver2 entry.
(processor_target_table): Add znver2 entry.
(get_builtin_code_for_version): Set priority for
PROCESSOR_ZNVER2.
(processor_model): Add M_AMDFAM17H_ZNVER2.
(arch_names_table): Ditto.
(ix86_reassociation_width): Include znver2.
* config/i386/i386.h (TARGET_znver2): New definition.
(struct ix86_size_cost): Add TARGET_ZNVER2.
(enum processor_type): Add PROCESSOR_ZNVER2.
* config/i386/i386.md (define_attr "cpu"): Add znver2.
* config/i386/x86-tune-costs.h: (processor_costs) Add znver2 costs.
* config/i386/x86-tune-sched.c: (ix86_issue_rate): Add znver2.
(ix86_adjust_cost): Add znver2.
* config/i386/x86-tune.def: Replace m_ZNVER1 by m_ZNVER
* gcc/doc/extend.texi: Add details about znver2.
* gcc/doc/invoke.texi: Add details about znver2.
libgcc/ChangeLog
* config/i386/cpuinfo.c: (get_amd_cpu): Add znver2.
* config/i386/cpuinfo.h(processor_subtypes): Ditto.
From-SVN: r265775
This commit is contained in:
Venkataramanan Kumar
parent
45bf149026
commit
2901f42f4b
16 changed files with 241 additions and 21 deletions
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@ -1,3 +1,33 @@
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2018-11-04 Venkataramanan Kumar <venkataramanan.kumar@amd.com>
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* common/config/i386/i386-common.c (processor_alias_table): Add
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znver2 entry.
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* config.gcc (i[34567]86-*-linux* | ...): Add znver2.
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(case ${target}): Add znver2.
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* config/i386/driver-i386.c: (host_detect_local_cpu): Let
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-march=native recognize znver2 processors.
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* config/i386/i386-c.c (ix86_target_macros_internal): Add znver2.
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* config/i386/i386.c (m_znver2): New definition.
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(m_ZNVER): New definition.
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(m_AMD_MULTIPLE): Includes m_znver2.
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(processor_cost_table): Add znver2 entry.
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(processor_target_table): Add znver2 entry.
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(get_builtin_code_for_version): Set priority for
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PROCESSOR_ZNVER2.
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(processor_model): Add M_AMDFAM17H_ZNVER2.
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(arch_names_table): Ditto.
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(ix86_reassociation_width): Include znver2.
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* config/i386/i386.h (TARGET_znver2): New definition.
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(struct ix86_size_cost): Add TARGET_ZNVER2.
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(enum processor_type): Add PROCESSOR_ZNVER2.
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* config/i386/i386.md (define_attr "cpu"): Add znver2.
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* config/i386/x86-tune-costs.h: (processor_costs) Add znver2 costs.
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* config/i386/x86-tune-sched.c: (ix86_issue_rate): Add znver2.
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(ix86_adjust_cost): Add znver2.
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* config/i386/x86-tune.def: Replace m_ZNVER1 by m_ZNVER.
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* gcc/doc/extend.texi: Add details about znver2.
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* gcc/doc/invoke.texi: Add details about znver2.
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2018-11-03 Sandra Loosemore <sandra@codesourcery.com>
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PR target/87079
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@ -1677,6 +1677,16 @@ const pta processor_alias_table[] =
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| PTA_RDRND | PTA_MOVBE | PTA_MWAITX | PTA_ADX | PTA_RDSEED
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| PTA_CLZERO | PTA_CLFLUSHOPT | PTA_XSAVEC | PTA_XSAVES
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| PTA_SHA | PTA_LZCNT | PTA_POPCNT},
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{"znver2", PROCESSOR_ZNVER2, CPU_ZNVER1,
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PTA_64BIT | PTA_MMX | PTA_SSE | PTA_SSE2 | PTA_SSE3
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| PTA_SSE4A | PTA_CX16 | PTA_ABM | PTA_SSSE3 | PTA_SSE4_1
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| PTA_SSE4_2 | PTA_AES | PTA_PCLMUL | PTA_AVX | PTA_AVX2
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| PTA_BMI | PTA_BMI2 | PTA_F16C | PTA_FMA | PTA_PRFCHW
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| PTA_FXSR | PTA_XSAVE | PTA_XSAVEOPT | PTA_FSGSBASE
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| PTA_RDRND | PTA_MOVBE | PTA_MWAITX | PTA_ADX | PTA_RDSEED
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| PTA_CLZERO | PTA_CLFLUSHOPT | PTA_XSAVEC | PTA_XSAVES
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| PTA_SHA | PTA_LZCNT | PTA_POPCNT | PTA_CLWB | PTA_RDPID
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| PTA_WBNOINVD},
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{"btver1", PROCESSOR_BTVER1, CPU_GENERIC,
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PTA_64BIT | PTA_MMX | PTA_SSE | PTA_SSE2 | PTA_SSE3
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| PTA_SSSE3 | PTA_SSE4A |PTA_ABM | PTA_CX16 | PTA_PRFCHW
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@ -664,11 +664,11 @@ pentium4 pentium4m pentiumpro prescott lakemont"
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# 64-bit x86 processors supported by --with-arch=. Each processor
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# MUST be separated by exactly one space.
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x86_64_archs="amdfam10 athlon64 athlon64-sse3 barcelona bdver1 bdver2 \
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bdver3 bdver4 znver1 btver1 btver2 k8 k8-sse3 opteron opteron-sse3 nocona \
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core2 corei7 corei7-avx core-avx-i core-avx2 atom slm nehalem westmere \
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sandybridge ivybridge haswell broadwell bonnell silvermont knl knm \
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skylake-avx512 cannonlake icelake-client icelake-server skylake goldmont \
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goldmont-plus tremont x86-64 native"
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bdver3 bdver4 znver1 znver2 btver1 btver2 k8 k8-sse3 opteron \
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opteron-sse3 nocona core2 corei7 corei7-avx core-avx-i core-avx2 atom \
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slm nehalem westmere sandybridge ivybridge haswell broadwell bonnell \
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silvermont knl knm skylake-avx512 cannonlake icelake-client icelake-server \
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skylake goldmont goldmont-plus tremont x86-64 native"
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# Additional x86 processors supported by --with-cpu=. Each processor
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# MUST be separated by exactly one space.
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@ -3337,6 +3337,10 @@ case ${target} in
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arch=znver1
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cpu=znver1
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;;
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znver2-*)
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arch=znver2
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cpu=znver2
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;;
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bdver4-*)
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arch=bdver4
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cpu=bdver4
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@ -3454,6 +3458,10 @@ case ${target} in
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arch=znver1
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cpu=znver1
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;;
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znver2-*)
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arch=znver2
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cpu=znver2
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;;
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bdver4-*)
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arch=bdver4
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cpu=bdver4
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@ -649,6 +649,8 @@ const char *host_detect_local_cpu (int argc, const char **argv)
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processor = PROCESSOR_GEODE;
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else if (has_movbe && family == 22)
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processor = PROCESSOR_BTVER2;
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else if (has_clwb)
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processor = PROCESSOR_ZNVER2;
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else if (has_clzero)
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processor = PROCESSOR_ZNVER1;
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else if (has_avx2)
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@ -1012,6 +1014,9 @@ const char *host_detect_local_cpu (int argc, const char **argv)
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case PROCESSOR_ZNVER1:
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cpu = "znver1";
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break;
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case PROCESSOR_ZNVER2:
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cpu = "znver2";
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break;
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case PROCESSOR_BTVER1:
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cpu = "btver1";
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break;
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@ -124,6 +124,10 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
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def_or_undef (parse_in, "__znver1");
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def_or_undef (parse_in, "__znver1__");
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break;
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case PROCESSOR_ZNVER2:
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def_or_undef (parse_in, "__znver2");
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def_or_undef (parse_in, "__znver2__");
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break;
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case PROCESSOR_BTVER1:
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def_or_undef (parse_in, "__btver1");
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def_or_undef (parse_in, "__btver1__");
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@ -288,6 +292,9 @@ ix86_target_macros_internal (HOST_WIDE_INT isa_flag,
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case PROCESSOR_ZNVER1:
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def_or_undef (parse_in, "__tune_znver1__");
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break;
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case PROCESSOR_ZNVER2:
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def_or_undef (parse_in, "__tune_znver2__");
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break;
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case PROCESSOR_BTVER1:
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def_or_undef (parse_in, "__tune_btver1__");
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break;
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@ -169,12 +169,14 @@ const struct processor_costs *ix86_cost = NULL;
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#define m_BDVER3 (HOST_WIDE_INT_1U<<PROCESSOR_BDVER3)
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#define m_BDVER4 (HOST_WIDE_INT_1U<<PROCESSOR_BDVER4)
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#define m_ZNVER1 (HOST_WIDE_INT_1U<<PROCESSOR_ZNVER1)
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#define m_ZNVER2 (HOST_WIDE_INT_1U<<PROCESSOR_ZNVER2)
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#define m_BTVER1 (HOST_WIDE_INT_1U<<PROCESSOR_BTVER1)
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#define m_BTVER2 (HOST_WIDE_INT_1U<<PROCESSOR_BTVER2)
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#define m_BDVER (m_BDVER1 | m_BDVER2 | m_BDVER3 | m_BDVER4)
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#define m_BTVER (m_BTVER1 | m_BTVER2)
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#define m_ZNVER (m_ZNVER1 | m_ZNVER2)
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#define m_AMD_MULTIPLE (m_ATHLON_K8 | m_AMDFAM10 | m_BDVER | m_BTVER \
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| m_ZNVER1)
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| m_ZNVER)
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#define m_GENERIC (HOST_WIDE_INT_1U<<PROCESSOR_GENERIC)
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@ -868,6 +870,7 @@ static const struct processor_costs *processor_cost_table[PROCESSOR_max] =
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&btver1_cost,
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&btver2_cost,
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&znver1_cost,
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&znver2_cost
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};
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static unsigned int
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@ -31601,6 +31604,10 @@ get_builtin_code_for_version (tree decl, tree *predicate_list)
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arg_str = "znver1";
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priority = P_PROC_AVX2;
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break;
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case PROCESSOR_ZNVER2:
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arg_str = "znver2";
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priority = P_PROC_AVX2;
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break;
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}
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}
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@ -32276,7 +32283,8 @@ fold_builtin_cpu (tree fndecl, tree *args)
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M_INTEL_COREI7_SKYLAKE_AVX512,
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M_INTEL_COREI7_CANNONLAKE,
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M_INTEL_COREI7_ICELAKE_CLIENT,
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M_INTEL_COREI7_ICELAKE_SERVER
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M_INTEL_COREI7_ICELAKE_SERVER,
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M_AMDFAM17H_ZNVER2
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};
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static struct _arch_names_table
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@ -32323,6 +32331,7 @@ fold_builtin_cpu (tree fndecl, tree *args)
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{"btver2", M_AMD_BTVER2},
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{"amdfam17h", M_AMDFAM17H},
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{"znver1", M_AMDFAM17H_ZNVER1},
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{"znver2", M_AMDFAM17H_ZNVER2},
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};
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static struct _isa_names_table
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@ -49200,8 +49209,8 @@ ix86_reassociation_width (unsigned int op, machine_mode mode)
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/* Integer vector instructions execute in FP unit
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and can execute 3 additions and one multiplication per cycle. */
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if (ix86_tune == PROCESSOR_ZNVER1 && INTEGRAL_MODE_P (mode)
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&& op != PLUS && op != MINUS)
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if ((ix86_tune == PROCESSOR_ZNVER1 || ix86_tune == PROCESSOR_ZNVER2)
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&& INTEGRAL_MODE_P (mode) && op != PLUS && op != MINUS)
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return 1;
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/* Account for targets that splits wide vectors into multiple parts. */
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@ -415,6 +415,7 @@ extern const struct processor_costs ix86_size_cost;
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#define TARGET_BTVER1 (ix86_tune == PROCESSOR_BTVER1)
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#define TARGET_BTVER2 (ix86_tune == PROCESSOR_BTVER2)
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#define TARGET_ZNVER1 (ix86_tune == PROCESSOR_ZNVER1)
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#define TARGET_ZNVER2 (ix86_tune == PROCESSOR_ZNVER2)
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/* Feature tests against the various tunings. */
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enum ix86_tune_indices {
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@ -2272,6 +2273,7 @@ enum processor_type
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PROCESSOR_BTVER1,
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PROCESSOR_BTVER2,
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PROCESSOR_ZNVER1,
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PROCESSOR_ZNVER2,
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PROCESSOR_max
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};
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@ -430,7 +430,7 @@
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;; Processor type.
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(define_attr "cpu" "none,pentium,pentiumpro,geode,k6,athlon,k8,core2,nehalem,
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atom,slm,glm,haswell,generic,amdfam10,bdver1,bdver2,bdver3,
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bdver4,btver2,znver1"
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bdver4,btver2,znver1,znver2"
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(const (symbol_ref "ix86_schedule")))
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;; A basic instruction type. Refinements due to arguments to be
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@ -1273,6 +1273,133 @@ struct processor_costs znver1_cost = {
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"16", /* Func alignment. */
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};
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/* ZNVER2 has optimized REP instruction for medium sized blocks, but for
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very small blocks it is better to use loop. For large blocks, libcall
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can do nontemporary accesses and beat inline considerably. */
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static stringop_algs znver2_memcpy[2] = {
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{libcall, {{6, loop, false}, {14, unrolled_loop, false},
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{-1, rep_prefix_4_byte, false}}},
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{libcall, {{16, loop, false}, {8192, rep_prefix_8_byte, false},
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{-1, libcall, false}}}};
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static stringop_algs znver2_memset[2] = {
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{libcall, {{8, loop, false}, {24, unrolled_loop, false},
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{2048, rep_prefix_4_byte, false}, {-1, libcall, false}}},
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{libcall, {{48, unrolled_loop, false}, {8192, rep_prefix_8_byte, false},
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{-1, libcall, false}}}};
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struct processor_costs znver2_cost = {
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COSTS_N_INSNS (1), /* cost of an add instruction. */
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COSTS_N_INSNS (1), /* cost of a lea instruction. */
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COSTS_N_INSNS (1), /* variable shift costs. */
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COSTS_N_INSNS (1), /* constant shift costs. */
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{COSTS_N_INSNS (3), /* cost of starting multiply for QI. */
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COSTS_N_INSNS (3), /* HI. */
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COSTS_N_INSNS (3), /* SI. */
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COSTS_N_INSNS (3), /* DI. */
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COSTS_N_INSNS (3)}, /* other. */
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0, /* cost of multiply per each bit
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set. */
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/* Depending on parameters, idiv can get faster on ryzen. This is upper
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bound. */
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{COSTS_N_INSNS (16), /* cost of a divide/mod for QI. */
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COSTS_N_INSNS (22), /* HI. */
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COSTS_N_INSNS (30), /* SI. */
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COSTS_N_INSNS (45), /* DI. */
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COSTS_N_INSNS (45)}, /* other. */
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COSTS_N_INSNS (1), /* cost of movsx. */
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COSTS_N_INSNS (1), /* cost of movzx. */
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8, /* "large" insn. */
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9, /* MOVE_RATIO. */
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/* All move costs are relative to integer->integer move times 2 and thus
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they are latency*2. */
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/* reg-reg moves are done by renaming and thus they are even cheaper than
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1 cycle. Because reg-reg move cost is 2 and following tables correspond
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to doubles of latencies, we do not model this correctly. It does not
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seem to make practical difference to bump prices up even more. */
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6, /* cost for loading QImode using
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movzbl. */
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{6, 6, 6}, /* cost of loading integer registers
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in QImode, HImode and SImode.
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Relative to reg-reg move (2). */
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{8, 8, 8}, /* cost of storing integer
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registers. */
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2, /* cost of reg,reg fld/fst. */
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{6, 6, 16}, /* cost of loading fp registers
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in SFmode, DFmode and XFmode. */
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{8, 8, 16}, /* cost of storing fp registers
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in SFmode, DFmode and XFmode. */
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2, /* cost of moving MMX register. */
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{6, 6}, /* cost of loading MMX registers
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in SImode and DImode. */
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{8, 8}, /* cost of storing MMX registers
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in SImode and DImode. */
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2, 3, 6, /* cost of moving XMM,YMM,ZMM
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register. */
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{6, 6, 6, 10, 20}, /* cost of loading SSE registers
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in 32,64,128,256 and 512-bit. */
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{6, 6, 6, 10, 20}, /* cost of unaligned loads. */
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{8, 8, 8, 8, 16}, /* cost of storing SSE registers
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in 32,64,128,256 and 512-bit. */
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{8, 8, 8, 8, 16}, /* cost of unaligned stores. */
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6, 6, /* SSE->integer and integer->SSE
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moves. */
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/* VGATHERDPD is 23 uops and throughput is 9, VGATHERDPD is 35 uops,
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throughput 12. Approx 9 uops do not depend on vector size and every load
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is 7 uops. */
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18, 8, /* Gather load static, per_elt. */
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18, 10, /* Gather store static, per_elt. */
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32, /* size of l1 cache. */
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512, /* size of l2 cache. */
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64, /* size of prefetch block. */
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/* New AMD processors never drop prefetches; if they cannot be performed
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immediately, they are queued. We set number of simultaneous prefetches
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to a large constant to reflect this (it probably is not a good idea not
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to limit number of prefetches at all, as their execution also takes some
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time). */
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100, /* number of parallel prefetches. */
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3, /* Branch cost. */
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COSTS_N_INSNS (5), /* cost of FADD and FSUB insns. */
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COSTS_N_INSNS (5), /* cost of FMUL instruction. */
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/* Latency of fdiv is 8-15. */
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COSTS_N_INSNS (15), /* cost of FDIV instruction. */
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COSTS_N_INSNS (1), /* cost of FABS instruction. */
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COSTS_N_INSNS (1), /* cost of FCHS instruction. */
|
||||
/* Latency of fsqrt is 4-10. */
|
||||
COSTS_N_INSNS (10), /* 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 (5), /* cost of FMA SS instruction. */
|
||||
COSTS_N_INSNS (5), /* cost of FMA SD instruction. */
|
||||
COSTS_N_INSNS (10), /* cost of DIVSS instruction. */
|
||||
/* 9-13. */
|
||||
COSTS_N_INSNS (13), /* cost of DIVSD instruction. */
|
||||
COSTS_N_INSNS (10), /* cost of SQRTSS instruction. */
|
||||
COSTS_N_INSNS (15), /* cost of SQRTSD instruction. */
|
||||
/* Zen can execute 4 integer operations per cycle. FP operations
|
||||
take 3 cycles and it can execute 2 integer additions and 2
|
||||
multiplications thus reassociation may make sense up to with of 6.
|
||||
SPEC2k6 bencharks suggests
|
||||
that 4 works better than 6 probably due to register pressure.
|
||||
|
||||
Integer vector operations are taken by FP unit and execute 3 vector
|
||||
plus/minus operations per cycle but only one multiply. This is adjusted
|
||||
in ix86_reassociation_width. */
|
||||
4, 4, 3, 6, /* reassoc int, fp, vec_int, vec_fp. */
|
||||
znver2_memcpy,
|
||||
znver2_memset,
|
||||
COSTS_N_INSNS (4), /* cond_taken_branch_cost. */
|
||||
COSTS_N_INSNS (2), /* cond_not_taken_branch_cost. */
|
||||
"16", /* Loop alignment. */
|
||||
"16", /* Jump alignment. */
|
||||
"0:0:8", /* Label alignment. */
|
||||
"16", /* Func alignment. */
|
||||
};
|
||||
|
||||
/* skylake_cost should produce code tuned for Skylake familly of CPUs. */
|
||||
static stringop_algs skylake_memcpy[2] = {
|
||||
{libcall, {{1024, rep_prefix_4_byte, true}, {-1, libcall, false}}},
|
||||
|
|
|
|||
|
|
@ -64,6 +64,7 @@ ix86_issue_rate (void)
|
|||
case PROCESSOR_BDVER3:
|
||||
case PROCESSOR_BDVER4:
|
||||
case PROCESSOR_ZNVER1:
|
||||
case PROCESSOR_ZNVER2:
|
||||
case PROCESSOR_CORE2:
|
||||
case PROCESSOR_NEHALEM:
|
||||
case PROCESSOR_SANDYBRIDGE:
|
||||
|
|
@ -393,6 +394,7 @@ ix86_adjust_cost (rtx_insn *insn, int dep_type, rtx_insn *dep_insn, int cost,
|
|||
break;
|
||||
|
||||
case PROCESSOR_ZNVER1:
|
||||
case PROCESSOR_ZNVER2:
|
||||
/* Stack engine allows to execute push&pop instructions in parall. */
|
||||
if ((insn_type == TYPE_PUSH || insn_type == TYPE_POP)
|
||||
&& (dep_insn_type == TYPE_PUSH || dep_insn_type == TYPE_POP))
|
||||
|
|
|
|||
|
|
@ -62,7 +62,7 @@ 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_ZNVER1 | m_GENERIC)
|
||||
| m_BDVER | m_ZNVER | m_GENERIC)
|
||||
|
||||
/* X86_TUNE_SSE_SPLIT_REGS: Set for machines where the type and dependencies
|
||||
are resolved on SSE register parts instead of whole registers, so we may
|
||||
|
|
@ -100,18 +100,20 @@ DEF_TUNE (X86_TUNE_MEMORY_MISMATCH_STALL, "memory_mismatch_stall",
|
|||
/* 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_ZNVER1 | m_GENERIC)
|
||||
m_CORE_ALL | m_BDVER | m_ZNVER | 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_ZNVER1 | m_GENERIC)
|
||||
m_NEHALEM | m_SANDYBRIDGE | m_CORE_AVX2 | m_BDVER
|
||||
| m_ZNVER | 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_ZNVER1 | m_GENERIC)
|
||||
m_NEHALEM | m_SANDYBRIDGE | m_CORE_AVX2 | m_BDVER
|
||||
| m_ZNVER | 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
|
||||
|
|
@ -280,7 +282,7 @@ DEF_TUNE (X86_TUNE_MISALIGNED_MOVE_STRING_PRO_EPILOGUES,
|
|||
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_ZNVER1 | m_GOLDMONT | m_GOLDMONT_PLUS | m_TREMONT
|
||||
| m_BTVER | m_ZNVER | m_GOLDMONT | m_GOLDMONT_PLUS | m_TREMONT
|
||||
| m_GENERIC)
|
||||
|
||||
/* X86_TUNE_USE_CLTD: Controls use of CLTD and CTQO instructions. */
|
||||
|
|
@ -351,19 +353,19 @@ 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_AMDFAM10 | m_BDVER | m_BTVER | m_ZNVER1 | m_GENERIC)
|
||||
| m_TREMONT | m_AMDFAM10 | m_BDVER | m_BTVER | m_ZNVER | 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_BDVER | m_ZNVER1 | m_GENERIC)
|
||||
| m_TREMONT | m_BDVER | m_ZNVER | m_GENERIC)
|
||||
|
||||
/* Use packed single precision instructions where posisble. I.e. movups instead
|
||||
of movupd. */
|
||||
DEF_TUNE (X86_TUNE_SSE_PACKED_SINGLE_INSN_OPTIMAL, "sse_packed_single_insn_optimal",
|
||||
m_BDVER | m_ZNVER1)
|
||||
m_BDVER | m_ZNVER)
|
||||
|
||||
/* X86_TUNE_SSE_TYPELESS_STORES: Always movaps/movups for 128bit stores. */
|
||||
DEF_TUNE (X86_TUNE_SSE_TYPELESS_STORES, "sse_typeless_stores",
|
||||
|
|
@ -372,7 +374,7 @@ DEF_TUNE (X86_TUNE_SSE_TYPELESS_STORES, "sse_typeless_stores",
|
|||
/* 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_ZNVER1
|
||||
m_PPRO | m_P4_NOCONA | m_CORE_ALL | m_BDVER | m_BTVER | m_ZNVER
|
||||
| m_GENERIC)
|
||||
|
||||
/* X86_TUNE_INTER_UNIT_MOVES_TO_VEC: Enable moves in from integer
|
||||
|
|
@ -419,11 +421,11 @@ DEF_TUNE (X86_TUNE_AVOID_4BYTE_PREFIXES, "avoid_4byte_prefixes",
|
|||
|
||||
/* X86_TUNE_USE_GATHER: Use gather instructions. */
|
||||
DEF_TUNE (X86_TUNE_USE_GATHER, "use_gather",
|
||||
~(m_ZNVER1 | m_GENERIC))
|
||||
~(m_ZNVER | m_GENERIC))
|
||||
|
||||
/* X86_TUNE_AVOID_128FMA_CHAINS: Avoid creating loops with tight 128bit or
|
||||
smaller FMA chain. */
|
||||
DEF_TUNE (X86_TUNE_AVOID_128FMA_CHAINS, "avoid_fma_chains", m_ZNVER1)
|
||||
DEF_TUNE (X86_TUNE_AVOID_128FMA_CHAINS, "avoid_fma_chains", m_ZNVER)
|
||||
|
||||
/*****************************************************************************/
|
||||
/* AVX instruction selection tuning (some of SSE flags affects AVX, too) */
|
||||
|
|
|
|||
|
|
@ -20391,6 +20391,9 @@ AMD Family 17h CPU.
|
|||
|
||||
@item znver1
|
||||
AMD Family 17h Zen version 1.
|
||||
|
||||
@item znver2
|
||||
AMD Family 17h Zen version 2.
|
||||
@end table
|
||||
|
||||
Here is an example:
|
||||
|
|
|
|||
|
|
@ -27267,6 +27267,13 @@ supersets BMI, BMI2, F16C, FMA, FSGSBASE, AVX, AVX2, ADCX, RDSEED, MWAITX,
|
|||
SHA, CLZERO, AES, PCL_MUL, CX16, MOVBE, MMX, SSE, SSE2, SSE3, SSE4A, SSSE3,
|
||||
SSE4.1, SSE4.2, ABM, XSAVEC, XSAVES, CLFLUSHOPT, POPCNT, and 64-bit
|
||||
instruction set extensions.
|
||||
@item znver2
|
||||
AMD Family 17h core based CPUs with x86-64 instruction set support. (This
|
||||
supersets BMI, BMI2, ,CLWB, F16C, FMA, FSGSBASE, AVX, AVX2, ADCX, RDSEED,
|
||||
MWAITX, SHA, CLZERO, AES, PCL_MUL, CX16, MOVBE, MMX, SSE, SSE2, SSE3, SSE4A,
|
||||
SSSE3, SSE4.1, SSE4.2, ABM, XSAVEC, XSAVES, CLFLUSHOPT, POPCNT, and 64-bit
|
||||
instruction set extensions.)
|
||||
|
||||
|
||||
@item btver1
|
||||
CPUs based on AMD Family 14h cores with x86-64 instruction set support. (This
|
||||
|
|
|
|||
|
|
@ -1,3 +1,8 @@
|
|||
2018-11-04 Venkataramanan Kumar <Venkataramanan.kumar@amd.com>
|
||||
|
||||
* config/i386/cpuinfo.c: (get_amd_cpu): Add znver2.
|
||||
* config/i386/cpuinfo.h (processor_types): Add znver2.
|
||||
|
||||
2018-11-01 Paul Koning <ni1d@arrl.net>
|
||||
|
||||
* config/pdp11/t-pdp11 (LIB2ADD): Add divmod.c.
|
||||
|
|
|
|||
|
|
@ -108,6 +108,8 @@ get_amd_cpu (unsigned int family, unsigned int model)
|
|||
/* AMD family 17h version 1. */
|
||||
if (model <= 0x1f)
|
||||
__cpu_model.__cpu_subtype = AMDFAM17H_ZNVER1;
|
||||
if (model >= 0x30)
|
||||
__cpu_model.__cpu_subtype = AMDFAM17H_ZNVER2;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -75,6 +75,7 @@ enum processor_subtypes
|
|||
INTEL_COREI7_CANNONLAKE,
|
||||
INTEL_COREI7_ICELAKE_CLIENT,
|
||||
INTEL_COREI7_ICELAKE_SERVER,
|
||||
AMDFAM17H_ZNVER2,
|
||||
CPU_SUBTYPE_MAX
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue