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| author | Venkataramanan Kumar <vekumar@gcc.gnu.org> | 2018-11-04 11:17:54 +0000 |
|---|---|---|
| committer | Venkataramanan Kumar <vekumar@gcc.gnu.org> | 2018-11-04 11:17:54 +0000 |
| commit | 2901f42f4bd75cf7f3fd00efc1b4f0719bc9b728 (patch) | |
| tree | e7354ba4bf4373940a376e7c6e02e3e405f17115 /libgcc | |
| parent | 45bf149026361d3103ea9a24ecc46e0d9dcdf750 (diff) | |
| download | gcc-2901f42f4bd75cf7f3fd00efc1b4f0719bc9b728.zip gcc-2901f42f4bd75cf7f3fd00efc1b4f0719bc9b728.tar.gz gcc-2901f42f4bd75cf7f3fd00efc1b4f0719bc9b728.tar.bz2 | |
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
Diffstat (limited to 'libgcc')
| -rw-r--r-- | libgcc/ChangeLog | 5 | ||||
| -rw-r--r-- | libgcc/config/i386/cpuinfo.c | 2 | ||||
| -rw-r--r-- | libgcc/config/i386/cpuinfo.h | 1 |
3 files changed, 8 insertions, 0 deletions
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog index 6da80c1..72f24d2 100644 --- a/libgcc/ChangeLog +++ b/libgcc/ChangeLog @@ -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. diff --git a/libgcc/config/i386/cpuinfo.c b/libgcc/config/i386/cpuinfo.c index a7bb9da..09f4d6f 100644 --- a/libgcc/config/i386/cpuinfo.c +++ b/libgcc/config/i386/cpuinfo.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; diff --git a/libgcc/config/i386/cpuinfo.h b/libgcc/config/i386/cpuinfo.h index 0aa887b..ac9c348 100644 --- a/libgcc/config/i386/cpuinfo.h +++ b/libgcc/config/i386/cpuinfo.h @@ -75,6 +75,7 @@ enum processor_subtypes INTEL_COREI7_CANNONLAKE, INTEL_COREI7_ICELAKE_CLIENT, INTEL_COREI7_ICELAKE_SERVER, + AMDFAM17H_ZNVER2, CPU_SUBTYPE_MAX }; |