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| author | Pavel Chupin <pavel.v.chupin@intel.com> | 2013-05-30 15:35:10 +0400 |
|---|---|---|
| committer | Pavel Chupin <pavel.v.chupin@intel.com> | 2013-05-30 17:34:03 +0400 |
| commit | 41eff3d706b202f682f64fcc7773c64abd59ac45 (patch) | |
| tree | 7ae546411a62a34687d2342880a4213df13a9fe3 /gcc-4.7/gcc/config/i386/driver-i386.c | |
| parent | 53ac5cd1ae9fe073c4c14d3e068f778bfc1999d4 (diff) | |
| download | toolchain_gcc-41eff3d706b202f682f64fcc7773c64abd59ac45.tar.gz toolchain_gcc-41eff3d706b202f682f64fcc7773c64abd59ac45.tar.bz2 toolchain_gcc-41eff3d706b202f682f64fcc7773c64abd59ac45.zip | |
[4.7, 4.8] Release basic tuning for new Silvermont architecture
Support new switches: -march=slm/-mtune=slm
This is backport of trunk r199444:
2013-05-30 Yuri Rumyantsev <yuri.s.rumyantsev@intel.com>
Igor Zamyatin <igor.zamyatin@intel.com>
Silvermont (SLM) architecture pipeline model, tuning and
insn selection.
* config.gcc: Add slm config options and target.
* config/i386/slm.md: New.
* config/i386/driver-i386.c (host_detect_local_cpu): Check
* movbe.
* gcc/config/i386/i386-c.c (ix86_target_macros_internal): New
* case
PROCESSOR_SLM.
(ix86_target_macros_internal): Likewise.
* gcc/config/i386/i386.c (slm_cost): New cost.
(m_SLM): New macro flag.
(initial_ix86_tune_features): Set m_SLM.
(x86_accumulate_outgoing_args): Likewise.
(x86_arch_always_fancy_math_387): Likewise.
(processor_target_table): Add slm cost.
(cpu_names): Add slm cpu name.
(x86_option_override_internal): Set SLM ISA.
(ix86_issue_rate): New case PROCESSOR_SLM.
(ia32_multipass_dfa_lookahead): Likewise.
(fold_builtin_cpu): Add slm.
* config/i386/i386.h (TARGET_SLM): New target macro.
(target_cpu_default): Add TARGET_CPU_DEFAULT_slm.
(processor_type): Add PROCESSOR_SLM.
* config/i386/i386.md (cpu): Add new value "slm".
(slm.md): Include slm.md.
* libgcc/config/i386/cpuinfo.c (INTEL_SLM): New enum value.
Change-Id: I3ad6f5584e3fd5de52ac608dc699daaad24f2fe4
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
Diffstat (limited to 'gcc-4.7/gcc/config/i386/driver-i386.c')
| -rw-r--r-- | gcc-4.7/gcc/config/i386/driver-i386.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/gcc-4.7/gcc/config/i386/driver-i386.c b/gcc-4.7/gcc/config/i386/driver-i386.c index 0c006a342..9bd76fb0e 100644 --- a/gcc-4.7/gcc/config/i386/driver-i386.c +++ b/gcc-4.7/gcc/config/i386/driver-i386.c @@ -605,8 +605,14 @@ const char *host_detect_local_cpu (int argc, const char **argv) /* Assume Sandy Bridge. */ cpu = "corei7-avx"; else if (has_sse4_2) - /* Assume Core i7. */ - cpu = "corei7"; + { + if (has_movbe) + /* Assume SLM. */ + cpu = "slm"; + else + /* Assume Core i7. */ + cpu = "corei7"; + } else if (has_ssse3) { if (has_movbe) |