diff options
| author | vekumar <vekumar@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-02-04 07:52:08 +0000 |
|---|---|---|
| committer | vekumar <vekumar@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-02-04 07:52:08 +0000 |
| commit | c9aab4bddf687b297cd5dcd609d08c4d95563394 (patch) | |
| tree | c9c02ec17dce31a72a4b21b926e96de181017953 /gcc/config/i386/x86-tune.def | |
| parent | 6b94e1332a8322aff91b7ed88395b79080f5e30d (diff) | |
| download | gcc-c9aab4bddf687b297cd5dcd609d08c4d95563394.tar.gz | |
Disable auto prefetcher for -march=znver1.
2016-02-04 Victoria Stepanyan <victoria.stepanyan@amd.com>
* gcc/config/i386/x86-tune.def: Disable default prefetching
for -march=znver1.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@233127 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/i386/x86-tune.def')
| -rw-r--r-- | gcc/config/i386/x86-tune.def | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/config/i386/x86-tune.def b/gcc/config/i386/x86-tune.def index 9d25e51d407..31a87b913b2 100644 --- a/gcc/config/i386/x86-tune.def +++ b/gcc/config/i386/x86-tune.def @@ -218,7 +218,7 @@ DEF_TUNE (X86_TUNE_FOUR_JUMP_LIMIT, "four_jump_limit", at -O3. For the moment, the prefetching seems badly tuned for Intel chips. */ DEF_TUNE (X86_TUNE_SOFTWARE_PREFETCHING_BENEFICIAL, "software_prefetching_beneficial", - m_K6_GEODE | m_AMD_MULTIPLE) + m_K6_GEODE | m_ATHLON_K8 | m_AMDFAM10 | m_BDVER | m_BTVER) /* X86_TUNE_LCP_STALL: Avoid an expensive length-changing prefix stall on 16-bit immediate moves into memory on Core2 and Corei7. */ |