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| author | Andrew Senkevich <andrew.senkevich@intel.com> | 2018-07-19 06:49:10 +0000 |
|---|---|---|
| committer | Julia Koval <jkoval@gcc.gnu.org> | 2018-07-19 08:49:10 +0200 |
| commit | 6e559c70b7525cea4174ea958067987e64314e1b (patch) | |
| tree | eaff1d13ed007b9f66a7a227718ea06c48f49295 | |
| parent | 4a4dab51a33598ca67ef07e95f6f82beb0ff2e5f (diff) | |
| download | gcc-6e559c70b7525cea4174ea958067987e64314e1b.zip gcc-6e559c70b7525cea4174ea958067987e64314e1b.tar.gz gcc-6e559c70b7525cea4174ea958067987e64314e1b.tar.bz2 | |
x86-tune-costs.h (skylake_memcpy, [...]): Replace rep_prefix with unrolling for size 512.
* config/i386/x86-tune-costs.h (skylake_memcpy,
skylake_memset): Replace rep_prefix with unrolling for size 512.
Co-Authored-By: Julia Koval <julia.koval@intel.com>
From-SVN: r262871
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/x86-tune-costs.h | 4 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b34ae54..78cf6b7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-07-19 Andrew Senkevich <andrew.senkevich@intel.com> + Julia Koval <julia.koval@intel.com> + + * config/i386/x86-tune-costs.h (skylake_memcpy, + skylake_memset): Replace rep_prefix with unrolling for size 512. + 2018-07-18 Kugan Vivekanandarajah <kuganv@linaro.org> PR middle-end/86544 diff --git a/gcc/config/i386/x86-tune-costs.h b/gcc/config/i386/x86-tune-costs.h index 8409a5f..ff28934 100644 --- a/gcc/config/i386/x86-tune-costs.h +++ b/gcc/config/i386/x86-tune-costs.h @@ -1518,7 +1518,7 @@ struct processor_costs znver1_cost = { /* 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}}}, - {libcall, {{16, loop, false}, {512, rep_prefix_8_byte, false}, + {libcall, {{16, loop, false}, {512, unrolled_loop, false}, {-1, libcall, false}}}}; static stringop_algs skylake_memset[2] = { @@ -1526,7 +1526,7 @@ static stringop_algs skylake_memset[2] = { {24, loop, true}, {8192, rep_prefix_4_byte, true}, {-1, libcall, false}}}, - {libcall, {{24, loop, true}, {512, rep_prefix_8_byte, false}, + {libcall, {{24, loop, true}, {512, unrolled_loop, false}, {-1, libcall, false}}}}; static const |