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| author | Jan Hubicka <hubicka@ucw.cz> | 2019-07-23 11:27:11 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2019-07-23 09:27:11 +0000 |
| commit | 187dd65de84c1e71c8b321bfc2fecc84068e0f1f (patch) | |
| tree | 9e2e9542417c2d69297f89fa33c10c6961e87561 /gcc | |
| parent | 4e2a165210c07078ad1226ca3f0712a457a73d0e (diff) | |
| download | gcc-187dd65de84c1e71c8b321bfc2fecc84068e0f1f.zip gcc-187dd65de84c1e71c8b321bfc2fecc84068e0f1f.tar.gz gcc-187dd65de84c1e71c8b321bfc2fecc84068e0f1f.tar.bz2 | |
x86-tune-costs.h (znver2_memcpy): Update.
* config/i386/x86-tune-costs.h (znver2_memcpy): Update.
(znver2_costs): Update 256 bit SSE costs and multiplication.
From-SVN: r273728
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/x86-tune-costs.h | 12 |
2 files changed, 11 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3b39269..2a84ebb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2019-07-23 Jan Hubicka <hubicka@ucw.cz> + + * config/i386/x86-tune-costs.h (znver2_memcpy): Update. + (znver2_costs): Update 256 bit SSE costs and multiplication. + 2019-07-23 Jan Beulich <jbeulich@suse.com> * config/i386/sse.md (<avx512>_cvtmask2<ssemodesuffix><mode>): diff --git a/gcc/config/i386/x86-tune-costs.h b/gcc/config/i386/x86-tune-costs.h index ac06e37..8b963c0 100644 --- a/gcc/config/i386/x86-tune-costs.h +++ b/gcc/config/i386/x86-tune-costs.h @@ -1279,12 +1279,12 @@ struct processor_costs znver1_cost = { static stringop_algs znver2_memcpy[2] = { {libcall, {{6, loop, false}, {14, unrolled_loop, false}, {-1, rep_prefix_4_byte, false}}}, - {libcall, {{16, loop, false}, {8192, rep_prefix_8_byte, false}, + {libcall, {{16, loop, false}, {64, rep_prefix_4_byte, false}, {-1, libcall, false}}}}; static stringop_algs znver2_memset[2] = { {libcall, {{8, loop, false}, {24, unrolled_loop, false}, {2048, rep_prefix_4_byte, false}, {-1, libcall, false}}}, - {libcall, {{48, unrolled_loop, false}, {8192, rep_prefix_8_byte, false}, + {libcall, {{24, rep_prefix_4_byte, false}, {128, rep_prefix_8_byte, false}, {-1, libcall, false}}}}; struct processor_costs znver2_cost = { @@ -1335,11 +1335,11 @@ struct processor_costs znver2_cost = { in SImode and DImode. */ {8, 8}, /* cost of storing MMX registers in SImode and DImode. */ - 2, 3, 6, /* cost of moving XMM,YMM,ZMM + 2, 2, 3, /* cost of moving XMM,YMM,ZMM register. */ - {6, 6, 6, 10, 20}, /* cost of loading SSE registers + {6, 6, 6, 6, 12}, /* cost of loading SSE registers in 32,64,128,256 and 512-bit. */ - {6, 6, 6, 10, 20}, /* cost of unaligned loads. */ + {6, 6, 6, 6, 12}, /* cost of unaligned loads. */ {8, 8, 8, 8, 16}, /* cost of storing SSE registers in 32,64,128,256 and 512-bit. */ {8, 8, 8, 8, 16}, /* cost of unaligned stores. */ @@ -1372,7 +1372,7 @@ struct processor_costs znver2_cost = { 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 (3), /* 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. */ |