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| author | Jan Hubicka <jh@suse.cz> | 2006-12-07 13:56:02 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2006-12-07 12:56:02 +0000 |
| commit | e850f0281c60912faf6f19c2765f0655ff4f179c (patch) | |
| tree | bb6d9248b6bfd2f58ab9017f4d526a8e805adcdf /gcc | |
| parent | 5daffcc76eab6e3b4519fbc9aa8af59ff70d6ef0 (diff) | |
| download | gcc-e850f0281c60912faf6f19c2765f0655ff4f179c.zip gcc-e850f0281c60912faf6f19c2765f0655ff4f179c.tar.gz gcc-e850f0281c60912faf6f19c2765f0655ff4f179c.tar.bz2 | |
i386.c (nocona_cost, [...]): Update preffered memcpy/memset codegen.
* i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
codegen.
From-SVN: r119620
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 8 |
2 files changed, 9 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index aac2bb1..4c63be4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2006-12-07 Jan Hubicka <jh@suse.cz> + * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset + codegen. + +2006-12-07 Jan Hubicka <jh@suse.cz> + * tree-vrp.c (compare_values): Short circuit INTEGER_CST; use fold_constant_to_binary; tolerate wrong type constants. (value_intersect_p): Do just two tests. diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 9dc2feb..fd5c27c 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -655,9 +655,9 @@ struct processor_costs pentium4_cost = { COSTS_N_INSNS (2), /* cost of FABS instruction. */ COSTS_N_INSNS (2), /* cost of FCHS instruction. */ COSTS_N_INSNS (43), /* cost of FSQRT instruction. */ - {{libcall, {{12, loop_1_byte}, {64, loop}, {-1, rep_prefix_4_byte}}}, + {{libcall, {{12, loop_1_byte}, {-1, rep_prefix_4_byte}}}, DUMMY_STRINGOP_ALGS}, - {{libcall, {{6, loop_1_byte}, {64, loop}, {20480, rep_prefix_4_byte}, + {{libcall, {{6, loop_1_byte}, {48, loop}, {20480, rep_prefix_4_byte}, {-1, libcall}}}, DUMMY_STRINGOP_ALGS}, }; @@ -713,10 +713,10 @@ struct processor_costs nocona_cost = { COSTS_N_INSNS (3), /* cost of FABS instruction. */ COSTS_N_INSNS (3), /* cost of FCHS instruction. */ COSTS_N_INSNS (44), /* cost of FSQRT instruction. */ - {{libcall, {{12, loop_1_byte}, {64, loop}, {-1, rep_prefix_4_byte}}}, + {{libcall, {{12, loop_1_byte}, {-1, rep_prefix_4_byte}}}, {libcall, {{32, loop}, {20000, rep_prefix_8_byte}, {100000, unrolled_loop}, {-1, libcall}}}}, - {{libcall, {{6, loop_1_byte}, {64, loop}, {20480, rep_prefix_4_byte}, + {{libcall, {{6, loop_1_byte}, {48, loop}, {20480, rep_prefix_4_byte}, {-1, libcall}}}, {libcall, {{24, loop}, {64, unrolled_loop}, {8192, rep_prefix_8_byte}, {-1, libcall}}}} |