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| author | Yakovlev Vladimir <vladimir.b.yakovlev@intel.com> | 2011-10-14 17:38:46 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@gcc.gnu.org> | 2011-10-14 10:38:46 -0700 |
| commit | e14ca379ad80523423ec20f29f186abbcf885b00 (patch) | |
| tree | 78c533fed34fc9161f97fca0e7139369e1631cfd /gcc | |
| parent | 04fe093aea6de2fe6f2c13447b307ae006772dbf (diff) | |
| download | gcc-e14ca379ad80523423ec20f29f186abbcf885b00.zip gcc-e14ca379ad80523423ec20f29f186abbcf885b00.tar.gz gcc-e14ca379ad80523423ec20f29f186abbcf885b00.tar.bz2 | |
Changed cost for loading QImode using movzbl.
2011-10-14 Yakovlev Vladimir <vladimir.b.yakovlev@intel.com>
* config/i386/i386.c (atom_cost): Changed cost for loading
QImode using movzbl.
From-SVN: r179999
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9f1f5c1..a723756 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2011-10-14 Yakovlev Vladimir <vladimir.b.yakovlev@intel.com> + + * config/i386/i386.c (atom_cost): Changed cost for loading + QImode using movzbl. + 2011-10-14 Michael Meissner <meissner@linux.vnet.ibm.com> * config/rs6000/rs6000.c (rs6000_init_builtins): Fix typo in my diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index f09a372..2c53423 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -1672,7 +1672,7 @@ struct processor_costs atom_cost = { COSTS_N_INSNS (1), /* cost of movzx */ 8, /* "large" insn */ 17, /* MOVE_RATIO */ - 2, /* cost for loading QImode using movzbl */ + 4, /* cost for loading QImode using movzbl */ {4, 4, 4}, /* cost of loading integer registers in QImode, HImode and SImode. Relative to reg-reg move (2). */ |