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| author | Vladimir Makarov <vmakarov@redhat.com> | 2013-05-30 20:30:38 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2013-05-30 20:30:38 +0000 |
| commit | 3b9ceb4b4fd657faf031cc5fc47acc4ecae0ad88 (patch) | |
| tree | 16088611f26652c55d7f6a9b476049876bd2cdc8 /gcc/lra-assigns.c | |
| parent | cc059bdd149ced1b66f912c54c8f435379abb4ad (diff) | |
| download | gcc-3b9ceb4b4fd657faf031cc5fc47acc4ecae0ad88.zip gcc-3b9ceb4b4fd657faf031cc5fc47acc4ecae0ad88.tar.gz gcc-3b9ceb4b4fd657faf031cc5fc47acc4ecae0ad88.tar.bz2 | |
target.def (register_usage_leveling_p): New hook.
2013-05-30 Vladimir Makarov <vmakarov@redhat.com>
* target.def (register_usage_leveling_p): New hook.
* targhooks.c (default_register_usage_leveling_p): New.
* targhooks.h (default_register_usage_leveling_p): New prototype.
* lra-assigns.c (register_usage_leveling_p): Use the hook.
* doc/tm.texi.in (TARGET_REGISTER_USAGE_LEVELING_P): New hook.
* doc/tm.texi: Update.
* config/i386/i386.c (TARGET_REGISTER_USAGE_LEVELING_P): Define.
From-SVN: r199459
Diffstat (limited to 'gcc/lra-assigns.c')
| -rw-r--r-- | gcc/lra-assigns.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/gcc/lra-assigns.c b/gcc/lra-assigns.c index 78bc2e7..9719f0d 100644 --- a/gcc/lra-assigns.c +++ b/gcc/lra-assigns.c @@ -603,11 +603,7 @@ find_hard_regno_for (int regno, int *cost, int try_only_hard_regno) if (best_hard_regno < 0 || hard_regno_costs[hard_regno] < best_cost || (hard_regno_costs[hard_regno] == best_cost && (priority > best_priority - /* Hard register usage leveling actually results - in bigger code for targets with conditional - execution like ARM because it reduces chance - of if-conversion after LRA. */ - || (! targetm.have_conditional_execution () + || (targetm.register_usage_leveling_p () && priority == best_priority && best_usage > lra_hard_reg_usage[hard_regno])))) { |