diff options
Diffstat (limited to 'gcc/gcse.c')
| -rw-r--r-- | gcc/gcse.c | 16 |
1 files changed, 10 insertions, 6 deletions
@@ -170,6 +170,7 @@ along with GCC; see the file COPYING3. If not see #include "df.h" #include "dbgcnt.h" #include "target.h" +#include "gcse.h" /* We support GCSE via Partial Redundancy Elimination. PRE optimizations are a superset of those done by classic GCSE. @@ -263,6 +264,11 @@ along with GCC; see the file COPYING3. If not see /* GCSE global vars. */ +struct target_gcse default_target_gcse; +#if SWITCHABLE_TARGET +struct target_gcse *this_target_gcse = &default_target_gcse; +#endif + /* Set to non-zero if CSE should run after all GCSE optimizations are done. */ int flag_rerun_cse_after_global_opts; @@ -539,10 +545,10 @@ static bool is_too_expensive (const char *); /* Misc. utilities. */ -/* Nonzero for each mode that supports (set (reg) (reg)). - This is trivially true for integer and floating point values. - It may or may not be true for condition codes. */ -static char can_copy[(int) NUM_MACHINE_MODES]; +#define can_copy \ + (this_target_gcse->x_can_copy) +#define can_copy_init_p \ + (this_target_gcse->x_can_copy_init_p) /* Compute which modes support reg/reg copy operations. */ @@ -579,8 +585,6 @@ compute_can_copy (void) bool can_copy_p (enum machine_mode mode) { - static bool can_copy_init_p = false; - if (! can_copy_init_p) { compute_can_copy (); |