diff options
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -43,6 +43,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include "except.h" #include "target.h" #include "params.h" +#include "rtlhooks-def.h" /* The basic idea of common subexpression elimination is to go through the code, keeping a record of expressions that would @@ -664,6 +665,12 @@ static int cse_change_cc_mode (rtx *, void *); static void cse_change_cc_mode_insns (rtx, rtx, rtx); static enum machine_mode cse_cc_succs (basic_block, rtx, rtx, bool); + +#undef RTL_HOOKS_GEN_LOWPART +#define RTL_HOOKS_GEN_LOWPART gen_lowpart_if_possible + +static const struct rtl_hooks cse_rtl_hooks = RTL_HOOKS_INITIALIZER; + /* Nonzero if X has the form (PLUS frame-pointer integer). We check for virtual regs here because the simplify_*_operation routines are called by integrate.c, which is called before virtual register instantiation. */ @@ -6881,7 +6888,7 @@ cse_main (rtx f, int nregs, int after_loop, FILE *file) constant_pool_entries_cost = 0; constant_pool_entries_regcost = 0; val.path_size = 0; - gen_lowpart = gen_lowpart_if_possible; + rtl_hooks = cse_rtl_hooks; init_recog (); init_alias_analysis (); @@ -7001,7 +7008,7 @@ cse_main (rtx f, int nregs, int after_loop, FILE *file) free (uid_cuid); free (reg_eqv_table); free (val.path); - gen_lowpart = gen_lowpart_general; + rtl_hooks = general_rtl_hooks; return cse_jumps_altered || recorded_label_ref; } |