diff options
Diffstat (limited to 'gcc/flow.c')
| -rw-r--r-- | gcc/flow.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/gcc/flow.c b/gcc/flow.c index 08d61b15409..8c3eb830fe9 100644 --- a/gcc/flow.c +++ b/gcc/flow.c @@ -124,10 +124,10 @@ Boston, MA 02111-1307, USA. */ #include "tree.h" #include "rtl.h" #include "tm_p.h" +#include "hard-reg-set.h" #include "basic-block.h" #include "insn-config.h" #include "regs.h" -#include "hard-reg-set.h" #include "flags.h" #include "output.h" #include "function.h" @@ -7483,6 +7483,7 @@ flow_loops_find (loops) /* Return non-zero if edge E enters header of LOOP from outside of LOOP. */ + int flow_loop_outside_edge_p (loop, e) const struct loop *loop; @@ -7496,6 +7497,7 @@ flow_loop_outside_edge_p (loop, e) /* Clear LOG_LINKS fields of insns in a chain. */ + void clear_log_links (insns) rtx insns; @@ -7505,3 +7507,25 @@ clear_log_links (insns) if (GET_RTX_CLASS (GET_CODE (i)) == 'i') LOG_LINKS (i) = 0; } + +/* Given a register bitmap, turn on the bits in a HARD_REG_SET that + correspond to the hard registers, if any, set in that map. This + could be done far more efficiently by having all sorts of special-cases + with moving single words, but probably isn't worth the trouble. */ + +void +reg_set_to_hard_reg_set (to, from) + HARD_REG_SET *to; + bitmap from; +{ + int i; + + EXECUTE_IF_SET_IN_BITMAP + (from, 0, i, + { + if (i >= FIRST_PSEUDO_REGISTER) + return; + SET_HARD_REG_BIT (*to, i); + }); +} + |
