contrib/gcc/regrename.c

31 #include "hard-reg-set.h"
100 note_sets (rtx x, rtx set ATTRIBUTE_UNUSED, void *data)
143    its lifetime and set the corresponding bits in *PSET.  */
176       /* For the last reference, also merge in all registers set in the
268 	     count number of uses, and narrow the set of registers we can
1188 kill_clobbered_value (rtx x, rtx set, void *data)
1191   if (GET_CODE (set) == CLOBBER)
1195 /* Called through note_stores.  If X is set, not clobbered, kill its
1199 kill_set_value (rtx x, rtx set, void *data)
1202   if (GET_CODE (set) != CLOBBER)
1282      (set (reg:DI r0) (reg:DI fr0))
1283      (set (reg:SI fr2) (reg:SI r0))
1285      (set (reg:SI fr2) (reg:SI fr0))
1330 /* Register REGNO was originally set in ORIG_MODE.  It - or a copy of it -
1374   /* If we are accessing REG in some mode other that what we set it in,
1376 	(set (reg:DI r11) (...))
1377 	(set (reg:SI r9) (reg:SI r11))
1378 	(set (reg:SI r10) (...))
1379 	(set (...) (reg:DI r9))
1601       rtx set;
1612       set = single_set (insn);
1657       if (set && REG_P (SET_SRC (set)))
1659 	  rtx src = SET_SRC (set);
1666 	     set it in, make sure that the replacement is valid.  */
1676 	  if (REG_P (SET_DEST (set)))
1679 	      if (new && validate_change (insn, &SET_SRC (set), new, 0))
1698 		  if (validate_change (insn, &SET_SRC (set), new, 0))
1801       if (set && REG_P (SET_DEST (set)) && REG_P (SET_SRC (set)))
1802 	copy_value (SET_DEST (set), SET_SRC (set), vd);
1854       /* ??? Irritatingly, delete_noop_moves does not take a set of blocks
1855 	 to scan, so we have to do a life update with no initial set of
1872   HARD_REG_SET set;
1875   CLEAR_HARD_REG_SET (set);
1888 	SET_HARD_REG_BIT (set, i);
1895 	    if (TEST_HARD_REG_BIT (set, j))
1907 	    SET_HARD_REG_BIT (set, j);
1914     if (! TEST_HARD_REG_BIT (set, i)
1927   HARD_REG_SET set;
1930   CLEAR_HARD_REG_SET (set);
1943 	SET_HARD_REG_BIT (set, i);
1949 	    if (TEST_HARD_REG_BIT (set, j))
1956 	    SET_HARD_REG_BIT (set, j);
1961     if (! TEST_HARD_REG_BIT (set, i)