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(can_combine_p): Even if SMALL_REGISTER_CLASSES, know lifetime not
author
Richard Kenner
<kenner@gcc.gnu.org>
Mon, 23 Sep 1996 23:28:23 +0000
(19:28 -0400)
committer
Richard Kenner
<kenner@gcc.gnu.org>
Mon, 23 Sep 1996 23:28:23 +0000
(19:28 -0400)
extended if all_adjacent set.
From-SVN: r12789
gcc/combine.c
patch
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diff --git
a/gcc/combine.c
b/gcc/combine.c
index 796a7c24cdd3bc1bc1a017c992ab9e1e4cba728e..5f07a35e1be6d33a180eae0ab45ed6f8f7f3a0c6 100644
(file)
--- a/
gcc/combine.c
+++ b/
gcc/combine.c
@@
-964,7
+964,7
@@
can_combine_p (insn, i3, pred, succ, pdest, psrc)
|| (REGNO (src) < FIRST_PSEUDO_REGISTER
&& (! HARD_REGNO_MODE_OK (REGNO (src), GET_MODE (src))
#ifdef SMALL_REGISTER_CLASSES
- ||
! REG_USERVAR_P (src
)
+ ||
(! all_adjacent && ! REG_USERVAR_P (src)
)
#endif
))))
return 0;