Update arc_mode_dependent_address_p to avoid emitting subreg(mem (reg
..)) when expanding.
gcc/
2016-10-11 Claudiu Zissulescu <claz...@synopsys.com>
* config/arc/arc.c (arc_mode_dependent_address_p): Relax
conditions to take advantage of various optimizations.
---
gcc/config/arc/arc.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c
index 50bfa11..165f3d6 100644
--- a/gcc/config/arc/arc.c
+++ b/gcc/config/arc/arc.c
@@ -5641,13 +5641,9 @@ arc_mode_dependent_address_p (const_rtx addr,
addr_space_t)
{
/* SYMBOL_REF is not mode dependent: it is either a small data reference,
which is valid for loads and stores, or a limm offset, which is valid for
- loads. */
- /* Scaled indices are scaled by the access mode; likewise for scaled
- offsets, which are needed for maximum offset stores. */
+ loads. Scaled indices are scaled by the access mode. */
if (GET_CODE (addr) == PLUS
- && (GET_CODE (XEXP ((addr), 0)) == MULT
- || (CONST_INT_P (XEXP ((addr), 1))
- && !SMALL_INT (INTVAL (XEXP ((addr), 1))))))
+ && GET_CODE (XEXP ((addr), 0)) == MULT)
return true;
return false;
}
--
1.9.1
