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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2017-04-14 13:40:43 +0200 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@gcc.gnu.org> | 2017-04-14 13:40:43 +0200 |
| commit | 1fccdd40cf7a4802a3e78c0e5197332c69be3b5e (patch) | |
| tree | 02c431585a916dc679c06310173ac5d400354ff7 | |
| parent | 1f33abd75db99567376f41a9f21cbf509167aa97 (diff) | |
| download | gcc-1fccdd40cf7a4802a3e78c0e5197332c69be3b5e.zip gcc-1fccdd40cf7a4802a3e78c0e5197332c69be3b5e.tar.gz gcc-1fccdd40cf7a4802a3e78c0e5197332c69be3b5e.tar.bz2 | |
[ARC] Update mode_dependent_address_p hook.
Update arc_mode_dependent_address_p to avoid emitting subreg(mem (reg
..)) when expanding by relaxing the conditions.
gcc/
2017-04-14 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc.c (arc_mode_dependent_address_p): Relax
conditions to take advantage of various optimizations.
From-SVN: r246925
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/arc/arc.c | 8 |
2 files changed, 7 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 788f029..27cfef5 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2017-04-14 Claudiu Zissulescu <claziss@synopsys.com> + + * config/arc/arc.c (arc_mode_dependent_address_p): Relax + conditions to take advantage of various optimizations. + 2017-04-13 Jeff Law <law@redhat.com> * config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c index 0563a74..b28c590 100644 --- a/gcc/config/arc/arc.c +++ b/gcc/config/arc/arc.c @@ -5509,13 +5509,9 @@ 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; } |