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| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/lra-constraints.c | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 19aeddc9190..40845337c02 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2014-06-06 Vladimir Makarov <vmakarov@redhat.com> + + PR rtl-optimization/61325 + * lra-constraints.c (process_address_1): Check scale equal to one + to prevent transformation: base + scale * index => base + new_reg. + 2014-06-06 Richard Biener <rguenther@suse.de> PR tree-optimization/59299 diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index cafbc898c66..08716fe698a 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -3033,6 +3033,13 @@ process_address_1 (int nop, rtx *before, rtx *after) *ad.inner = simplify_gen_binary (PLUS, GET_MODE (new_reg), new_reg, *ad.index); } + else if (get_index_scale (&ad) == 1) + { + /* The last transformation to one reg will be made in + curr_insn_transform function. */ + end_sequence (); + return false; + } else { /* base + scale * index => base + new_reg, |