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| author | Vladimir Makarov <vmakarov@redhat.com> | 2014-06-06 17:22:34 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2014-06-06 17:22:34 +0000 |
| commit | 5a770e0137b2dbfcf87978b6ec949114449ad1a9 (patch) | |
| tree | aefe1ecd4d6369bfc4ffaac75091b8be5f4fb778 | |
| parent | 4dadc66d180efede2b31bc3c45a9602cd03fca84 (diff) | |
| download | gcc-5a770e0137b2dbfcf87978b6ec949114449ad1a9.zip gcc-5a770e0137b2dbfcf87978b6ec949114449ad1a9.tar.gz gcc-5a770e0137b2dbfcf87978b6ec949114449ad1a9.tar.bz2 | |
re PR rtl-optimization/61325 (aarch64_be build fails)
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.
From-SVN: r211320
| -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 19aeddc..4084533 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 cafbc89..08716fe 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, |