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| author | Vladimir Makarov <vmakarov@redhat.com> | 2016-04-06 16:48:36 +0000 |
|---|---|---|
| committer | Vladimir Makarov <vmakarov@gcc.gnu.org> | 2016-04-06 16:48:36 +0000 |
| commit | bc2fc1f3b84472865724b7e91b540ca0fadedd1b (patch) | |
| tree | 7cada23d7ebb7839e393ccbce8fed46721ed7422 /gcc/lra-constraints.c | |
| parent | 469abfd2efbeb0923f4f07fbd67d1b8812f25479 (diff) | |
| download | gcc-bc2fc1f3b84472865724b7e91b540ca0fadedd1b.zip gcc-bc2fc1f3b84472865724b7e91b540ca0fadedd1b.tar.gz gcc-bc2fc1f3b84472865724b7e91b540ca0fadedd1b.tar.bz2 | |
re PR rtl-optimization/70398 (gcc.dg/vect/slp-multitypes-9.c FAILs with -fno-tree-loop-optimize -fno-tree-ter)
2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/70398
* lra-constraints.c (process_address_1): Check zero scale and code
for reloading with zero scale.
2016-04-06 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/70398
* testsuite/gcc.target/aarch64/pr70398.c: New.
From-SVN: r234792
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index 4883eef..c00afe7 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -2914,6 +2914,7 @@ process_address_1 (int nop, bool check_only_p, { struct address_info ad; rtx new_reg; + HOST_WIDE_INT scale; rtx op = *curr_id->operand_loc[nop]; const char *constraint = curr_static_id->operand[nop].constraint; enum constraint_num cn = lookup_constraint (constraint); @@ -3161,14 +3162,14 @@ process_address_1 (int nop, bool check_only_p, *ad.inner = simplify_gen_binary (PLUS, GET_MODE (new_reg), new_reg, *ad.index); } - else if (get_index_scale (&ad) == 1) + else if ((scale = get_index_scale (&ad)) == 1) { /* The last transformation to one reg will be made in curr_insn_transform function. */ end_sequence (); return false; } - else + else if (scale != 0) { /* base + scale * index => base + new_reg, case (1) above. @@ -3180,6 +3181,17 @@ process_address_1 (int nop, bool check_only_p, *ad.inner = simplify_gen_binary (PLUS, GET_MODE (new_reg), *ad.base_term, new_reg); } + else + { + enum reg_class cl = base_reg_class (ad.mode, ad.as, + SCRATCH, SCRATCH); + rtx addr = *ad.inner; + + new_reg = lra_create_new_reg (Pmode, NULL_RTX, cl, "addr"); + /* addr => new_base. */ + lra_emit_move (new_reg, addr); + *ad.inner = new_reg; + } *before = get_insns (); end_sequence (); return true; |