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014-01-16 Bernd Schmidt <bernds@codesourcery.com> 

PR middle-end/56791
        * reload.c (find_reloads_address_1): Do not use RELOAD_OTHER
        * when
        pushing a reload for an autoinc when we had previously reloaded an
        inner part of the address.

From-SVN: r206688
This commit is contained in:
Bernd Schmidt 2014-01-16 20:51:24 +00:00 committed by Jeff Law
parent d1417442bf
commit 9e6f9ad62c
2 changed files with 13 additions and 1 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2014-01-16 Bernd Schmidt <bernds@codesourcery.com>
PR middle-end/56791
* reload.c (find_reloads_address_1): Do not use RELOAD_OTHER when
pushing a reload for an autoinc when we had previously reloaded an
inner part of the address.
2014-01-16 Jakub Jelinek <jakub@redhat.com>
* tree-vectorizer.h (struct _loop_vec_info): Add no_data_dependencies

7
gcc/reload.c
View File

@ -5563,6 +5563,7 @@ find_reloads_address_1 (enum machine_mode mode, addr_space_t as,
enum reg_class context_reg_class;
RTX_CODE code = GET_CODE (x);
bool reloaded_inner_of_autoinc = false;
if (context == 1)
context_reg_class = INDEX_REG_CLASS;
@ -5850,6 +5851,7 @@ find_reloads_address_1 (enum machine_mode mode, addr_space_t as,
find_reloads_address (GET_MODE (tem), &tem, XEXP (tem, 0),
&XEXP (tem, 0), opnum, type,
ind_levels, insn);
reloaded_inner_of_autoinc = true;
if (!rtx_equal_p (tem, orig))
push_reg_equiv_alt_mem (regno, tem);
/* Put this inside a new increment-expression. */
@ -5898,7 +5900,10 @@ find_reloads_address_1 (enum machine_mode mode, addr_space_t as,
#endif
&& ! (icode != CODE_FOR_nothing
&& insn_operand_matches (icode, 0, equiv)
&& insn_operand_matches (icode, 1, equiv)))
&& insn_operand_matches (icode, 1, equiv))
/* Using RELOAD_OTHER means we emit this and the reload we
made earlier in the wrong order. */
&& !reloaded_inner_of_autoinc)
{
/* We use the original pseudo for loc, so that
emit_reload_insns() knows which pseudo this