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reload.c (find_reloads_address_1): Generate reloads for auto_inc pseudos that refer to the original pseudos... 

* reload.c (find_reloads_address_1): Generate reloads for auto_inc
pseudos that refer to the original pseudos, not only to their
equivalent memory locations.

From-SVN: r36413
This commit is contained in:
Alexandre Oliva 2000-09-14 17:42:48 +00:00 committed by Alexandre Oliva
parent fe7a844510
commit 9e8f528cd4
2 changed files with 12 additions and 9 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
* reload.c (find_reloads_address_1): Generate reloads for auto_inc
pseudos that refer to the original pseudos, not only to their
equivalent memory locations.
Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes

15
gcc/reload.c
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@ -5276,21 +5276,18 @@ find_reloads_address_1 (mode, x, context, loc, opnum, type, ind_levels, insn)
&& ((*insn_data[icode].operand[1].predicate)
(equiv, Pmode))))
{
loc = &XEXP (x, 0);
/* We use the original pseudo for loc, so that
emit_reload_insns() knows which pseudo this
reload refers to and updates the pseudo rtx, not
its equivalent memory location, as well as the
corresponding entry in reg_last_reload_reg. */
loc = &XEXP (x_orig, 0);
x = XEXP (x, 0);
reloadnum
= push_reload (x, x, loc, loc,
(context ? INDEX_REG_CLASS : BASE_REG_CLASS),
GET_MODE (x), GET_MODE (x), 0, 0,
opnum, RELOAD_OTHER);
/* If we created a new MEM based on reg_equiv_mem[REGNO], then
LOC above is part of the new MEM, not the MEM in INSN.
We must also replace the address of the MEM in INSN. */
if (&XEXP (x_orig, 0) != loc)
push_replacement (&XEXP (x_orig, 0), reloadnum, VOIDmode);
}
else
{