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sh.c (sh_recog_treg_set_expr): Return false during expand phase to avoid codegen differences with -g. 

* config/sh/sh.c (sh_recog_treg_set_expr): Return false during
expand phase to avoid codegen differences with -g.

From-SVN: r226715
This commit is contained in:
Kaz Kojima 2015-08-07 08:11:45 +00:00
parent 41b122f335
commit fa0a20e309
2 changed files with 12 additions and 0 deletions
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gcc/ChangeLog
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@ -1,3 +1,9 @@
2015-08-07 Kaz Kojima <kkojima@gcc.gnu.org>
PR target/67002
* config/sh/sh.c (sh_recog_treg_set_expr): Return false when
currently_expanding_to_rtl is set.
2015-08-06 Yaakov Selkowitz <yselkowi@redhat.com> 2015-08-06 Yaakov Selkowitz <yselkowi@redhat.com>
* configure.ac: Define LIBICONV_DEP with in-tree libiconv. * configure.ac: Define LIBICONV_DEP with in-tree libiconv.

6
gcc/config/sh/sh.c
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@ -14165,6 +14165,12 @@ sh_recog_treg_set_expr (rtx op, machine_mode mode)
if (!can_create_pseudo_p ()) if (!can_create_pseudo_p ())
return false; return false;
/* expand_debug_locations may call this to compute rtx costs at
very early stage. In that case, don't make new insns here to
avoid codegen differences with -g. */
if (currently_expanding_to_rtl)
return false;
/* We are going to invoke recog in a re-entrant way and thus /* We are going to invoke recog in a re-entrant way and thus
have to capture its current state and restore it afterwards. */ have to capture its current state and restore it afterwards. */
recog_data_d prev_recog_data = recog_data; recog_data_d prev_recog_data = recog_data;