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re PR rtl-optimization/32776 (ICE RTL check: expected code 'reg', have 'concatn' in rhs_regno, at rtl.h:972) 

PR rtl-optimization/32776
	* lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
	(resolve_use): Likewise.
	(decompose_multiword_subregs): Remove "changed" local variable.

From-SVN: r127282
This commit is contained in:
Ian Lance Taylor 2007-08-07 22:43:55 +00:00 committed by Ian Lance Taylor
parent 9c94a88187
commit d4fd3465b6
2 changed files with 14 additions and 15 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2007-08-07 Ian Lance Taylor <iant@google.com>
PR rtl-optimization/32776
* lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
(resolve_use): Likewise.
(decompose_multiword_subregs): Remove "changed" local variable.
2007-08-07 Carlos O'Donell <carlos@codesourcery.com>
* configure.ac: Define HAVE_GNU_AS if $gas_flag is yes.

22
gcc/lower-subreg.c
View File

@ -936,6 +936,8 @@ resolve_clobber (rtx pat, rtx insn)
emit_insn_after (x, insn);
}
resolve_reg_notes (insn);
return true;
}
@ -950,6 +952,9 @@ resolve_use (rtx pat, rtx insn)
delete_insn (insn);
return true;
}
resolve_reg_notes (insn);
return false;
}
@ -1251,25 +1256,17 @@ decompose_multiword_subregs (void)
FOR_BB_INSNS (bb, insn)
{
rtx next, pat;
bool changed;
if (!INSN_P (insn))
continue;
next = NEXT_INSN (insn);
changed = false;
pat = PATTERN (insn);
if (GET_CODE (pat) == CLOBBER)
{
if (resolve_clobber (pat, insn))
changed = true;
}
resolve_clobber (pat, insn);
else if (GET_CODE (pat) == USE)
{
if (resolve_use (pat, insn))
changed = true;
}
resolve_use (pat, insn);
else
{
rtx set;
@ -1302,8 +1299,6 @@ decompose_multiword_subregs (void)
insn = resolve_simple_move (set, insn);
if (insn != orig_insn)
{
changed = true;
remove_retval_note (insn);
recog_memoized (insn);
@ -1320,7 +1315,6 @@ decompose_multiword_subregs (void)
decomposed_shift = resolve_shift_zext (insn);
if (decomposed_shift != NULL_RTX)
{
changed = true;
insn = decomposed_shift;
recog_memoized (insn);
extract_insn (insn);
@ -1349,8 +1343,6 @@ decompose_multiword_subregs (void)
gcc_assert (i);
remove_retval_note (insn);
changed = true;
}
}
}