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[PR97933] LRA: find correctly last empty dest block.

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2020-11-24  Vladimir Makarov  <vmakarov@redhat.com>

	PR bootstrap/97933
	* lra.c (lra_process_new_insns): Stop on the first real insn after
	head of e->dest.
This commit is contained in:
Vladimir N. Makarov 2020-11-24 11:25:16 -05:00
parent f30a9a8d9e
commit bc8f0f1f88
1 changed files with 3 additions and 5 deletions
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8
gcc/lra.c
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@ -1908,11 +1908,9 @@ lra_process_new_insns (rtx_insn *insn, rtx_insn *before, rtx_insn *after,
tmp = NEXT_INSN (tmp);
if (NOTE_INSN_BASIC_BLOCK_P (tmp))
tmp = NEXT_INSN (tmp);
for (curr = tmp;
curr != NULL
&& (!INSN_P (curr) || BLOCK_FOR_INSN (curr) == e->dest);
curr = NEXT_INSN (curr))
;
for (curr = tmp; curr != NULL; curr = NEXT_INSN (curr))
if (INSN_P (curr))
break;
/* Do not put reload insns if it is the last BB
without actual insns. In this case the reload insns
can get null BB after emitting. */