From cd7c9015a6306338ea15c1f8a94b8e1be87ae0d5 Mon Sep 17 00:00:00 2001 From: Richard Kenner Date: Tue, 30 Oct 2001 00:19:58 +0000 Subject: reload1.c (eliminate_regs): Test for reg_renumber being allocated before referencing it. * reload1.c (eliminate_regs): Test for reg_renumber being allocated before referencing it. From-SVN: r46623 --- gcc/reload1.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'gcc/reload1.c') diff --git a/gcc/reload1.c b/gcc/reload1.c index 2947f1a..c5158c7 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -2298,8 +2298,8 @@ eliminate_regs (x, mem_mode, insn) return plus_constant (ep->to_rtx, ep->previous_offset); } - else if (reg_renumber[regno] < 0 && reg_equiv_constant - && reg_equiv_constant[regno] + else if (reg_renumber && reg_renumber[regno] < 0 + && reg_equiv_constant && reg_equiv_constant[regno] && ! CONSTANT_P (reg_equiv_constant[regno])) return eliminate_regs (copy_rtx (reg_equiv_constant[regno]), mem_mode, insn); @@ -2365,7 +2365,7 @@ eliminate_regs (x, mem_mode, insn) rtx new0 = eliminate_regs (XEXP (x, 0), mem_mode, insn); rtx new1 = eliminate_regs (XEXP (x, 1), mem_mode, insn); - if (new0 != XEXP (x, 0) || new1 != XEXP (x, 1)) + if (reg_renumber && (new0 != XEXP (x, 0) || new1 != XEXP (x, 1))) { /* If one side is a PLUS and the other side is a pseudo that didn't get a hard register but has a reg_equiv_constant, @@ -2473,7 +2473,8 @@ eliminate_regs (x, mem_mode, insn) { new = eliminate_regs (XEXP (x, 1), mem_mode, insn); if (new != XEXP (x, 1)) - return gen_rtx_fmt_ee (GET_CODE (x), GET_MODE (x), XEXP (x, 0), new); + return + gen_rtx_fmt_ee (GET_CODE (x), GET_MODE (x), XEXP (x, 0), new); } return x; -- cgit v1.1