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Patch from Richard Earnshaw which fixes a reload problem with

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(reload (mem (mem ...) patterns.  Makes BIND 4 compile with -O2, among
others.
This commit is contained in:
mycroft 1999-01-23 01:27:17 +00:00
parent 56a0200695
commit cebde81965
1 changed files with 7 additions and 0 deletions
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7
gnu/dist/gcc/reload.c vendored
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@ -3059,6 +3059,13 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p)
&& GET_CODE (XEXP (operand, 0)) == REG
&& (ind_levels == 0
|| reg_equiv_address[REGNO (XEXP (operand, 0))] != 0))
/* Similarly if a mem's address is another mem and we
don't have indirection. find_reloads_address will
have pushed the correct reloads for this case. */
|| (GET_CODE (operand) == MEM
&& GET_CODE (XEXP (operand, 0)) == MEM
&& ind_levels == 0
&& address_reloaded[i])
|| (GET_CODE (operand) == REG
&& REGNO (operand) >= FIRST_PSEUDO_REGISTER
&& reg_renumber[REGNO (operand)] < 0