(find_reloads): If replaced a PLUS or MULT with a simple operand,

start over again.

From-SVN: r13360
This commit is contained in:
Richard Kenner 1997-01-03 10:50:25 -05:00
parent 161cca9adc
commit b685dbaebc
1 changed files with 15 additions and 1 deletions

View File

@ -1,5 +1,5 @@
/* Search an insn for pseudo regs that must be in hard regs and are not.
Copyright (C) 1987, 88, 89, 92-5, 1996 Free Software Foundation, Inc.
Copyright (C) 1987, 88, 89, 92-6, 1997 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -2518,6 +2518,20 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p)
find_reloads_address (VOIDmode, NULL_PTR,
recog_operand[i], recog_operand_loc[i],
i, operand_type[i], ind_levels);
/* If we now have a simple operand where we used to have a
PLUS or MULT, re-recognize and try again. */
if ((GET_RTX_CLASS (GET_CODE (*recog_operand_loc[i])) == 'o'
|| GET_CODE (*recog_operand_loc[i]) == SUBREG)
&& (GET_CODE (recog_operand[i]) == MULT
|| GET_CODE (recog_operand[i]) == PLUS))
{
INSN_CODE (insn) = -1;
find_reloads (insn, replace, ind_levels, live_known,
reload_reg_p);
return;
}
substed_operand[i] = recog_operand[i] = *recog_operand_loc[i];
}
else if (code == MEM)