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From-SVN: r901
This commit is contained in:
Richard Stallman 1992-05-05 15:59:06 +00:00
parent 695dac07e9
commit aaf9712e79
1 changed files with 9 additions and 11 deletions
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20
gcc/reload.c
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@ -1963,12 +1963,6 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p)
register RTX_CODE code = GET_CODE (recog_operand[i]);
modified[i] = RELOAD_READ;
address_reloaded[i] = 0;
preferred_class[i]
= ((code == REG && REGNO (recog_operand[i]) > FIRST_PSEUDO_REGISTER)
? reg_preferred_class (REGNO (recog_operand[i])) : NO_REGS);
pref_or_nothing[i]
= (code == REG && REGNO (recog_operand[i]) > FIRST_PSEUDO_REGISTER
&& reg_preferred_or_nothing (REGNO (recog_operand[i])));
if (constraints[i][0] == 'p')
{
@ -2037,13 +2031,17 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p)
&XEXP (recog_operand[i], 0),
recog_operand[i], ind_levels);
substed_operand[i] = recog_operand[i] = *recog_operand_loc[i];
/* This is no longer a psuedo register. To prevent later code
from thinking it still is, we must reset the preferred_class
to NO_REGS. */
preferred_class[i] = NO_REGS;
}
}
/* If the operand is still a register (we didn't replace it with an
equivalent), get the preferred class to reload it into. */
code = GET_CODE (recog_operand[i]);
preferred_class[i]
= ((code == REG && REGNO (recog_operand[i]) > FIRST_PSEUDO_REGISTER)
? reg_preferred_class (REGNO (recog_operand[i])) : NO_REGS);
pref_or_nothing[i]
= (code == REG && REGNO (recog_operand[i]) > FIRST_PSEUDO_REGISTER
&& reg_preferred_or_nothing (REGNO (recog_operand[i])));
}
/* If this is simply a copy from operand 1 to operand 0, merge the