else
j = REGNO (y);
+ /* On a WORDS_BIG_ENDIAN machine, point to the last register of a
+ multiple hard register group, so that for example (reg:DI 0) and
+ (reg:SI 1) will be considered the same register. */
+ if (WORDS_BIG_ENDIAN && GET_MODE_SIZE (GET_MODE (x)) > UNITS_PER_WORD
+ && i < FIRST_PSEUDO_REGISTER)
+ i += (GET_MODE_SIZE (GET_MODE (x)) / UNITS_PER_WORD) - 1;
+ if (WORDS_BIG_ENDIAN && GET_MODE_SIZE (GET_MODE (y)) > UNITS_PER_WORD
+ && j < FIRST_PSEUDO_REGISTER)
+ j += (GET_MODE_SIZE (GET_MODE (y)) / UNITS_PER_WORD) - 1;
+
return i == j;
}
/* If two operands must match, because they are really a single
/* Encapsulate RELOADREG so its machine mode matches what
used to be there. */
if (GET_MODE (reloadreg) != r->mode && r->mode != VOIDmode)
- reloadreg = gen_rtx (REG, r->mode, REGNO (reloadreg));
+ reloadreg = gen_lowpart_common (r->mode, reloadreg);
/* If we are putting this into a SUBREG and RELOADREG is a
SUBREG, we would be making nested SUBREGs, so we have to fix