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reload.c (operands_match_p): Only increment register number for SCALAR_INT_MODE_P modes in multiple hard... 

* reload.c (operands_match_p): Only increment register number for
        SCALAR_INT_MODE_P modes in multiple hard registers.

From-SVN: r95519
This commit is contained in:
David Edelsohn 2005-02-24 22:06:06 +00:00 committed by David Edelsohn
parent 2054fc29c2
commit b436d71257
2 changed files with 11 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2005-02-24 David Edelsohn <edelsohn@gnu.org>
PR target/19019
* reload.c (operands_match_p): Only increment register number for
SCALAR_INT_MODE_P modes in multiple hard registers.
2005-02-24 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
* ChangeLog.5: Fix log message typo(s).

7
gcc/reload.c
View File

@ -2160,12 +2160,15 @@ operands_match_p (rtx x, rtx y)
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. */
multiple hard register group of scalar integer registers, 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
&& SCALAR_INT_MODE_P (GET_MODE (x))
&& i < FIRST_PSEUDO_REGISTER)
i += hard_regno_nregs[i][GET_MODE (x)] - 1;
if (WORDS_BIG_ENDIAN && GET_MODE_SIZE (GET_MODE (y)) > UNITS_PER_WORD
&& SCALAR_INT_MODE_P (GET_MODE (y))
&& j < FIRST_PSEUDO_REGISTER)
j += hard_regno_nregs[j][GET_MODE (y)] - 1;