diff options
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/reload.c | 7 |
2 files changed, 11 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 6f81778..48cbd3a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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). diff --git a/gcc/reload.c b/gcc/reload.c index 015637e..7d42492 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -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; |