diff options
Diffstat (limited to 'gcc/reload.c')
| -rw-r--r-- | gcc/reload.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index ed70d00492e..9eae9ff7bfc 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -2144,12 +2144,15 @@ 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; |