diff options
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index d581513..3b975cc 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -1533,9 +1533,12 @@ simplify_operand_subreg (int nop, machine_mode reg_mode) a word. If valid memory becomes invalid after subreg elimination - we still have to reload memory. + and address might be different we still have to reload + memory. */ - if ((! addr_was_valid || addr_is_valid) + if ((! addr_was_valid + || addr_is_valid + || known_eq (GET_MODE_SIZE (mode), GET_MODE_SIZE (innermode))) && !(maybe_ne (GET_MODE_PRECISION (mode), GET_MODE_PRECISION (innermode)) && known_le (GET_MODE_SIZE (mode), UNITS_PER_WORD) |