diff options
Diffstat (limited to 'gcc/lra-constraints.c')
| -rw-r--r-- | gcc/lra-constraints.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/lra-constraints.c b/gcc/lra-constraints.c index 5ada67a..7b0d2f4 100644 --- a/gcc/lra-constraints.c +++ b/gcc/lra-constraints.c @@ -1505,15 +1505,15 @@ simplify_operand_subreg (int nop, machine_mode reg_mode) MEM_ADDR_SPACE (subst)))) { /* If we change the address for a paradoxical subreg of memory, the - address might violate the necessary alignment or the access might - be slow. So take this into consideration. We need not worry + new address might violate the necessary alignment or the access + might be slow; take this into consideration. We need not worry about accesses beyond allocated memory for paradoxical memory subregs as we don't substitute such equiv memory (see processing equivalences in function lra_constraints) and because for spilled pseudos we allocate stack memory enough for the biggest corresponding paradoxical subreg. */ - if (!(MEM_ALIGN (reg) < GET_MODE_ALIGNMENT (mode) - && SLOW_UNALIGNED_ACCESS (mode, MEM_ALIGN (reg))) + if (!(MEM_ALIGN (subst) < GET_MODE_ALIGNMENT (mode) + && SLOW_UNALIGNED_ACCESS (mode, MEM_ALIGN (subst))) || (MEM_ALIGN (reg) < GET_MODE_ALIGNMENT (innermode) && SLOW_UNALIGNED_ACCESS (innermode, MEM_ALIGN (reg)))) return true; |