diff options
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index c5158c7..165573b 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -2043,8 +2043,17 @@ alter_reg (i, from_reg) /* If we have any adjustment to make, or if the stack slot is the wrong mode, make a new stack slot. */ - if (adjust != 0 || GET_MODE (x) != GET_MODE (regno_reg_rtx[i])) - x = adjust_address_nv (x, GET_MODE (regno_reg_rtx[i]), adjust); + x = adjust_address_nv (x, GET_MODE (regno_reg_rtx[i]), adjust); + + /* If we have a decl for the original register, set it for the + memory. If this is a shared MEM, make a copy. */ + if (REGNO_DECL (i)) + { + if (from_reg != -1 && spill_stack_slot[from_reg] == x) + x = copy_rtx (x); + + set_mem_decl (x, REGNO_DECL (i)); + } /* Save the stack slot for later. */ reg_equiv_memory_loc[i] = x; |