diff options
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 37bd66587d8..606b76b2e0f 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -606,6 +606,33 @@ gen_const_mem (enum machine_mode mode, rtx addr) return mem; } +/* APPLE LOCAL begin mainline 2006-02-17 4356747 stack realign */ +/* Generate a MEM referring to fixed portions of the frame, e.g., register + save areas. */ + +rtx +gen_frame_mem (enum machine_mode mode, rtx addr) +{ + rtx mem = gen_rtx_MEM (mode, addr); + MEM_NOTRAP_P (mem) = 1; + set_mem_alias_set (mem, get_frame_alias_set ()); + return mem; +} + +/* Generate a MEM referring to a temporary use of the stack, not part + of the fixed stack frame. For example, something which is pushed + by a target splitter. */ +rtx +gen_tmp_stack_mem (enum machine_mode mode, rtx addr) +{ + rtx mem = gen_rtx_MEM (mode, addr); + MEM_NOTRAP_P (mem) = 1; + if (!current_function_calls_alloca) + set_mem_alias_set (mem, get_frame_alias_set ()); + return mem; +} +/* APPLE LOCAL end mainline 2006-02-17 4356747 stack realign */ + /* We want to create (subreg:OMODE (obj:IMODE) OFFSET). Return true if this construct would be valid, and false otherwise. */ |