diff options
Diffstat (limited to 'gcc/varasm.c')
| -rw-r--r-- | gcc/varasm.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/gcc/varasm.c b/gcc/varasm.c index 98bbb9e3260..a8d23f20207 100644 --- a/gcc/varasm.c +++ b/gcc/varasm.c @@ -118,12 +118,8 @@ char *unlikely_section_label = NULL; char *unlikely_text_section_name = NULL; -/* RTX_UNCHANGING_P in a MEM can mean it is stored into, for initialization. - So giving constant the alias set for the type will allow such - initializations to appear to conflict with the load of the constant. We - avoid this by giving all constants an alias set for just constants. - Since there will be no stores to that alias set, nothing will ever - conflict with them. */ +/* We give all constants their own alias set. Perhaps redundant with + MEM_READONLY_P, but pre-dates it. */ static HOST_WIDE_INT const_alias_set; @@ -2947,7 +2943,7 @@ force_const_mem (enum machine_mode mode, rtx x) /* Construct the MEM. */ desc->mem = def = gen_rtx_MEM (mode, symbol); set_mem_attributes (def, lang_hooks.types.type_for_mode (mode, 0), 1); - RTX_UNCHANGING_P (def) = 1; + MEM_READONLY_P (def) = 1; /* If we're dropping a label to the constant pool, make sure we don't delete it. */ |