diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/builtins.c | 16 |
2 files changed, 14 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c7349b3..de15b86 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Sat Nov 3 10:37:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * builtins.c (get_memory_rtx): Properly set MEM alias set and + attributes. + 2001-11-03 Joseph S. Myers <jsm28@cam.ac.uk> * doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/tm.texi: diff --git a/gcc/builtins.c b/gcc/builtins.c index d1eeda9..ca7eb66 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -731,7 +731,6 @@ get_memory_rtx (exp) #endif mem = gen_rtx_MEM (BLKmode, memory_address (BLKmode, addr)); - set_mem_attributes (mem, exp, 0); /* Get an expression we can use to find the attributes to assign to MEM. If it is an ADDR_EXPR, use the operand. Otherwise, dereference it if @@ -742,14 +741,17 @@ get_memory_rtx (exp) exp = TREE_OPERAND (exp, 0); if (TREE_CODE (exp) == ADDR_EXPR) - exp = TREE_OPERAND (exp, 0); + { + exp = TREE_OPERAND (exp, 0); + set_mem_attributes (mem, exp, 0); + } else if (POINTER_TYPE_P (TREE_TYPE (exp))) - exp = build1 (INDIRECT_REF, TREE_TYPE (TREE_TYPE (exp)), exp); - else - return mem; + { + exp = build1 (INDIRECT_REF, TREE_TYPE (TREE_TYPE (exp)), exp); + /* memcpy, memset and other builtin stringops can alias with anything. */ + set_mem_alias_set (mem, 0); + } - /* memcpy, memset and other builtin stringops can alias with anything. */ - set_mem_alias_set (mem, 0); return mem; } |