diff options
Diffstat (limited to 'gcc/integrate.c')
| -rw-r--r-- | gcc/integrate.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/integrate.c b/gcc/integrate.c index f26a94c..7a18658 100644 --- a/gcc/integrate.c +++ b/gcc/integrate.c @@ -736,6 +736,14 @@ expand_inline_function (fndecl, parms, target, ignore, type, return (rtx) (size_t) -1; } + /* If there is a TARGET which is a readonly BLKmode MEM and DECL_RESULT + is also a mem, we are going to lose the readonly on the stores, so don't + inline. */ + if (target != 0 && GET_CODE (target) == MEM && GET_MODE (target) == BLKmode + && RTX_UNCHANGING_P (target) && DECL_RTL_SET_P (DECL_RESULT (fndecl)) + && GET_CODE (DECL_RTL (DECL_RESULT (fndecl))) == MEM) + return (rtx) (size_t) -1; + /* Extra arguments are valid, but will be ignored below, so we must evaluate them here for side-effects. */ for (; actual; actual = TREE_CHAIN (actual)) |