diff options
Diffstat (limited to 'gcc/reg-stack.c')
-rw-r--r-- | gcc/reg-stack.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index be94936..217c43e 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -1355,9 +1355,9 @@ subst_stack_regs_pat (rtx insn, stack regstack, rtx pat) } /* Uninitialized USE might happen for functions returning uninitialized value. We will properly initialize the USE on the edge to EXIT_BLOCK, - so it is safe to ignore the use here. This is consistent with behaviour + so it is safe to ignore the use here. This is consistent with behavior of dataflow analyzer that ignores USE too. (This also imply that - forcingly initializing the register to NaN here would lead to ICE later, + forcibly initializing the register to NaN here would lead to ICE later, since the REG_DEAD notes are not issued.) */ break; |