diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/expr.c | 7 |
2 files changed, 10 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 20c4ab6..dc980a9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2017-11-27 Markus Trippelsdorf <markus@trippelsdorf.de> + + PR rtl-optimization/82488 + * expr.c (fixup_args_size_notes): Avoid signed integer overflow. + 2017-11-26 Julia Koval <julia.koval@intel.com> * config/i386/i386.c (processor_target_table): Add skylake_cost for @@ -4100,10 +4100,13 @@ fixup_args_size_notes (rtx_insn *prev, rtx_insn *last, int end_args_size) if (STACK_GROWS_DOWNWARD) this_delta = -(unsigned HOST_WIDE_INT) this_delta; - args_size -= this_delta; + if (saw_unknown) + args_size = INT_MIN; + else + args_size -= this_delta; } - return saw_unknown ? INT_MIN : args_size; + return args_size; } #ifdef PUSH_ROUNDING |