diff options
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index c754544f10f..b65d6002f2b 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -4070,9 +4070,11 @@ emit_cmp_and_jump_insns (rtx x, rtx y, enum rtx_code comparison, rtx size, /* Swap operands and condition to ensure canonical RTL. */ if (swap_commutative_operands_p (x, y)) { - /* If we're not emitting a branch, this means some caller - is out of sync. */ - gcc_assert (label); + /* If we're not emitting a branch, callers are required to pass + operands in an order conforming to canonical RTL. We relax this + for commutative comparsions so callers using EQ don't need to do + swapping by hand. */ + gcc_assert (label || (comparison == swap_condition (comparison))); op0 = y, op1 = x; comparison = swap_condition (comparison); |