diff options
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index a2a42c6..1bc8aaf 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -3289,13 +3289,16 @@ emit_cmp_and_jump_insns (x, y, comparison, size, mode, unsignedp, align, label) { rtx op0; rtx op1; - - if (swap_commutative_operands_p (x, y)) + + /* We may not swap in the general case, since this is called from + compare_from_rtx, and we have no way of reporting the changed + comparison code. */ + if (comparison == swap_condition (comparison) + && swap_commutative_operands_p (x, y)) { /* Swap operands and condition to ensure canonical RTL. */ op0 = y; op1 = x; - comparison = swap_condition (comparison); } else { |