diff options
Diffstat (limited to 'gcc/optabs.c')
| -rw-r--r-- | gcc/optabs.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/optabs.c b/gcc/optabs.c index dcb4df5f04b..c2f9863ceb6 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -2049,7 +2049,10 @@ expand_vector_unop (mode, unoptab, op0, target, unsignedp) submode = tmode; } /* If there is no negate operation, try doing a subtract from zero. */ - if (unoptab == neg_optab && GET_MODE_CLASS (submode) == MODE_INT) + if (unoptab == neg_optab && GET_MODE_CLASS (submode) == MODE_INT + /* Avoid infinite recursion when an + error has left us with the wrong mode. */ + && GET_MODE (op0) == mode) { rtx temp; temp = expand_binop (mode, sub_optab, CONST0_RTX (mode), op0, |