diff options
Diffstat (limited to 'gcc/loop-doloop.c')
| -rw-r--r-- | gcc/loop-doloop.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/gcc/loop-doloop.c b/gcc/loop-doloop.c index 280abdd..3fcb79d 100644 --- a/gcc/loop-doloop.c +++ b/gcc/loop-doloop.c @@ -244,14 +244,18 @@ add_test (rtx cond, basic_block bb, basic_block dest) do_compare_rtx_and_jump (op0, op1, code, 0, mode, NULL_RTX, NULL_RTX, label); jump = get_last_insn (); - JUMP_LABEL (jump) = label; + /* It is possible for the jump to be optimized out. */ + if (JUMP_P (jump)) + { + JUMP_LABEL (jump) = label; - /* The jump is supposed to handle an unlikely special case. */ - REG_NOTES (jump) - = gen_rtx_EXPR_LIST (REG_BR_PROB, - const0_rtx, REG_NOTES (jump)); + /* The jump is supposed to handle an unlikely special case. */ + REG_NOTES (jump) + = gen_rtx_EXPR_LIST (REG_BR_PROB, + const0_rtx, REG_NOTES (jump)); - LABEL_NUSES (label)++; + LABEL_NUSES (label)++; + } seq = get_insns (); end_sequence (); |