diff options
Diffstat (limited to 'gcc/builtins.c')
| -rw-r--r-- | gcc/builtins.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/gcc/builtins.c b/gcc/builtins.c index d34cbd6..3174e75 100644 --- a/gcc/builtins.c +++ b/gcc/builtins.c @@ -4458,7 +4458,7 @@ expand_builtin_expect_jump (tree exp, rtx if_false_label, rtx if_true_label) if (TREE_CODE (TREE_TYPE (arg1)) == INTEGER_TYPE && (integer_zerop (arg1) || integer_onep (arg1))) { - rtx insn, drop_through_label; + rtx insn, drop_through_label, temp; /* Expand the jump insns. */ start_sequence (); @@ -4511,13 +4511,15 @@ expand_builtin_expect_jump (tree exp, rtx if_false_label, rtx if_true_label) if (next && GET_CODE (next) == JUMP_INSN && any_uncondjump_p (next)) - next = XEXP (SET_SRC (pc_set (next)), 0); + temp = XEXP (SET_SRC (pc_set (next)), 0); + else + temp = next; - /* NEXT is either a CODE_LABEL, NULL_RTX or something + /* TEMP is either a CODE_LABEL, NULL_RTX or something else that can't possibly match either target label. */ - if (next == if_false_label) + if (temp == if_false_label) taken = 1; - else if (next == if_true_label) + else if (temp == if_true_label) taken = 0; } else if (then_dest == pc_rtx) @@ -4527,11 +4529,13 @@ expand_builtin_expect_jump (tree exp, rtx if_false_label, rtx if_true_label) if (next && GET_CODE (next) == JUMP_INSN && any_uncondjump_p (next)) - next = XEXP (SET_SRC (pc_set (next)), 0); + temp = XEXP (SET_SRC (pc_set (next)), 0); + else + temp = next; - if (next == if_false_label) + if (temp == if_false_label) taken = 0; - else if (next == if_true_label) + else if (temp == if_true_label) taken = 1; } |