diff options
Diffstat (limited to 'gcc/rtlanal.c')
| -rw-r--r-- | gcc/rtlanal.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c index 90b55b6..4e600c0 100644 --- a/gcc/rtlanal.c +++ b/gcc/rtlanal.c @@ -3103,26 +3103,26 @@ rtx_referenced_p (const_rtx x, const_rtx body) *LABELP and the jump table to *TABLEP. LABELP and TABLEP may be NULL. */ bool -tablejump_p (const rtx_insn *insn, rtx *labelp, rtx_jump_table_data **tablep) +tablejump_p (const rtx_insn *insn, rtx_insn **labelp, + rtx_jump_table_data **tablep) { - rtx label; - rtx_insn *table; - if (!JUMP_P (insn)) return false; - label = JUMP_LABEL (insn); - if (label != NULL_RTX && !ANY_RETURN_P (label) - && (table = NEXT_INSN (as_a <rtx_insn *> (label))) != NULL_RTX - && JUMP_TABLE_DATA_P (table)) - { - if (labelp) - *labelp = label; - if (tablep) - *tablep = as_a <rtx_jump_table_data *> (table); - return true; - } - return false; + rtx target = JUMP_LABEL (insn); + if (target == NULL_RTX || ANY_RETURN_P (target)) + return false; + + rtx_insn *label = as_a<rtx_insn *> (target); + rtx_insn *table = next_insn (label); + if (table == NULL_RTX || !JUMP_TABLE_DATA_P (table)) + return false; + + if (labelp) + *labelp = label; + if (tablep) + *tablep = as_a <rtx_jump_table_data *> (table); + return true; } /* A subroutine of computed_jump_p, return 1 if X contains a REG or MEM or |