diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/gcc/function.c b/gcc/function.c index c469ab9..c3702fb 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -5527,6 +5527,20 @@ emit_return_into_block (bool simple_p, basic_block bb) } #endif +/* Set JUMP_LABEL for a return insn. */ + +void +set_return_jump_label (rtx returnjump) +{ + rtx pat = PATTERN (returnjump); + if (GET_CODE (pat) == PARALLEL) + pat = XVECEXP (pat, 0, 0); + if (ANY_RETURN_P (pat)) + JUMP_LABEL (returnjump) = pat; + else + JUMP_LABEL (returnjump) = ret_rtx; +} + /* Return true if BB has any active insns. */ static bool bb_active_p (basic_block bb) @@ -6062,7 +6076,7 @@ thread_prologue_and_epilogue_insns (void) emit_return_into_block (false, last_bb); epilogue_end = BB_END (last_bb); if (JUMP_P (epilogue_end)) - JUMP_LABEL (epilogue_end) = ret_rtx; + set_return_jump_label (epilogue_end); single_succ_edge (last_bb)->flags &= ~EDGE_FALLTHRU; goto epilogue_done; } @@ -6127,15 +6141,7 @@ thread_prologue_and_epilogue_insns (void) inserted = true; if (JUMP_P (returnjump)) - { - rtx pat = PATTERN (returnjump); - if (GET_CODE (pat) == PARALLEL) - pat = XVECEXP (pat, 0, 0); - if (ANY_RETURN_P (pat)) - JUMP_LABEL (returnjump) = pat; - else - JUMP_LABEL (returnjump) = ret_rtx; - } + set_return_jump_label (returnjump); } else #endif |