diff options
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index e412bef9570..73a59b58046 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -3268,6 +3268,7 @@ int active_insn_p (const_rtx insn) { return (CALL_P (insn) || JUMP_P (insn) + || JUMP_TABLE_DATA_P (insn) /* FIXME */ || (NONJUMP_INSN_P (insn) && (! reload_completed || (GET_CODE (PATTERN (insn)) != USE @@ -3900,7 +3901,7 @@ add_insn_before (rtx insn, rtx before, basic_block bb) void set_insn_deleted (rtx insn) { - if (INSN_P (insn) && !JUMP_TABLE_DATA_P (insn)) + if (INSN_P (insn)) df_insn_delete (insn); PUT_CODE (insn, NOTE); NOTE_KIND (insn) = NOTE_INSN_DELETED; @@ -3968,7 +3969,7 @@ remove_insn (rtx insn) } /* Invalidate data flow information associated with INSN. */ - if (INSN_P (insn) && !JUMP_TABLE_DATA_P (insn)) + if (INSN_P (insn)) df_insn_delete (insn); /* Fix up basic block boundaries, if necessary. */ @@ -4661,6 +4662,7 @@ emit_insn (rtx x) break; #ifdef ENABLE_RTL_CHECKING + case JUMP_TABLE_DATA: case SEQUENCE: gcc_unreachable (); break; @@ -4707,6 +4709,7 @@ emit_debug_insn (rtx x) break; #ifdef ENABLE_RTL_CHECKING + case JUMP_TABLE_DATA: case SEQUENCE: gcc_unreachable (); break; @@ -4749,6 +4752,7 @@ emit_jump_insn (rtx x) break; #ifdef ENABLE_RTL_CHECKING + case JUMP_TABLE_DATA: case SEQUENCE: gcc_unreachable (); break; @@ -4785,6 +4789,7 @@ emit_call_insn (rtx x) #ifdef ENABLE_RTL_CHECKING case SEQUENCE: + case JUMP_TABLE_DATA: gcc_unreachable (); break; #endif @@ -4809,6 +4814,20 @@ emit_label (rtx label) return label; } +/* Make an insn of code JUMP_TABLE_DATA + and add it to the end of the doubly-linked list. */ + +rtx +emit_jump_table_data (rtx table) +{ + rtx jump_table_data = rtx_alloc (JUMP_TABLE_DATA); + INSN_UID (jump_table_data) = cur_insn_uid++; + PATTERN (jump_table_data) = table; + BLOCK_FOR_INSN (jump_table_data) = NULL; + add_insn (jump_table_data); + return jump_table_data; +} + /* Make an insn of code BARRIER and add it to the end of the doubly-linked list. */ |