diff options
Diffstat (limited to 'gcc/c-semantics.c')
| -rw-r--r-- | gcc/c-semantics.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/c-semantics.c b/gcc/c-semantics.c index 030a04cb009..32fae448210 100644 --- a/gcc/c-semantics.c +++ b/gcc/c-semantics.c @@ -36,6 +36,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include "expr.h" #include "output.h" #include "timevar.h" +#include "predict.h" /* If non-NULL, the address of a language-specific function for expanding statements. */ @@ -834,6 +835,14 @@ expand_stmt (t) break; case GOTO_STMT: + /* Emit information for branch prediction. */ + if (!GOTO_FAKE_P (t) + && TREE_CODE (GOTO_DESTINATION (t)) == LABEL_DECL) + { + rtx note = emit_note (NULL, NOTE_INSN_PREDICTION); + + NOTE_PREDICTION (note) = NOTE_PREDICT (PRED_GOTO, NOT_TAKEN); + } genrtl_goto_stmt (GOTO_DESTINATION (t)); break; |