diff options
Diffstat (limited to 'gcc/predict.c')
| -rw-r--r-- | gcc/predict.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/predict.c b/gcc/predict.c index ab2dc8e..80a8d68 100644 --- a/gcc/predict.c +++ b/gcc/predict.c @@ -2467,6 +2467,13 @@ expr_expected_value_1 (tree type, tree op0, enum tree_code code, base = build_real_from_int_cst (t, base); tree r = fold_build2_initializer_loc (UNKNOWN_LOCATION, MULT_EXPR, t, prob, base); + if (TREE_CODE (r) != REAL_CST) + { + error_at (gimple_location (def), + "probability argument %qE must be a compile " + "time constant", prob); + return NULL; + } HOST_WIDE_INT probi = real_to_integer (TREE_REAL_CST_PTR (r)); if (probi >= 0 && probi <= REG_BR_PROB_BASE) @@ -2474,6 +2481,11 @@ expr_expected_value_1 (tree type, tree op0, enum tree_code code, *predictor = PRED_BUILTIN_EXPECT_WITH_PROBABILITY; *probability = probi; } + else + error_at (gimple_location (def), + "probability argument %qE must be a in the " + "range 0.0 to 1.0", prob); + return gimple_call_arg (def, 1); } |