diff options
Diffstat (limited to 'gcc/tree.def')
| -rw-r--r-- | gcc/tree.def | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/tree.def b/gcc/tree.def index 608d950b20e..051ecd4897e 100644 --- a/gcc/tree.def +++ b/gcc/tree.def @@ -308,11 +308,14 @@ DEFTREECODE (COMPLEX_CST, "complex_cst", tcc_constant, 0) DEFTREECODE (VECTOR_CST, "vector_cst", tcc_constant, 0) /* Represents a vector constant in which every element is equal to - VEC_DUPLICATE_CST_ELT. */ + VEC_DUPLICATE_CST_ELT. This is only ever used for variable-length + vectors; fixed-length vectors must use VECTOR_CST instead. */ DEFTREECODE (VEC_DUPLICATE_CST, "vec_duplicate_cst", tcc_constant, 0) /* Represents a vector constant in which element i is equal to - VEC_SERIES_CST_BASE + i * VEC_SERIES_CST_STEP. */ + VEC_SERIES_CST_BASE + i * VEC_SERIES_CST_STEP. This is only ever + used for variable-length vectors; fixed-length vectors must use + VECTOR_CST instead. */ DEFTREECODE (VEC_SERIES_CST, "vec_series_cst", tcc_constant, 0) /* Contents are TREE_STRING_LENGTH and the actual contents of the string. */ |