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| author | Marc Glisse <marc.glisse@inria.fr> | 2018-10-02 16:55:39 +0200 |
|---|---|---|
| committer | Marc Glisse <glisse@gcc.gnu.org> | 2018-10-02 14:55:39 +0000 |
| commit | 057cf66ca3d290e0f68f66eba0e43379cb77f870 (patch) | |
| tree | 52902674b39218ed120fa87d82c33c2a8886a334 | |
| parent | a1c3d798efbf20497bfb6584c9a780dc24996ee1 (diff) | |
| download | gcc-057cf66ca3d290e0f68f66eba0e43379cb77f870.zip gcc-057cf66ca3d290e0f68f66eba0e43379cb77f870.tar.gz gcc-057cf66ca3d290e0f68f66eba0e43379cb77f870.tar.bz2 | |
No a*x+b*x factorization for signed vectors
2018-10-02 Marc Glisse <marc.glisse@inria.fr>
PR middle-end/87319
* fold-const.c (fold_plusminus_mult_expr): Handle complex and vectors.
* tree.c (signed_or_unsigned_type_for): Handle complex.
From-SVN: r264790
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/fold-const.c | 2 | ||||
| -rw-r--r-- | gcc/tree.c | 13 |
3 files changed, 19 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 59a01f8..236f70c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2018-10-02 Marc Glisse <marc.glisse@inria.fr> + + PR middle-end/87319 + * fold-const.c (fold_plusminus_mult_expr): Handle complex and vectors. + * tree.c (signed_or_unsigned_type_for): Handle complex. + 2018-10-02 Jeff Law <law@redhat.com> * gimple-fold.c (get_range_strlen): Remove dead code. diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 3a6d1b1..59cedea 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -7143,7 +7143,7 @@ fold_plusminus_mult_expr (location_t loc, enum tree_code code, tree type, if (!same) return NULL_TREE; - if (! INTEGRAL_TYPE_P (type) + if (! ANY_INTEGRAL_TYPE_P (type) || TYPE_OVERFLOW_WRAPS (type) /* We are neither factoring zero nor minus one. */ || TREE_CODE (same) == INTEGER_CST) @@ -11209,7 +11209,7 @@ int_cst_value (const_tree x) tree signed_or_unsigned_type_for (int unsignedp, tree type) { - if (TREE_CODE (type) == INTEGER_TYPE && TYPE_UNSIGNED (type) == unsignedp) + if (ANY_INTEGRAL_TYPE_P (type) && TYPE_UNSIGNED (type) == unsignedp) return type; if (TREE_CODE (type) == VECTOR_TYPE) @@ -11223,6 +11223,17 @@ signed_or_unsigned_type_for (int unsignedp, tree type) return build_vector_type (inner2, TYPE_VECTOR_SUBPARTS (type)); } + if (TREE_CODE (type) == COMPLEX_TYPE) + { + tree inner = TREE_TYPE (type); + tree inner2 = signed_or_unsigned_type_for (unsignedp, inner); + if (!inner2) + return NULL_TREE; + if (inner == inner2) + return type; + return build_complex_type (inner2); + } + if (!INTEGRAL_TYPE_P (type) && !POINTER_TYPE_P (type) && TREE_CODE (type) != OFFSET_TYPE) |