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Revert "tree-optimization/114921 - _Float16 -> __bf16 isn't noop"

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This reverts commit fa7e05d90b.
This commit is contained in:
Richard Biener
2024-05-03 16:03:14 +02:00
parent d7c06a80b5
commit db447ec808
1 changed files with 8 additions and 11 deletions
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19
gcc/tree-vect-stmts.cc
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@@ -5955,17 +5955,14 @@ vectorizable_assignment (vec_info *vinfo,
if (!vectype_in)
vectype_in = get_vectype_for_scalar_type (vinfo, TREE_TYPE (op), slp_node);
/* We can handle VIEW_CONVERT conversions that do not change the number
of elements or the vector size or other conversions when the component
mode keeps the same. */
if (!vectype_in
|| maybe_ne (TYPE_VECTOR_SUBPARTS (vectype_in), nunits)
|| (code == VIEW_CONVERT_EXPR
&& maybe_ne (GET_MODE_SIZE (TYPE_MODE (vectype)),
GET_MODE_SIZE (TYPE_MODE (vectype_in))))
|| (CONVERT_EXPR_CODE_P (code)
&& (TYPE_MODE (TREE_TYPE (vectype))
!= TYPE_MODE (TREE_TYPE (vectype_in)))))
/* We can handle NOP_EXPR conversions that do not change the number
of elements or the vector size. */
if ((CONVERT_EXPR_CODE_P (code)
|| code == VIEW_CONVERT_EXPR)
&& (!vectype_in
|| maybe_ne (TYPE_VECTOR_SUBPARTS (vectype_in), nunits)
|| maybe_ne (GET_MODE_SIZE (TYPE_MODE (vectype)),
GET_MODE_SIZE (TYPE_MODE (vectype_in)))))
return false;
if (VECTOR_BOOLEAN_TYPE_P (vectype) != VECTOR_BOOLEAN_TYPE_P (vectype_in))