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-rw-r--r--gcc/fold-const.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c
index 0f57f07..3258aad 100644
--- a/gcc/fold-const.c
+++ b/gcc/fold-const.c
@@ -1622,6 +1622,7 @@ const_binop (enum tree_code code, tree type, tree arg1, tree arg2)
case VEC_PACK_TRUNC_EXPR:
case VEC_PACK_FIX_TRUNC_EXPR:
+ case VEC_PACK_FLOAT_EXPR:
{
unsigned int HOST_WIDE_INT out_nelts, in_nelts, i;
@@ -1643,7 +1644,9 @@ const_binop (enum tree_code code, tree type, tree arg1, tree arg2)
? VECTOR_CST_ELT (arg1, i)
: VECTOR_CST_ELT (arg2, i - in_nelts));
elt = fold_convert_const (code == VEC_PACK_TRUNC_EXPR
- ? NOP_EXPR : FIX_TRUNC_EXPR,
+ ? NOP_EXPR
+ : code == VEC_PACK_FLOAT_EXPR
+ ? FLOAT_EXPR : FIX_TRUNC_EXPR,
TREE_TYPE (type), elt);
if (elt == NULL_TREE || !CONSTANT_CLASS_P (elt))
return NULL_TREE;
@@ -1817,6 +1820,8 @@ const_unop (enum tree_code code, tree type, tree arg0)
case VEC_UNPACK_HI_EXPR:
case VEC_UNPACK_FLOAT_LO_EXPR:
case VEC_UNPACK_FLOAT_HI_EXPR:
+ case VEC_UNPACK_FIX_TRUNC_LO_EXPR:
+ case VEC_UNPACK_FIX_TRUNC_HI_EXPR:
{
unsigned HOST_WIDE_INT out_nelts, in_nelts, i;
enum tree_code subcode;
@@ -1831,13 +1836,17 @@ const_unop (enum tree_code code, tree type, tree arg0)
unsigned int offset = 0;
if ((!BYTES_BIG_ENDIAN) ^ (code == VEC_UNPACK_LO_EXPR
- || code == VEC_UNPACK_FLOAT_LO_EXPR))
+ || code == VEC_UNPACK_FLOAT_LO_EXPR
+ || code == VEC_UNPACK_FIX_TRUNC_LO_EXPR))
offset = out_nelts;
if (code == VEC_UNPACK_LO_EXPR || code == VEC_UNPACK_HI_EXPR)
subcode = NOP_EXPR;
- else
+ else if (code == VEC_UNPACK_FLOAT_LO_EXPR
+ || code == VEC_UNPACK_FLOAT_HI_EXPR)
subcode = FLOAT_EXPR;
+ else
+ subcode = FIX_TRUNC_EXPR;
tree_vector_builder elts (type, out_nelts, 1);
for (i = 0; i < out_nelts; i++)