This is a rebase of Joel's previous patch.
This patch removes the old widen plus/minus tree codes which have been
replaced by internal functions.
gcc/ChangeLog:
2023-04-28 Andre Vieira <andre.simoesdiasvie...@arm.com>
Joel Hutton <joel.hut...@arm.com>
* doc/generic.texi: Remove old tree codes.
* expr.cc (expand_expr_real_2): Remove old tree code cases.
* gimple-pretty-print.cc (dump_binary_rhs): Likewise.
* optabs-tree.cc (optab_for_tree_code): Likewise.
(supportable_half_widening_operation): Likewise.
* tree-cfg.cc (verify_gimple_assign_binary): Likewise.
* tree-inline.cc (estimate_operator_cost): Likewise.
(op_symbol_code): Likewise.
* tree-vect-data-refs.cc (vect_get_smallest_scalar_type): Likewise.
(vect_analyze_data_ref_accesses): Likewise.
* tree-vect-generic.cc (expand_vector_operations_1): Likewise.
* cfgexpand.cc (expand_debug_expr): Likewise.
* tree-vect-stmts.cc (vectorizable_conversion): Likewise.
(supportable_widening_operation): Likewise.
* gimple-range-op.cc (gimple_range_op_handler::maybe_non_standard):
Likewise.
* tree-vect-patterns.cc (vect_widened_op_tree): Refactor to replace
usage in vect_recog_sad_pattern.
(vect_recog_sad_pattern): Replace tree code widening pattern with
internal function.
(vect_recog_average_pattern): Likewise.
* tree-pretty-print.cc (dump_generic_node): Remove tree code definition.
* tree.def (WIDEN_PLUS_EXPR, WIDEN_MINUS_EXPR, VEC_WIDEN_PLUS_HI_EXPR,
VEC_WIDEN_PLUS_LO_EXPR, VEC_WIDEN_MINUS_HI_EXPR,
VEC_WIDEN_MINUS_LO_EXPR): Likewise
diff --git a/gcc/cfgexpand.cc b/gcc/cfgexpand.cc
index
1a1b26b1c6c23ce273bcd08dc9a973f777174007..25b1558dcb941ea491a19aeeb2cd8f4d2dbdf7c6
100644
--- a/gcc/cfgexpand.cc
+++ b/gcc/cfgexpand.cc
@@ -5365,10 +5365,6 @@ expand_debug_expr (tree exp)
case VEC_WIDEN_MULT_ODD_EXPR:
case VEC_WIDEN_LSHIFT_HI_EXPR:
case VEC_WIDEN_LSHIFT_LO_EXPR:
- case VEC_WIDEN_PLUS_HI_EXPR:
- case VEC_WIDEN_PLUS_LO_EXPR:
- case VEC_WIDEN_MINUS_HI_EXPR:
- case VEC_WIDEN_MINUS_LO_EXPR:
case VEC_PERM_EXPR:
case VEC_DUPLICATE_EXPR:
case VEC_SERIES_EXPR:
@@ -5405,8 +5401,6 @@ expand_debug_expr (tree exp)
case WIDEN_MULT_EXPR:
case WIDEN_MULT_PLUS_EXPR:
case WIDEN_MULT_MINUS_EXPR:
- case WIDEN_PLUS_EXPR:
- case WIDEN_MINUS_EXPR:
if (SCALAR_INT_MODE_P (GET_MODE (op0))
&& SCALAR_INT_MODE_P (mode))
{
@@ -5419,10 +5413,6 @@ expand_debug_expr (tree exp)
op1 = simplify_gen_unary (ZERO_EXTEND, mode, op1, inner_mode);
else
op1 = simplify_gen_unary (SIGN_EXTEND, mode, op1, inner_mode);
- if (TREE_CODE (exp) == WIDEN_PLUS_EXPR)
- return simplify_gen_binary (PLUS, mode, op0, op1);
- else if (TREE_CODE (exp) == WIDEN_MINUS_EXPR)
- return simplify_gen_binary (MINUS, mode, op0, op1);
op0 = simplify_gen_binary (MULT, mode, op0, op1);
if (TREE_CODE (exp) == WIDEN_MULT_EXPR)
return op0;
diff --git a/gcc/doc/generic.texi b/gcc/doc/generic.texi
index
2c14b7abce2db0a3da0a21e916907947cb56a265..3816abaaf4d364d604a44942317f96f3f303e5b6
100644
--- a/gcc/doc/generic.texi
+++ b/gcc/doc/generic.texi
@@ -1811,10 +1811,6 @@ a value from @code{enum annot_expr_kind}, the third is
an @code{INTEGER_CST}.
@tindex VEC_RSHIFT_EXPR
@tindex VEC_WIDEN_MULT_HI_EXPR
@tindex VEC_WIDEN_MULT_LO_EXPR
-@tindex VEC_WIDEN_PLUS_HI_EXPR
-@tindex VEC_WIDEN_PLUS_LO_EXPR
-@tindex VEC_WIDEN_MINUS_HI_EXPR
-@tindex VEC_WIDEN_MINUS_LO_EXPR
@tindex VEC_UNPACK_HI_EXPR
@tindex VEC_UNPACK_LO_EXPR
@tindex VEC_UNPACK_FLOAT_HI_EXPR
@@ -1861,33 +1857,6 @@ vector of @code{N/2} products. In the case of
@code{VEC_WIDEN_MULT_LO_EXPR} the
low @code{N/2} elements of the two vector are multiplied to produce the
vector of @code{N/2} products.
-@item VEC_WIDEN_PLUS_HI_EXPR
-@itemx VEC_WIDEN_PLUS_LO_EXPR
-These nodes represent widening vector addition of the high and low parts of
-the two input vectors, respectively. Their operands are vectors that contain
-the same number of elements (@code{N}) of the same integral type. The result
-is a vector that contains half as many elements, of an integral type whose size
-is twice as wide. In the case of @code{VEC_WIDEN_PLUS_HI_EXPR} the high
-@code{N/2} elements of the two vectors are added to produce the vector of
-@code{N/2} products. In the case of @code{VEC_WIDEN_PLUS_LO_EXPR} the low
-@code{N/2} elements of the two vectors are added to produce the vector of
-@code{N/2} products.
-
-@item VEC_WIDEN_MINUS_HI_EXPR
-@itemx VEC_WIDEN_MINUS_LO_EXPR
-These nodes represent widening vector subtraction of the high and low parts of
-the two input vectors, respectively. Their operands are vectors that contain
-the same number of elements (@code{N}) of the same integral type. The high/low
-elements of the second vector are subtracted from the high/low elements of the
-first. The result is a vector that contains half as many elements, of an
-integral type whose size is twice as wide. In the case of
-@code{VEC_WIDEN_MINUS_HI_EXPR} the high @code{N/2} elements of the second
-vector are subtracted from the high @code{N/2} of the first to produce the
-vector of @code{N/2} products. In the case of
-@code{VEC_WIDEN_MINUS_LO_EXPR} the low @code{N/2} elements of the second
-vector are subtracted from the low @code{N/2} of the first to produce the
-vector of @code{N/2} products.
-
@item VEC_UNPACK_HI_EXPR
@itemx VEC_UNPACK_LO_EXPR
These nodes represent unpacking of the high and low parts of the input vector,
diff --git a/gcc/expr.cc b/gcc/expr.cc
index
f8f5cc5a6ca67f291b3c8b7246d593c0be80272f..454d1391b19a7d2aa53f0a88876d1eaf0494de51
100644
--- a/gcc/expr.cc
+++ b/gcc/expr.cc
@@ -9601,8 +9601,6 @@ expand_expr_real_2 (sepops ops, rtx target, machine_mode
tmode,
target, unsignedp);
return target;
- case WIDEN_PLUS_EXPR:
- case WIDEN_MINUS_EXPR:
case WIDEN_MULT_EXPR:
/* If first operand is constant, swap them.
Thus the following special case checks need only
@@ -10380,10 +10378,6 @@ expand_expr_real_2 (sepops ops, rtx target,
machine_mode tmode,
return temp;
}
- case VEC_WIDEN_PLUS_HI_EXPR:
- case VEC_WIDEN_PLUS_LO_EXPR:
- case VEC_WIDEN_MINUS_HI_EXPR:
- case VEC_WIDEN_MINUS_LO_EXPR:
case VEC_WIDEN_MULT_HI_EXPR:
case VEC_WIDEN_MULT_LO_EXPR:
case VEC_WIDEN_MULT_EVEN_EXPR:
diff --git a/gcc/gimple-pretty-print.cc b/gcc/gimple-pretty-print.cc
index
300e9d7ed1e7be73f30875e08c461a8880c3134e..d903826894e7f0dfd34dc0caad92eea3caa45e05
100644
--- a/gcc/gimple-pretty-print.cc
+++ b/gcc/gimple-pretty-print.cc
@@ -459,10 +459,6 @@ dump_binary_rhs (pretty_printer *buffer, const gassign
*gs, int spc,
case VEC_PACK_FLOAT_EXPR:
case VEC_WIDEN_LSHIFT_HI_EXPR:
case VEC_WIDEN_LSHIFT_LO_EXPR:
- case VEC_WIDEN_PLUS_HI_EXPR:
- case VEC_WIDEN_PLUS_LO_EXPR:
- case VEC_WIDEN_MINUS_HI_EXPR:
- case VEC_WIDEN_MINUS_LO_EXPR:
case VEC_SERIES_EXPR:
for (p = get_tree_code_name (code); *p; p++)
pp_character (buffer, TOUPPER (*p));
diff --git a/gcc/gimple-range-op.cc b/gcc/gimple-range-op.cc
index
4ca32a7b5d52f8426b09d1446a336650e143b41f..5ae7f7596c6fc6f901e4e47ae44f00185f4602b2
100644
--- a/gcc/gimple-range-op.cc
+++ b/gcc/gimple-range-op.cc
@@ -797,12 +797,6 @@ gimple_range_op_handler::maybe_non_standard ()
if (gimple_code (m_stmt) == GIMPLE_ASSIGN)
switch (gimple_assign_rhs_code (m_stmt))
{
- case WIDEN_PLUS_EXPR:
- {
- signed_op = ptr_op_widen_plus_signed;
- unsigned_op = ptr_op_widen_plus_unsigned;
- }
- gcc_fallthrough ();
case WIDEN_MULT_EXPR:
{
m_valid = false;
diff --git a/gcc/optabs-tree.cc b/gcc/optabs-tree.cc
index
8010046c6a8b3e809c989ddef7a06ddaa68ae32a..ee1aa8c9676ee9c67edbf403e6295da391826a62
100644
--- a/gcc/optabs-tree.cc
+++ b/gcc/optabs-tree.cc
@@ -190,22 +190,6 @@ optab_for_tree_code (enum tree_code code, const_tree type,
return (TYPE_UNSIGNED (type)
? vec_widen_ushiftl_lo_optab : vec_widen_sshiftl_lo_optab);
- case VEC_WIDEN_PLUS_LO_EXPR:
- return (TYPE_UNSIGNED (type)
- ? vec_widen_uaddl_lo_optab : vec_widen_saddl_lo_optab);
-
- case VEC_WIDEN_PLUS_HI_EXPR:
- return (TYPE_UNSIGNED (type)
- ? vec_widen_uaddl_hi_optab : vec_widen_saddl_hi_optab);
-
- case VEC_WIDEN_MINUS_LO_EXPR:
- return (TYPE_UNSIGNED (type)
- ? vec_widen_usubl_lo_optab : vec_widen_ssubl_lo_optab);
-
- case VEC_WIDEN_MINUS_HI_EXPR:
- return (TYPE_UNSIGNED (type)
- ? vec_widen_usubl_hi_optab : vec_widen_ssubl_hi_optab);
-
case VEC_UNPACK_HI_EXPR:
return (TYPE_UNSIGNED (type)
? vec_unpacku_hi_optab : vec_unpacks_hi_optab);
@@ -312,8 +296,6 @@ optab_for_tree_code (enum tree_code code, const_tree type,
'hi'/'lo' pair using codes such as VEC_WIDEN_MINUS_HI/LO.
Supported widening operations:
- WIDEN_MINUS_EXPR
- WIDEN_PLUS_EXPR
WIDEN_MULT_EXPR
WIDEN_LSHIFT_EXPR
@@ -345,12 +327,6 @@ supportable_half_widening_operation (enum tree_code code,
tree vectype_out,
case WIDEN_LSHIFT_EXPR:
*code1 = LSHIFT_EXPR;
break;
- case WIDEN_MINUS_EXPR:
- *code1 = MINUS_EXPR;
- break;
- case WIDEN_PLUS_EXPR:
- *code1 = PLUS_EXPR;
- break;
case WIDEN_MULT_EXPR:
*code1 = MULT_EXPR;
break;
diff --git a/gcc/tree-cfg.cc b/gcc/tree-cfg.cc
index
a9fcc7fd050f871437ef336ecfb8d6cc81280ee0..f80cd1465df83b5540492e619e56b9af249e9f31
100644
--- a/gcc/tree-cfg.cc
+++ b/gcc/tree-cfg.cc
@@ -4017,8 +4017,6 @@ verify_gimple_assign_binary (gassign *stmt)
return false;
}
- case WIDEN_PLUS_EXPR:
- case WIDEN_MINUS_EXPR:
case PLUS_EXPR:
case MINUS_EXPR:
{
@@ -4139,10 +4137,6 @@ verify_gimple_assign_binary (gassign *stmt)
return false;
}
- case VEC_WIDEN_MINUS_HI_EXPR:
- case VEC_WIDEN_MINUS_LO_EXPR:
- case VEC_WIDEN_PLUS_HI_EXPR:
- case VEC_WIDEN_PLUS_LO_EXPR:
case VEC_WIDEN_MULT_HI_EXPR:
case VEC_WIDEN_MULT_LO_EXPR:
case VEC_WIDEN_MULT_EVEN_EXPR:
diff --git a/gcc/tree-inline.cc b/gcc/tree-inline.cc
index
c702f0032a19203a7c536a01c1e7f47fc7b77add..6e5fd45a0c2435109dd3d50e8fc8e1d4969a1fd0
100644
--- a/gcc/tree-inline.cc
+++ b/gcc/tree-inline.cc
@@ -4273,8 +4273,6 @@ estimate_operator_cost (enum tree_code code, eni_weights
*weights,
case REALIGN_LOAD_EXPR:
- case WIDEN_PLUS_EXPR:
- case WIDEN_MINUS_EXPR:
case WIDEN_SUM_EXPR:
case WIDEN_MULT_EXPR:
case DOT_PROD_EXPR:
@@ -4283,10 +4281,6 @@ estimate_operator_cost (enum tree_code code, eni_weights
*weights,
case WIDEN_MULT_MINUS_EXPR:
case WIDEN_LSHIFT_EXPR:
- case VEC_WIDEN_PLUS_HI_EXPR:
- case VEC_WIDEN_PLUS_LO_EXPR:
- case VEC_WIDEN_MINUS_HI_EXPR:
- case VEC_WIDEN_MINUS_LO_EXPR:
case VEC_WIDEN_MULT_HI_EXPR:
case VEC_WIDEN_MULT_LO_EXPR:
case VEC_WIDEN_MULT_EVEN_EXPR:
diff --git a/gcc/tree-pretty-print.cc b/gcc/tree-pretty-print.cc
index
7947f9647a15110b52d195643ad7d28ee32d4236..9941d8bf80535a98e647b8928619a6bf08bc434c
100644
--- a/gcc/tree-pretty-print.cc
+++ b/gcc/tree-pretty-print.cc
@@ -2874,8 +2874,6 @@ dump_generic_node (pretty_printer *pp, tree node, int
spc, dump_flags_t flags,
break;
/* Binary arithmetic and logic expressions. */
- case WIDEN_PLUS_EXPR:
- case WIDEN_MINUS_EXPR:
case WIDEN_SUM_EXPR:
case WIDEN_MULT_EXPR:
case MULT_EXPR:
@@ -3831,10 +3829,6 @@ dump_generic_node (pretty_printer *pp, tree node, int
spc, dump_flags_t flags,
case VEC_SERIES_EXPR:
case VEC_WIDEN_MULT_HI_EXPR:
case VEC_WIDEN_MULT_LO_EXPR:
- case VEC_WIDEN_PLUS_HI_EXPR:
- case VEC_WIDEN_PLUS_LO_EXPR:
- case VEC_WIDEN_MINUS_HI_EXPR:
- case VEC_WIDEN_MINUS_LO_EXPR:
case VEC_WIDEN_MULT_EVEN_EXPR:
case VEC_WIDEN_MULT_ODD_EXPR:
case VEC_WIDEN_LSHIFT_HI_EXPR:
@@ -4352,12 +4346,6 @@ op_symbol_code (enum tree_code code)
case WIDEN_LSHIFT_EXPR:
return "w<<";
- case WIDEN_PLUS_EXPR:
- return "w+";
-
- case WIDEN_MINUS_EXPR:
- return "w-";
-
case POINTER_PLUS_EXPR:
return "+";
diff --git a/gcc/tree-vect-data-refs.cc b/gcc/tree-vect-data-refs.cc
index
8daf7bd7dd34d043b1d7b4cba1779f0ecf9f520a..213a3899a6c145bb057cd118bec1df7a05728aef
100644
--- a/gcc/tree-vect-data-refs.cc
+++ b/gcc/tree-vect-data-refs.cc
@@ -136,8 +136,6 @@ vect_get_smallest_scalar_type (stmt_vec_info stmt_info,
tree scalar_type)
|| gimple_assign_rhs_code (assign) == WIDEN_SUM_EXPR
|| gimple_assign_rhs_code (assign) == WIDEN_MULT_EXPR
|| gimple_assign_rhs_code (assign) == WIDEN_LSHIFT_EXPR
- || gimple_assign_rhs_code (assign) == WIDEN_PLUS_EXPR
- || gimple_assign_rhs_code (assign) == WIDEN_MINUS_EXPR
|| gimple_assign_rhs_code (assign) == FLOAT_EXPR)
{
tree rhs_type = TREE_TYPE (gimple_assign_rhs1 (assign));
diff --git a/gcc/tree-vect-generic.cc b/gcc/tree-vect-generic.cc
index
445da53292e9d1d2db62ca962fc017bb0e6c9bbe..342ffc5fa7f3b8f37e6bd4658d2f1fccf1d2c7fa
100644
--- a/gcc/tree-vect-generic.cc
+++ b/gcc/tree-vect-generic.cc
@@ -2227,10 +2227,6 @@ expand_vector_operations_1 (gimple_stmt_iterator *gsi,
arguments, not the widened result. VEC_UNPACK_FLOAT_*_EXPR is
calculated in the same way above. */
if (code == WIDEN_SUM_EXPR
- || code == VEC_WIDEN_PLUS_HI_EXPR
- || code == VEC_WIDEN_PLUS_LO_EXPR
- || code == VEC_WIDEN_MINUS_HI_EXPR
- || code == VEC_WIDEN_MINUS_LO_EXPR
|| code == VEC_WIDEN_MULT_HI_EXPR
|| code == VEC_WIDEN_MULT_LO_EXPR
|| code == VEC_WIDEN_MULT_EVEN_EXPR
diff --git a/gcc/tree-vect-patterns.cc b/gcc/tree-vect-patterns.cc
index
3175dd92187c0935f78ebbf2eb476bdcf8b4ccd1..ab3162b5ac66ea8a96c0ea7c45138ca5ee13423f
100644
--- a/gcc/tree-vect-patterns.cc
+++ b/gcc/tree-vect-patterns.cc
@@ -561,21 +561,30 @@ vect_joust_widened_type (tree type, tree new_type, tree
*common_type)
static unsigned int
vect_widened_op_tree (vec_info *vinfo, stmt_vec_info stmt_info, tree_code code,
- tree_code widened_code, bool shift_p,
+ code_helper widened_code, bool shift_p,
unsigned int max_nops,
vect_unpromoted_value *unprom, tree *common_type,
enum optab_subtype *subtype = NULL)
{
/* Check for an integer operation with the right code. */
- gassign *assign = dyn_cast <gassign *> (stmt_info->stmt);
- if (!assign)
+ gimple* stmt = stmt_info->stmt;
+ if (!(is_gimple_assign (stmt) || is_gimple_call (stmt)))
+ return 0;
+
+ code_helper rhs_code;
+ if (is_gimple_assign (stmt))
+ rhs_code = gimple_assign_rhs_code (stmt);
+ else if (is_gimple_call (stmt))
+ rhs_code = gimple_call_combined_fn (stmt);
+ else
return 0;
- tree_code rhs_code = gimple_assign_rhs_code (assign);
- if (rhs_code != code && rhs_code != widened_code)
+ if (rhs_code != code
+ && rhs_code != widened_code)
return 0;
- tree type = TREE_TYPE (gimple_assign_lhs (assign));
+ tree lhs = gimple_get_lhs (stmt);
+ tree type = TREE_TYPE (lhs);
if (!INTEGRAL_TYPE_P (type))
return 0;
@@ -588,7 +597,7 @@ vect_widened_op_tree (vec_info *vinfo, stmt_vec_info
stmt_info, tree_code code,
{
vect_unpromoted_value *this_unprom = &unprom[next_op];
unsigned int nops = 1;
- tree op = gimple_op (assign, i + 1);
+ tree op = gimple_arg (stmt, i);
if (i == 1 && TREE_CODE (op) == INTEGER_CST)
{
/* We already have a common type from earlier operands.
@@ -1342,8 +1351,9 @@ vect_recog_sad_pattern (vec_info *vinfo,
/* FORNOW. Can continue analyzing the def-use chain when this stmt in a phi
inside the loop (in case we are analyzing an outer-loop). */
vect_unpromoted_value unprom[2];
- if (!vect_widened_op_tree (vinfo, diff_stmt_vinfo, MINUS_EXPR,
WIDEN_MINUS_EXPR,
- false, 2, unprom, &half_type))
+ if (!vect_widened_op_tree (vinfo, diff_stmt_vinfo, MINUS_EXPR,
+ CFN_VEC_WIDEN_MINUS, false, 2, unprom,
+ &half_type))
return NULL;
vect_pattern_detected ("vect_recog_sad_pattern", last_stmt);
@@ -2696,9 +2706,10 @@ vect_recog_average_pattern (vec_info *vinfo,
internal_fn ifn = IFN_AVG_FLOOR;
vect_unpromoted_value unprom[3];
tree new_type;
+ enum optab_subtype subtype;
unsigned int nops = vect_widened_op_tree (vinfo, plus_stmt_info, PLUS_EXPR,
- WIDEN_PLUS_EXPR, false, 3,
- unprom, &new_type);
+ CFN_VEC_WIDEN_PLUS, false, 3,
+ unprom, &new_type, &subtype);
if (nops == 0)
return NULL;
if (nops == 3)
diff --git a/gcc/tree-vect-stmts.cc b/gcc/tree-vect-stmts.cc
index
2a7ef2439e12d1966e8884433963a3d387a856b7..ef3ac551f7fe247893b021d98e43c581e2078dbb
100644
--- a/gcc/tree-vect-stmts.cc
+++ b/gcc/tree-vect-stmts.cc
@@ -5032,9 +5032,7 @@ vectorizable_conversion (vec_info *vinfo,
else
return false;
- bool widen_arith = (code == WIDEN_PLUS_EXPR
- || code == WIDEN_MINUS_EXPR
- || code == WIDEN_MULT_EXPR
+ bool widen_arith = (code == WIDEN_MULT_EXPR
|| code == WIDEN_LSHIFT_EXPR
|| code == IFN_VEC_WIDEN_PLUS
|| code == IFN_VEC_WIDEN_MINUS);
@@ -5086,8 +5084,6 @@ vectorizable_conversion (vec_info *vinfo,
{
gcc_assert (code == WIDEN_MULT_EXPR
|| code == WIDEN_LSHIFT_EXPR
- || code == WIDEN_PLUS_EXPR
- || code == WIDEN_MINUS_EXPR
|| code == IFN_VEC_WIDEN_PLUS
|| code == IFN_VEC_WIDEN_MINUS);
@@ -12192,7 +12188,7 @@ supportable_widening_operation (vec_info *vinfo,
class loop *vect_loop = NULL;
machine_mode vec_mode;
enum insn_code icode1, icode2;
- optab optab1, optab2;
+ optab optab1 = unknown_optab, optab2 = unknown_optab;
tree vectype = vectype_in;
tree wide_vectype = vectype_out;
tree_code c1 = MAX_TREE_CODES, c2 = MAX_TREE_CODES;
@@ -12290,16 +12286,6 @@ supportable_widening_operation (vec_info *vinfo,
c2 = VEC_WIDEN_LSHIFT_HI_EXPR;
break;
- case WIDEN_PLUS_EXPR:
- c1 = VEC_WIDEN_PLUS_LO_EXPR;
- c2 = VEC_WIDEN_PLUS_HI_EXPR;
- break;
-
- case WIDEN_MINUS_EXPR:
- c1 = VEC_WIDEN_MINUS_LO_EXPR;
- c2 = VEC_WIDEN_MINUS_HI_EXPR;
- break;
-
CASE_CONVERT:
c1 = VEC_UNPACK_LO_EXPR;
c2 = VEC_UNPACK_HI_EXPR;
diff --git a/gcc/tree.def b/gcc/tree.def
index
ee02754354f015a16737c7e879d89c3e3be0d5aa..a58e608a90078818a7ade9d1173ac7ec84c48c7a
100644
--- a/gcc/tree.def
+++ b/gcc/tree.def
@@ -1374,15 +1374,16 @@ DEFTREECODE (DOT_PROD_EXPR, "dot_prod_expr",
tcc_expression, 3)
DEFTREECODE (WIDEN_SUM_EXPR, "widen_sum_expr", tcc_binary, 2)
/* Widening sad (sum of absolute differences).
- The first two arguments are of type t1 which should be integer.
- The third argument and the result are of type t2, such that t2 is at least
- twice the size of t1. Like DOT_PROD_EXPR, SAD_EXPR (arg1,arg2,arg3) is
+ The first two arguments are of type t1 which should be a vector of integers.
+ The third argument and the result are of type t2, such that the size of
+ the elements of t2 is at least twice the size of the elements of t1.
+ Like DOT_PROD_EXPR, SAD_EXPR (arg1,arg2,arg3) is
equivalent to:
- tmp = WIDEN_MINUS_EXPR (arg1, arg2)
+ tmp = IFN_VEC_WIDEN_MINUS_EXPR (arg1, arg2)
tmp2 = ABS_EXPR (tmp)
arg3 = PLUS_EXPR (tmp2, arg3)
or:
- tmp = WIDEN_MINUS_EXPR (arg1, arg2)
+ tmp = IFN_VEC_WIDEN_MINUS_EXPR (arg1, arg2)
tmp2 = ABS_EXPR (tmp)
arg3 = WIDEN_SUM_EXPR (tmp2, arg3)
*/
@@ -1421,8 +1422,6 @@ DEFTREECODE (WIDEN_MULT_MINUS_EXPR,
"widen_mult_minus_expr", tcc_expression, 3)
the first argument from type t1 to type t2, and then shifting it
by the second argument. */
DEFTREECODE (WIDEN_LSHIFT_EXPR, "widen_lshift_expr", tcc_binary, 2)
-DEFTREECODE (WIDEN_PLUS_EXPR, "widen_plus_expr", tcc_binary, 2)
-DEFTREECODE (WIDEN_MINUS_EXPR, "widen_minus_expr", tcc_binary, 2)
/* Widening vector multiplication.
The two operands are vectors with N elements of size S. Multiplying the
@@ -1487,10 +1486,6 @@ DEFTREECODE (VEC_PACK_FLOAT_EXPR, "vec_pack_float_expr",
tcc_binary, 2)
*/
DEFTREECODE (VEC_WIDEN_LSHIFT_HI_EXPR, "widen_lshift_hi_expr", tcc_binary, 2)
DEFTREECODE (VEC_WIDEN_LSHIFT_LO_EXPR, "widen_lshift_lo_expr", tcc_binary, 2)
-DEFTREECODE (VEC_WIDEN_PLUS_HI_EXPR, "widen_plus_hi_expr", tcc_binary, 2)
-DEFTREECODE (VEC_WIDEN_PLUS_LO_EXPR, "widen_plus_lo_expr", tcc_binary, 2)
-DEFTREECODE (VEC_WIDEN_MINUS_HI_EXPR, "widen_minus_hi_expr", tcc_binary, 2)
-DEFTREECODE (VEC_WIDEN_MINUS_LO_EXPR, "widen_minus_lo_expr", tcc_binary, 2)
/* PREDICT_EXPR. Specify hint for branch prediction. The
PREDICT_EXPR_PREDICTOR specify predictor and PREDICT_EXPR_OUTCOME the