This patch removes the remaining traces of the vcond{,u,eq} optabs. Earlier patches removed the target-independent uses and I couldn't find any direct references to either the *_optabs or the ifns in target-specific code.
Tested on aarch64-linux-gnu. OK to install? Richard gcc/ * doc/md.texi (vcond@var{m}@var{n}, vcondu@var{m}@var{n}) (vcondeq@var{m}@var{n}): Delete. (vcond_mask_@var{m}@var{n}): Redocument in standalone form. * internal-fn.def (VCOND, VCONDU, VCONDEQ): Delete. * internal-fn.cc (expand_vec_cond_optab_fn): Delete. * optabs.def (vcond_optab, vcondu_optab, vcondeq_optab): Delete. --- gcc/doc/md.texi | 46 +++++++++++++++++---------------------- gcc/internal-fn.cc | 52 --------------------------------------------- gcc/internal-fn.def | 3 --- gcc/optabs.def | 3 --- 4 files changed, 20 insertions(+), 84 deletions(-) diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi index 69605bf75c0..f0b63a144ad 100644 --- a/gcc/doc/md.texi +++ b/gcc/doc/md.texi @@ -5297,34 +5297,28 @@ or @code{vec_cmpu@var{m}@var{n}} instruction pattern is supported, it will be preferred over @code{vec_cmpeq@var{m}@var{n}}, so there is no need to define this instruction pattern if the others are supported. -@cindex @code{vcond@var{m}@var{n}} instruction pattern -@item @samp{vcond@var{m}@var{n}} -Output a conditional vector move. Operand 0 is the destination to -receive a combination of operand 1 and operand 2, which are of mode @var{m}, -dependent on the outcome of the predicate in operand 3 which is a signed -vector comparison with operands of mode @var{n} in operands 4 and 5. The -modes @var{m} and @var{n} should have the same size. Operand 0 -will be set to the value @var{op1} & @var{msk} | @var{op2} & ~@var{msk} -where @var{msk} is computed by element-wise evaluation of the vector -comparison with a truth value of all-ones and a false value of all-zeros. - -@cindex @code{vcondu@var{m}@var{n}} instruction pattern -@item @samp{vcondu@var{m}@var{n}} -Similar to @code{vcond@var{m}@var{n}} but performs unsigned vector -comparison. - -@cindex @code{vcondeq@var{m}@var{n}} instruction pattern -@item @samp{vcondeq@var{m}@var{n}} -Similar to @code{vcond@var{m}@var{n}} but performs equality or -non-equality vector comparison only. If @code{vcond@var{m}@var{n}} -or @code{vcondu@var{m}@var{n}} instruction pattern is supported, -it will be preferred over @code{vcondeq@var{m}@var{n}}, so there is -no need to define this instruction pattern if the others are supported. - @cindex @code{vcond_mask_@var{m}@var{n}} instruction pattern @item @samp{vcond_mask_@var{m}@var{n}} -Similar to @code{vcond@var{m}@var{n}} but operand 3 holds a pre-computed -result of vector comparison. +Output a conditional vector move. Operand 0 is the destination to +receive a combination of operand 1 and operand 2, depending on the +mask in operand 3. Operands 0, 1, and 2 have mode @var{m} while +operand 3 has mode @var{n}. + +Suppose that @var{m} has @var{e} elements. There are then two +supported forms of @var{n}. The first form is an integer or +boolean vector that also has @var{e} elements. In this case, each +element is -1 or 0, with -1 selecting elements from operand 1 and +0 selecting elements from operand 2. The second supported form +of @var{n} is a scalar integer that has at least @var{e} bits. +A set bit then selects from operand 1 and a clear bit selects +from operand 2. Bits @var{e} and above have no effect. + +Subject to those restrictions, the behavior is equivalent to: + +@smallexample +for (i = 0; i < @var{e}; i++) + op0[i] = op3[i] ? op1[i] : op2[i]; +@end smallexample @cindex @code{vcond_mask_len_@var{m}@var{n}} instruction pattern @item @samp{vcond_mask_len_@var{m}@var{n}} diff --git a/gcc/internal-fn.cc b/gcc/internal-fn.cc index 8bafbc4c935..56e9ded7e85 100644 --- a/gcc/internal-fn.cc +++ b/gcc/internal-fn.cc @@ -3138,58 +3138,6 @@ expand_partial_store_optab_fn (internal_fn ifn, gcall *stmt, convert_optab optab #define expand_len_store_optab_fn expand_partial_store_optab_fn #define expand_mask_len_store_optab_fn expand_partial_store_optab_fn -/* Expand VCOND, VCONDU and VCONDEQ optab internal functions. - The expansion of STMT happens based on OPTAB table associated. */ - -static void -expand_vec_cond_optab_fn (internal_fn, gcall *stmt, convert_optab optab) -{ - class expand_operand ops[6]; - insn_code icode; - tree lhs = gimple_call_lhs (stmt); - tree op0a = gimple_call_arg (stmt, 0); - tree op0b = gimple_call_arg (stmt, 1); - tree op1 = gimple_call_arg (stmt, 2); - tree op2 = gimple_call_arg (stmt, 3); - enum tree_code tcode = (tree_code) int_cst_value (gimple_call_arg (stmt, 4)); - - tree vec_cond_type = TREE_TYPE (lhs); - tree op_mode = TREE_TYPE (op0a); - bool unsignedp = TYPE_UNSIGNED (op_mode); - - machine_mode mode = TYPE_MODE (vec_cond_type); - machine_mode cmp_op_mode = TYPE_MODE (op_mode); - - icode = convert_optab_handler (optab, mode, cmp_op_mode); - rtx comparison - = vector_compare_rtx (VOIDmode, tcode, op0a, op0b, unsignedp, icode, 4); - /* vector_compare_rtx legitimizes operands, preserve equality when - expanding op1/op2. */ - rtx rtx_op1, rtx_op2; - if (operand_equal_p (op1, op0a)) - rtx_op1 = XEXP (comparison, 0); - else if (operand_equal_p (op1, op0b)) - rtx_op1 = XEXP (comparison, 1); - else - rtx_op1 = expand_normal (op1); - if (operand_equal_p (op2, op0a)) - rtx_op2 = XEXP (comparison, 0); - else if (operand_equal_p (op2, op0b)) - rtx_op2 = XEXP (comparison, 1); - else - rtx_op2 = expand_normal (op2); - - rtx target = expand_expr (lhs, NULL_RTX, VOIDmode, EXPAND_WRITE); - create_call_lhs_operand (&ops[0], target, mode); - create_input_operand (&ops[1], rtx_op1, mode); - create_input_operand (&ops[2], rtx_op2, mode); - create_fixed_operand (&ops[3], comparison); - create_fixed_operand (&ops[4], XEXP (comparison, 0)); - create_fixed_operand (&ops[5], XEXP (comparison, 1)); - expand_insn (icode, 6, ops); - assign_call_lhs (lhs, target, &ops[0]); -} - /* Expand VCOND_MASK optab internal function. The expansion of STMT happens based on OPTAB table associated. */ diff --git a/gcc/internal-fn.def b/gcc/internal-fn.def index 6e84c693697..54149b66537 100644 --- a/gcc/internal-fn.def +++ b/gcc/internal-fn.def @@ -237,9 +237,6 @@ DEF_INTERNAL_OPTAB_FN (MASK_STORE_LANES, 0, DEF_INTERNAL_OPTAB_FN (MASK_LEN_STORE_LANES, 0, vec_mask_len_store_lanes, mask_store_lanes) -DEF_INTERNAL_OPTAB_FN (VCOND, ECF_CONST | ECF_NOTHROW, vcond, vec_cond) -DEF_INTERNAL_OPTAB_FN (VCONDU, ECF_CONST | ECF_NOTHROW, vcondu, vec_cond) -DEF_INTERNAL_OPTAB_FN (VCONDEQ, ECF_CONST | ECF_NOTHROW, vcondeq, vec_cond) DEF_INTERNAL_OPTAB_FN (VCOND_MASK, ECF_CONST | ECF_NOTHROW, vcond_mask, vec_cond_mask) DEF_INTERNAL_OPTAB_FN (VCOND_MASK_LEN, ECF_CONST | ECF_NOTHROW, diff --git a/gcc/optabs.def b/gcc/optabs.def index 5d75b1379ac..eda8af01b16 100644 --- a/gcc/optabs.def +++ b/gcc/optabs.def @@ -93,9 +93,6 @@ OPTAB_CD(vec_mask_load_lanes_optab, "vec_mask_load_lanes$a$b") OPTAB_CD(vec_mask_store_lanes_optab, "vec_mask_store_lanes$a$b") OPTAB_CD(vec_mask_len_load_lanes_optab, "vec_mask_len_load_lanes$a$b") OPTAB_CD(vec_mask_len_store_lanes_optab, "vec_mask_len_store_lanes$a$b") -OPTAB_CD(vcond_optab, "vcond$a$b") -OPTAB_CD(vcondu_optab, "vcondu$a$b") -OPTAB_CD(vcondeq_optab, "vcondeq$a$b") OPTAB_CD(vcond_mask_optab, "vcond_mask_$a$b") OPTAB_CD(vec_cmp_optab, "vec_cmp$a$b") OPTAB_CD(vec_cmpu_optab, "vec_cmpu$a$b") -- 2.25.1