diff options
Diffstat (limited to 'gcc/expr.c')
-rw-r--r-- | gcc/expr.c | 61 |
1 files changed, 0 insertions, 61 deletions
@@ -8853,67 +8853,6 @@ expand_expr_real_2 (sepops ops, rtx target, machine_mode tmode, expand_operands (treeop0, treeop1, subtarget, &op0, &op1, EXPAND_NORMAL); return REDUCE_BIT_FIELD (expand_mult (mode, op0, op1, target, unsignedp)); - case FMA_EXPR: - { - optab opt = fma_optab; - gimple *def0, *def2; - - /* If there is no insn for FMA, emit it as __builtin_fma{,f,l} - call. */ - if (optab_handler (fma_optab, mode) == CODE_FOR_nothing) - { - tree fn = mathfn_built_in (TREE_TYPE (treeop0), BUILT_IN_FMA); - tree call_expr; - - gcc_assert (fn != NULL_TREE); - call_expr = build_call_expr (fn, 3, treeop0, treeop1, treeop2); - return expand_builtin (call_expr, target, subtarget, mode, false); - } - - def0 = get_def_for_expr (treeop0, NEGATE_EXPR); - /* The multiplication is commutative - look at its 2nd operand - if the first isn't fed by a negate. */ - if (!def0) - { - def0 = get_def_for_expr (treeop1, NEGATE_EXPR); - /* Swap operands if the 2nd operand is fed by a negate. */ - if (def0) - std::swap (treeop0, treeop1); - } - def2 = get_def_for_expr (treeop2, NEGATE_EXPR); - - op0 = op2 = NULL; - - if (def0 && def2 - && optab_handler (fnms_optab, mode) != CODE_FOR_nothing) - { - opt = fnms_optab; - op0 = expand_normal (gimple_assign_rhs1 (def0)); - op2 = expand_normal (gimple_assign_rhs1 (def2)); - } - else if (def0 - && optab_handler (fnma_optab, mode) != CODE_FOR_nothing) - { - opt = fnma_optab; - op0 = expand_normal (gimple_assign_rhs1 (def0)); - } - else if (def2 - && optab_handler (fms_optab, mode) != CODE_FOR_nothing) - { - opt = fms_optab; - op2 = expand_normal (gimple_assign_rhs1 (def2)); - } - - if (op0 == NULL) - op0 = expand_expr (treeop0, subtarget, VOIDmode, EXPAND_NORMAL); - if (op2 == NULL) - op2 = expand_normal (treeop2); - op1 = expand_normal (treeop1); - - return expand_ternary_op (TYPE_MODE (type), opt, - op0, op1, op2, target, 0); - } - case MULT_EXPR: /* If this is a fixed-point operation, then we cannot use the code below because "expand_mult" doesn't support sat/no-sat fixed-point |