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glsl/opt_algebraic: Drop rcp optimizations.

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No change on freedreno shader-db.

Acked-by: Timothy Arceri <tarceri@itsqueeze.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/21475>
This commit is contained in:
Emma Anholt 2023-02-22 11:56:08 -08:00 • committed by Marge Bot
parent 6b53d4b825
commit ab7a9b4538
1 changed files with 0 additions and 20 deletions
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20
src/compiler/glsl/opt_algebraic.cpp
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@ -696,26 +696,6 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
break;
case ir_unop_rcp:
if (op_expr[0] && op_expr[0]->operation == ir_unop_rcp)
return op_expr[0]->operands[0];
if (op_expr[0] && (op_expr[0]->operation == ir_unop_exp2 ||
op_expr[0]->operation == ir_unop_exp)) {
return new(mem_ctx) ir_expression(op_expr[0]->operation, ir->type,
neg(op_expr[0]->operands[0]));
}
if (op_expr[0] && op_expr[0]->operation == ir_unop_rsq)
return sqrt(op_expr[0]->operands[0]);
/* As far as we know, all backends are OK with rsq. */
if (op_expr[0] && op_expr[0]->operation == ir_unop_sqrt) {
return rsq(op_expr[0]->operands[0]);
}
break;
case ir_triop_fma:
/* Operands are op0 * op1 + op2. */
if (is_vec_zero(op_const[0]) || is_vec_zero(op_const[1])) {