diff options
Diffstat (limited to 'src/glsl/lower_instructions.cpp')
| -rw-r--r-- | src/glsl/lower_instructions.cpp | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/src/glsl/lower_instructions.cpp b/src/glsl/lower_instructions.cpp index 845cfff3648..f70db873fd7 100644 --- a/src/glsl/lower_instructions.cpp +++ b/src/glsl/lower_instructions.cpp @@ -39,7 +39,6 @@ * - MOD_TO_FLOOR * - LDEXP_TO_ARITH * - DFREXP_TO_ARITH - * - BITFIELD_INSERT_TO_BFM_BFI * - CARRY_TO_ARITH * - BORROW_TO_ARITH * - SAT_TO_CLAMP @@ -99,14 +98,6 @@ * Converts ir_binop_ldexp, ir_unop_frexp_sig, and ir_unop_frexp_exp to * arithmetic and bit ops for double arguments. * - * BITFIELD_INSERT_TO_BFM_BFI: - * --------------------------- - * Breaks ir_quadop_bitfield_insert into ir_binop_bfm (bitfield mask) and - * ir_triop_bfi (bitfield insert). - * - * Many GPUs implement the bitfieldInsert() built-in from ARB_gpu_shader_5 - * with a pair of instructions. - * * CARRY_TO_ARITH: * --------------- * Converts ir_carry into (x + y) < x. @@ -154,7 +145,6 @@ private: void exp_to_exp2(ir_expression *); void pow_to_exp2(ir_expression *); void log_to_log2(ir_expression *); - void bitfield_insert_to_bfm_bfi(ir_expression *); void ldexp_to_arith(ir_expression *); void dldexp_to_arith(ir_expression *); void dfrexp_sig_to_arith(ir_expression *); @@ -348,29 +338,6 @@ lower_instructions_visitor::mod_to_floor(ir_expression *ir) } void -lower_instructions_visitor::bitfield_insert_to_bfm_bfi(ir_expression *ir) -{ - /* Translates - * ir_quadop_bitfield_insert base insert offset bits - * into - * ir_triop_bfi (ir_binop_bfm bits offset) insert base - */ - - ir_rvalue *base_expr = ir->operands[0]; - - ir->operation = ir_triop_bfi; - ir->operands[0] = new(ir) ir_expression(ir_binop_bfm, - ir->type->get_base_type(), - ir->operands[3], - ir->operands[2]); - /* ir->operands[1] is still the value to insert. */ - ir->operands[2] = base_expr; - ir->operands[3] = NULL; - - this->progress = true; -} - -void lower_instructions_visitor::ldexp_to_arith(ir_expression *ir) { /* Translates @@ -482,12 +449,6 @@ lower_instructions_visitor::ldexp_to_arith(ir_expression *ir) exp_shift_clone, exp_width); ir->operands[1] = NULL; - /* Don't generate new IR that would need to be lowered in an additional - * pass. - */ - if (lowering(BITFIELD_INSERT_TO_BFM_BFI)) - bitfield_insert_to_bfm_bfi(ir->operands[0]->as_expression()); - this->progress = true; } @@ -602,9 +563,6 @@ lower_instructions_visitor::dldexp_to_arith(ir_expression *ir) exp_shift->clone(ir, NULL), exp_width->clone(ir, NULL)); - if (lowering(BITFIELD_INSERT_TO_BFM_BFI)) - bitfield_insert_to_bfm_bfi(bfi); - i.insert_before(assign(unpacked, bfi, WRITEMASK_Y)); results[elem] = expr(ir_unop_pack_double_2x32, unpacked); @@ -1039,11 +997,6 @@ lower_instructions_visitor::visit_leave(ir_expression *ir) pow_to_exp2(ir); break; - case ir_quadop_bitfield_insert: - if (lowering(BITFIELD_INSERT_TO_BFM_BFI)) - bitfield_insert_to_bfm_bfi(ir); - break; - case ir_binop_ldexp: if (lowering(LDEXP_TO_ARITH) && ir->type->is_float()) ldexp_to_arith(ir); |