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glsl/opt_algebraic: Drop no-op pack/unpack optimization.

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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 12:29:37 -08:00
committed by Marge Bot
parent d589760f44
commit 3f632ce764
1 changed files with 0 additions and 28 deletions
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28
src/compiler/glsl/opt_algebraic.cpp
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@@ -293,34 +293,6 @@ ir_algebraic_visitor::handle_expression(ir_expression *ir)
this->mem_ctx = ralloc_parent(ir);
switch (ir->operation) {
/* This macro CANNOT use the do { } while(true) mechanism because
* then the breaks apply to the loop instead of the switch!
*/
#define HANDLE_PACK_UNPACK_INVERSE(inverse_operation) \
{ \
ir_expression *const op = ir->operands[0]->as_expression(); \
if (op == NULL) \
break; \
if (op->operation == (inverse_operation)) \
return op->operands[0]; \
break; \
}
case ir_unop_unpack_uint_2x32:
HANDLE_PACK_UNPACK_INVERSE(ir_unop_pack_uint_2x32);
case ir_unop_pack_uint_2x32:
HANDLE_PACK_UNPACK_INVERSE(ir_unop_unpack_uint_2x32);
case ir_unop_unpack_int_2x32:
HANDLE_PACK_UNPACK_INVERSE(ir_unop_pack_int_2x32);
case ir_unop_pack_int_2x32:
HANDLE_PACK_UNPACK_INVERSE(ir_unop_unpack_int_2x32);
case ir_unop_unpack_double_2x32:
HANDLE_PACK_UNPACK_INVERSE(ir_unop_pack_double_2x32);
case ir_unop_pack_double_2x32:
HANDLE_PACK_UNPACK_INVERSE(ir_unop_unpack_double_2x32);
#undef HANDLE_PACK_UNPACK_INVERSE
case ir_binop_add:
/* Reassociate addition of constants so that we can do constant
* folding.