pan/bi: Move packing helpers to dedicated file
We'll need to access them from the autogenerated section. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com> Reviewed-by: Daniel Stone <daniels@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6749>
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@ -23,6 +23,7 @@
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#include "compiler.h"
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#include "compiler.h"
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#include "bi_print.h"
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#include "bi_print.h"
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#include "bi_pack_helpers.h"
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#define RETURN_PACKED(str) { \
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#define RETURN_PACKED(str) { \
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uint64_t temp = 0; \
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uint64_t temp = 0; \
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@ -401,57 +402,6 @@ bi_pack_registers(bi_registers regs)
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return packed;
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return packed;
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}
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}
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static void
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bi_set_data_register(bi_clause *clause, unsigned idx)
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{
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assert(idx & BIR_INDEX_REGISTER);
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unsigned reg = idx & ~BIR_INDEX_REGISTER;
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assert(reg <= 63);
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clause->data_register = reg;
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}
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static void
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bi_read_data_register(bi_clause *clause, bi_instruction *ins)
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{
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bi_set_data_register(clause, ins->src[0]);
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}
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static void
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bi_write_data_register(bi_clause *clause, bi_instruction *ins)
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{
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bi_set_data_register(clause, ins->dest);
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}
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static enum bifrost_packed_src
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bi_get_src_reg_port(bi_registers *regs, unsigned src)
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{
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unsigned reg = src & ~BIR_INDEX_REGISTER;
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if (regs->port[0] == reg && regs->enabled[0])
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return BIFROST_SRC_PORT0;
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else if (regs->port[1] == reg && regs->enabled[1])
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return BIFROST_SRC_PORT1;
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else if (regs->port[3] == reg && regs->read_port3)
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return BIFROST_SRC_PORT3;
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else
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unreachable("Tried to access register with no port");
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}
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static enum bifrost_packed_src
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bi_get_src(bi_instruction *ins, bi_registers *regs, unsigned s)
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{
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unsigned src = ins->src[s];
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if (src & BIR_INDEX_REGISTER)
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return bi_get_src_reg_port(regs, src);
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else if (src & BIR_INDEX_PASS)
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return src & ~BIR_INDEX_PASS;
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else {
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bi_print_instruction(ins, stderr);
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unreachable("Unknown src in above instruction");
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}
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}
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/* Constructs a packed 2-bit swizzle for a 16-bit vec2 source. Source must be
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/* Constructs a packed 2-bit swizzle for a 16-bit vec2 source. Source must be
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* 16-bit and written components must correspond to valid swizzles (component x
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* 16-bit and written components must correspond to valid swizzles (component x
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* or y). */
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* or y). */
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@ -0,0 +1,84 @@
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/*
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* Copyright (C) 2020 Collabora, Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __BI_PACK_HELPERS_H
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#define __BI_PACK_HELPERS_H
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/* Helpers used by the autogenerated packing routines */
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#include "compiler.h"
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static inline void
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bi_set_data_register(bi_clause *clause, unsigned idx)
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{
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assert(idx & BIR_INDEX_REGISTER);
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unsigned reg = idx & ~BIR_INDEX_REGISTER;
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assert(reg <= 63);
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clause->data_register = reg;
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}
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static inline void
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bi_read_data_register(bi_clause *clause, bi_instruction *ins)
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{
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bi_set_data_register(clause, ins->src[0]);
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}
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static inline void
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bi_write_data_register(bi_clause *clause, bi_instruction *ins)
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{
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bi_set_data_register(clause, ins->dest);
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}
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static inline enum bifrost_packed_src
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bi_get_src_reg_port(bi_registers *regs, unsigned src)
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{
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unsigned reg = src & ~BIR_INDEX_REGISTER;
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if (regs->port[0] == reg && regs->enabled[0])
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return BIFROST_SRC_PORT0;
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else if (regs->port[1] == reg && regs->enabled[1])
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return BIFROST_SRC_PORT1;
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else if (regs->port[3] == reg && regs->read_port3)
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return BIFROST_SRC_PORT3;
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else
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unreachable("Tried to access register with no port");
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}
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static inline enum bifrost_packed_src
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bi_get_src(bi_instruction *ins, bi_registers *regs, unsigned s)
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{
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unsigned src = ins->src[s];
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if (src & BIR_INDEX_REGISTER)
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return bi_get_src_reg_port(regs, src);
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else if (src & BIR_INDEX_PASS)
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return src & ~BIR_INDEX_PASS;
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else {
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#ifndef NDEBUG
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bi_print_instruction(ins, stderr);
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#endif
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unreachable("Unknown src in above instruction");
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}
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}
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#endif
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