74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
/*
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* Copyright © 2015 Intel Corporation
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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
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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/** @file brw_fs_validate.cpp
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*
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* Implements a pass that validates various invariants of the IR. The current
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* pass only validates that GRF's uses are sane. More can be added later.
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*/
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#include "brw_fs.h"
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#include "brw_cfg.h"
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#define fsv_assert(cond) \
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if (!(cond)) { \
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fprintf(stderr, "ASSERT: Scalar %s validation failed!\n", stage_abbrev); \
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dump_instruction(inst, stderr); \
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fprintf(stderr, "%s:%d: %s\n", __FILE__, __LINE__, #cond); \
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abort(); \
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}
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void
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fs_visitor::validate()
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{
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#ifndef NDEBUG
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foreach_block_and_inst (block, fs_inst, inst, cfg) {
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if (inst->opcode == SHADER_OPCODE_URB_WRITE_LOGICAL) {
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const unsigned header_size = 1 +
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unsigned(inst->src[URB_LOGICAL_SRC_PER_SLOT_OFFSETS].file != BAD_FILE) +
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unsigned(inst->src[URB_LOGICAL_SRC_CHANNEL_MASK].file != BAD_FILE);
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unsigned data_size = 0;
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for (unsigned i = header_size, j = 0; i < inst->mlen; i++, j++) {
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fsv_assert(type_sz(offset(inst->src[URB_LOGICAL_SRC_DATA], bld, j).type) == 4);
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data_size++;
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}
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fsv_assert(header_size + data_size == inst->mlen);
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}
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if (inst->dst.file == VGRF) {
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fsv_assert(inst->dst.offset / REG_SIZE + regs_written(inst) <=
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alloc.sizes[inst->dst.nr]);
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}
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for (unsigned i = 0; i < inst->sources; i++) {
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if (inst->src[i].file == VGRF) {
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fsv_assert(inst->src[i].offset / REG_SIZE + regs_read(inst, i) <=
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alloc.sizes[inst->src[i].nr]);
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}
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}
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}
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#endif
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}
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