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When INTEL_DEBUG=ann is also set, the disassembler would annotate the output with either a string or the string verison of a NIR instruction. This was done by keeping two pointers (but only using one at a time). Change the code to print the instruction into a string instead of keeping it pointer around (peg the string to the shader). That way, only one pointer is needed for annotations. Because that serialization is not free, only do that when the environment variable is set. Since we are here, move the annotation string field to the end, moving it to the least commonly used cacheline. Further packing might allow the entire fs_inst to fit in two cachelines. For release builds, don't even add the debug annotation to the struct. Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30822>
89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/*
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* Copyright © 2014 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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#ifndef _INTEL_ASM_ANNOTATION_H
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#define _INTEL_ASM_ANNOTATION_H
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#include "compiler/glsl/list.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct cfg_t;
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struct fs_inst;
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struct intel_device_info;
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struct inst_group {
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struct exec_node link;
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int offset;
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size_t error_length;
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char *error;
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/* Pointers to the basic block in the CFG if the instruction group starts
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* or ends a basic block.
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*/
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struct bblock_t *block_start;
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struct bblock_t *block_end;
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/* Annotation for the generated IR. */
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const char *annotation;
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};
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struct disasm_info {
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struct exec_list group_list;
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const struct brw_isa_info *isa;
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const struct cfg_t *cfg;
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/** Block index in the cfg. */
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int cur_block;
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bool use_tail;
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};
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void
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dump_assembly(void *assembly, int start_offset, int end_offset,
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struct disasm_info *disasm, const unsigned *block_latency);
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struct disasm_info *
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disasm_initialize(const struct brw_isa_info *isa,
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const struct cfg_t *cfg);
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struct inst_group *
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disasm_new_inst_group(struct disasm_info *disasm, int offset);
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void
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disasm_annotate(struct disasm_info *disasm,
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struct fs_inst *inst, int offset);
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void
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disasm_insert_error(struct disasm_info *disasm, int offset,
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int inst_size, const char *error);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* _INTEL_ASM_ANNOTATION_H */
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