13d7ca1300
Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15223>
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/*
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* Copyright (C) 2021 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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* Authors (Collabora):
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* Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
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*/
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#ifndef __VALHALL_COMPILER_H
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#define __VALHALL_COMPILER_H
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#include "compiler.h"
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#include "valhall.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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void va_fuse_add_imm(bi_instr *I);
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uint64_t va_pack_instr(const bi_instr *I, unsigned flow);
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static inline unsigned
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va_fau_page(enum bir_fau value)
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{
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/* Uniform slots of FAU have a 7-bit index. The top 2-bits are the page; the
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* bottom 5-bits are specified in the source.
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*/
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if (value & BIR_FAU_UNIFORM) {
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unsigned slot = value & ~BIR_FAU_UNIFORM;
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unsigned page = slot >> 5;
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assert(page <= 3);
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return page;
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}
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/* Special indices are also paginated */
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switch (value) {
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case BIR_FAU_TLS_PTR:
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case BIR_FAU_WLS_PTR:
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return 1;
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case BIR_FAU_LANE_ID:
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case BIR_FAU_CORE_ID:
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case BIR_FAU_PROGRAM_COUNTER:
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return 3;
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default:
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return 0;
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}
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}
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static inline unsigned
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va_select_fau_page(const bi_instr *I)
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{
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bi_foreach_src(I, s) {
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if (I->src[s].type == BI_INDEX_FAU)
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return va_fau_page((enum bir_fau) I->src[s].value);
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}
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return 0;
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}
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#ifdef __cplusplus
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} /* extern C */
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#endif
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#endif
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