diff options
| -rw-r--r-- | src/panfrost/Makefile.sources | 1 | ||||
| -rw-r--r-- | src/panfrost/bifrost/bir.c | 62 | ||||
| -rw-r--r-- | src/panfrost/bifrost/compiler.h | 6 | ||||
| -rw-r--r-- | src/panfrost/bifrost/meson.build | 1 |
4 files changed, 70 insertions, 0 deletions
diff --git a/src/panfrost/Makefile.sources b/src/panfrost/Makefile.sources index 5893fac91aa..06ec8a8eb56 100644 --- a/src/panfrost/Makefile.sources +++ b/src/panfrost/Makefile.sources @@ -6,6 +6,7 @@ bifrost_FILES := \ bifrost/bi_print.c \ bifrost/bi_print.h \ bifrost/bi_quirks.c \ + bifrost/bir.c \ bifrost/compiler.h \ bifrost/cmdline.c \ bifrost/disassemble.c \ diff --git a/src/panfrost/bifrost/bir.c b/src/panfrost/bifrost/bir.c new file mode 100644 index 00000000000..0f1efcb3388 --- /dev/null +++ b/src/panfrost/bifrost/bir.c @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2020 Collabora Ltd. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Authors (Collabora): + * Alyssa Rosenzweig <[email protected]> + */ + +#include "compiler.h" + +/* Does an instruction respect outmods and source mods? Depend + * on the types involved */ + +bool +bi_has_outmod(bi_instruction *ins) +{ + bool classy = bi_class_props[ins->type] & BI_MODS; + bool floaty = nir_alu_type_get_base_type(ins->dest_type) == nir_type_float; + + return classy && floaty; +} + +/* Technically we should check the source type, not the dest + * type, but the type converting opcodes (i2f, f2i) don't + * actually support mods so it doesn't matter. */ + +bool +bi_has_source_mods(bi_instruction *ins) +{ + return bi_has_outmod(ins); +} + +/* A source is swizzled if the op is swizzlable, in 8-bit or + * 16-bit mode, and the swizzled op. TODO: multi args */ + +bool +bi_is_src_swizzled(bi_instruction *ins, unsigned s) +{ + bool classy = bi_class_props[ins->type] & BI_SWIZZLABLE; + bool small = nir_alu_type_get_type_size(ins->dest_type) < 32; + bool first = (s == 0); /* TODO: prop? */ + + return classy && small && first; +} diff --git a/src/panfrost/bifrost/compiler.h b/src/panfrost/bifrost/compiler.h index 79e45c9dff7..74b9e2205c3 100644 --- a/src/panfrost/bifrost/compiler.h +++ b/src/panfrost/bifrost/compiler.h @@ -432,4 +432,10 @@ bir_dest_index(nir_dest *dst) #define bi_foreach_src(ins, v) \ for (unsigned v = 0; v < ARRAY_SIZE(ins->src); ++v) +/* BIR manipulation */ + +bool bi_has_outmod(bi_instruction *ins); +bool bi_has_source_mods(bi_instruction *ins); +bool bi_is_src_swizzled(bi_instruction *ins, unsigned s); + #endif diff --git a/src/panfrost/bifrost/meson.build b/src/panfrost/bifrost/meson.build index 2812dba2c5b..5b885914c78 100644 --- a/src/panfrost/bifrost/meson.build +++ b/src/panfrost/bifrost/meson.build @@ -23,6 +23,7 @@ libpanfrost_bifrost_files = files( 'disassemble.c', 'bi_print.c', 'bi_tables.c', + 'bir.c', 'bifrost_compile.c', ) |