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2937538210
SPIRV-Tools/source
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David Neto 2937538210
Fix undef behaviour in hex float parsing (#5025) 
When the parser saw more significant hex digits than fit in
the target type, it would compute a nonsensical shift amount, resulting
in undefined behaviour.

Now, drop the excess bits, effectively truncating the significand.

Also guard against overflow of the exponent in the extraordinary (and untested)
case where we see more than, for example, 2**(32-4+1) significant hex digits
for a 32-bit float, or 2**(16-4+1) significant hex digits for a 16-bit
float.

Also guard against overflow of the indexing counting the number of
significant bits.  When that would occur silently drop any further
significant bits.  (Untested)

Avoid hex floats in C++ code. It's a C++17 feature.

Fixes: #4724
2022-12-19 15:46:57 -05:00
..
diff Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
fuzz Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
link Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
lint Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
opt Optimize allocation of spvtools::opt::Instruction::operands_ (#5024) 2022-12-19 13:08:01 -05:00
reduce Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
util Fix undef behaviour in hex float parsing (#5025) 2022-12-19 15:46:57 -05:00
val Fix layout validation (#5015) 2022-12-15 21:38:09 -05:00
wasm Add SPIR-V 1.6 support to wasm build (#4674) 2022-01-13 13:49:35 -05:00
assembly_grammar.cpp Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
assembly_grammar.h Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
binary.cpp Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
binary.h Fix endianness of string literals (#4622) 2021-12-08 12:01:26 -05:00
cfa.h Prevent null pointer from being dereferenced (#4971) 2022-10-24 15:16:33 -04:00
CMakeLists.txt Add validation support for SPV_NV_shader_invocation_reorder. (#4979) 2022-11-24 09:50:45 -05:00
common_debug_info.h spirv-opt: Switch from Vulkan.DebugInfo to Shader.DebugInfo (#4493) 2021-09-15 14:38:53 -04:00
diagnostic.cpp fix strncpy bound error (#4331) 2021-06-29 10:07:13 -04:00
diagnostic.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
disassemble.cpp Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
disassemble.h Fix segfault in SpirvTools::Disassemble when printing (#4833) 2022-06-29 12:05:00 -04:00
enum_set.h Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
enum_string_mapping.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
enum_string_mapping.h Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
ext_inst.cpp Vulkan 1.3 (#4686) 2022-01-25 10:36:08 -05:00
ext_inst.h Fix various source comment (doxygen) typos (#4680) 2022-01-26 15:13:08 -05:00
extensions.cpp Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
extensions.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
instruction.h Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
latest_version_glsl_std_450_header.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
latest_version_opencl_std_header.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
latest_version_spirv_header.h Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
libspirv.cpp Fix segfault in SpirvTools::Disassemble when printing (#4833) 2022-06-29 12:05:00 -04:00
macro.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
name_mapper.cpp Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
name_mapper.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
opcode.cpp Add validation support for SPV_NV_shader_invocation_reorder. (#4979) 2022-11-24 09:50:45 -05:00
opcode.h Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
operand.cpp Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
operand.h Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
parsed_operand.cpp Introduce spirv-diff (#4611) 2022-02-02 10:33:18 -05:00
parsed_operand.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
pch_source.cpp Enable precompiled headers for spirv-tools(-shared) and some unit tests (#2026) 2018-11-06 09:26:23 -05:00
pch_source.h Enable precompiled headers for spirv-tools(-shared) and some unit tests (#2026) 2018-11-06 09:26:23 -05:00
print.cpp Support building on OpenBSD (#4912) 2022-09-02 19:30:09 +00:00
print.h Rewrite include guards (#1793) 2018-08-03 08:05:33 -04:00
software_version.cpp Add missing function parameters in libspirv.h 2018-04-03 10:10:43 -04:00
spirv_constant.h Fix Linker generator ID (#4601) 2021-10-29 10:32:41 -04:00
spirv_definition.h Fix various source comment (doxygen) typos (#4680) 2022-01-26 15:13:08 -05:00
spirv_endian.cpp Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00
spirv_endian.h Fix various source comment (doxygen) typos (#4680) 2022-01-26 15:13:08 -05:00
spirv_fuzzer_options.cpp spirv-fuzz: Add pass recommendations (#3757) 2020-09-18 15:51:35 +01:00
spirv_fuzzer_options.h spirv-fuzz: Add pass recommendations (#3757) 2020-09-18 15:51:35 +01:00
spirv_optimizer_options.cpp Add —preserve-bindings and —preserve-spec-constants (#2693) 2019-07-10 14:12:19 -04:00
spirv_optimizer_options.h Add —preserve-bindings and —preserve-spec-constants (#2693) 2019-07-10 14:12:19 -04:00
spirv_reducer_options.cpp spirv-reduce: Support reducing a specific function (#3774) 2020-09-11 06:29:43 +01:00
spirv_reducer_options.h spirv-reduce: Support reducing a specific function (#3774) 2020-09-11 06:29:43 +01:00
spirv_target_env.cpp Vulkan 1.3 (#4686) 2022-01-25 10:36:08 -05:00
spirv_target_env.h Fix various source comment (doxygen) typos (#4680) 2022-01-26 15:13:08 -05:00
spirv_validator_options.cpp spirv-val: Add an option to use friendly names or not (#4951) 2022-09-30 12:22:00 -04:00
spirv_validator_options.h spirv-val: Add an option to use friendly names or not (#4951) 2022-09-30 12:22:00 -04:00
table.cpp Vulkan 1.3 (#4686) 2022-01-25 10:36:08 -05:00
table.h Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
text_handler.cpp Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
text_handler.h Remove source/message.h (#1838) 2018-08-14 15:41:21 -04:00
text.cpp Switch SPIRV-Tools to use spirv.hpp11 internally (#4981) 2022-11-04 17:27:10 -04:00
text.h Cleanup includes. (#1795) 2018-08-03 15:06:09 -04:00