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test(shader): cover 64-bit scalar bit-count ops

This commit is contained in:
asimplestray 2026-10-02 21:48:23 +00:00
parent 7d40a57d18
commit 51c5e00ba9
2 changed files with 34 additions and 0 deletions
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8
core/libs/prx/libSceAgcDriver/CMakeLists.txt
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@ -625,6 +625,14 @@ if(BUILD_TESTING)
set_tests_properties(scalar_saveexec PROPERTIES ENVIRONMENT_MODIFICATION
"PATH=path_list_prepend:$<TARGET_FILE_DIR:libc>")
endif()
add_test_executable(scalar_bitcount64_tests ${LIBS_INCLUDE_DIR}/tests/ScalarBitCount64.cpp)
target_link_libraries(scalar_bitcount64_tests PRIVATE shader_recompiler_agc_driver libc)
configure_windows_unwind(scalar_bitcount64_tests)
add_test(NAME scalar_bitcount64 COMMAND scalar_bitcount64_tests)
if(WIN32)
set_tests_properties(scalar_bitcount64 PROPERTIES ENVIRONMENT_MODIFICATION
"PATH=path_list_prepend:$<TARGET_FILE_DIR:libc>")
endif()
add_test_executable(image_sample_gather_tests ${LIBS_INCLUDE_DIR}/tests/ImageSampleGather.cpp)
target_link_libraries(image_sample_gather_tests PRIVATE shader_recompiler_agc_driver libc)
configure_windows_unwind(image_sample_gather_tests)

26
core/libs/tests/ScalarBitCount64.cpp Normal file
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@ -0,0 +1,26 @@
#include "Translation/TranslationContext.hpp"
#include "RdnaDecoder/RdnaScalarOpDecoder.hpp"
#include <array>
#include <stdexcept>
using namespace ShaderRecompiler;
static void Require(bool value) { if (!value) throw std::runtime_error("scalar bit-count regression"); }
static void Check(std::uint32_t encoding, RdnaOpcode opcode, IrOpcode expected) {
const std::array<std::uint32_t, 1> code{0x80000000u | (10u << 16u) | (encoding << 8u) | 12u};
const RdnaInstruction instruction = DecodeRdnaSop1(0u, code, 0u);
Require(instruction.op == opcode);
Require(instruction.family == RdnaInstructionFamily::SOP1);
Require(IsScalarAluOpcode(instruction.op));
IrProgram program;
auto& block = program.CreateBlock();
program.SetEntryBlock(block);
TranslationContext context(program, block, 256);
context.TranslateInstruction(instruction);
bool found = false;
for (auto* value : block.Instructions()) found = found || value->Opcode() == expected;
Require(found);
}
int main() {
Check(0x0eu, RdnaOpcode::SBcnt0I32B64, IrOpcode::BitCount32);
Check(0x12u, RdnaOpcode::SFf0I32B64, IrOpcode::FindILsb32);
}