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shader: support returning 64-bit LDS max and compare-exchange

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This commit is contained in:
nmzik
2026-10-13 14:48:38 +02:00
parent e998f21e71
commit 9e41d8320a
12 changed files with 188 additions and 31 deletions
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tests/shaderCfgTests.cpp
+24
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@@ -7913,6 +7913,29 @@ void TestNewShaderRecompilerDsAddtidTranslation() {
CheckSpirvBinaryValidates(result.spirv);
}
void TestDsReturningAtomic64Decoder() {
using namespace ShaderRecompiler::Decoder;
// CS23e96bf5029f62fd: native DATA is the comparison and DATA2 the replacement.
const uint32_t max_words[] = {0xd9a00008u, 0x00000400u};
const uint32_t cmp_words[] = {0xd9c00010u, 0x0202003fu};
Instruction decoded;
DecodeInstruction(max_words, 0u, decoded);
Check(decoded.opcode == Opcode::DS_MAX_RTN_U64 &&
decoded.word_count == 2u && decoded.data_dwords == 2u &&
decoded.data_bits == 32u && decoded.src_count == 2u &&
decoded.src0.reg == 0u && decoded.src1.reg == 4u &&
decoded.dst.reg == 0u && decoded.offset == 8u && !decoded.gds,
"captured DS_MAX_RTN_U64 lost its QWORD width, byte offset, or aliases");
DecodeInstruction(cmp_words, 0u, decoded);
Check(decoded.opcode == Opcode::DS_CMPST_RTN_B64 &&
decoded.word_count == 2u && decoded.data_dwords == 2u &&
decoded.data_bits == 32u && decoded.src_count == 3u &&
decoded.src0.reg == 63u && decoded.src1.reg == 0u &&
decoded.src2.reg == 2u && decoded.dst.reg == 2u &&
decoded.offset == 16u && !decoded.gds,
"captured DS_CMPST_RTN_B64 lost its comparison/replacement pairs or aliases");
}
void TestDsFloatMinMaxDecoder() {
using namespace ShaderRecompiler::Decoder;
for (bool max_value : {false, true}) {
@@ -15716,6 +15739,7 @@ int main() {
// here.
TestScalarAshrI64Decoder();
TestImageAtomicWidthDecoder();
TestDsReturningAtomic64Decoder();
TestDsFloatMinMaxDecoder();
TestNewShaderDecoderArchitecture();
TestImageAddressOperands();