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Support byte destinations in V_MOV_B32

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This commit is contained in:
nmzik
2026-09-15 18:25:20 +04:00
parent 7af28c267d
commit acd7435d31
2 changed files with 46 additions and 1 deletions
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tests/ShaderRecompilerComputeTests.cpp
+45
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@@ -17352,6 +17352,45 @@ TestCase Vop1SdwaNotCapturedByte0Source() {
return test;
}
TestCase Vop1SdwaMovByteDestinations() {
using O = ShaderOpcode;
std::vector<u32> code;
AppendBufferLoadDword(&code, 3, 30);
AppendVMovU32(&code, 30, 4);
AppendBufferLoadDword(&code, 2, 30);
code.push_back(EncodeVop1(0x01, 1, Vgpr(3)));
code.push_back(0x7e0202f9u);
code.push_back(0x00861280u); // Captured v_mov_b32 v1.byte2, 0, preserve.
AppendStoreVgpr(&code, 1, 2);
// RDNA2 table 88: select any byte, then pad, sign extend, or preserve.
for (u32 dst_u = 0; dst_u < 3; dst_u++) {
for (u32 dst_sel = 0; dst_sel < 4; dst_sel++) {
code.push_back(EncodeVop1(0x01, 1, Vgpr(3)));
code.push_back(EncodeVop1(0x01, 1, 249));
code.push_back(EncodeVop1Sdwa(2, dst_sel, dst_u));
AppendStoreVgpr(&code, 1, 3 + dst_u * 4 + dst_sel);
}
}
AppendEnd(&code);
TestCase test;
test.name = "Vop1SdwaMovByteDestinations";
test.code = std::move(code);
test.initial = {0xa1b2c3d4u, 0x12345680u};
test.expected = {0xa1b2c3d4u, 0x12345680u, 0xa100c3d4u,
0x00000080u, 0x00008000u, 0x00800000u, 0x80000000u,
0xffffff80u, 0xffff8000u, 0xff800000u, 0x80000000u,
0xa1b2c380u, 0xa1b280d4u, 0xa180c3d4u, 0x80b2c3d4u};
test.initial.resize(test.expected.size());
test.opcodes = {O::BUFFER_LOAD_DWORD, O::V_MOV_B32, O::BUFFER_STORE_DWORD,
O::S_ENDPGM};
test.decoded_counts = {{"V_MOV_B32 v1.sdwa(sel=2,sext=0), 0", 1}};
test.required_spirv = {"OpBitFieldInsert", "OpBitFieldSExtract", "OpBitwiseOr"};
return test;
}
TestCase Vop2SdwaSubNcExactByte2Destination() {
using O = ShaderOpcode;
@@ -25891,6 +25930,7 @@ std::vector<TestCase> MakeCases() {
AddCase(VectorFfbhI32NativeAndVop3OnGpu);
AddCase(Vop1SdwaFfblCapturedHighWordSource);
AddCase(Vop1SdwaNotCapturedByte0Source);
AddCase(Vop1SdwaMovByteDestinations);
AddCase(Vop2SdwaSubNcExactByte2Destination);
AddCase(Vop2SdwaAddNcCapturedHighWordDestination);
AddCase(Vop2SdwaAshrrevCapturedWord0SignExtends);
@@ -30707,6 +30747,11 @@ int main(int argc, char **argv) {
RunCase(&vulkan, VectorAlignByteUsesFiveBitByteOffset());
return 0;
}
if (argc == 2 && std::strcmp(argv[1], "--sdwa-mov-only") == 0) {
VulkanHarness vulkan;
RunCase(&vulkan, Vop1SdwaMovByteDestinations());
return 0;
}
if (argc == 2 && std::strcmp(argv[1], "--sdwa-ashr-only") == 0) {
VulkanHarness vulkan;
RunCase(&vulkan, Vop2SdwaAshrrevCapturedWord0SignExtends());