shader: fix V_ADD_NC_U32

This commit is contained in:
nmzik
2026-08-18 03:53:42 +02:00
parent 70f6af407e
commit 484433b180
3 changed files with 50 additions and 1 deletions
@@ -59,7 +59,7 @@ constexpr Vop2OpcodeInfo VOP2_OPCODE_LIST[] = {
{0x22u, Opcode::VBcntU32B32},
{0x23u, Opcode::VMbcntLoU32B32},
{0x24u, Opcode::VMbcntHiU32B32},
{0x25u, Opcode::VAddNcU32, Vop2SdwaProfile::IntegerFullDestination},
{0x25u, Opcode::VAddNcU32, Vop2SdwaProfile::IntegerPartialDestination},
{0x28u, Opcode::VAddcU32},
{0x2au, Opcode::VSubrevCoCiU32},
{0x26u, Opcode::VSubNcU32, Vop2SdwaProfile::IntegerPartialDestination},
+25
View File
@@ -11436,6 +11436,30 @@ TestCase Vop2SdwaSubNcExactByte2Destination() {
return test;
}
TestCase Vop2SdwaAddNcCapturedHighWordDestination() {
using O = ShaderOpcode;
std::vector<u32> code;
AppendBufferLoadDword(&code, 0, 30);
code.push_back(EncodeVop1(0x02, 106, Vgpr(0)));
AppendVMovLiteral(&code, 97, 0x00030004u);
AppendVMovLiteral(&code, 4, 0xa1b2c3d4u);
code.push_back(0x4a08c2f9u);
code.push_back(0x0686156au);
AppendStoreVgpr(&code, 4, 1);
AppendEnd(&code);
TestCase test;
test.name = "Vop2SdwaAddNcCapturedHighWordDestination";
test.code = std::move(code);
test.initial = {0x00010002u, 0};
test.expected = {0x00010002u, 0x0006c3d4u};
test.opcodes = {O::BufferLoadDword, O::VReadfirstlaneB32, O::VMovB32,
O::VAddNcU32, O::BufferStoreDword, O::SEndpgm};
test.required_spirv = {"OpIAdd", "OpShiftLeftLogical", "OpBitwiseOr"};
return test;
}
TestCase Vop2SdwaSubNcPreservesByteAndWordDestinations() {
using O = ShaderOpcode;
@@ -17020,6 +17044,7 @@ std::vector<TestCase> MakeCases() {
AddCase(VectorVop3MoveAppliesFloatSourceModifiers);
AddCase(VectorIntegerOps);
AddCase(Vop2SdwaSubNcExactByte2Destination);
AddCase(Vop2SdwaAddNcCapturedHighWordDestination);
AddCase(Vop2SdwaSubNcPreservesByteAndWordDestinations);
AddCase(Vop2SdwaMinU32PreservesWordDestination);
AddCase(VectorShiftCountsMaskLowBits);
+24
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@@ -2780,6 +2780,8 @@ void TestNewShaderRecompilerBootB16PackedAndSdwaOpcodes() {
0x0c860688u, // v_add_nc_u32 v5, 8, sign-extended v4.lo
0x4a0c0cf9u,
0x0d860688u, // v_add_nc_u32 v6, 8, sign-extended v6.hi
0x4a08c2f9u,
0x0686156au, // captured v_add_nc_u32 v4.word1, vcc_lo, v97; preserve word0
0x4c1616f9u,
0x0686128du, // v_sub_nc_u32 v11.byte2, 13, v11; preserve other
// destination bytes
@@ -2836,6 +2838,9 @@ void TestNewShaderRecompilerBootB16PackedAndSdwaOpcodes() {
Check(Common::ContainsStr(result.decoded_dump, "v_add_nc_u32 v6") &&
Common::ContainsStr(result.decoded_dump, "v6.sdwa(sel=5,sext=1"),
"new decoder did not decode V_ADD_NC_U32 SDWA sign-extended high word");
Check(Common::ContainsStr(result.decoded_dump,
"v_add_nc_u32 v4.sdwa(sel=5,sext=0), vcc_lo, v97"),
"new decoder did not decode captured V_ADD_NC_U32 high-word destination");
Check(Common::ContainsStr(result.decoded_dump, "v_sub_nc_u32 v11.sdwa(sel=2"),
"new decoder did not decode V_SUB_NC_U32 SDWA byte-2 destination");
Check(Common::ContainsStr(result.decoded_dump, "v_min_u32 v10.sdwa(sel=4"),
@@ -2877,6 +2882,9 @@ void TestNewShaderRecompilerBootB16PackedAndSdwaOpcodes() {
Check(Common::ContainsStr(result.ir_dump, "IAddU32 v6") &&
Common::ContainsStr(result.ir_dump, "v6.sdwa(sel=5,sext=1"),
"V_ADD_NC_U32 SDWA sign-extended high word did not lower to IR");
Check(Common::ContainsStr(result.ir_dump,
"IAddU32 v4.sdwa(sel=5,sext=0), vcc_lo, v97"),
"captured V_ADD_NC_U32 high-word destination did not lower to IR");
Check(Common::ContainsStr(result.ir_dump, "ISubU32 v11.sdwa(sel=2"),
"V_SUB_NC_U32 SDWA byte-2 destination did not lower to IR");
Check(Common::ContainsStr(result.ir_dump, "UMinU32 v10.sdwa(sel=4"),
@@ -3370,6 +3378,22 @@ void TestNewShaderDecoderArchitecture() {
signed_bfe.src0.reg == 20u && signed_bfe.src1.value == 0x0004001cu,
"decoder rejected or misdecoded captured S_BFE_I32 instruction");
const uint32_t vop2_sdwa_partial_dst[] = {
0x4a08c2f9u,
0x0686156au, // v_add_nc_u32 v4.word1, vcc_lo, v97; preserve word0
};
Instruction sdwa_add;
Check(DecodeInstruction(vop2_sdwa_partial_dst, 0u, sdwa_add, &error),
error.c_str());
Check(sdwa_add.family == Family::VOP2 &&
sdwa_add.opcode == Opcode::VAddNcU32 && sdwa_add.word_count == 2u &&
sdwa_add.dst.reg == 4u && sdwa_add.dst.sdwa_sel == 5u &&
sdwa_add.dst.sdwa_dst_unused == 2u &&
sdwa_add.src0.kind == OperandKind::VccLo &&
sdwa_add.src1.kind == OperandKind::Vgpr && sdwa_add.src1.reg == 97u,
"decoder rejected or misdecoded captured partial-destination "
"V_ADD_NC_U32");
const uint32_t mimg_nsa[] = {EncodeMimg0(0x20, 0xf) | (3u << 1u),
EncodeMimg1(4, 0, 1, 8), 0x03020100u,
0x07060504u, 0x0b0a0908u};