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shader: DS_WRITE_B16_D16_HI

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This commit is contained in:
nmzik
2026-08-29 14:40:13 +04:00
parent d9ae3ed64c
commit fcc9dff5b9
6 changed files with 55 additions and 0 deletions
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tests/ShaderRecompilerComputeTests.cpp
+33
View File
@@ -12027,6 +12027,7 @@ CoverageClass ClassifyOpcode(ShaderOpcode opcode,
case Opcode::DS_READ_B128:
case Opcode::DS_WRITE_B8:
case Opcode::DS_WRITE_B16:
case Opcode::DS_WRITE_B16_D16_HI:
case Opcode::DS_WRITE2_B32:
case Opcode::DS_WRITE2ST64_B32:
case Opcode::DS_WRITE_B32:
@@ -18100,6 +18101,37 @@ TestCase DsReadU16D16CapturedPreservesHighHalf() {
return test;
}
TestCase DsWriteB16D16HiCapturedUsesHighHalf() {
using O = ShaderOpcode;
std::vector<u32> code;
AppendVMovU32(&code, 1, 0);
AppendVMovLiteral(&code, 3, 0xdeadbeefu);
code.push_back(EncodeDs0(0x0d));
code.push_back(EncodeDs1(0, 3, 1)); // ds_write_b32 v1, v3
AppendVMovU32(&code, 20, 2);
AppendVMovLiteral(&code, 2, 0x1234abcdu);
AppendVMovLiteral(&code, 0, 0x87654321u);
code.push_back(0xda840000u);
code.push_back(0x00000214u); // captured ds_write_b16_d16_hi v20, v2
code.push_back(EncodeDs0(0x36));
code.push_back(EncodeDs1(4, 0, 1)); // ds_read_b32 v4, v1
AppendStoreVgpr(&code, 4, 0);
AppendStoreVgpr(&code, 0, 1);
AppendEnd(&code);
TestCase test{"DsWriteB16D16HiCapturedUsesHighHalf",
code,
std::vector<u32>(2, 0),
{0x1234beefu, 0x87654321u},
{O::V_MOV_B32, O::DS_WRITE_B32, O::DS_WRITE_B16_D16_HI,
O::DS_READ_B32, O::BUFFER_STORE_DWORD, O::S_ENDPGM}};
test.decoded_counts = {{"DS_WRITE_B16_D16_HI", 1}};
return test;
}
TestCase DsReadU16D16HiCapturedPreservesLowHalf() {
using O = ShaderOpcode;
@@ -20684,6 +20716,7 @@ std::vector<TestCase> MakeCases() {
AddCase(ScratchIsPrivatePerInvocation);
AddCase(FlatStoreVariants);
AddCase(DsReadWriteVariants);
AddCase(DsWriteB16D16HiCapturedUsesHighHalf);
AddCase(DsReadU16D16CapturedPreservesHighHalf);
AddCase(DsReadU16D16HiCapturedPreservesLowHalf);
AddCase(DsAppendConsumeUsesEncodedLdsSelector);
tests/shaderCfgTests.cpp
+13
View File
@@ -4132,6 +4132,19 @@ void TestNewShaderDecoderArchitecture() {
d16_hi.dst.sdwa_dst_unused == 2u && d16_hi.src0.reg == 6u,
"DS decoder rejected the captured high-half D16 read");
const uint32_t d16_hi_write_ds[] = {0xda840000u, 0x00000214u};
Instruction d16_hi_write;
Check(DecodeInstruction(d16_hi_write_ds, 0u, d16_hi_write, &error),
error.c_str());
Check(d16_hi_write.family == Family::DS &&
d16_hi_write.opcode == Opcode::DS_WRITE_B16_D16_HI &&
d16_hi_write.word_count == 2u && d16_hi_write.src_count == 2u &&
d16_hi_write.data_dwords == 1u && d16_hi_write.data_bits == 16u &&
d16_hi_write.offset == 0u && !d16_hi_write.gds &&
d16_hi_write.src0.reg == 20u && d16_hi_write.src1.reg == 2u &&
d16_hi_write.src1.sdwa_sel == 5u,
"DS decoder rejected the captured high-half D16 write");
constexpr uint32_t packed_source_selectors[][2] = {
{0xcc0e0000u, 0x0c0a0300u}, // Source 0: instruction bit 59.
{0xcc0e0000u, 0x140a0300u}, // Source 1: instruction bit 60.