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shader: implement V_SUB_NC_U32

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nmzik
2026-08-04 23:12:47 +02:00
parent 51562cd8d2
commit aa88d94755
3 changed files with 51 additions and 1 deletions
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tests/shaderCfgTests.cpp
+6
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@@ -2417,6 +2417,8 @@ 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
0x4c1616f9u,
0x0686128du, // v_sub_nc_u32 v11.byte2, 13, v11; preserve other destination bytes
0xbf810000u,
};
@@ -2465,6 +2467,8 @@ 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_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, "unsupported family=VOP2 opcode=0x00"),
"literal/SDWA extension words were decoded as phantom VOP2 instructions");
Check(!Common::ContainsStr(result.decoded_dump,
@@ -2498,6 +2502,8 @@ 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, "ISubU32 v11.sdwa(sel=2"),
"V_SUB_NC_U32 SDWA byte-2 destination did not lower to IR");
Check(SpirvContainsOpcode(result.spirv, 128),
"SPIR-V binary does not contain OpIAdd for U16 operations");
Check(SpirvContainsOpcode(result.spirv, 202),