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shader: preserve untouched half in VOP1 B16 writes (#370)

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shader: preserve native 16-bit destinations

Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
GodsWill Dev
2026-08-30 11:33:26 -04:00
committed by GitHub
parent 18af08460f
commit 9992ab18fc
8 changed files with 244 additions and 90 deletions
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tests/shaderCfgTests.cpp
+6 -6
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@@ -3169,16 +3169,16 @@ void TestNewShaderRecompilerStagedShaderOps() {
"new decoder did not decode RDNA2 S_SUBB_U32");
Check(Common::ContainsStr(result.decoded_dump, "s_bitset0_b32 s3, s1"),
"new decoder did not decode RDNA2 S_BITSET0_B32");
Check(Common::ContainsStr(result.decoded_dump, "v_fmac_f16 v70.sdwa(sel=4"),
Check(Common::ContainsStr(result.decoded_dump, "v_fmac_f16 v70, v5, v6"),
"new decoder did not decode RDNA2 V_FMAC_F16");
Check(
Common::ContainsStr(
result.decoded_dump,
"v_fmamk_f16 v71.sdwa(sel=4,sext=0), v7, 0x3c003c00, v8"),
"v_fmamk_f16 v71, v7, 0x3c003c00, v8"),
"new decoder did not consume V_FMAMK_F16 literal as the multiply source");
Check(Common::ContainsStr(
result.decoded_dump,
"v_fmaak_f16 v72.sdwa(sel=4,sext=0), v9, v10, 0x40004000"),
"v_fmaak_f16 v72, v9, v10, 0x40004000"),
"new decoder did not consume V_FMAAK_F16 literal as the add source");
Check(Common::ContainsStr(result.ir_dump,
"ScalarSubBorrowCarryU32 s2, s0, s1, scc"),
@@ -3189,15 +3189,15 @@ void TestNewShaderRecompilerStagedShaderOps() {
Check(
Common::ContainsStr(
result.ir_dump,
"FmaF16 v70.sdwa(sel=4,sext=0), v5, v6, v70.sdwa(sel=4,sext=0)"),
"FmaF16 v70, v5, v6, v70"),
"V_FMAC_F16 did not lower using the destination as the FMA accumulator");
Check(
Common::ContainsStr(result.ir_dump,
"FmaF16 v71.sdwa(sel=4,sext=0), v7, 0x3c003c00, v8"),
"FmaF16 v71, v7, 0x3c003c00, v8"),
"V_FMAMK_F16 did not lower with the literal in source 1");
Check(
Common::ContainsStr(result.ir_dump,
"FmaF16 v72.sdwa(sel=4,sext=0), v9, v10, 0x40004000"),
"FmaF16 v72, v9, v10, 0x40004000"),
"V_FMAAK_F16 did not lower with the literal in source 2");
Check(SpirvContainsOpcode(result.spirv, 130),
"SPIR-V binary does not contain OpISub for S_SUBB_U32");