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shader: support V_CMPX_EQ_U16 (#816)

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* shader: support V_CMPX_EQ_U16

Decode gfx11 VOPC 0xba and lower it as an unsigned 16-bit equality
compare with CMPX EXEC-mask semantics.

🤖 Generated with Codebuff 🤖
Co-Authored-By: Codebuff <noreply@codebuff.com>

* shader: correct CMPX EQ U16 runtime expectations

Remove the added CFG tests and correct two EXEC expectations in the compute regression case.

---------

Co-authored-by: Matthew Hurley <171001439+theantipopau@users.noreply.github.com>
Co-authored-by: Codebuff <noreply@codebuff.com>
Co-authored-by: nmzik <Nmzik@mail.ru>
This commit is contained in:
Matthew Hurley
2026-09-25 08:27:44 +10:00
committed by GitHub
parent e73324c2e0
commit 5a705dd15f
4 changed files with 80 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.h
+1
View File
@@ -404,6 +404,7 @@ enum class Opcode {
V_CMP_LE_U16,
V_CMP_GT_U16,
V_CMPX_LT_U16,
V_CMPX_EQ_U16,
V_CMPX_GT_U16,
V_CMP_NE_U16,
V_CMP_GE_U16,
src/graphics/shader/recompiler/frontend/decode/VectorAluOps.cpp
+2 -1
View File
@@ -231,7 +231,7 @@ constexpr VopcOpcodeInfo VOPC_OPCODE_LIST[] = {
{0xa9u, Opcode::V_CMP_LT_U16}, {0xaau, Opcode::V_CMP_EQ_U16},
{0xabu, Opcode::V_CMP_LE_U16}, {0xacu, Opcode::V_CMP_GT_U16},
{0xadu, Opcode::V_CMP_NE_U16}, {0xaeu, Opcode::V_CMP_GE_U16},
{0xb9u, Opcode::V_CMPX_LT_U16, false},
{0xb9u, Opcode::V_CMPX_LT_U16, false}, {0xbau, Opcode::V_CMPX_EQ_U16, false},
{0xbcu, Opcode::V_CMPX_GT_U16}, {0xc0u, Opcode::V_CMP_F_U32},
{0xc1u, Opcode::V_CMP_LT_U32}, {0xc2u, Opcode::V_CMP_EQ_U32},
{0xc3u, Opcode::V_CMP_LE_U32}, {0xc4u, Opcode::V_CMP_GT_U32},
@@ -1454,6 +1454,7 @@ bool IsVopcCompareExec(Opcode opcode) {
case Opcode::V_CMPX_NE_I64:
case Opcode::V_CMPX_NE_U64:
case Opcode::V_CMPX_LT_U16:
case Opcode::V_CMPX_EQ_U16:
case Opcode::V_CMPX_GT_U16:
case Opcode::V_CMPX_LT_F16:
case Opcode::V_CMPX_EQ_F16:
src/graphics/shader/recompiler/frontend/translate/Vector.cpp
+3
View File
@@ -141,6 +141,9 @@ bool Translator::EmitVector(const Decoder::Instruction& inst) {
case O::V_CMPX_LT_U16:
EmitInteger16Compare(inst, IR::ValueOpcode::ULessThan32, false, true);
return true;
case O::V_CMPX_EQ_U16:
EmitInteger16Compare(inst, IR::ValueOpcode::IEqual32, false, true);
return true;
case O::V_CMP_LE_U16:
EmitInteger16Compare(inst, IR::ValueOpcode::ULessThanEqual32, false, false);
return true;