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shader: implement RDNA2 FP64 equality comparisons

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Co-authored-by: Senaxx <michelbeld@gmail.com>
Co-authored-by: Ali Almohaya <AliAlmohaya@gmail.com>
This commit is contained in:
nmzik
2026-10-01 09:48:26 +04:00
parent 64dcbe0ea1
commit 581dad7dd3
8 changed files with 125 additions and 4 deletions
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src/graphics/shader/recompiler/frontend/decode/ShaderDecoder.h
+1
View File
@@ -355,6 +355,7 @@ enum class Opcode {
V_CMP_NEQ_F32,
V_CMP_NLT_F32,
V_CMP_TRU_F32,
V_CMP_EQ_F64,
V_CMPX_LT_F32,
V_CMPX_EQ_F32,
V_CMPX_LE_F32,
src/graphics/shader/recompiler/frontend/decode/VectorAluOps.cpp
+3 -1
View File
@@ -228,6 +228,7 @@ constexpr VopcOpcodeInfo VOPC_OPCODE_LIST[] = {
{0x19u, Opcode::V_CMPX_NGE_F32}, {0x1au, Opcode::V_CMPX_NLG_F32},
{0x1bu, Opcode::V_CMPX_NGT_F32}, {0x1cu, Opcode::V_CMPX_NLE_F32},
{0x1du, Opcode::V_CMPX_NEQ_F32}, {0x1eu, Opcode::V_CMPX_NLT_F32},
{0x22u, Opcode::V_CMP_EQ_F64, false},
{0x80u, Opcode::V_CMP_F_I32}, {0x81u, Opcode::V_CMP_LT_I32},
{0x82u, Opcode::V_CMP_EQ_I32}, {0x83u, Opcode::V_CMP_LE_I32},
{0x84u, Opcode::V_CMP_GT_I32}, {0x85u, Opcode::V_CMP_NE_I32},
@@ -829,6 +830,7 @@ bool IsVopcFloatCompareOpcode(Opcode opcode) {
case Opcode::V_CMP_F_F32:
case Opcode::V_CMP_LT_F32:
case Opcode::V_CMP_EQ_F32:
case Opcode::V_CMP_EQ_F64:
case Opcode::V_CMP_LE_F32:
case Opcode::V_CMP_GT_F32:
case Opcode::V_CMP_LG_F32:
@@ -1139,7 +1141,7 @@ VopcSdwaFields DecodeVopcSdwaFields(uint32_t modifier) {
}
bool SupportsVopcSdwa(Opcode opcode) {
return opcode != Opcode::UNSUPPORTED;
return opcode != Opcode::UNSUPPORTED && opcode != Opcode::V_CMP_EQ_F64;
}
void DecodeVopcSdwa(uint32_t pc, std::span<const uint32_t> code, uint32_t word_index,