gl_shader_decompiler: Implement BFE_IMM instruction.

This commit is contained in:
bunnei 2018-06-07 00:58:12 -04:00
parent 0cb7ce71e0
commit 92209f905f
2 changed files with 44 additions and 7 deletions

View file

@ -265,6 +265,17 @@ union Instruction {
BitField<49, 1, u64> negate_a;
} iscadd;
union {
BitField<20, 8, u64> shift_position;
BitField<28, 8, u64> shift_length;
BitField<48, 1, u64> negate_b;
BitField<49, 1, u64> negate_a;
u64 GetLeftShiftValue() const {
return 32 - (shift_position + shift_length);
}
} bfe;
union {
BitField<48, 1, u64> negate_b;
BitField<49, 1, u64> negate_c;
@ -478,6 +489,7 @@ public:
enum class Type {
Trivial,
Arithmetic,
Bfe,
Logic,
Shift,
ScaledAdd,
@ -584,9 +596,6 @@ private:
std::vector<Matcher> table = {
#define INST(bitstring, op, type, name) Detail::GetMatcher(bitstring, op, type, name)
INST("111000110011----", Id::KIL, Type::Flow, "KIL"),
INST("0100110000000---", Id::BFE_C, Type::Flow, "BFE_C"),
INST("0101110000000---", Id::BFE_R, Type::Flow, "BFE_R"),
INST("0011100-00000---", Id::BFE_IMM, Type::Flow, "BFE_IMM"),
INST("111000100100----", Id::BRA, Type::Flow, "BRA"),
INST("1110111111011---", Id::LD_A, Type::Memory, "LD_A"),
INST("1110111110010---", Id::LD_C, Type::Memory, "LD_C"),
@ -631,6 +640,9 @@ private:
INST("0100110000100---", Id::IMNMX_C, Type::Arithmetic, "FMNMX_IMM"),
INST("0101110000100---", Id::IMNMX_R, Type::Arithmetic, "FMNMX_IMM"),
INST("0011100-00100---", Id::IMNMX_IMM, Type::Arithmetic, "FMNMX_IMM"),
INST("0100110000000---", Id::BFE_C, Type::Bfe, "BFE_C"),
INST("0101110000000---", Id::BFE_R, Type::Bfe, "BFE_R"),
INST("0011100-00000---", Id::BFE_IMM, Type::Bfe, "BFE_IMM"),
INST("000001----------", Id::LOP32I, Type::Logic, "LOP32I"),
INST("0100110001001---", Id::SHL_C, Type::Shift, "SHL_C"),
INST("0101110001001---", Id::SHL_R, Type::Shift, "SHL_R"),