let Predicates = [isEGorCayman] in {
+ // BFE_UINT - bit_extract, an optimization for mask and shift
+ // Src0 = Input
+ // Src1 = Offset
+ // Src2 = Width
+ //
+ // bit_extract = (Input << (32 - Offset - Width)) >> (32 - Width)
+ //
+ // Example Usage:
+ // (Offset, Width)
+ //
+ // (0, 8) = (Input << 24) >> 24 = (Input & 0xff) >> 0
+ // (8, 8) = (Input << 16) >> 24 = (Input & 0xffff) >> 8
+ // (16,8) = (Input << 8) >> 24 = (Input & 0xffffff) >> 16
+ // (24,8) = (Input << 0) >> 24 = (Input & 0xffffffff) >> 24
+ def BFE_UINT_eg : R600_3OP <0x4, "BFE_UINT",
+ [(set R600_Reg32:$dst, (int_AMDIL_bit_extract_u32 R600_Reg32:$src0,
+ R600_Reg32:$src1,
+ R600_Reg32:$src2))],
+ VecALU
+ >;
+
def BIT_ALIGN_INT_eg : R600_3OP <0xC, "BIT_ALIGN_INT",
[(set R600_Reg32:$dst, (AMDGPUbitalign R600_Reg32:$src0, R600_Reg32:$src1,
R600_Reg32:$src2))],
} // End usesCustomInserter = 1
-class VTX_READ_eg <int buffer_id, list<dag> pattern> : InstR600ISA <
- (outs R600_TReg32_X:$dst),
- (ins MEMxi:$ptr),
- "VTX_READ_eg $dst, $ptr",
- pattern
->;
+// Floating point global_store
+def : Pat <
+ (global_store (f32 R600_TReg32_X:$val), R600_TReg32_X:$ptr),
+ (RAT_WRITE_CACHELESS_eg R600_TReg32_X:$val, R600_TReg32_X:$ptr)
+>;
+
+class VTX_READ_eg <bits<8> buffer_id, dag outs, list<dag> pattern>
+ : InstR600ISA <outs, (ins MEMxi:$ptr), "VTX_READ_eg $dst, $ptr", pattern> {
+
+ // Operands
+ bits<7> DST_GPR;
+ bits<7> SRC_GPR;
+
+ // Static fields
+ bits<5> VC_INST = 0;
+ bits<2> FETCH_TYPE = 2;
+ bits<1> FETCH_WHOLE_QUAD = 0;
+ bits<8> BUFFER_ID = buffer_id;
+ bits<1> SRC_REL = 0;
+ // XXX: We can infer this field based on the SRC_GPR. This would allow us
+ // to store vertex addresses in any channel, not just X.
+ bits<2> SRC_SEL_X = 0;
+ bits<6> MEGA_FETCH_COUNT;
+ bits<1> DST_REL = 0;
+ bits<3> DST_SEL_X;
+ bits<3> DST_SEL_Y;
+ bits<3> DST_SEL_Z;
+ bits<3> DST_SEL_W;
+ // The docs say that if this bit is set, then DATA_FORMAT, NUM_FORMAT_ALL,
+ // FORMAT_COMP_ALL, SRF_MODE_ALL, and ENDIAN_SWAP fields will be ignored,
+ // however, based on my testing if USE_CONST_FIELDS is set, then all
+ // these fields need to be set to 0.
+ bits<1> USE_CONST_FIELDS = 0;
+ bits<6> DATA_FORMAT;
+ bits<2> NUM_FORMAT_ALL = 1;
+ bits<1> FORMAT_COMP_ALL = 0;
+ bits<1> SRF_MODE_ALL = 0;
+
+ // LLVM can only encode 64-bit instructions, so these fields are manually
+ // encoded in R600CodeEmitter
+ //
+ // bits<16> OFFSET;
+ // bits<2> ENDIAN_SWAP = 0;
+ // bits<1> CONST_BUF_NO_STRIDE = 0;
+ // bits<1> MEGA_FETCH = 0;
+ // bits<1> ALT_CONST = 0;
+ // bits<2> BUFFER_INDEX_MODE = 0;
+
+ // VTX_WORD0
+ let Inst{4-0} = VC_INST;
+ let Inst{6-5} = FETCH_TYPE;
+ let Inst{7} = FETCH_WHOLE_QUAD;
+ let Inst{15-8} = BUFFER_ID;
+ let Inst{22-16} = SRC_GPR;
+ let Inst{23} = SRC_REL;
+ let Inst{25-24} = SRC_SEL_X;
+ let Inst{31-26} = MEGA_FETCH_COUNT;
+
+ // VTX_WORD1_GPR
+ let Inst{38-32} = DST_GPR;
+ let Inst{39} = DST_REL;
+ let Inst{40} = 0; // Reserved
+ let Inst{43-41} = DST_SEL_X;
+ let Inst{46-44} = DST_SEL_Y;
+ let Inst{49-47} = DST_SEL_Z;
+ let Inst{52-50} = DST_SEL_W;
+ let Inst{53} = USE_CONST_FIELDS;
+ let Inst{59-54} = DATA_FORMAT;
+ let Inst{61-60} = NUM_FORMAT_ALL;
+ let Inst{62} = FORMAT_COMP_ALL;
+ let Inst{63} = SRF_MODE_ALL;
+
+ // VTX_WORD2 (LLVM can only encode 64-bit instructions, so WORD2 encoding
+ // is done in R600CodeEmitter
+ //
+ // Inst{79-64} = OFFSET;
+ // Inst{81-80} = ENDIAN_SWAP;
+ // Inst{82} = CONST_BUF_NO_STRIDE;
+ // Inst{83} = MEGA_FETCH;
+ // Inst{84} = ALT_CONST;
+ // Inst{86-85} = BUFFER_INDEX_MODE;
+ // Inst{95-86} = 0; Reserved
+
+ // VTX_WORD3 (Padding)
+ //
+ // Inst{127-96} = 0;
+}
+
+class VTX_READ_32_eg <bits<8> buffer_id, list<dag> pattern>
+ : VTX_READ_eg <buffer_id, (outs R600_TReg32_X:$dst), pattern> {
-def VTX_READ_PARAM_eg : VTX_READ_eg <0,
+ let MEGA_FETCH_COUNT = 4;
+ let DST_SEL_X = 0;
+ let DST_SEL_Y = 7; // Masked
+ let DST_SEL_Z = 7; // Masked
+ let DST_SEL_W = 7; // Masked
+ let DATA_FORMAT = 0xD; // COLOR_32
+}
+
+def VTX_READ_PARAM_eg : VTX_READ_32_eg <0,
[(set (i32 R600_TReg32_X:$dst), (load_param ADDRVTX_READ:$ptr))]
>;
-def VTX_READ_GLOBAL_eg : VTX_READ_eg <1,
+def VTX_READ_GLOBAL_eg : VTX_READ_32_eg <1,
[(set (i32 R600_TReg32_X:$dst), (global_load ADDRVTX_READ:$ptr))]
>;
+class VTX_READ_128_eg <bits<8> buffer_id, list<dag> pattern>
+ : VTX_READ_eg <buffer_id, (outs R600_Reg128:$dst), pattern> {
+
+ let MEGA_FETCH_COUNT = 16;
+ let DST_SEL_X = 0;
+ let DST_SEL_Y = 1;
+ let DST_SEL_Z = 2;
+ let DST_SEL_W = 3;
+ let DATA_FORMAT = 0x22; // COLOR_32_32_32_32
+}
+
+def VTX_READ_GLOBAL_128_eg : VTX_READ_128_eg <1,
+ [(set (v4i32 R600_Reg128:$dst), (global_load ADDRVTX_READ:$ptr))]
+>;
+
}
let Predicates = [isCayman] in {
def : BitConvert <i32, f32, R600_Reg32>;
def : BitConvert <f32, i32, R600_Reg32>;
+def : BitConvert <v4f32, v4i32, R600_Reg128>;
} // End isR600toCayman Predicate
projects / mesa.git / blobdiff