1 //===-- SIDefines.h - SI Helper Macros ----------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 /// \file
8 //===----------------------------------------------------------------------===//
9 
10 #include "llvm/MC/MCInstrDesc.h"
11 
12 #ifndef LLVM_LIB_TARGET_AMDGPU_SIDEFINES_H
13 #define LLVM_LIB_TARGET_AMDGPU_SIDEFINES_H
14 
15 namespace llvm {
16 
17 namespace SIInstrFlags {
18 // This needs to be kept in sync with the field bits in InstSI.
19 enum : uint64_t {
20   // Low bits - basic encoding information.
21   SALU = 1 << 0,
22   VALU = 1 << 1,
23 
24   // SALU instruction formats.
25   SOP1 = 1 << 2,
26   SOP2 = 1 << 3,
27   SOPC = 1 << 4,
28   SOPK = 1 << 5,
29   SOPP = 1 << 6,
30 
31   // VALU instruction formats.
32   VOP1 = 1 << 7,
33   VOP2 = 1 << 8,
34   VOPC = 1 << 9,
35 
36   // TODO: Should this be spilt into VOP3 a and b?
37   VOP3 = 1 << 10,
38   VOP3P = 1 << 12,
39 
40   VINTRP = 1 << 13,
41   SDWA = 1 << 14,
42   DPP = 1 << 15,
43   TRANS = 1 << 16,
44 
45   // Memory instruction formats.
46   MUBUF = 1 << 17,
47   MTBUF = 1 << 18,
48   SMRD = 1 << 19,
49   MIMG = 1 << 20,
50   EXP = 1 << 21,
51   FLAT = 1 << 22,
52   DS = 1 << 23,
53 
54   // Pseudo instruction formats.
55   VGPRSpill = 1 << 24,
56   SGPRSpill = 1 << 25,
57 
58   // High bits - other information.
59   VM_CNT = UINT64_C(1) << 32,
60   EXP_CNT = UINT64_C(1) << 33,
61   LGKM_CNT = UINT64_C(1) << 34,
62 
63   WQM = UINT64_C(1) << 35,
64   DisableWQM = UINT64_C(1) << 36,
65   Gather4 = UINT64_C(1) << 37,
66   SOPK_ZEXT = UINT64_C(1) << 38,
67   SCALAR_STORE = UINT64_C(1) << 39,
68   FIXED_SIZE = UINT64_C(1) << 40,
69   VOPAsmPrefer32Bit = UINT64_C(1) << 41,
70   VOP3_OPSEL = UINT64_C(1) << 42,
71   maybeAtomic = UINT64_C(1) << 43,
72   renamedInGFX9 = UINT64_C(1) << 44,
73 
74   // Is a clamp on FP type.
75   FPClamp = UINT64_C(1) << 45,
76 
77   // Is an integer clamp
78   IntClamp = UINT64_C(1) << 46,
79 
80   // Clamps lo component of register.
81   ClampLo = UINT64_C(1) << 47,
82 
83   // Clamps hi component of register.
84   // ClampLo and ClampHi set for packed clamp.
85   ClampHi = UINT64_C(1) << 48,
86 
87   // Is a packed VOP3P instruction.
88   IsPacked = UINT64_C(1) << 49,
89 
90   // Is a D16 buffer instruction.
91   D16Buf = UINT64_C(1) << 50,
92 
93   // FLAT instruction accesses FLAT_GLBL segment.
94   IsFlatGlobal = UINT64_C(1) << 51,
95 
96   // Uses floating point double precision rounding mode
97   FPDPRounding = UINT64_C(1) << 52,
98 
99   // Instruction is FP atomic.
100   FPAtomic = UINT64_C(1) << 53,
101 
102   // Is a MFMA instruction.
103   IsMAI = UINT64_C(1) << 54,
104 
105   // Is a DOT instruction.
106   IsDOT = UINT64_C(1) << 55,
107 
108   // FLAT instruction accesses FLAT_SCRATCH segment.
109   IsFlatScratch = UINT64_C(1) << 56,
110 
111   // Atomic without return.
112   IsAtomicNoRet = UINT64_C(1) << 57,
113 
114   // Atomic with return.
115   IsAtomicRet = UINT64_C(1) << 58
116 };
117 
118 // v_cmp_class_* etc. use a 10-bit mask for what operation is checked.
119 // The result is true if any of these tests are true.
120 enum ClassFlags : unsigned {
121   S_NAN = 1 << 0,        // Signaling NaN
122   Q_NAN = 1 << 1,        // Quiet NaN
123   N_INFINITY = 1 << 2,   // Negative infinity
124   N_NORMAL = 1 << 3,     // Negative normal
125   N_SUBNORMAL = 1 << 4,  // Negative subnormal
126   N_ZERO = 1 << 5,       // Negative zero
127   P_ZERO = 1 << 6,       // Positive zero
128   P_SUBNORMAL = 1 << 7,  // Positive subnormal
129   P_NORMAL = 1 << 8,     // Positive normal
130   P_INFINITY = 1 << 9    // Positive infinity
131 };
132 }
133 
134 namespace AMDGPU {
135   enum OperandType : unsigned {
136     /// Operands with register or 32-bit immediate
137     OPERAND_REG_IMM_INT32 = MCOI::OPERAND_FIRST_TARGET,
138     OPERAND_REG_IMM_INT64,
139     OPERAND_REG_IMM_INT16,
140     OPERAND_REG_IMM_FP32,
141     OPERAND_REG_IMM_FP64,
142     OPERAND_REG_IMM_FP16,
143     OPERAND_REG_IMM_V2FP16,
144     OPERAND_REG_IMM_V2INT16,
145     OPERAND_REG_IMM_V2INT32,
146     OPERAND_REG_IMM_V2FP32,
147 
148     /// Operands with register or inline constant
149     OPERAND_REG_INLINE_C_INT16,
150     OPERAND_REG_INLINE_C_INT32,
151     OPERAND_REG_INLINE_C_INT64,
152     OPERAND_REG_INLINE_C_FP16,
153     OPERAND_REG_INLINE_C_FP32,
154     OPERAND_REG_INLINE_C_FP64,
155     OPERAND_REG_INLINE_C_V2INT16,
156     OPERAND_REG_INLINE_C_V2FP16,
157     OPERAND_REG_INLINE_C_V2INT32,
158     OPERAND_REG_INLINE_C_V2FP32,
159 
160     /// Operands with an AccVGPR register or inline constant
161     OPERAND_REG_INLINE_AC_INT16,
162     OPERAND_REG_INLINE_AC_INT32,
163     OPERAND_REG_INLINE_AC_FP16,
164     OPERAND_REG_INLINE_AC_FP32,
165     OPERAND_REG_INLINE_AC_FP64,
166     OPERAND_REG_INLINE_AC_V2INT16,
167     OPERAND_REG_INLINE_AC_V2FP16,
168     OPERAND_REG_INLINE_AC_V2INT32,
169     OPERAND_REG_INLINE_AC_V2FP32,
170 
171     OPERAND_REG_IMM_FIRST = OPERAND_REG_IMM_INT32,
172     OPERAND_REG_IMM_LAST = OPERAND_REG_IMM_V2FP32,
173 
174     OPERAND_REG_INLINE_C_FIRST = OPERAND_REG_INLINE_C_INT16,
175     OPERAND_REG_INLINE_C_LAST = OPERAND_REG_INLINE_AC_V2FP32,
176 
177     OPERAND_REG_INLINE_AC_FIRST = OPERAND_REG_INLINE_AC_INT16,
178     OPERAND_REG_INLINE_AC_LAST = OPERAND_REG_INLINE_AC_V2FP32,
179 
180     OPERAND_SRC_FIRST = OPERAND_REG_IMM_INT32,
181     OPERAND_SRC_LAST = OPERAND_REG_INLINE_C_LAST,
182 
183     // Operand for source modifiers for VOP instructions
184     OPERAND_INPUT_MODS,
185 
186     // Operand for SDWA instructions
187     OPERAND_SDWA_VOPC_DST,
188 
189     /// Operand with 32-bit immediate that uses the constant bus.
190     OPERAND_KIMM32,
191     OPERAND_KIMM16
192   };
193 }
194 
195 // Input operand modifiers bit-masks
196 // NEG and SEXT share same bit-mask because they can't be set simultaneously.
197 namespace SISrcMods {
198   enum : unsigned {
199    NEG = 1 << 0,   // Floating-point negate modifier
200    ABS = 1 << 1,   // Floating-point absolute modifier
201    SEXT = 1 << 0,  // Integer sign-extend modifier
202    NEG_HI = ABS,   // Floating-point negate high packed component modifier.
203    OP_SEL_0 = 1 << 2,
204    OP_SEL_1 = 1 << 3,
205    DST_OP_SEL = 1 << 3 // VOP3 dst op_sel (share mask with OP_SEL_1)
206   };
207 }
208 
209 namespace SIOutMods {
210   enum : unsigned {
211     NONE = 0,
212     MUL2 = 1,
213     MUL4 = 2,
214     DIV2 = 3
215   };
216 }
217 
218 namespace AMDGPU {
219 namespace VGPRIndexMode {
220 
221 enum Id : unsigned { // id of symbolic names
222   ID_SRC0 = 0,
223   ID_SRC1,
224   ID_SRC2,
225   ID_DST,
226 
227   ID_MIN = ID_SRC0,
228   ID_MAX = ID_DST
229 };
230 
231 enum EncBits : unsigned {
232   OFF = 0,
233   SRC0_ENABLE = 1 << ID_SRC0,
234   SRC1_ENABLE = 1 << ID_SRC1,
235   SRC2_ENABLE = 1 << ID_SRC2,
236   DST_ENABLE = 1 << ID_DST,
237   ENABLE_MASK = SRC0_ENABLE | SRC1_ENABLE | SRC2_ENABLE | DST_ENABLE,
238   UNDEF = 0xFFFF
239 };
240 
241 } // namespace VGPRIndexMode
242 } // namespace AMDGPU
243 
244 namespace AMDGPUAsmVariants {
245   enum : unsigned {
246     DEFAULT = 0,
247     VOP3 = 1,
248     SDWA = 2,
249     SDWA9 = 3,
250     DPP = 4
251   };
252 }
253 
254 namespace AMDGPU {
255 namespace EncValues { // Encoding values of enum9/8/7 operands
256 
257 enum : unsigned {
258   SGPR_MIN = 0,
259   SGPR_MAX_SI = 101,
260   SGPR_MAX_GFX10 = 105,
261   TTMP_VI_MIN = 112,
262   TTMP_VI_MAX = 123,
263   TTMP_GFX9PLUS_MIN = 108,
264   TTMP_GFX9PLUS_MAX = 123,
265   INLINE_INTEGER_C_MIN = 128,
266   INLINE_INTEGER_C_POSITIVE_MAX = 192, // 64
267   INLINE_INTEGER_C_MAX = 208,
268   INLINE_FLOATING_C_MIN = 240,
269   INLINE_FLOATING_C_MAX = 248,
270   LITERAL_CONST = 255,
271   VGPR_MIN = 256,
272   VGPR_MAX = 511
273 };
274 
275 } // namespace EncValues
276 } // namespace AMDGPU
277 
278 namespace AMDGPU {
279 namespace SendMsg { // Encoding of SIMM16 used in s_sendmsg* insns.
280 
281 enum Id { // Message ID, width(4) [3:0].
282   ID_UNKNOWN_ = -1,
283   ID_INTERRUPT = 1,
284   ID_GS,
285   ID_GS_DONE,
286   ID_GS_ALLOC_REQ = 9,
287   ID_GET_DOORBELL = 10,
288   ID_SYSMSG = 15,
289   ID_GAPS_LAST_, // Indicate that sequence has gaps.
290   ID_GAPS_FIRST_ = ID_INTERRUPT,
291   ID_SHIFT_ = 0,
292   ID_WIDTH_ = 4,
293   ID_MASK_ = (((1 << ID_WIDTH_) - 1) << ID_SHIFT_)
294 };
295 
296 enum Op { // Both GS and SYS operation IDs.
297   OP_UNKNOWN_ = -1,
298   OP_SHIFT_ = 4,
299   OP_NONE_ = 0,
300   // Bits used for operation encoding
301   OP_WIDTH_ = 3,
302   OP_MASK_ = (((1 << OP_WIDTH_) - 1) << OP_SHIFT_),
303   // GS operations are encoded in bits 5:4
304   OP_GS_NOP = 0,
305   OP_GS_CUT,
306   OP_GS_EMIT,
307   OP_GS_EMIT_CUT,
308   OP_GS_LAST_,
309   OP_GS_FIRST_ = OP_GS_NOP,
310   // SYS operations are encoded in bits 6:4
311   OP_SYS_ECC_ERR_INTERRUPT = 1,
312   OP_SYS_REG_RD,
313   OP_SYS_HOST_TRAP_ACK,
314   OP_SYS_TTRACE_PC,
315   OP_SYS_LAST_,
316   OP_SYS_FIRST_ = OP_SYS_ECC_ERR_INTERRUPT,
317 };
318 
319 enum StreamId : unsigned { // Stream ID, (2) [9:8].
320   STREAM_ID_NONE_ = 0,
321   STREAM_ID_DEFAULT_ = 0,
322   STREAM_ID_LAST_ = 4,
323   STREAM_ID_FIRST_ = STREAM_ID_DEFAULT_,
324   STREAM_ID_SHIFT_ = 8,
325   STREAM_ID_WIDTH_=  2,
326   STREAM_ID_MASK_ = (((1 << STREAM_ID_WIDTH_) - 1) << STREAM_ID_SHIFT_)
327 };
328 
329 } // namespace SendMsg
330 
331 namespace Hwreg { // Encoding of SIMM16 used in s_setreg/getreg* insns.
332 
333 enum Id { // HwRegCode, (6) [5:0]
334   ID_UNKNOWN_ = -1,
335   ID_SYMBOLIC_FIRST_ = 1, // There are corresponding symbolic names defined.
336   ID_MODE = 1,
337   ID_STATUS = 2,
338   ID_TRAPSTS = 3,
339   ID_HW_ID = 4,
340   ID_GPR_ALLOC = 5,
341   ID_LDS_ALLOC = 6,
342   ID_IB_STS = 7,
343   ID_MEM_BASES = 15,
344   ID_SYMBOLIC_FIRST_GFX9_ = ID_MEM_BASES,
345   ID_TBA_LO = 16,
346   ID_SYMBOLIC_FIRST_GFX10_ = ID_TBA_LO,
347   ID_TBA_HI = 17,
348   ID_TMA_LO = 18,
349   ID_TMA_HI = 19,
350   ID_FLAT_SCR_LO = 20,
351   ID_FLAT_SCR_HI = 21,
352   ID_XNACK_MASK = 22,
353   ID_POPS_PACKER = 25,
354   ID_SHADER_CYCLES = 29,
355   ID_SYMBOLIC_FIRST_GFX1030_ = ID_SHADER_CYCLES,
356   ID_SYMBOLIC_LAST_ = 30,
357   ID_SHIFT_ = 0,
358   ID_WIDTH_ = 6,
359   ID_MASK_ = (((1 << ID_WIDTH_) - 1) << ID_SHIFT_)
360 };
361 
362 enum Offset : unsigned { // Offset, (5) [10:6]
363   OFFSET_DEFAULT_ = 0,
364   OFFSET_SHIFT_ = 6,
365   OFFSET_WIDTH_ = 5,
366   OFFSET_MASK_ = (((1 << OFFSET_WIDTH_) - 1) << OFFSET_SHIFT_),
367 
368   OFFSET_MEM_VIOL = 8,
369 
370   OFFSET_SRC_SHARED_BASE = 16,
371   OFFSET_SRC_PRIVATE_BASE = 0
372 };
373 
374 enum WidthMinusOne : unsigned { // WidthMinusOne, (5) [15:11]
375   WIDTH_M1_DEFAULT_ = 31,
376   WIDTH_M1_SHIFT_ = 11,
377   WIDTH_M1_WIDTH_ = 5,
378   WIDTH_M1_MASK_ = (((1 << WIDTH_M1_WIDTH_) - 1) << WIDTH_M1_SHIFT_),
379 
380   WIDTH_M1_SRC_SHARED_BASE = 15,
381   WIDTH_M1_SRC_PRIVATE_BASE = 15
382 };
383 
384 // Some values from WidthMinusOne mapped into Width domain.
385 enum Width : unsigned {
386   WIDTH_DEFAULT_ = WIDTH_M1_DEFAULT_ + 1,
387 };
388 
389 enum ModeRegisterMasks : uint32_t {
390   FP_ROUND_MASK = 0xf << 0,  // Bits 0..3
391   FP_DENORM_MASK = 0xf << 4, // Bits 4..7
392   DX10_CLAMP_MASK = 1 << 8,
393   IEEE_MODE_MASK = 1 << 9,
394   LOD_CLAMP_MASK = 1 << 10,
395   DEBUG_MASK = 1 << 11,
396 
397   // EXCP_EN fields.
398   EXCP_EN_INVALID_MASK = 1 << 12,
399   EXCP_EN_INPUT_DENORMAL_MASK = 1 << 13,
400   EXCP_EN_FLOAT_DIV0_MASK = 1 << 14,
401   EXCP_EN_OVERFLOW_MASK = 1 << 15,
402   EXCP_EN_UNDERFLOW_MASK = 1 << 16,
403   EXCP_EN_INEXACT_MASK = 1 << 17,
404   EXCP_EN_INT_DIV0_MASK = 1 << 18,
405 
406   GPR_IDX_EN_MASK = 1 << 27,
407   VSKIP_MASK = 1 << 28,
408   CSP_MASK = 0x7u << 29 // Bits 29..31
409 };
410 
411 } // namespace Hwreg
412 
413 namespace MTBUFFormat {
414 
415 enum DataFormat : int64_t {
416   DFMT_INVALID = 0,
417   DFMT_8,
418   DFMT_16,
419   DFMT_8_8,
420   DFMT_32,
421   DFMT_16_16,
422   DFMT_10_11_11,
423   DFMT_11_11_10,
424   DFMT_10_10_10_2,
425   DFMT_2_10_10_10,
426   DFMT_8_8_8_8,
427   DFMT_32_32,
428   DFMT_16_16_16_16,
429   DFMT_32_32_32,
430   DFMT_32_32_32_32,
431   DFMT_RESERVED_15,
432 
433   DFMT_MIN = DFMT_INVALID,
434   DFMT_MAX = DFMT_RESERVED_15,
435 
436   DFMT_UNDEF = -1,
437   DFMT_DEFAULT = DFMT_8,
438 
439   DFMT_SHIFT = 0,
440   DFMT_MASK = 0xF
441 };
442 
443 enum NumFormat : int64_t {
444   NFMT_UNORM = 0,
445   NFMT_SNORM,
446   NFMT_USCALED,
447   NFMT_SSCALED,
448   NFMT_UINT,
449   NFMT_SINT,
450   NFMT_RESERVED_6,                    // VI and GFX9
451   NFMT_SNORM_OGL = NFMT_RESERVED_6,   // SI and CI only
452   NFMT_FLOAT,
453 
454   NFMT_MIN = NFMT_UNORM,
455   NFMT_MAX = NFMT_FLOAT,
456 
457   NFMT_UNDEF = -1,
458   NFMT_DEFAULT = NFMT_UNORM,
459 
460   NFMT_SHIFT = 4,
461   NFMT_MASK = 7
462 };
463 
464 enum MergedFormat : int64_t {
465   DFMT_NFMT_UNDEF = -1,
466   DFMT_NFMT_DEFAULT = ((DFMT_DEFAULT & DFMT_MASK) << DFMT_SHIFT) |
467                       ((NFMT_DEFAULT & NFMT_MASK) << NFMT_SHIFT),
468 
469 
470   DFMT_NFMT_MASK = (DFMT_MASK << DFMT_SHIFT) | (NFMT_MASK << NFMT_SHIFT),
471 
472   DFMT_NFMT_MAX = DFMT_NFMT_MASK
473 };
474 
475 enum UnifiedFormat : int64_t {
476   UFMT_INVALID = 0,
477 
478   UFMT_8_UNORM,
479   UFMT_8_SNORM,
480   UFMT_8_USCALED,
481   UFMT_8_SSCALED,
482   UFMT_8_UINT,
483   UFMT_8_SINT,
484 
485   UFMT_16_UNORM,
486   UFMT_16_SNORM,
487   UFMT_16_USCALED,
488   UFMT_16_SSCALED,
489   UFMT_16_UINT,
490   UFMT_16_SINT,
491   UFMT_16_FLOAT,
492 
493   UFMT_8_8_UNORM,
494   UFMT_8_8_SNORM,
495   UFMT_8_8_USCALED,
496   UFMT_8_8_SSCALED,
497   UFMT_8_8_UINT,
498   UFMT_8_8_SINT,
499 
500   UFMT_32_UINT,
501   UFMT_32_SINT,
502   UFMT_32_FLOAT,
503 
504   UFMT_16_16_UNORM,
505   UFMT_16_16_SNORM,
506   UFMT_16_16_USCALED,
507   UFMT_16_16_SSCALED,
508   UFMT_16_16_UINT,
509   UFMT_16_16_SINT,
510   UFMT_16_16_FLOAT,
511 
512   UFMT_10_11_11_UNORM,
513   UFMT_10_11_11_SNORM,
514   UFMT_10_11_11_USCALED,
515   UFMT_10_11_11_SSCALED,
516   UFMT_10_11_11_UINT,
517   UFMT_10_11_11_SINT,
518   UFMT_10_11_11_FLOAT,
519 
520   UFMT_11_11_10_UNORM,
521   UFMT_11_11_10_SNORM,
522   UFMT_11_11_10_USCALED,
523   UFMT_11_11_10_SSCALED,
524   UFMT_11_11_10_UINT,
525   UFMT_11_11_10_SINT,
526   UFMT_11_11_10_FLOAT,
527 
528   UFMT_10_10_10_2_UNORM,
529   UFMT_10_10_10_2_SNORM,
530   UFMT_10_10_10_2_USCALED,
531   UFMT_10_10_10_2_SSCALED,
532   UFMT_10_10_10_2_UINT,
533   UFMT_10_10_10_2_SINT,
534 
535   UFMT_2_10_10_10_UNORM,
536   UFMT_2_10_10_10_SNORM,
537   UFMT_2_10_10_10_USCALED,
538   UFMT_2_10_10_10_SSCALED,
539   UFMT_2_10_10_10_UINT,
540   UFMT_2_10_10_10_SINT,
541 
542   UFMT_8_8_8_8_UNORM,
543   UFMT_8_8_8_8_SNORM,
544   UFMT_8_8_8_8_USCALED,
545   UFMT_8_8_8_8_SSCALED,
546   UFMT_8_8_8_8_UINT,
547   UFMT_8_8_8_8_SINT,
548 
549   UFMT_32_32_UINT,
550   UFMT_32_32_SINT,
551   UFMT_32_32_FLOAT,
552 
553   UFMT_16_16_16_16_UNORM,
554   UFMT_16_16_16_16_SNORM,
555   UFMT_16_16_16_16_USCALED,
556   UFMT_16_16_16_16_SSCALED,
557   UFMT_16_16_16_16_UINT,
558   UFMT_16_16_16_16_SINT,
559   UFMT_16_16_16_16_FLOAT,
560 
561   UFMT_32_32_32_UINT,
562   UFMT_32_32_32_SINT,
563   UFMT_32_32_32_FLOAT,
564   UFMT_32_32_32_32_UINT,
565   UFMT_32_32_32_32_SINT,
566   UFMT_32_32_32_32_FLOAT,
567 
568   UFMT_FIRST = UFMT_INVALID,
569   UFMT_LAST = UFMT_32_32_32_32_FLOAT,
570 
571   UFMT_MAX = 127,
572 
573   UFMT_UNDEF = -1,
574   UFMT_DEFAULT = UFMT_8_UNORM
575 };
576 
577 } // namespace MTBUFFormat
578 
579 namespace Swizzle { // Encoding of swizzle macro used in ds_swizzle_b32.
580 
581 enum Id : unsigned { // id of symbolic names
582   ID_QUAD_PERM = 0,
583   ID_BITMASK_PERM,
584   ID_SWAP,
585   ID_REVERSE,
586   ID_BROADCAST
587 };
588 
589 enum EncBits : unsigned {
590 
591   // swizzle mode encodings
592 
593   QUAD_PERM_ENC         = 0x8000,
594   QUAD_PERM_ENC_MASK    = 0xFF00,
595 
596   BITMASK_PERM_ENC      = 0x0000,
597   BITMASK_PERM_ENC_MASK = 0x8000,
598 
599   // QUAD_PERM encodings
600 
601   LANE_MASK             = 0x3,
602   LANE_MAX              = LANE_MASK,
603   LANE_SHIFT            = 2,
604   LANE_NUM              = 4,
605 
606   // BITMASK_PERM encodings
607 
608   BITMASK_MASK          = 0x1F,
609   BITMASK_MAX           = BITMASK_MASK,
610   BITMASK_WIDTH         = 5,
611 
612   BITMASK_AND_SHIFT     = 0,
613   BITMASK_OR_SHIFT      = 5,
614   BITMASK_XOR_SHIFT     = 10
615 };
616 
617 } // namespace Swizzle
618 
619 namespace SDWA {
620 
621 enum SdwaSel : unsigned {
622   BYTE_0 = 0,
623   BYTE_1 = 1,
624   BYTE_2 = 2,
625   BYTE_3 = 3,
626   WORD_0 = 4,
627   WORD_1 = 5,
628   DWORD = 6,
629 };
630 
631 enum DstUnused : unsigned {
632   UNUSED_PAD = 0,
633   UNUSED_SEXT = 1,
634   UNUSED_PRESERVE = 2,
635 };
636 
637 enum SDWA9EncValues : unsigned {
638   SRC_SGPR_MASK = 0x100,
639   SRC_VGPR_MASK = 0xFF,
640   VOPC_DST_VCC_MASK = 0x80,
641   VOPC_DST_SGPR_MASK = 0x7F,
642 
643   SRC_VGPR_MIN = 0,
644   SRC_VGPR_MAX = 255,
645   SRC_SGPR_MIN = 256,
646   SRC_SGPR_MAX_SI = 357,
647   SRC_SGPR_MAX_GFX10 = 361,
648   SRC_TTMP_MIN = 364,
649   SRC_TTMP_MAX = 379,
650 };
651 
652 } // namespace SDWA
653 
654 namespace DPP {
655 
656 enum DppCtrl : unsigned {
657   QUAD_PERM_FIRST   = 0,
658   QUAD_PERM_ID      = 0xE4, // identity permutation
659   QUAD_PERM_LAST    = 0xFF,
660   DPP_UNUSED1       = 0x100,
661   ROW_SHL0          = 0x100,
662   ROW_SHL_FIRST     = 0x101,
663   ROW_SHL_LAST      = 0x10F,
664   DPP_UNUSED2       = 0x110,
665   ROW_SHR0          = 0x110,
666   ROW_SHR_FIRST     = 0x111,
667   ROW_SHR_LAST      = 0x11F,
668   DPP_UNUSED3       = 0x120,
669   ROW_ROR0          = 0x120,
670   ROW_ROR_FIRST     = 0x121,
671   ROW_ROR_LAST      = 0x12F,
672   WAVE_SHL1         = 0x130,
673   DPP_UNUSED4_FIRST = 0x131,
674   DPP_UNUSED4_LAST  = 0x133,
675   WAVE_ROL1         = 0x134,
676   DPP_UNUSED5_FIRST = 0x135,
677   DPP_UNUSED5_LAST  = 0x137,
678   WAVE_SHR1         = 0x138,
679   DPP_UNUSED6_FIRST = 0x139,
680   DPP_UNUSED6_LAST  = 0x13B,
681   WAVE_ROR1         = 0x13C,
682   DPP_UNUSED7_FIRST = 0x13D,
683   DPP_UNUSED7_LAST  = 0x13F,
684   ROW_MIRROR        = 0x140,
685   ROW_HALF_MIRROR   = 0x141,
686   BCAST15           = 0x142,
687   BCAST31           = 0x143,
688   DPP_UNUSED8_FIRST = 0x144,
689   DPP_UNUSED8_LAST  = 0x14F,
690   ROW_NEWBCAST_FIRST= 0x150,
691   ROW_NEWBCAST_LAST = 0x15F,
692   ROW_SHARE_FIRST   = 0x150,
693   ROW_SHARE_LAST    = 0x15F,
694   ROW_XMASK_FIRST   = 0x160,
695   ROW_XMASK_LAST    = 0x16F,
696   DPP_LAST          = ROW_XMASK_LAST
697 };
698 
699 enum DppFiMode {
700   DPP_FI_0  = 0,
701   DPP_FI_1  = 1,
702   DPP8_FI_0 = 0xE9,
703   DPP8_FI_1 = 0xEA,
704 };
705 
706 } // namespace DPP
707 
708 namespace Exp {
709 
710 enum Target : unsigned {
711   ET_MRT0 = 0,
712   ET_MRT7 = 7,
713   ET_MRTZ = 8,
714   ET_NULL = 9,
715   ET_POS0 = 12,
716   ET_POS3 = 15,
717   ET_POS4 = 16,          // GFX10+
718   ET_POS_LAST = ET_POS4, // Highest pos used on any subtarget
719   ET_PRIM = 20,          // GFX10+
720   ET_PARAM0 = 32,
721   ET_PARAM31 = 63,
722 
723   ET_NULL_MAX_IDX = 0,
724   ET_MRTZ_MAX_IDX = 0,
725   ET_PRIM_MAX_IDX = 0,
726   ET_MRT_MAX_IDX = 7,
727   ET_POS_MAX_IDX = 4,
728   ET_PARAM_MAX_IDX = 31,
729 
730   ET_INVALID = 255,
731 };
732 
733 } // namespace Exp
734 } // namespace AMDGPU
735 
736 #define R_00B028_SPI_SHADER_PGM_RSRC1_PS                                0x00B028
737 #define   S_00B028_VGPRS(x)                                           (((x) & 0x3F) << 0)
738 #define   S_00B028_SGPRS(x)                                           (((x) & 0x0F) << 6)
739 #define   S_00B028_MEM_ORDERED(x)                                     (((x) & 0x1) << 25)
740 #define   G_00B028_MEM_ORDERED(x)                                     (((x) >> 25) & 0x1)
741 #define   C_00B028_MEM_ORDERED                                        0xFDFFFFFF
742 
743 #define R_00B02C_SPI_SHADER_PGM_RSRC2_PS                                0x00B02C
744 #define   S_00B02C_EXTRA_LDS_SIZE(x)                                  (((x) & 0xFF) << 8)
745 #define R_00B128_SPI_SHADER_PGM_RSRC1_VS                                0x00B128
746 #define   S_00B128_MEM_ORDERED(x)                                     (((x) & 0x1) << 27)
747 #define   G_00B128_MEM_ORDERED(x)                                     (((x) >> 27) & 0x1)
748 #define   C_00B128_MEM_ORDERED                                        0xF7FFFFFF
749 
750 #define R_00B228_SPI_SHADER_PGM_RSRC1_GS                                0x00B228
751 #define   S_00B228_WGP_MODE(x)                                        (((x) & 0x1) << 27)
752 #define   G_00B228_WGP_MODE(x)                                        (((x) >> 27) & 0x1)
753 #define   C_00B228_WGP_MODE                                           0xF7FFFFFF
754 #define   S_00B228_MEM_ORDERED(x)                                     (((x) & 0x1) << 25)
755 #define   G_00B228_MEM_ORDERED(x)                                     (((x) >> 25) & 0x1)
756 #define   C_00B228_MEM_ORDERED                                        0xFDFFFFFF
757 
758 #define R_00B328_SPI_SHADER_PGM_RSRC1_ES                                0x00B328
759 #define R_00B428_SPI_SHADER_PGM_RSRC1_HS                                0x00B428
760 #define   S_00B428_WGP_MODE(x)                                        (((x) & 0x1) << 26)
761 #define   G_00B428_WGP_MODE(x)                                        (((x) >> 26) & 0x1)
762 #define   C_00B428_WGP_MODE                                           0xFBFFFFFF
763 #define   S_00B428_MEM_ORDERED(x)                                     (((x) & 0x1) << 24)
764 #define   G_00B428_MEM_ORDERED(x)                                     (((x) >> 24) & 0x1)
765 #define   C_00B428_MEM_ORDERED                                        0xFEFFFFFF
766 
767 #define R_00B528_SPI_SHADER_PGM_RSRC1_LS                                0x00B528
768 
769 #define R_00B84C_COMPUTE_PGM_RSRC2                                      0x00B84C
770 #define   S_00B84C_SCRATCH_EN(x)                                      (((x) & 0x1) << 0)
771 #define   G_00B84C_SCRATCH_EN(x)                                      (((x) >> 0) & 0x1)
772 #define   C_00B84C_SCRATCH_EN                                         0xFFFFFFFE
773 #define   S_00B84C_USER_SGPR(x)                                       (((x) & 0x1F) << 1)
774 #define   G_00B84C_USER_SGPR(x)                                       (((x) >> 1) & 0x1F)
775 #define   C_00B84C_USER_SGPR                                          0xFFFFFFC1
776 #define   S_00B84C_TRAP_HANDLER(x)                                    (((x) & 0x1) << 6)
777 #define   G_00B84C_TRAP_HANDLER(x)                                    (((x) >> 6) & 0x1)
778 #define   C_00B84C_TRAP_HANDLER                                       0xFFFFFFBF
779 #define   S_00B84C_TGID_X_EN(x)                                       (((x) & 0x1) << 7)
780 #define   G_00B84C_TGID_X_EN(x)                                       (((x) >> 7) & 0x1)
781 #define   C_00B84C_TGID_X_EN                                          0xFFFFFF7F
782 #define   S_00B84C_TGID_Y_EN(x)                                       (((x) & 0x1) << 8)
783 #define   G_00B84C_TGID_Y_EN(x)                                       (((x) >> 8) & 0x1)
784 #define   C_00B84C_TGID_Y_EN                                          0xFFFFFEFF
785 #define   S_00B84C_TGID_Z_EN(x)                                       (((x) & 0x1) << 9)
786 #define   G_00B84C_TGID_Z_EN(x)                                       (((x) >> 9) & 0x1)
787 #define   C_00B84C_TGID_Z_EN                                          0xFFFFFDFF
788 #define   S_00B84C_TG_SIZE_EN(x)                                      (((x) & 0x1) << 10)
789 #define   G_00B84C_TG_SIZE_EN(x)                                      (((x) >> 10) & 0x1)
790 #define   C_00B84C_TG_SIZE_EN                                         0xFFFFFBFF
791 #define   S_00B84C_TIDIG_COMP_CNT(x)                                  (((x) & 0x03) << 11)
792 #define   G_00B84C_TIDIG_COMP_CNT(x)                                  (((x) >> 11) & 0x03)
793 #define   C_00B84C_TIDIG_COMP_CNT                                     0xFFFFE7FF
794 /* CIK */
795 #define   S_00B84C_EXCP_EN_MSB(x)                                     (((x) & 0x03) << 13)
796 #define   G_00B84C_EXCP_EN_MSB(x)                                     (((x) >> 13) & 0x03)
797 #define   C_00B84C_EXCP_EN_MSB                                        0xFFFF9FFF
798 /*     */
799 #define   S_00B84C_LDS_SIZE(x)                                        (((x) & 0x1FF) << 15)
800 #define   G_00B84C_LDS_SIZE(x)                                        (((x) >> 15) & 0x1FF)
801 #define   C_00B84C_LDS_SIZE                                           0xFF007FFF
802 #define   S_00B84C_EXCP_EN(x)                                         (((x) & 0x7F) << 24)
803 #define   G_00B84C_EXCP_EN(x)                                         (((x) >> 24) & 0x7F)
804 #define   C_00B84C_EXCP_EN
805 
806 #define R_0286CC_SPI_PS_INPUT_ENA                                       0x0286CC
807 #define R_0286D0_SPI_PS_INPUT_ADDR                                      0x0286D0
808 
809 #define R_00B848_COMPUTE_PGM_RSRC1                                      0x00B848
810 #define   S_00B848_VGPRS(x)                                           (((x) & 0x3F) << 0)
811 #define   G_00B848_VGPRS(x)                                           (((x) >> 0) & 0x3F)
812 #define   C_00B848_VGPRS                                              0xFFFFFFC0
813 #define   S_00B848_SGPRS(x)                                           (((x) & 0x0F) << 6)
814 #define   G_00B848_SGPRS(x)                                           (((x) >> 6) & 0x0F)
815 #define   C_00B848_SGPRS                                              0xFFFFFC3F
816 #define   S_00B848_PRIORITY(x)                                        (((x) & 0x03) << 10)
817 #define   G_00B848_PRIORITY(x)                                        (((x) >> 10) & 0x03)
818 #define   C_00B848_PRIORITY                                           0xFFFFF3FF
819 #define   S_00B848_FLOAT_MODE(x)                                      (((x) & 0xFF) << 12)
820 #define   G_00B848_FLOAT_MODE(x)                                      (((x) >> 12) & 0xFF)
821 #define   C_00B848_FLOAT_MODE                                         0xFFF00FFF
822 #define   S_00B848_PRIV(x)                                            (((x) & 0x1) << 20)
823 #define   G_00B848_PRIV(x)                                            (((x) >> 20) & 0x1)
824 #define   C_00B848_PRIV                                               0xFFEFFFFF
825 #define   S_00B848_DX10_CLAMP(x)                                      (((x) & 0x1) << 21)
826 #define   G_00B848_DX10_CLAMP(x)                                      (((x) >> 21) & 0x1)
827 #define   C_00B848_DX10_CLAMP                                         0xFFDFFFFF
828 #define   S_00B848_DEBUG_MODE(x)                                      (((x) & 0x1) << 22)
829 #define   G_00B848_DEBUG_MODE(x)                                      (((x) >> 22) & 0x1)
830 #define   C_00B848_DEBUG_MODE                                         0xFFBFFFFF
831 #define   S_00B848_IEEE_MODE(x)                                       (((x) & 0x1) << 23)
832 #define   G_00B848_IEEE_MODE(x)                                       (((x) >> 23) & 0x1)
833 #define   C_00B848_IEEE_MODE                                          0xFF7FFFFF
834 #define   S_00B848_WGP_MODE(x)                                        (((x) & 0x1) << 29)
835 #define   G_00B848_WGP_MODE(x)                                        (((x) >> 29) & 0x1)
836 #define   C_00B848_WGP_MODE                                           0xDFFFFFFF
837 #define   S_00B848_MEM_ORDERED(x)                                     (((x) & 0x1) << 30)
838 #define   G_00B848_MEM_ORDERED(x)                                     (((x) >> 30) & 0x1)
839 #define   C_00B848_MEM_ORDERED                                        0xBFFFFFFF
840 #define   S_00B848_FWD_PROGRESS(x)                                    (((x) & 0x1) << 31)
841 #define   G_00B848_FWD_PROGRESS(x)                                    (((x) >> 31) & 0x1)
842 #define   C_00B848_FWD_PROGRESS                                       0x7FFFFFFF
843 
844 
845 // Helpers for setting FLOAT_MODE
846 #define FP_ROUND_ROUND_TO_NEAREST 0
847 #define FP_ROUND_ROUND_TO_INF 1
848 #define FP_ROUND_ROUND_TO_NEGINF 2
849 #define FP_ROUND_ROUND_TO_ZERO 3
850 
851 // Bits 3:0 control rounding mode. 1:0 control single precision, 3:2 double
852 // precision.
853 #define FP_ROUND_MODE_SP(x) ((x) & 0x3)
854 #define FP_ROUND_MODE_DP(x) (((x) & 0x3) << 2)
855 
856 #define FP_DENORM_FLUSH_IN_FLUSH_OUT 0
857 #define FP_DENORM_FLUSH_OUT 1
858 #define FP_DENORM_FLUSH_IN 2
859 #define FP_DENORM_FLUSH_NONE 3
860 
861 
862 // Bits 7:4 control denormal handling. 5:4 control single precision, 6:7 double
863 // precision.
864 #define FP_DENORM_MODE_SP(x) (((x) & 0x3) << 4)
865 #define FP_DENORM_MODE_DP(x) (((x) & 0x3) << 6)
866 
867 #define R_00B860_COMPUTE_TMPRING_SIZE                                   0x00B860
868 #define   S_00B860_WAVESIZE(x)                                        (((x) & 0x1FFF) << 12)
869 
870 #define R_0286E8_SPI_TMPRING_SIZE                                       0x0286E8
871 #define   S_0286E8_WAVESIZE(x)                                        (((x) & 0x1FFF) << 12)
872 
873 #define R_028B54_VGT_SHADER_STAGES_EN                                 0x028B54
874 #define   S_028B54_HS_W32_EN(x)                                       (((x) & 0x1) << 21)
875 #define   S_028B54_GS_W32_EN(x)                                       (((x) & 0x1) << 22)
876 #define   S_028B54_VS_W32_EN(x)                                       (((x) & 0x1) << 23)
877 #define R_0286D8_SPI_PS_IN_CONTROL                                    0x0286D8
878 #define   S_0286D8_PS_W32_EN(x)                                       (((x) & 0x1) << 15)
879 #define R_00B800_COMPUTE_DISPATCH_INITIATOR                           0x00B800
880 #define   S_00B800_CS_W32_EN(x)                                       (((x) & 0x1) << 15)
881 
882 #define R_SPILLED_SGPRS         0x4
883 #define R_SPILLED_VGPRS         0x8
884 } // End namespace llvm
885 
886 #endif
887