llvm/lib/Target/R600/SIDefines.h

//===-- SIDefines.h - SI Helper Macros ----------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
/// \file
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_R600_SIDEFINES_H
#define LLVM_LIB_TARGET_R600_SIDEFINES_H

namespace SIInstrFlags {
// This needs to be kept in sync with the field bits in InstSI.
enum {
  SALU = 1 << 3,
  VALU = 1 << 4,

  SOP1 = 1 << 5,
  SOP2 = 1 << 6,
  SOPC = 1 << 7,
  SOPK = 1 << 8,
  SOPP = 1 << 9,

  VOP1 = 1 << 10,
  VOP2 = 1 << 11,
  VOP3 = 1 << 12,
  VOPC = 1 << 13,

  MUBUF = 1 << 14,
  MTBUF = 1 << 15,
  SMRD = 1 << 16,
  DS = 1 << 17,
  MIMG = 1 << 18,
  FLAT = 1 << 19
};
}

namespace SIInstrFlags {
  enum Flags {
    // First 4 bits are the instruction encoding
    VM_CNT = 1 << 0,
    EXP_CNT = 1 << 1,
    LGKM_CNT = 1 << 2
  };

  // v_cmp_class_* etc. use a 10-bit mask for what operation is checked.
  // The result is true if any of these tests are true.
  enum ClassFlags {
    S_NAN = 1 << 0,        // Signaling NaN
    Q_NAN = 1 << 1,        // Quiet NaN
    N_INFINITY = 1 << 2,   // Negative infinity
    N_NORMAL = 1 << 3,     // Negative normal
    N_SUBNORMAL = 1 << 4,  // Negative subnormal
    N_ZERO = 1 << 5,       // Negative zero
    P_ZERO = 1 << 6,       // Positive zero
    P_SUBNORMAL = 1 << 7,  // Positive subnormal
    P_NORMAL = 1 << 8,     // Positive normal
    P_INFINITY = 1 << 9    // Positive infinity
  };
}

namespace SISrcMods {
  enum {
   NEG = 1 << 0,
   ABS = 1 << 1
  };
}

namespace SIOutMods {
  enum {
    NONE = 0,
    MUL2 = 1,
    MUL4 = 2,
    DIV2 = 3
  };
}

#define R_00B028_SPI_SHADER_PGM_RSRC1_PS                                0x00B028
#define R_00B02C_SPI_SHADER_PGM_RSRC2_PS                                0x00B02C
#define   S_00B02C_EXTRA_LDS_SIZE(x)                                  (((x) & 0xFF) << 8)
#define R_00B128_SPI_SHADER_PGM_RSRC1_VS                                0x00B128
#define R_00B228_SPI_SHADER_PGM_RSRC1_GS                                0x00B228
#define R_00B848_COMPUTE_PGM_RSRC1                                      0x00B848
#define   S_00B028_VGPRS(x)                                           (((x) & 0x3F) << 0)
#define   S_00B028_SGPRS(x)                                           (((x) & 0x0F) << 6)
#define R_00B84C_COMPUTE_PGM_RSRC2                                      0x00B84C
#define   S_00B84C_SCRATCH_EN(x)                                      (((x) & 0x1) << 0)
#define   S_00B84C_USER_SGPR(x)                                       (((x) & 0x1F) << 1)
#define   S_00B84C_TGID_X_EN(x)                                       (((x) & 0x1) << 7)
#define   S_00B84C_TGID_Y_EN(x)                                       (((x) & 0x1) << 8)
#define   S_00B84C_TGID_Z_EN(x)                                       (((x) & 0x1) << 9)
#define   S_00B84C_TG_SIZE_EN(x)                                      (((x) & 0x1) << 10)
#define   S_00B84C_TIDIG_COMP_CNT(x)                                  (((x) & 0x03) << 11)

#define   S_00B84C_LDS_SIZE(x)                                        (((x) & 0x1FF) << 15)
#define R_0286CC_SPI_PS_INPUT_ENA                                       0x0286CC


#define R_00B848_COMPUTE_PGM_RSRC1                                      0x00B848
#define   S_00B848_VGPRS(x)                                           (((x) & 0x3F) << 0)
#define   G_00B848_VGPRS(x)                                           (((x) >> 0) & 0x3F)
#define   C_00B848_VGPRS                                              0xFFFFFFC0
#define   S_00B848_SGPRS(x)                                           (((x) & 0x0F) << 6)
#define   G_00B848_SGPRS(x)                                           (((x) >> 6) & 0x0F)
#define   C_00B848_SGPRS                                              0xFFFFFC3F
#define   S_00B848_PRIORITY(x)                                        (((x) & 0x03) << 10)
#define   G_00B848_PRIORITY(x)                                        (((x) >> 10) & 0x03)
#define   C_00B848_PRIORITY                                           0xFFFFF3FF
#define   S_00B848_FLOAT_MODE(x)                                      (((x) & 0xFF) << 12)
#define   G_00B848_FLOAT_MODE(x)                                      (((x) >> 12) & 0xFF)
#define   C_00B848_FLOAT_MODE                                         0xFFF00FFF
#define   S_00B848_PRIV(x)                                            (((x) & 0x1) << 20)
#define   G_00B848_PRIV(x)                                            (((x) >> 20) & 0x1)
#define   C_00B848_PRIV                                               0xFFEFFFFF
#define   S_00B848_DX10_CLAMP(x)                                      (((x) & 0x1) << 21)
#define   G_00B848_DX10_CLAMP(x)                                      (((x) >> 21) & 0x1)
#define   C_00B848_DX10_CLAMP                                         0xFFDFFFFF
#define   S_00B848_DEBUG_MODE(x)                                      (((x) & 0x1) << 22)
#define   G_00B848_DEBUG_MODE(x)                                      (((x) >> 22) & 0x1)
#define   C_00B848_DEBUG_MODE                                         0xFFBFFFFF
#define   S_00B848_IEEE_MODE(x)                                       (((x) & 0x1) << 23)
#define   G_00B848_IEEE_MODE(x)                                       (((x) >> 23) & 0x1)
#define   C_00B848_IEEE_MODE                                          0xFF7FFFFF


// Helpers for setting FLOAT_MODE
#define FP_ROUND_ROUND_TO_NEAREST 0
#define FP_ROUND_ROUND_TO_INF 1
#define FP_ROUND_ROUND_TO_NEGINF 2
#define FP_ROUND_ROUND_TO_ZERO 3

// Bits 3:0 control rounding mode. 1:0 control single precision, 3:2 double
// precision.
#define FP_ROUND_MODE_SP(x) ((x) & 0x3)
#define FP_ROUND_MODE_DP(x) (((x) & 0x3) << 2)

#define FP_DENORM_FLUSH_IN_FLUSH_OUT 0
#define FP_DENORM_FLUSH_OUT 1
#define FP_DENORM_FLUSH_IN 2
#define FP_DENORM_FLUSH_NONE 3


// Bits 7:4 control denormal handling. 5:4 control single precision, 6:7 double
// precision.
#define FP_DENORM_MODE_SP(x) (((x) & 0x3) << 4)
#define FP_DENORM_MODE_DP(x) (((x) & 0x3) << 6)

#define R_00B860_COMPUTE_TMPRING_SIZE                                   0x00B860
#define   S_00B860_WAVESIZE(x)                                        (((x) & 0x1FFF) << 12)

#endif