tcg/i386/tcg-target-con-str.h

   1 /* SPDX-License-Identifier: MIT */
   2 /*
   3  * Define i386 target-specific operand constraints.
   4  * Copyright (c) 2021 Linaro
   5  *
   6  */
   7
   8 /*
   9  * Define constraint letters for register sets:
  10  * REGS(letter, register_mask)
  11  */
  12 REGS('a', 1u << TCG_REG_EAX)
  13 REGS('b', 1u << TCG_REG_EBX)
  14 REGS('c', 1u << TCG_REG_ECX)
  15 REGS('d', 1u << TCG_REG_EDX)
  16 REGS('S', 1u << TCG_REG_ESI)
  17 REGS('D', 1u << TCG_REG_EDI)
  18
  19 REGS('r', ALL_GENERAL_REGS)
  20 REGS('x', ALL_VECTOR_REGS)
  21 REGS('q', ALL_BYTEL_REGS)     /* regs that can be used as a byte operand */
  22 REGS('L', ALL_GENERAL_REGS & ~SOFTMMU_RESERVE_REGS)  /* qemu_ld/st */
  23 REGS('s', ALL_BYTEL_REGS & ~SOFTMMU_RESERVE_REGS)    /* qemu_st8_i32 data */
  24
  25 /*
  26  * Define constraint letters for constants:
  27  * CONST(letter, TCG_CT_CONST_* bit set)
  28  */
  29 CONST('e', TCG_CT_CONST_S32)
  30 CONST('I', TCG_CT_CONST_I32)
  31 CONST('W', TCG_CT_CONST_WSZ)
  32 CONST('Z', TCG_CT_CONST_U32)