LXR qemu/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 */
  12REGS('a', 1u << TCG_REG_EAX)
  13REGS('b', 1u << TCG_REG_EBX)
  14REGS('c', 1u << TCG_REG_ECX)
  15REGS('d', 1u << TCG_REG_EDX)
  16REGS('S', 1u << TCG_REG_ESI)
  17REGS('D', 1u << TCG_REG_EDI)
  18
  19REGS('r', ALL_GENERAL_REGS)
  20REGS('x', ALL_VECTOR_REGS)
  21REGS('q', ALL_BYTEL_REGS)     /* regs that can be used as a byte operand */
  22REGS('Q', ALL_BYTEH_REGS)     /* regs with a second byte (e.g. %ah) */
  23REGS('L', ALL_GENERAL_REGS & ~SOFTMMU_RESERVE_REGS)  /* qemu_ld/st */
  24REGS('s', ALL_BYTEL_REGS & ~SOFTMMU_RESERVE_REGS)    /* qemu_st8_i32 data */
  25
  26/*
  27 * Define constraint letters for constants:
  28 * CONST(letter, TCG_CT_CONST_* bit set)
  29 */
  30CONST('e', TCG_CT_CONST_S32)
  31CONST('I', TCG_CT_CONST_I32)
  32CONST('W', TCG_CT_CONST_WSZ)
  33CONST('Z', TCG_CT_CONST_U32)
  34