qemu

FORK: QEMU emulator
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tcg-target-con-str.h (749B)

      1 /* SPDX-License-Identifier: MIT */
      2 /*
      3  * Define S390 target-specific operand constraints.
      4  * Copyright (c) 2021 Linaro
      5  */
      6 
      7 /*
      8  * Define constraint letters for register sets:
      9  * REGS(letter, register_mask)
     10  */
     11 REGS('r', ALL_GENERAL_REGS)
     12 REGS('L', ALL_GENERAL_REGS & ~SOFTMMU_RESERVE_REGS)
     13 REGS('v', ALL_VECTOR_REGS)
     14 /*
     15  * A (single) even/odd pair for division.
     16  * TODO: Add something to the register allocator to allow
     17  * this kind of regno+1 pairing to be done more generally.
     18  */
     19 REGS('a', 1u << TCG_REG_R2)
     20 REGS('b', 1u << TCG_REG_R3)
     21 
     22 /*
     23  * Define constraint letters for constants:
     24  * CONST(letter, TCG_CT_CONST_* bit set)
     25  */
     26 CONST('A', TCG_CT_CONST_S33)
     27 CONST('I', TCG_CT_CONST_S16)
     28 CONST('J', TCG_CT_CONST_S32)
     29 CONST('Z', TCG_CT_CONST_ZERO)