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 */ 11REGS('r', ALL_GENERAL_REGS) 12REGS('L', ALL_GENERAL_REGS & ~SOFTMMU_RESERVE_REGS) 13REGS('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 */ 19REGS('a', 1u << TCG_REG_R2) 20REGS('b', 1u << TCG_REG_R3) 21 22/* 23 * Define constraint letters for constants: 24 * CONST(letter, TCG_CT_CONST_* bit set) 25 */ 26CONST('A', TCG_CT_CONST_S33) 27CONST('I', TCG_CT_CONST_S16) 28CONST('J', TCG_CT_CONST_S32) 29CONST('Z', TCG_CT_CONST_ZERO)