qemu-e2k/tcg/loongarch64/tcg-target-con-str.h
Richard Henderson 0e95be93c1 tcg/loongarch64: Introduce tcg_out_addi
Adjust the constraints to allow any int32_t for immediate
addition.  Split immediate adds into addu16i + addi, which
covers quite a lot of the immediate space.  For the hole in
the middle, load the constant into TMP0 instead.

Reviewed-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-01-23 16:00:13 -10:00

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/* SPDX-License-Identifier: MIT */
/*
* Define LoongArch target-specific operand constraints.
*
* Copyright (c) 2021 WANG Xuerui <git@xen0n.name>
*
* Based on tcg/riscv/tcg-target-con-str.h
*
* Copyright (c) 2021 Linaro
*/
/*
* Define constraint letters for register sets:
* REGS(letter, register_mask)
*/
REGS('r', ALL_GENERAL_REGS)
REGS('L', ALL_GENERAL_REGS & ~SOFTMMU_RESERVE_REGS)
/*
* Define constraint letters for constants:
* CONST(letter, TCG_CT_CONST_* bit set)
*/
CONST('I', TCG_CT_CONST_S12)
CONST('J', TCG_CT_CONST_S32)
CONST('U', TCG_CT_CONST_U12)
CONST('Z', TCG_CT_CONST_ZERO)
CONST('C', TCG_CT_CONST_C12)
CONST('W', TCG_CT_CONST_WSZ)