github.com/ice-blockchain/go/src@v0.0.0-20240403114104-1564d284e521/runtime/cgo/abi_loong64.h (about)

     1  // Copyright 2022 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  // Macros for transitioning from the host ABI to Go ABI0.
     6  //
     7  // These macros save and restore the callee-saved registers
     8  // from the stack, but they don't adjust stack pointer, so
     9  // the user should prepare stack space in advance.
    10  // SAVE_R22_TO_R31(offset) saves R22 ~ R31 to the stack space
    11  // of ((offset)+0*8)(R3) ~ ((offset)+9*8)(R3).
    12  //
    13  // SAVE_F24_TO_F31(offset) saves F24 ~ F31 to the stack space
    14  // of ((offset)+0*8)(R3) ~ ((offset)+7*8)(R3).
    15  //
    16  // Note: g is R22
    17  
    18  #define SAVE_R22_TO_R31(offset)	\
    19  	MOVV	g,   ((offset)+(0*8))(R3)	\
    20  	MOVV	R23, ((offset)+(1*8))(R3)	\
    21  	MOVV	R24, ((offset)+(2*8))(R3)	\
    22  	MOVV	R25, ((offset)+(3*8))(R3)	\
    23  	MOVV	R26, ((offset)+(4*8))(R3)	\
    24  	MOVV	R27, ((offset)+(5*8))(R3)	\
    25  	MOVV	R28, ((offset)+(6*8))(R3)	\
    26  	MOVV	R29, ((offset)+(7*8))(R3)	\
    27  	MOVV	R30, ((offset)+(8*8))(R3)	\
    28  	MOVV	R31, ((offset)+(9*8))(R3)
    29  
    30  #define SAVE_F24_TO_F31(offset)	\
    31  	MOVD	F24, ((offset)+(0*8))(R3)	\
    32  	MOVD	F25, ((offset)+(1*8))(R3)	\
    33  	MOVD	F26, ((offset)+(2*8))(R3)	\
    34  	MOVD	F27, ((offset)+(3*8))(R3)	\
    35  	MOVD	F28, ((offset)+(4*8))(R3)	\
    36  	MOVD	F29, ((offset)+(5*8))(R3)	\
    37  	MOVD	F30, ((offset)+(6*8))(R3)	\
    38  	MOVD	F31, ((offset)+(7*8))(R3)
    39  
    40  #define RESTORE_R22_TO_R31(offset)	\
    41  	MOVV	((offset)+(0*8))(R3),  g	\
    42  	MOVV	((offset)+(1*8))(R3), R23	\
    43  	MOVV	((offset)+(2*8))(R3), R24	\
    44  	MOVV	((offset)+(3*8))(R3), R25	\
    45  	MOVV	((offset)+(4*8))(R3), R26	\
    46  	MOVV	((offset)+(5*8))(R3), R27	\
    47  	MOVV	((offset)+(6*8))(R3), R28	\
    48  	MOVV	((offset)+(7*8))(R3), R29	\
    49  	MOVV	((offset)+(8*8))(R3), R30	\
    50  	MOVV	((offset)+(9*8))(R3), R31
    51  
    52  #define RESTORE_F24_TO_F31(offset)	\
    53  	MOVD	((offset)+(0*8))(R3), F24	\
    54  	MOVD	((offset)+(1*8))(R3), F25	\
    55  	MOVD	((offset)+(2*8))(R3), F26	\
    56  	MOVD	((offset)+(3*8))(R3), F27	\
    57  	MOVD	((offset)+(4*8))(R3), F28	\
    58  	MOVD	((offset)+(5*8))(R3), F29	\
    59  	MOVD	((offset)+(6*8))(R3), F30	\
    60  	MOVD	((offset)+(7*8))(R3), F31