loongarch/net/bpf_jit.h

85 static inline void move_addr(struct jit_ctx *ctx, enum loongarch_gpr rd, u64 addr)
89 	/* lu12iw rd, imm_31_12 */
91 	emit_insn(ctx, lu12iw, rd, imm_31_12);
93 	/* ori rd, rd, imm_11_0 */
95 	emit_insn(ctx, ori, rd, rd, imm_11_0);
97 	/* lu32id rd, imm_51_32 */
99 	emit_insn(ctx, lu32id, rd, imm_51_32);
101 	/* lu52id rd, rd, imm_63_52 */
103 	emit_insn(ctx, lu52id, rd, rd, imm_63_52);
106 static inline void move_imm(struct jit_ctx *ctx, enum loongarch_gpr rd, long imm, bool is32)
110 	/* or rd, $zero, $zero */
112 		emit_insn(ctx, or, rd, LOONGARCH_GPR_ZERO, LOONGARCH_GPR_ZERO);
116 	/* addiw rd, $zero, imm_11_0 */
118 		emit_insn(ctx, addiw, rd, LOONGARCH_GPR_ZERO, imm);
122 	/* ori rd, $zero, imm_11_0 */
124 		emit_insn(ctx, ori, rd, LOONGARCH_GPR_ZERO, imm);
128 	/* lu52id rd, $zero, imm_63_52 */
132 		emit_insn(ctx, lu52id, rd, LOONGARCH_GPR_ZERO, imm_63_52);
136 	/* lu12iw rd, imm_31_12 */
138 	emit_insn(ctx, lu12iw, rd, imm_31_12);
140 	/* ori rd, rd, imm_11_0 */
143 		emit_insn(ctx, ori, rd, rd, imm_11_0);
154 				/* lu32id rd, imm_51_32 */
156 				emit_insn(ctx, lu32id, rd, imm_51_32);
160 		/* lu52id rd, rd, imm_63_52 */
162 			emit_insn(ctx, lu52id, rd, rd, imm_63_52);
166 	emit_zext_32(ctx, rd, is32);
169 static inline void move_reg(struct jit_ctx *ctx, enum loongarch_gpr rd,
172 	emit_insn(ctx, or, rd, rj, LOONGARCH_GPR_ZERO);
204 				   enum loongarch_gpr rd, int jmp_offset)
208 		/* PC += jmp_offset if rj == rd */
209 		emit_insn(ctx, beq, rj, rd, jmp_offset);
213 		/* PC += jmp_offset if rj != rd */
214 		emit_insn(ctx, bne, rj, rd, jmp_offset);
217 		/* PC += jmp_offset if rj > rd (unsigned) */
218 		emit_insn(ctx, bltu, rd, rj, jmp_offset);
221 		/* PC += jmp_offset if rj < rd (unsigned) */
222 		emit_insn(ctx, bltu, rj, rd, jmp_offset);
225 		/* PC += jmp_offset if rj >= rd (unsigned) */
226 		emit_insn(ctx, bgeu, rj, rd, jmp_offset);
229 		/* PC += jmp_offset if rj <= rd (unsigned) */
230 		emit_insn(ctx, bgeu, rd, rj, jmp_offset);
233 		/* PC += jmp_offset if rj > rd (signed) */
234 		emit_insn(ctx, blt, rd, rj, jmp_offset);
237 		/* PC += jmp_offset if rj < rd (signed) */
238 		emit_insn(ctx, blt, rj, rd, jmp_offset);
241 		/* PC += jmp_offset if rj >= rd (signed) */
242 		emit_insn(ctx, bge, rj, rd, jmp_offset);
245 		/* PC += jmp_offset if rj <= rd (signed) */
246 		emit_insn(ctx, bge, rd, rj, jmp_offset);
252 				   enum loongarch_gpr rd, int jmp_offset)
255 	cond_jmp_offset(ctx, cond, rj, rd, 2);
265 				enum loongarch_gpr rd, int jmp_offset)
279 		cond_jmp_offs26(ctx, cond, rj, rd, jmp_offset);
297 				    enum loongarch_gpr rd, int jmp_offset)
300 		cond_jmp_offset(ctx, cond, rj, rd, jmp_offset);