30 	if (ctx->seen & (SEEN_MEM | SEEN_DATAREF)) {  in bpf_jit_build_prologue()
32 		if (ctx->seen & SEEN_DATAREF) {  in bpf_jit_build_prologue()
41 		if (ctx->seen & SEEN_MEM) {  in bpf_jit_build_prologue()
47 				if (ctx->seen & (1 << (i-r_M)))  in bpf_jit_build_prologue()
54 	if (ctx->seen & SEEN_DATAREF) {  in bpf_jit_build_prologue()
68 	if (ctx->seen & SEEN_XREG) {  in bpf_jit_build_prologue()
85 	if (ctx->seen & (SEEN_MEM | SEEN_DATAREF)) {  in bpf_jit_build_epilogue()
87 		if (ctx->seen & SEEN_DATAREF) {  in bpf_jit_build_epilogue()
93 		if (ctx->seen & SEEN_MEM) {  in bpf_jit_build_epilogue()
96 				if (ctx->seen & (1 << (i-r_M)))  in bpf_jit_build_epilogue()
136 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
147 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
158 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
171 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
201 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
213 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
224 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
234 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
244 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
271 				 * Note: 'seen' is properly valid only on pass  in bpf_jit_build_body()
277 				if (ctx->seen)  in bpf_jit_build_body()
286 				if (ctx->seen)  in bpf_jit_build_body()
296 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
309 			ctx->seen |= SEEN_MEM | (1<<(K & 0xf));  in bpf_jit_build_body()
313 			ctx->seen |= SEEN_MEM | (1<<(K & 0xf));  in bpf_jit_build_body()
317 			ctx->seen |= SEEN_MEM | (1<<(K & 0xf));  in bpf_jit_build_body()
321 			ctx->seen |= SEEN_XREG | SEEN_MEM | (1<<(K & 0xf));  in bpf_jit_build_body()
415 			ctx->seen |= SEEN_DATAREF;  in bpf_jit_build_body()
441 			ctx->seen |= SEEN_DATAREF | SEEN_XREG;  in bpf_jit_build_body()
490 				ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
494 				ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
591 	 * Prologue generated to support features we have seen used.  Exit paths  in bpf_jit_compile()
619 	cgctx.seen = 0;  in bpf_jit_compile()
627 	 * Pretend to build prologue, given the features we've seen.  This will  in bpf_jit_compile()
651 			pr_info("Pass %d: shrink = %d, seen = 0x%x\n", pass,  in bpf_jit_compile()
652 				proglen - (cgctx.idx * 4), cgctx.seen);  in bpf_jit_compile()