34 	if (ctx->seen & (SEEN_MEM | SEEN_DATAREF)) {  in bpf_jit_build_prologue()
36 		if (ctx->seen & SEEN_DATAREF) {  in bpf_jit_build_prologue()
45 		if (ctx->seen & SEEN_MEM) {  in bpf_jit_build_prologue()
51 				if (ctx->seen & (1 << (i-r_M)))  in bpf_jit_build_prologue()
58 	if (ctx->seen & SEEN_DATAREF) {  in bpf_jit_build_prologue()
72 	if (ctx->seen & SEEN_XREG) {  in bpf_jit_build_prologue()
89 	if (ctx->seen & (SEEN_MEM | SEEN_DATAREF)) {  in bpf_jit_build_epilogue()
91 		if (ctx->seen & SEEN_DATAREF) {  in bpf_jit_build_epilogue()
97 		if (ctx->seen & SEEN_MEM) {  in bpf_jit_build_epilogue()
100 				if (ctx->seen & (1 << (i-r_M)))  in bpf_jit_build_epilogue()
140 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
151 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
162 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
175 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
205 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
217 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
228 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
238 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
248 			ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
275 				 * Note: 'seen' is properly valid only on pass  in bpf_jit_build_body()
281 				if (ctx->seen)  in bpf_jit_build_body()
290 				if (ctx->seen)  in bpf_jit_build_body()
300 			ctx->seen |= SEEN_XREG;  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_MEM | (1<<(K & 0xf));  in bpf_jit_build_body()
325 			ctx->seen |= SEEN_XREG | SEEN_MEM | (1<<(K & 0xf));  in bpf_jit_build_body()
420 			ctx->seen |= SEEN_DATAREF;  in bpf_jit_build_body()
446 			ctx->seen |= SEEN_DATAREF | SEEN_XREG;  in bpf_jit_build_body()
496 				ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
500 				ctx->seen |= SEEN_XREG;  in bpf_jit_build_body()
597 	 * Prologue generated to support features we have seen used.  Exit paths  in bpf_jit_compile()
625 	cgctx.seen = 0;  in bpf_jit_compile()
633 	 * Pretend to build prologue, given the features we've seen.  This will  in bpf_jit_compile()
657 			pr_info("Pass %d: shrink = %d, seen = 0x%x\n", pass,  in bpf_jit_compile()
658 				proglen - (cgctx.idx * 4), cgctx.seen);  in bpf_jit_compile()