336 			   mpi_ptr_t vp, mpi_size_t vsize,  in mpihelp_mul_karatsuba_case()  argument
341 	if (!ctx->tspace || ctx->tspace_size < vsize) {  in mpihelp_mul_karatsuba_case()
344 		ctx->tspace = mpi_alloc_limb_space(2 * vsize);  in mpihelp_mul_karatsuba_case()
347 		ctx->tspace_size = vsize;  in mpihelp_mul_karatsuba_case()
350 	MPN_MUL_N_RECURSE(prodp, up, vp, vsize, ctx->tspace);  in mpihelp_mul_karatsuba_case()
352 	prodp += vsize;  in mpihelp_mul_karatsuba_case()
353 	up += vsize;  in mpihelp_mul_karatsuba_case()
354 	usize -= vsize;  in mpihelp_mul_karatsuba_case()
355 	if (usize >= vsize) {  in mpihelp_mul_karatsuba_case()
356 		if (!ctx->tp || ctx->tp_size < vsize) {  in mpihelp_mul_karatsuba_case()
359 			ctx->tp = mpi_alloc_limb_space(2 * vsize);  in mpihelp_mul_karatsuba_case()
366 			ctx->tp_size = vsize;  in mpihelp_mul_karatsuba_case()
370 			MPN_MUL_N_RECURSE(ctx->tp, up, vp, vsize, ctx->tspace);  in mpihelp_mul_karatsuba_case()
371 			cy = mpihelp_add_n(prodp, prodp, ctx->tp, vsize);  in mpihelp_mul_karatsuba_case()
372 			mpihelp_add_1(prodp + vsize, ctx->tp + vsize, vsize,  in mpihelp_mul_karatsuba_case()
374 			prodp += vsize;  in mpihelp_mul_karatsuba_case()
375 			up += vsize;  in mpihelp_mul_karatsuba_case()
376 			usize -= vsize;  in mpihelp_mul_karatsuba_case()
377 		} while (usize >= vsize);  in mpihelp_mul_karatsuba_case()
383 			if (mpihelp_mul(ctx->tspace, vp, vsize, up, usize, &tmp)  in mpihelp_mul_karatsuba_case()
393 						       vp, vsize,  in mpihelp_mul_karatsuba_case()
399 		cy = mpihelp_add_n(prodp, prodp, ctx->tspace, vsize);  in mpihelp_mul_karatsuba_case()
400 		mpihelp_add_1(prodp + vsize, ctx->tspace + vsize, usize, cy);  in mpihelp_mul_karatsuba_case()
441 	    mpi_ptr_t vp, mpi_size_t vsize, mpi_limb_t *_result)  in mpihelp_mul()  argument
443 	mpi_ptr_t prod_endp = prodp + usize + vsize - 1;  in mpihelp_mul()
447 	if (vsize < KARATSUBA_THRESHOLD) {  in mpihelp_mul()
451 		if (!vsize) {  in mpihelp_mul()
473 		for (i = 1; i < vsize; i++) {  in mpihelp_mul()
492 	if (mpihelp_mul_karatsuba_case(prodp, up, usize, vp, vsize, &ctx) < 0)  in mpihelp_mul()