164   register JSAMPROW inptr, outptr;  in int_upsample()  local
178     outptr = output_data[outrow];  in int_upsample()
179     outend = outptr + cinfo->output_width;  in int_upsample()
180     while (outptr < outend) {  in int_upsample()
183         *outptr++ = invalue;  in int_upsample()
207   register JSAMPROW inptr, outptr;  in h2v1_upsample()  local
214     outptr = output_data[inrow];  in h2v1_upsample()
215     outend = outptr + cinfo->output_width;  in h2v1_upsample()
216     while (outptr < outend) {  in h2v1_upsample()
218       *outptr++ = invalue;  in h2v1_upsample()
219       *outptr++ = invalue;  in h2v1_upsample()
235   register JSAMPROW inptr, outptr;  in h2v2_upsample()  local
243     outptr = output_data[outrow];  in h2v2_upsample()
244     outend = outptr + cinfo->output_width;  in h2v2_upsample()
245     while (outptr < outend) {  in h2v2_upsample()
247       *outptr++ = invalue;  in h2v2_upsample()
248       *outptr++ = invalue;  in h2v2_upsample()
278   register JSAMPROW inptr, outptr;  in h2v1_fancy_upsample()  local
285     outptr = output_data[inrow];  in h2v1_fancy_upsample()
288     *outptr++ = (JSAMPLE) invalue;  in h2v1_fancy_upsample()
289     *outptr++ = (JSAMPLE) ((invalue * 3 + GETJSAMPLE(*inptr) + 2) >> 2);  in h2v1_fancy_upsample()
294       *outptr++ = (JSAMPLE) ((invalue + GETJSAMPLE(inptr[-2]) + 1) >> 2);  in h2v1_fancy_upsample()
295       *outptr++ = (JSAMPLE) ((invalue + GETJSAMPLE(*inptr) + 2) >> 2);  in h2v1_fancy_upsample()
300     *outptr++ = (JSAMPLE) ((invalue * 3 + GETJSAMPLE(inptr[-1]) + 1) >> 2);  in h2v1_fancy_upsample()
301     *outptr++ = (JSAMPLE) invalue;  in h2v1_fancy_upsample()
318   JSAMPROW inptr0, inptr1, outptr;  in h1v2_fancy_upsample()  local
336       outptr = output_data[outrow++];  in h1v2_fancy_upsample()
340         *outptr++ = (JSAMPLE) ((thiscolsum + 1) >> 2);  in h1v2_fancy_upsample()
361   register JSAMPROW inptr0, inptr1, outptr;  in h2v2_fancy_upsample()  local
379       outptr = output_data[outrow++];  in h2v2_fancy_upsample()
384       *outptr++ = (JSAMPLE) ((thiscolsum * 4 + 8) >> 4);  in h2v2_fancy_upsample()
385       *outptr++ = (JSAMPLE) ((thiscolsum * 3 + nextcolsum + 7) >> 4);  in h2v2_fancy_upsample()
392         *outptr++ = (JSAMPLE) ((thiscolsum * 3 + lastcolsum + 8) >> 4);  in h2v2_fancy_upsample()
393         *outptr++ = (JSAMPLE) ((thiscolsum * 3 + nextcolsum + 7) >> 4);  in h2v2_fancy_upsample()
398       *outptr++ = (JSAMPLE) ((thiscolsum * 3 + lastcolsum + 8) >> 4);  in h2v2_fancy_upsample()
399       *outptr++ = (JSAMPLE) ((thiscolsum * 4 + 7) >> 4);  in h2v2_fancy_upsample()