35 #if DCTSIZE != 8
130   int workspace[DCTSIZE*4];	/* buffers data between passes */
138   for (ctr = DCTSIZE; ctr > 0; inptr++, quantptr++, wsptr++, ctr--) {
140     if (ctr == DCTSIZE-4)
142     if (inptr[DCTSIZE*1] == 0 && inptr[DCTSIZE*2] == 0 &&
143 	inptr[DCTSIZE*3] == 0 && inptr[DCTSIZE*5] == 0 &&
144 	inptr[DCTSIZE*6] == 0 && inptr[DCTSIZE*7] == 0) {
146       int dcval = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]) << PASS1_BITS;
148       wsptr[DCTSIZE*0] = dcval;
149       wsptr[DCTSIZE*1] = dcval;
150       wsptr[DCTSIZE*2] = dcval;
151       wsptr[DCTSIZE*3] = dcval;
158     tmp0 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]);
161     z2 = DEQUANTIZE(inptr[DCTSIZE*2], quantptr[DCTSIZE*2]);
162     z3 = DEQUANTIZE(inptr[DCTSIZE*6], quantptr[DCTSIZE*6]);
171     z1 = DEQUANTIZE(inptr[DCTSIZE*7], quantptr[DCTSIZE*7]);
172     z2 = DEQUANTIZE(inptr[DCTSIZE*5], quantptr[DCTSIZE*5]);
173     z3 = DEQUANTIZE(inptr[DCTSIZE*3], quantptr[DCTSIZE*3]);
174     z4 = DEQUANTIZE(inptr[DCTSIZE*1], quantptr[DCTSIZE*1]);
188     wsptr[DCTSIZE*0] = (int) DESCALE(tmp10 + tmp2, CONST_BITS-PASS1_BITS+1);
189     wsptr[DCTSIZE*3] = (int) DESCALE(tmp10 - tmp2, CONST_BITS-PASS1_BITS+1);
190     wsptr[DCTSIZE*1] = (int) DESCALE(tmp12 + tmp0, CONST_BITS-PASS1_BITS+1);
191     wsptr[DCTSIZE*2] = (int) DESCALE(tmp12 - tmp0, CONST_BITS-PASS1_BITS+1);
213       wsptr += DCTSIZE;		/* advance pointer to next row */
260     wsptr += DCTSIZE;		/* advance pointer to next row */
282   int workspace[DCTSIZE*2];	/* buffers data between passes */  in jpeg_idct_2x2()
290   for (ctr = DCTSIZE; ctr > 0; inptr++, quantptr++, wsptr++, ctr--) {  in jpeg_idct_2x2()
292     if (ctr == DCTSIZE-2 || ctr == DCTSIZE-4 || ctr == DCTSIZE-6)  in jpeg_idct_2x2()
294     if (inptr[DCTSIZE*1] == 0 && inptr[DCTSIZE*3] == 0 &&  in jpeg_idct_2x2()
295 	inptr[DCTSIZE*5] == 0 && inptr[DCTSIZE*7] == 0) {  in jpeg_idct_2x2()
297       int dcval = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]) << PASS1_BITS;  in jpeg_idct_2x2()
299       wsptr[DCTSIZE*0] = dcval;  in jpeg_idct_2x2()
300       wsptr[DCTSIZE*1] = dcval;  in jpeg_idct_2x2()
307     z1 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]);  in jpeg_idct_2x2()
312     z1 = DEQUANTIZE(inptr[DCTSIZE*7], quantptr[DCTSIZE*7]);  in jpeg_idct_2x2()
314     z1 = DEQUANTIZE(inptr[DCTSIZE*5], quantptr[DCTSIZE*5]);  in jpeg_idct_2x2()
316     z1 = DEQUANTIZE(inptr[DCTSIZE*3], quantptr[DCTSIZE*3]);  in jpeg_idct_2x2()
318     z1 = DEQUANTIZE(inptr[DCTSIZE*1], quantptr[DCTSIZE*1]);  in jpeg_idct_2x2()
323     wsptr[DCTSIZE*0] = (int) DESCALE(tmp10 + tmp0, CONST_BITS-PASS1_BITS+2);  in jpeg_idct_2x2()
324     wsptr[DCTSIZE*1] = (int) DESCALE(tmp10 - tmp0, CONST_BITS-PASS1_BITS+2);  in jpeg_idct_2x2()
343       wsptr += DCTSIZE;		/* advance pointer to next row */  in jpeg_idct_2x2()
368     wsptr += DCTSIZE;		/* advance pointer to next row */  in jpeg_idct_2x2()