Remove disabled non-optimized code variants.
authorDiego Biurrun <diego@biurrun.de>
Fri, 29 Apr 2011 17:46:10 +0000 (19:46 +0200)
committerDiego Biurrun <diego@biurrun.de>
Fri, 29 Apr 2011 18:01:13 +0000 (20:01 +0200)
libavcodec/sh4/idct_sh4.c
libavcodec/x86/mpegvideo_mmx_template.c

index 0758cd9..0baff39 100644 (file)
@@ -54,8 +54,6 @@ static const float odd_table[] __attribute__ ((aligned(8))) = {
 #undef  c6
 #undef  c7
 
-#if 1
-
 #define         load_matrix(table) \
     do { \
         const float *t = table; \
@@ -84,52 +82,11 @@ static const float odd_table[] __attribute__ ((aligned(8))) = {
         register float fr2 __asm__("fr2"); \
         register float fr3 __asm__("fr3")
 
-#else
-
-/* generic C code for check */
-
-static void ftrv_(const float xf[],float fv[])
-{
-        float f0,f1,f2,f3;
-        f0 = fv[0];
-        f1 = fv[1];
-        f2 = fv[2];
-        f3 = fv[3];
-        fv[0] = xf[0]*f0 + xf[4]*f1 + xf[ 8]*f2 + xf[12]*f3;
-        fv[1] = xf[1]*f0 + xf[5]*f1 + xf[ 9]*f2 + xf[13]*f3;
-        fv[2] = xf[2]*f0 + xf[6]*f1 + xf[10]*f2 + xf[14]*f3;
-        fv[3] = xf[3]*f0 + xf[7]*f1 + xf[11]*f2 + xf[15]*f3;
-}
-
-static void load_matrix_(float xf[],const float table[])
-{
-        int i;
-        for(i=0;i<16;i++) xf[i]=table[i];
-}
-
-#define         ftrv()                  ftrv_(xf,fv)
-#define         load_matrix(table)      load_matrix_(xf,table)
-
-#define         DEFREG \
-        float fv[4],xf[16]
-
-#define         fr0     fv[0]
-#define         fr1     fv[1]
-#define         fr2     fv[2]
-#define         fr3     fv[3]
-
-#endif
-
-#if 1
 #define         DESCALE(x,n)    (x)*(1.0f/(1<<(n)))
-#else
-#define         DESCALE(x,n)    (((int)(x)+(1<<(n-1)))>>(n))
-#endif
 
 /* this code work worse on gcc cvs. 3.2.3 work fine */
 
 
-#if 1
 //optimized
 
 void idct_sh4(DCTELEM *block)
@@ -252,111 +209,3 @@ void idct_sh4(DCTELEM *block)
 
         fp_single_leave(fpscr);
 }
-#else
-void idct_sh4(DCTELEM *block)
-{
-        DEFREG;
-
-        int i;
-        float   tblock[8*8],*fblock;
-
-        /* row */
-
-        /* even part */
-        load_matrix(even_table);
-
-        fblock = tblock;
-        i = 8;
-        do {
-                fr0 = block[0];
-                fr1 = block[2];
-                fr2 = block[4];
-                fr3 = block[6];
-                block+=8;
-                ftrv();
-                fblock[0] = fr0;
-                fblock[2] = fr1;
-                fblock[4] = fr2;
-                fblock[6] = fr3;
-                fblock+=8;
-        } while(--i);
-        block-=8*8;
-        fblock-=8*8;
-
-        load_matrix(odd_table);
-
-        i = 8;
-
-        do {
-                float t0,t1,t2,t3;
-                fr0 = block[1];
-                fr1 = block[3];
-                fr2 = block[5];
-                fr3 = block[7];
-                block+=8;
-                ftrv();
-                t0 = fblock[0];
-                t1 = fblock[2];
-                t2 = fblock[4];
-                t3 = fblock[6];
-                fblock[0] = t0 + fr0;
-                fblock[7] = t0 - fr0;
-                fblock[1] = t1 + fr1;
-                fblock[6] = t1 - fr1;
-                fblock[2] = t2 + fr2;
-                fblock[5] = t2 - fr2;
-                fblock[3] = t3 + fr3;
-                fblock[4] = t3 - fr3;
-                fblock+=8;
-        } while(--i);
-        block-=8*8;
-        fblock-=8*8;
-
-        /* col */
-
-        /* even part */
-        load_matrix(even_table);
-
-        i = 8;
-
-        do {
-                fr0 = fblock[8*0];
-                fr1 = fblock[8*2];
-                fr2 = fblock[8*4];
-                fr3 = fblock[8*6];
-                ftrv();
-                fblock[8*0] = fr0;
-                fblock[8*2] = fr1;
-                fblock[8*4] = fr2;
-                fblock[8*6] = fr3;
-                fblock++;
-        } while(--i);
-        fblock-=8;
-
-        load_matrix(odd_table);
-
-        i=8;
-        do {
-                float t0,t1,t2,t3;
-                fr0 = fblock[8*1];
-                fr1 = fblock[8*3];
-                fr2 = fblock[8*5];
-                fr3 = fblock[8*7];
-                ftrv();
-                t0 = fblock[8*0];
-                t1 = fblock[8*2];
-                t2 = fblock[8*4];
-                t3 = fblock[8*6];
-                fblock++;
-                block[8*0] = DESCALE(t0 + fr0,3);
-                block[8*7] = DESCALE(t0 - fr0,3);
-                block[8*1] = DESCALE(t1 + fr1,3);
-                block[8*6] = DESCALE(t1 - fr1,3);
-                block[8*2] = DESCALE(t2 + fr2,3);
-                block[8*5] = DESCALE(t2 - fr2,3);
-                block[8*3] = DESCALE(t3 + fr3,3);
-                block[8*4] = DESCALE(t3 - fr3,3);
-                block++;
-        } while(--i);
-}
-#endif
index ddda07a..0f01cb2 100644 (file)
@@ -116,22 +116,11 @@ static int RENAME(dct_quantize)(MpegEncContext *s,
             q = s->c_dc_scale;
         /* note: block[0] is assumed to be positive */
         if (!s->h263_aic) {
-#if 1
         __asm__ volatile (
                 "mul %%ecx                \n\t"
                 : "=d" (level), "=a"(dummy)
                 : "a" ((block[0]>>2) + q), "c" (ff_inverse[q<<1])
         );
-#else
-        __asm__ volatile (
-                "xorl %%edx, %%edx        \n\t"
-                "divw %%cx                \n\t"
-                "movzwl %%ax, %%eax       \n\t"
-                : "=a" (level)
-                : "a" ((block[0]>>2) + q), "c" (q<<1)
-                : "%edx"
-        );
-#endif
         } else
             /* For AIC we skip quant/dequant of INTRADC */
             level = (block[0] + 4)>>3;