diff options
Diffstat (limited to 'apps/plugins/fractals/cpu_coldfire.h')
| -rw-r--r-- | apps/plugins/fractals/cpu_coldfire.h | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/apps/plugins/fractals/cpu_coldfire.h b/apps/plugins/fractals/cpu_coldfire.h index 452f18e..9be207e 100644 --- a/apps/plugins/fractals/cpu_coldfire.h +++ b/apps/plugins/fractals/cpu_coldfire.h @@ -22,8 +22,39 @@ #ifndef _CPU_COLDFIRE_H #define _CPU_COLDFIRE_H -inline short muls16_asr10(short a, short b); +inline static short muls16_asr10(short a, short b) +{ + asm ( + "muls.w %[a],%[b] \n" + "asr.l #8,%[b] \n" + "asr.l #2,%[b] \n" + : /* outputs */ + [b]"+d"(b) + : /* inputs */ + [a]"d" (a) + ); + return b; +} -inline long muls32_asr26(long a, long b); +inline static long muls32_asr26(long a, long b) +{ + long r, t1; + asm ( + "mac.l %[a], %[b], %%acc0 \n" /* multiply */ + "move.l %%accext01, %[t1] \n" /* get low part */ + "movclr.l %%acc0, %[r] \n" /* get high part */ + "asl.l #5, %[r] \n" /* hi <<= 5, plus one free */ + "lsr.l #3, %[t1] \n" /* lo >>= 3 */ + "and.l #0x1f, %[t1] \n" /* mask out unrelated bits */ + "or.l %[t1], %[r] \n" /* combine result */ + : /* outputs */ + [r] "=d"(r), + [t1]"=d"(t1) + : /* inputs */ + [a] "d" (a), + [b] "d" (b) + ); + return r; +} #endif |