Krystian Bacławski cahirwpz
cahirwpz
/ m68k-absl.c
Created
April 25, 2016 07:16
m68k GCC assembly inline for abs function without jump instruction
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| static inline int absl(int x) { | |
| int t; | |
| asm("move.l %0,%1\n\t" | |
| "add.l %1,%1\n\t" | |
| "subx.l %1,%1\n\t" | |
| "eor.l %1,%0\n\t" | |
| "sub.l %1,%0\n\t" | |
| : "+r" (x), "=r" (t)); | |
| return x; | |
| } |