Kern Walster Kern--
Kern--
/ gist:11ae7fbf99955f46863b
Created
May 20, 2014 19:17
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| inline static s32 BITREV(s32 a) { | |
| s32 ret; | |
| asm __volatile__ ("bitrev %0, %1;" : "=r" (ret) : "r"(a)); | |
| return ret; | |
| } | |
| inline static s32 CLZ(s32 a) { | |
| s32 ret; | |
| asm __volatile__ ("clz %0, %1" : "=r"(ret) : "r" (a)); | |
| return ret; |
Kern--
/ gist:c5e175159036b57ba569
Created
May 20, 2014 18:50
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| static inline s32 lsbPosition(s32 a) { | |
| s32 ret; | |
| asm __volatile__("bitrev $0, %0; | |
| clz %1, $0;" | |
| : "=r"(ret) : "r"(a)); | |
| return ret; | |
| } |
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| #Name of the executable | |
| TARGET = | |
| #objects that go into the executable | |
| OBJS = | |
| CC = gcc | |
| CFLAGS = -g -Wall | |
| DEBUGGER = gdb |