Mirrors_Framework/rtems
1
0
Fork 0
mirror of https://gitlab.rtems.org/rtems/rtos/rtems.git synced 2026-09-02 04:27:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

i386: Fix _CPU_Bitfield_Find_first_bit()

Browse Source 
Bug introduced by b04b76c6a0.
This commit is contained in:
Sebastian Huber
2016-06-13 09:47:34 +02:00
parent 7bf9c8bea7
commit 3bf9fdbe04
1 changed files with 5 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cpukit/score/cpu/i386/rtems/score/cpu.h
+5 -6
View File
@@ -552,14 +552,13 @@ extern void _CPU_Fatal_halt(uint32_t source, uint32_t error)
#define _CPU_Bitfield_Find_first_bit( _value, _output ) \
{ \
register uint16_t __value_in_register = (_value); \
\
_output = 0; \
\
register uint16_t __value_in_register = ( _value ); \
uint16_t __output = 0; \
__asm__ volatile ( "bsfw %0,%1 " \
: "=r" (__value_in_register), "=r" (_output) \
: "0" (__value_in_register), "1" (_output) \
: "=r" ( __value_in_register ), "=r" ( __output ) \
: "0" ( __value_in_register ), "1" ( __output ) \
); \
( _output ) = __output; \
}
/* end of Bitfield handler macros */