X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=FreeRTOS%2FSource%2Fportable%2FMSVC-MingW%2Fportmacro.h;h=6ed948d7361d6107bc1b043fd5acbb3cdcf4767f;hb=7c636ea0623ed5d65ecd33e8df65401604ea7100;hp=4ba72918313d1bc8f6c9e4e7f29ec6d9248547b7;hpb=62c041d220c4812a1ea4350cac687998fcd5d733;p=freertos

diff --git a/FreeRTOS/Source/portable/MSVC-MingW/portmacro.h b/FreeRTOS/Source/portable/MSVC-MingW/portmacro.h
index 4ba729183..6ed948d73 100644
--- a/FreeRTOS/Source/portable/MSVC-MingW/portmacro.h
+++ b/FreeRTOS/Source/portable/MSVC-MingW/portmacro.h
@@ -152,11 +152,9 @@ void vPortExitCritical( void );
 	/*-----------------------------------------------------------*/
 
 	#ifdef __GNUC__
-		#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities )	  \
-			__asm volatile(	"mov %0, %%eax									\n\t" \
-							"bsr %%eax, %%eax								\n\t" \
-							"mov %%eax, %1									\n\t" \
-							:"=r"(uxTopPriority) : "r"(uxReadyPriorities) : "eax" )
+		#define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities )	\
+			__asm volatile(	"bsr %1, %0\n\t" 									\
+							:"=r"(uxTopPriority) : "rm"(uxReadyPriorities) : "cc" )
 	#else
 		/* BitScanReverse returns the bit position of the most significant '1'
 		in the word. */