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Remove clrex instruction from Cortex-M ports again as it is implicit in interrupt entry.

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This commit is contained in:
Richard Barry 2016-06-28 10:39:25 +00:00
parent c296e2cff8
commit bdbf347c22
14 changed files with 0 additions and 25 deletions
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FreeRTOS/Source/portable/RVDS/ARM_CM4_MPU/port.c
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@ -492,7 +492,6 @@ __asm void xPortPendSVHandler( void )
mrs r1, control
stmdb r0!, {r1, r4-r11, r14} /* Save the remaining registers. */
str r0, [r2] /* Save the new top of stack into the first member of the TCB. */
clrex /* Ensure thread safety of atomic operations. */
stmdb sp!, {r3}
mov r0, #configMAX_SYSCALL_INTERRUPT_PRIORITY