CCS/CODECOMPOSER: wrong expression value for 32bit variables allocated into registers (TMS320F28)

void ExpressionIssue(void)
{
uint32_t Temp = 0;

do
{
Temp++;
if (Temp > 0x0000FFFF)
{
asm(" NOP");
}
} while (Temp < 0x000A0000);
}

void main(void) {

ExpressionIssue();

}

Just set a breakpoint on the asm instruction and run: the CPU will stop (the first time) when Temp is 0x00010000, but if you inspect Temp value in Expressions window you'll see that value "is" 0 (better, forcing hex format "is" 0x00000000). The compiler (in my case) allocates Temp in XAR5 and in the Registers window it show the correct value.
Running on again, on successive breaks, XAR5 rightly increments to 0x00010001, then 0x00010002... but in Expression Temp is show as 0x00000001, then 0x00000002...

It's missing the 16 MSB... (just on visualization, the effective value is correct and the cycle ends after the expected iterations).

It seems to me that this only happens on variables fitted in a cpu register: if you declare Temp outside the function (in the global scope) it is allocated in ram and the value in Expression window is good.