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Hi, ? Here is a small piece of code with which I am facing problem. The code has been compiled with O2. I expect both pieces to work identically, but they are not. Could you please explain what's going wrong?? ? Code dump with no volatile pointer ? void MainThread() { ?? *(UINT4*)(0xe2000a00) = (UINT4) Mainproc; ?? return; } ? ? ? 00166c00 <MainThread>: ? 166c00:?? 3c020017??? lui v0,0x17 ? 166c04:?? 24426400??? addiu?? v0,v0,25600 ? 166c08:?? 3c01e200??? lui at,0xe200 ? 166c0c:?? 03e00008??? jr? ra ? 166c10:?? ac220a00??? sw? v0,2560(at) ? Observation: After the function executes, at address 0xe2000a00 we see 0 ? ? code dump with volatile pointer ? void MainThread() { ?? *(volatile UINT4*)(0xe2000a00) = (UINT4) Mainproc; ?? return; } ? ? 00166c00 <MainThread>: ? 166c00:?? 3c03e200??? lui v1,0xe200 ? 166c04:?? 3c020017??? lui v0,0x17 ? 166c08:?? 34630a00??? ori v1,v1,0xa00 ? 166c0c:?? 24426400??? addiu?? v0,v0,25600 ? 166c10:?? 03e00008??? jr? ra ? 166c14:?? ac620000??? sw? v0,0(v1) ? Observation: After the function executes, at address 0xe2000a00 we see 0x176400 ? Thanks, Sweta ? ------ Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/ Want to unsubscribe? Send a note to crossgcc-unsubscribe@sources.redhat.com
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