GCC Bugs and Issues

Bug ID
Subject Status Comments
43137 redundant register move for sign extending Fixed ARM only
[4.5 Regression] linking results in undefined references to _savegpr_* _restgpr_*_x Patch available, but doesn't work Prevents use of optspace for PowerPC
44290 [4.5 regression] __naked attribute is broken Linux Workaround
ARM only
(Linux only)
44392 [4.5 Regression] libgcc compile with --enable-target-optspace (-Os) causes recursion in __bswapsi2 Fixed ARM only
44606 Wrong SPE floating point during computation Fixed PPC SPE only
45052 [4.5 Regression] volatile ignored Fixed Use proper I/O accessors with memory barriers!
See ARM: Avoid compiler optimization for readb, writeb and friends.
45094 [arm] wrong instructions for dword move in some cases Fixed ARM only
45886 [ARM] support for __ARM_PCS_VFP predefined symbol in gcc 4.5.x would be very nice Fixed ARM only

Note: The status entry "fixed" in the table above means that there are patches available that are supposed to fix the problem; it does not mean that these patches have actually been integrated into any of the currently available GCC releases or tool chains yet.
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