Some small optimization issues with gcc 4.0 20050418

[Sebastian Biallas]

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James E Wilson wrote:
> Sebastian Biallas wrote:
> 
>> You don't need to reserve a stack slot for the return address on x86.
>> The stack slot will be allocated implicitly by the "call" instruction.
> 
> OK, then this must be a similar issue to the register saves in the
> prologue.  There is confusion between calculating the frame size, and
> calculating the amount to subtract from the stack pointer.  These are
> not the same on x86 because some values are being pushed on the stack.

It's already fixed in the mainline, so we can ignore the stack issue.

Sebastian
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