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Re: [C++ PATCH] Don't create an INTEGER_CST for aggregates (empty structs)
Paolo Carlini <pcarlini@suse.de> writes:
| Hi Jason,
|
| >On 12 Mar 2005 11:27:41 +0100, Gabriel Dos Reis <gdr@integrable-solutions.net> wrote:
| >
| >>Second, the case of stack-based CPUs, e.g. x86-like.
| >>The caller does not need any push of such trailing empty class
| >>arguments on stack -- and the callee knows it has no business trying
| >> to pop such value. Consequently adjustments need to be done for
| >> the stack frame "depth".
| >This assumes that we control both caller and callee, which violates the
| >idea of a standardized ABI.
| >
| Ok. Therefore, which are the implications of this? I mean, is it
| unavoidable that
| the code generated on powerpc is better that on x86 (for the reasons
| explained by
| Andrew in the audit trail)? Sorry about the direct question.
Instrinsically, yes. But the situation for x86 can be improved.
-- Gaby