Quoth Florian Weimer <[EMAIL PROTECTED]>, on 2006-05-08 19:45:21 +0200:
> * Drake Wilson:
>
> > extern int foo(int x);
> > int bar(void) { return foo(32); }
> >
> > On i386 this compiles to
> >
> > pushl %ebp
> > movl%esp, %ebp
> > subl$8, %esp
> > mov
* Drake Wilson:
> extern int foo(int x);
> int bar(void) { return foo(32); }
>
> On i386 this compiles to
>
> pushl %ebp
> movl%esp, %ebp
> subl$8, %esp
> movl$32, (%esp)
> callfoo
> leave
> ret
>
> which doesn't correct
Package: gcc-4.1
Version: 4.1.0-2
Severity: normal
Trying to write an argument-passing tail call to another function
doesn't seem to get optimized with -foptimize-sibling-calls no matter
which other optimization options I turn on. Example, to be run
through [gcc -foptimize-sibling-calls -O9 -S]:
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