Re: [PATCH] oops_in_progress is unlikely()

[Jamie Lokier]

Pavel Machek wrote:
> He's right. Even without subsections you can move code somewhere
> outside the function. And gcc should be smart enough to do that.

It is:

	extern int a, b;
	int test()
	{
	  if (__builtin_expect(a > 1, 1))
	    foo();
	  else
	    bar();
	  return b;
	}

Compiles to (with gcc -Os -fomit-frame-pointer):

	test:	cmpl	$1, a
		jle	.L2
		call	foo
	.L3:	movl	b, %eax
		ret
	.L2:	call	bar
		jmp	.L3

Enjoy,
-- Jamie
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