Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers

Arjan van de Ven wrote:

On Tue, 2006-01-03 at 08:53 +0000, Russell King wrote:

On Mon, Jan 02, 2006 at 10:59:04PM -0500, Daniel Jacobowitz wrote:

On Mon, Jan 02, 2006 at 10:23:35PM +0000, Russell King wrote:

static void fn1(void *f)
{
}

void fn2(void *f)
{
       fn1(f);
}

on ARM produces:

On 3.4, 4.0, and 4.1 you only need -O for this (I just checked both x86
and ARM compilers).  I believe this came in with unit-at-a-time, as
Arjan said - which was GCC 3.4.

Well, as demonstrated, it doesn't work with gcc 3.3.  Since we aren't
about to increase the minimum gcc version to 3.4, this isn't acceptable.

s/isn't acceptable/is suboptimal/

I'm afraid it _isn't_ _acceptable_ since it just can kill current XIP implementation.

Vitaly
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---

• References:
  • Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers
    • From: Ingo Molnar <[email protected]>
  • Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers
    • From: Arjan van de Ven <[email protected]>
  • Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers
    • From: Adrian Bunk <[email protected]>
  • Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers
    • From: Ingo Molnar <[email protected]>
  • Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers
    • From: Krzysztof Halasa <[email protected]>
  • Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers
    • From: Arjan van de Ven <[email protected]>
  • Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers
    • From: Russell King <[email protected]>
  • Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers
    • From: Daniel Jacobowitz <[email protected]>
  • Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers
    • From: Russell King <[email protected]>
  • Re: [patch 00/2] improve .text size on gcc 4.0 and newer compilers
    • From: Arjan van de Ven <[email protected]>

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