Re: [PATCH] Kbuild: Disable var tracking with CONFIG_DEBUG_INFO_REDUCED

2013-02-22 Thread Michal Marek
On Thu, Feb 07, 2013 at 01:58:40PM -0800, Andi Kleen wrote: > From: Andi Kleen > > Newer gcc enables the var-tracking pass with -g to keep track which > registers contain which variables. This is one of the slower passes in gcc. > > With reduced debug info (aimed at objdump -S, but not using a f

[PATCH] Kbuild: Disable var tracking with CONFIG_DEBUG_INFO_REDUCED

2013-02-07 Thread Andi Kleen
From: Andi Kleen Newer gcc enables the var-tracking pass with -g to keep track which registers contain which variables. This is one of the slower passes in gcc. With reduced debug info (aimed at objdump -S, but not using a full debugger) we don't need this fine grained tracking. But it was still