yann@1: Date: Sat, 1 May 2004 21:08:10 +0200
yann@1: From: Jakub Jelinek <jakub@redhat.com>
yann@1: To: Dan Kegel <dank@kegel.com>, mark@codesourcery.com
yann@1: Cc: gcc-patches@gcc.gnu.org
yann@1: Subject: [PATCH] sparc64-linux --with-cpu=ultrasparc fix
yann@1: Message-ID: <20040501190810.GD5191@sunsite.ms.mff.cuni.cz>
yann@1: Reply-To: Jakub Jelinek <jakub@redhat.com>
yann@1: References: <40940B11.9080907@kegel.com>
yann@1: In-Reply-To: <40940B11.9080907@kegel.com>
yann@1: 
yann@1: On Sat, May 01, 2004 at 01:39:45PM -0700, Dan Kegel wrote:
yann@1: > I'm having a bit of trouble configuring gcc-3.4.0  for sparc64-linux.
yann@1: > The resulting compiler defaults to sparc32, which is a problem
yann@1: > because it means having to figure out how to add
yann@1: > -mcpu=ultrasparc3 -Wa,-Av9a -m64 to CFLAGS for everything I build.
yann@1: > The worst part is that this even affects libgcc.a, which makes it
yann@1: > pretty hard to link any sparc64 executables.  I could figure out
yann@1: > how mklibgcc and multilibbing work, and maybe thereby get a good 64 bit 
yann@1: > libgcc.a,
yann@1: > but I'd kind of like to avoid that for the moment, and just really get
yann@1: > gcc to default to 64 bit output.
yann@1: > 
yann@1: > What's the right way to get gcc to default to building 64 bit executables
yann@1: > when targeting sparc64-linux?
yann@1: 
yann@1: There was TARGET_CPU_ultrasparc3 missing in linux64.h.
yann@1: I've commited the following fix to the trunk, but as it is not a regression,
yann@1: I'm not sure if Mark is ok with this for gcc-3_4-branch.
yann@1: 
yann@1: 2004-05-01  Jakub Jelinek  <jakub@redhat.com>
yann@1: 
yann@1: 	* config/sparc/linux64.h (TARGET_DEFAULT): Make 64-bit by default
yann@1: 	also for TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3.
yann@1: 
yann@1: --- gcc-3.4.0/gcc/config/sparc/linux64.h.jj	2004-05-01 22:59:52.000000000 +0200
yann@1: +++ gcc-3.4.0/gcc/config/sparc/linux64.h	2004-05-01 23:00:41.126176529 +0200
yann@1: @@ -39,7 +39,9 @@ Boston, MA 02111-1307, USA.  */
yann@1:  #undef MD_EXEC_PREFIX
yann@1:  #undef MD_STARTFILE_PREFIX
yann@1:  
yann@1: -#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
yann@1: +#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
yann@1: +    || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc \
yann@1: +    || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
yann@1:  /* A 64 bit v9 compiler with stack-bias,
yann@1:     in a Medium/Low code model environment.  */
yann@1:  
yann@1: 
yann@1: 	Jakub
yann@1: 
yann@1: 
yann@1: