Re: [PATCH] Adding target rdos to GCC

[Leif Ekblad]

Updated patches with the suggestions below, except that the initial value is 0 (which is not meaningful). I also added a setting in rdos target file to use r15

for PIC instead of rbx.

New change log:
* config/gthr.m4: Added rdos thread header.

* gcc/config/i386/i386.md: Added r14 and r15 register names.

* gcc/config/i386/rdos.h: Added new file for rdos target definition.
* gcc/config.gcc: Added rdos target

Tested for target rdos and rdos32.

Regards,
Leif Ekblad



To: "Leif Ekblad" <l...@rdos.net>
Cc: "GCC Patches" <gcc-patches@gcc.gnu.org>
Sent: Friday, January 04, 2013 11:32 PM
Subject: Re: [PATCH] Adding target rdos to GCC

* gcc/config/i386/i386.c: Provided a way to define a default setting for medium memory model and PIC. Provided a way to define a default value for large-data-threshold. * gcc/config/i386/i386.h: Defined default value for medium memory model & PIC. Defined default value for large-data-threshold. * gcc/config/i386/i386.opt: Changed initial value for large-data-threshold to 0 to allow detection of modification. ----- Original Message ----- From: "H.J. Lu" <hjl.to...@gmail.com>

On Fri, Jan 4, 2013 at 2:22 PM, Leif Ekblad <l...@rdos.net> wrote:

Change log:
* config/gthr.m4: Added rdos thread header.
* gcc/config/i386/i386.c: Provided a way to define a default setting for
medium memory model and PIC. Provided a way to define a default value for
large-data-threshold.
* gcc/config/i386/i386.h: Defined default value for medium memory model &
PIC.
* gcc/config/i386/rdos.h: Added new file for rdos target definition.
* gcc/config.gcc: Added rdos target

The change to gthr.m4 requires rebuilding the configure scripts.

Tested with target rdos and rdos32. Is this ok for trunk?

Regards,
Leif Ekblad

+ #ifdef TARGET_SECTION_THRESHOLD
+   ix86_section_threshold = TARGET_SECTION_THRESHOLD;
+ #endif

You should

1. Add DEFAULT_SECTION_THRESHOLD and set it to
65536.
2. Change the init value of  ix86_section_threshold to -1.
3. Set ix86_section_threshold to DEFAULT_SECTION_THRESHOLD
if it is -1.


--

H.J.

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