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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2018-01-26 12:34:00 +0100 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@gcc.gnu.org> | 2018-01-26 12:34:00 +0100 |
| commit | 048c6a9adcbe3dbf58cac405ebc39d94ea6c025b (patch) | |
| tree | a293830dce49d551376add81e58f0ef3074906b1 /libgo | |
| parent | 7778a1ad1fa10f5202ec65838d1d91a0261ce95c (diff) | |
| download | gcc-048c6a9adcbe3dbf58cac405ebc39d94ea6c025b.zip gcc-048c6a9adcbe3dbf58cac405ebc39d94ea6c025b.tar.gz gcc-048c6a9adcbe3dbf58cac405ebc39d94ea6c025b.tar.bz2 | |
[ARC] Add support for reduced register file set
gcc/
2018-01-26 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/arc-arches.def: Option mrf16 valid for all
architectures.
* config/arc/arc-c.def (__ARC_RF16__): New predefined macro.
* config/arc/arc-cpus.def (em_mini): New cpu with rf16 on.
* config/arc/arc-options.def (FL_RF16): Add mrf16 option.
* config/arc/arc-tables.opt: Regenerate.
* config/arc/arc.c (arc_conditional_register_usage): Handle
reduced register file case.
(arc_file_start): Set must have build attributes.
* config/arc/arc.h (MAX_ARC_PARM_REGS): Conditional define using
mrf16 option value.
* config/arc/arc.opt (mrf16): Add new option.
* config/arc/elf.h (ATTRIBUTE_PCS): Define.
* config/arc/genmultilib.awk: Handle new mrf16 option.
* config/arc/linux.h (ATTRIBUTE_PCS): Define.
* config/arc/t-multilib: Regenerate.
* doc/invoke.texi (ARC Options): Document mrf16 option.
libgcc/
2018-01-26 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/lib1funcs.S (__udivmodsi4): Use safe version for RF16
option.
(__divsi3): Use RF16 safe registers.
(__modsi3): Likewise.
From-SVN: r257083
Diffstat (limited to 'libgo')
0 files changed, 0 insertions, 0 deletions