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Claudiu Zissulescu 048c6a9adc [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
 		2018-01-26 12:34:00 +01:00
..
ieee-754 Update copyright years. 2018-01-03 11:03:58 +01:00
asm.h Update copyright years. 2018-01-03 11:03:58 +01:00
crti.S Update copyright years. 2018-01-03 11:03:58 +01:00
crtn.S Update copyright years. 2018-01-03 11:03:58 +01:00
crttls.S Update copyright years. 2018-01-03 11:03:58 +01:00
divtab-arc700.c Update copyright years. 2018-01-03 11:03:58 +01:00
dp-hack.h Update copyright years. 2018-01-03 11:03:58 +01:00
fp-hack.h Update copyright years. 2018-01-03 11:03:58 +01:00
initfini.c Update copyright years. 2018-01-03 11:03:58 +01:00
lib1funcs.S [ARC] Add support for reduced register file set 2018-01-26 12:34:00 +01:00
libgcc-excl.ver Update copyright years. 2018-01-03 11:03:58 +01:00
linux-unwind-reg.def Update copyright years. 2018-01-03 11:03:58 +01:00
linux-unwind.h Update copyright years. 2018-01-03 11:03:58 +01:00
t-arc Update copyright years. 2018-01-03 11:03:58 +01:00
t-arc-uClibc Update copyright years. 2018-01-03 11:03:58 +01:00