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[Bug target/54222] [avr] Implement fixed-point support
- From: "gjl at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 12 Feb 2013 14:55:22 +0000
- Subject: [Bug target/54222] [avr] Implement fixed-point support
- Auto-submitted: auto-generated
- References: <bug-54222-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54222
--- Comment #13 from Georg-Johann Lay <gjl at gcc dot gnu.org> 2013-02-12 14:55:22 UTC ---
Author: gjl
Date: Tue Feb 12 14:55:16 2013
New Revision: 195978
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195978
Log:
gcc/
PR target/54222
* config/avr/avr-dimode.md (umulsidi3, mulsidi3): New expanders.
(umulsidi3_insn, mulsidi3_insn): New insns.
libgcc/
PR target/54222
* config/avr/t-avr (LIB2FUNCS_EXCLUDE): Add: _usmulUHA, _usmulUSA,
_ssmulHA, _ssmulSA.
(LIB1ASMFUNCS): Add: _muldi3_6, _mulsidi3, _umulsidi3, _usmuluha3,
_ssmulha3, _usmulusa3, _ssmulsa3.
* config/avr/lib1funcs.S (__muldi3_6): Break out of __muldi3.
(__muldi3): XCALL __muldi3_6 instead of rcall.
(__umulsidi3, __mulsidi3): New functions.
(do_prologue_saves, do_epilogue_restores): New .macros.
(__divdi3_moddi3): Use them.
* config/avr/lib1funcs-fixed.S (__usmuluha3, __ssmulha3)
(__usmulusa3, __ssmulsa3): New functions.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/config/avr/avr-dimode.md
trunk/libgcc/ChangeLog
trunk/libgcc/config/avr/lib1funcs-fixed.S
trunk/libgcc/config/avr/lib1funcs.S
trunk/libgcc/config/avr/t-avr