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r232439 - in /trunk/gcc: ChangeLog config/rs600...


Author: dje
Date: Fri Jan 15 16:38:08 2016
New Revision: 232439

URL: https://gcc.gnu.org/viewcvs?rev=232439&root=gcc&view=rev
Log:
        PR target/68609
        * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
        (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
        * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
        precision estimate.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/rs6000.c
    trunk/gcc/config/rs6000/rs6000.md


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