[Bug target/13958] Conversion from unsigned to double is painfully slow on P4

[uros at gcc dot gnu dot org]

------- Comment #4 from uros at gcc dot gnu dot org  2008-03-21 20:43 -------
Subject: Bug 13958

Author: uros
Date: Fri Mar 21 20:43:12 2008
New Revision: 133435

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=133435
Log:
        PR target/13958
        * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
        corresponding post-reload splitters.
        ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
        when x87 FP math is selected.
        * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
        New function prototype.
        * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
        unreachable function to ease macroization of insn patterns.


Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386-protos.h
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.md


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13958