[Bug middle-end/32686] Code to convert double to _Complex double for arguments passing is not good (extra load)

[pinskia at gcc dot gnu dot org]

------- Comment #1 from pinskia at gcc dot gnu dot org  2007-07-09 03:33 -------
powerpc64-darwin is just as bad, we get:
        mflr r0
        std r31,-8(r1)
        stfd f1,-32(r1)
        bcl 20,31,"L00000000001$pb"
"L00000000001$pb":
        mflr r31
        addis r2,r31,ha16(LC0-"L00000000001$pb")
        mtlr r0
        ld r4,lo16(LC0-"L00000000001$pb")(r2)
        ld r3,-32(r1)
        ld r31,-8(r1)
        b L_f$stub

When we should get:

        stfd f1,-8(r1)
        li r4,0
        ld r3,-8(r1)
        b L_f$stub

With a few nops through in there so we don't reject the distpatch group.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32686