[Bug target/19102] [3.4 Regression] -march=pentium3 breaks linux kernel compiles w/ gcc-3_4-branch as of 2004/12/20

[rth at gcc dot gnu dot org]

------- Additional Comments From rth at gcc dot gnu dot org  2004-12-22 19:12 -------
Subject: Re:  [3.4 Regression] -march=pentium3 breaks linux kernel compiles w/ gcc-3_4-branch as of 2004/12/20

> Why do we allow MMX modes in SSE regs now?

Because x86-64 calling conventions demand it.


r~


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19102