[Bug target/66905] SSE not enabled for -march=pentium4

[michael.finn.jorgensen at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66905

--- Comment #1 from Michael Jørgensen <michael.finn.jorgensen at gmail dot com> 
---
The same problem appears on a 64-bit system:

Linux granbo-3 4.0.4-303.fc22.x86_64 #1 SMP Thu May 28 12:37:06 UTC 2015 x86_64
x86_64 x86_64 GNU/Linux

using:

gcc version 5.1.1 20150618 (Red Hat 5.1.1-4) (GCC)