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Altivec doesn't work?
- From: Décio Luiz Gazzoni Filho <decio at decpp dot net>
- To: gdb at sources dot redhat dot com
- Date: Sat, 16 Jul 2005 15:00:18 -0300
- Subject: Altivec doesn't work?
Hello,
I have `GNU gdb 6.1-20040303 (Apple version gdb-413)' running on Mac
OS X 10.4.2. I wrote some Altivec code and tried to load it into gdb.
Although gdb can print the vector registers, they are not updated by
any instructions that are run: all regs stay at the value
0x7FFFDEAD7FFFDEAD7FFFDEAD7FFFDEAD.
I believe it's not a compilation issue, or a processor issue (mine is
an MPC7447). Outside of gdb, the code seems to run fine (doesn't give
an invalid instruction exception).
This is my first foray into Altivec programming, so I'm wondering
what I'm missing here? This can't be a bug as Google doesn't turn
anything up.
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