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On Tue, 21 Aug 2007, Ian Lance Taylor wrote:
With the modifications I made, GCC still compiled fine. However, libgcc and libstdc++ DO still get build with the missing instructions (according to objdump -D). Why is that? Is that a consequence of the ADA files? Or something else? Where should I look? Is the it ada files that are the cause of the problem I'm seeing?
It must be something else. I'm not sure what, though. It might be something as simple as an instruction built from substrings. For example, search for altivec_vmsumu<VI_char>m in altivec.md.
I just re-checked for that and I can't find any. I have attached a diff for my modified altivec.h, altivec.md and rs6000.c files. Patch in gcc/config/rs6000 subtree with -p1.
Can anyone think of anywhere else I should be looking? Where else could these instructions be coming from?
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