[PATCH] D30415: Fix -mno-altivec cannot overwrite -maltivec option

Hal Finkel via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Tue Mar 14 07:43:09 PDT 2017

hfinkel added a comment.

In https://reviews.llvm.org/D30415#700534, @nemanjai wrote:

> This seems to change the relationship between -m[no-]altivec and -f[no-]altivec which has been kind of contentious for a while. Can you add a note as to whether the new behaviour matches the GCC behaviour. Also, perhaps @echristo might want to chime in as to whether this is the desired behaviour or not.

Why do you say this? It only seems to affect whether the syntax extensions can be disabled via the appropriate flag.


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