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Re: [PATCH] powerpc: Fix logbl on power7 [BZ# 21280]
- From: Adhemerval Zanella <adhemerval dot zanella at linaro dot org>
- To: libc-alpha at sourceware dot org
- Date: Tue, 21 Mar 2017 10:21:28 -0300
- Subject: Re: [PATCH] powerpc: Fix logbl on power7 [BZ# 21280]
- Authentication-results: sourceware.org; auth=none
- References: <1490043778-30228-1-git-send-email-tuliom@linux.vnet.ibm.com>
On 20/03/2017 18:02, Tulio Magno Quites Machado Filho wrote:
> 1. Fix the results for negative subnormals by ignoring the signal when
> normalizing the value.
> 2. Fix the output when the high part is a power of 2 and the low part
> is a nonzero number with opposite sign. This fix is based on commit
> 380bd0fd2418f8988217de950f8b8ff18af0cb2b.
It is not a blocker, but based on the complexity of the change and the
optimization real case usage, I wonder if it would be better to just remove
it and use the default implementation instead.