Date: Wed, 18 Sep 2019 09:49:13 -0400 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Subject: Re: [PATCH] mips: add single-instruction math functions On Wed, Sep 18, 2019 at 04:07:33PM +0300, info@...ile-stream.com wrote: > >> diff --git a/src/math/mips/fabs.c b/src/math/mips/fabs.c > >> new file mode 100644 > >> index 00000000..0a5aa3b1 > >> --- /dev/null > >> +++ b/src/math/mips/fabs.c > >> @@ -0,0 +1,16 @@ > >> +#if !defined(__mips_soft_float) && defined(__mips_abs2008) > > R> Why is this dependent on __mips_abs2008? > > > ABS.fmt is non-arithmetic only on cores with the corresponding FCSR > bit hardwired to 1. It is R6 (always) and some R5 cores (such as > P5600, M5150). OK, in that case it may be okay to condition it on R6 (which is a different ISA/ABI), as long as that's actually a hard requirement of the R6 ISA. Rich
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