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(parent: 3977477) | patch
powerpc: Add optimized ilogb* for POWER9
authorRaphael Moreira Zinsly <rzinsly@linux.ibm.com>
Tue, 23 Feb 2021 17:14:37 +0000 (14:14 -0300)
committerRaphael Moreira Zinsly <rzinsly@linux.ibm.com>
Tue, 16 Mar 2021 15:19:09 +0000 (12:19 -0300)
commit56c81132ccc6f468fa4fc29c536db060e18e9d87
tree073154d30a66fb6cd09b234198b0c27a5efb36b1tree
parent3977477d48bc85a5719f3d54040b257cc7e85709commit | diff
powerpc: Add optimized ilogb* for POWER9

The instructions xsxexpdp and xsxexpqp introduced on POWER9 extract
the exponent from a double-precision and quad-precision floating-point
respectively, thus they can be used to improve ilogb, ilogbf and ilogbf128.
sysdeps/powerpc/fpu/math_private.h diff | blob | blame | history
sysdeps/powerpc/powerpc64/le/fpu/w_ilogb_template.c [new file with mode: 0644] blob
sysdeps/powerpc/powerpc64/le/fpu/w_ilogbl.c [new file with mode: 0644] blob
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