https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94154
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |marxin at gcc dot gnu.org
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
commit r10-7153-gdbf3dc75888623e9d4bb7cc5e9c30caa9b24ffe7
Author: Bu Le <[email protected]>
Date: Thu Mar 12 22:39:12 2020 +0000
aarch64: Add --params to control the number of recip steps [PR94154]
-mlow-precision-div hard-coded the number of iterations to 2 for double
and 1 for float. This patch adds a --param to control the number.
2020-03-13 Bu Le <[email protected]>
gcc/
PR target/94154
* config/aarch64/aarch64.opt (-param=aarch64-float-recp-precision=)
(-param=aarch64-double-recp-precision=): New options.
* doc/invoke.texi: Document them.
* config/aarch64/aarch64.c (aarch64_emit_approx_div): Use them
instead of hard-coding the choice of 1 for float and 2 for double.
