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| author | Evandro Menezes <evandro@gcc.gnu.org> | 2016-06-13 19:02:56 +0000 |
|---|---|---|
| committer | Evandro Menezes <evandro@gcc.gnu.org> | 2016-06-13 19:02:56 +0000 |
| commit | 98daafa0b3decfb3efa2f2427f7b6e13de660541 (patch) | |
| tree | ff0040ae43db233ff1f4aed503351f1a05556755 /gcc/selftest.c | |
| parent | 9acc9cbeb8570573b8d73053453d65becc2d386a (diff) | |
| download | gcc-98daafa0b3decfb3efa2f2427f7b6e13de660541.zip gcc-98daafa0b3decfb3efa2f2427f7b6e13de660541.tar.gz gcc-98daafa0b3decfb3efa2f2427f7b6e13de660541.tar.bz2 | |
[AArch64] Emit square root using the Newton series
2016-06-13 Evandro Menezes <e.menezes@samsung.com>
Wilco Dijkstra <wilco.dijkstra@arm.com>
gcc/
* config/aarch64/aarch64-protos.h
(aarch64_emit_approx_rsqrt): Replace with new function
"aarch64_emit_approx_sqrt".
(cpu_approx_modes): New member "sqrt".
* config/aarch64/aarch64.c
(generic_approx_modes): New member "sqrt".
(exynosm1_approx_modes): Likewise.
(xgene1_approx_modes): Likewise.
(aarch64_emit_approx_rsqrt): Replace with new function
"aarch64_emit_approx_sqrt".
(aarch64_override_options_after_change_1): Handle new option.
* config/aarch64/aarch64-simd.md
(rsqrt<mode>2): Use new function instead.
(sqrt<mode>2): New expansion and insn definitions.
* config/aarch64/aarch64.md: Likewise.
* config/aarch64/aarch64.opt
(mlow-precision-sqrt): Add new option description.
* doc/invoke.texi (mlow-precision-sqrt): Likewise.
From-SVN: r237396
Diffstat (limited to 'gcc/selftest.c')
0 files changed, 0 insertions, 0 deletions