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Export various 128 bit long double functions from libgcc_s.so.1

Description

Export various 128 bit long double functions from libgcc_s.so.1

These were already compiled for some time on aarch64 and riscv, by
including lib/libcompiler_rt/Makefile.inc, but never exported in the
shared library. Since gcc exports these under version GCC_4.6.0, we do
the same.

This review should replace D11482 for now. For e.g. amd64 more work is
still to be done, as compiler-rt does not seem to support 128 bit long
double math for that architecture.

Reviewed by: cem
Differential Revision: https://reviews.freebsd.org/D28690

(cherry picked from commit 790a6be5a1699291c6da87871426d0c56dedcc89)

Details

Provenance
dimAuthored on Jun 14 2021, 7:17 PM
Reviewer
cem
Differential Revision
D28690: Export various 128 bit long double functions from libgcc_s.so.1
Parents
R10:d8d0df35b353: cpucontrol: fix extended signature matching code to avoid fallthough
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