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lib: Add shared copies of some GCC library routines

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Many ports (m32r, microblaze, mips, parisc, score, and sparc) use
functionally identical copies of various GCC library routine files,
which came up as we were submitting the RISC-V port (which also uses
some of these).

This patch adds a new copy of these library routine files, which are
functionally identical to the various other copies.  These are
availiable via Kconfig as CONFIG_GENERIC_$ROUTINE, which currently isn't
used anywhere.

Reviewed-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Palmer Dabbelt <[email protected]>
This commit is contained in:
Palmer Dabbelt 2017-05-23 10:28:26 -07:00
commit b35cd9884f
9 changed files with 353 additions and 0 deletions
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18
lib/Kconfig
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@ -587,3 +587,21 @@ config STRING_SELFTEST
bool "Test string functions"
endmenu
config GENERIC_ASHLDI3
bool
config GENERIC_ASHRDI3
bool
config GENERIC_LSHRDI3
bool
config GENERIC_MULDI3
bool
config GENERIC_CMPDI2
bool
config GENERIC_UCMPDI2
bool