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New exp10f version without SVID compat wrapper

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This patch changes the exp10f error handling semantics to only set
errno according to POSIX rules.  New symbol version is introduced at
GLIBC_2.32.  The old wrappers are kept for compat symbols.

There are some outliers that need special handling:

  - ia64 provides an optimized implementation of exp10f that uses ia64
    specific routines to set SVID compatibility.  The new symbol version
    is aliased to the exp10f one.

  - m68k also provides an optimized implementation, and the new version
    uses it instead of the sysdeps/ieee754/flt32 one.

  - riscv and csky uses the generic template implementation that
    does not provide SVID support.  For both cases a new exp10f
    version is not added, but rather the symbols version of the
    generic sysdeps/ieee754/flt32 is adjusted instead.

Checked on aarch64-linux-gnu, x86_64-linux-gnu, i686-linux-gnu,
powerpc64le-linux-gnu.
This commit is contained in:
Adhemerval Zanella
2020-04-08 19:51:44 -03:00
parent 4b2d8e4442
commit be668a8d78
33 changed files with 64 additions and 8 deletions
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1
sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
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@@ -1061,6 +1061,7 @@ GLIBC_2.31 totalordermagf32x F
GLIBC_2.31 totalordermagf64 F
GLIBC_2.31 totalordermagf64x F
GLIBC_2.31 totalordermagl F
GLIBC_2.32 exp10f F
GLIBC_2.4 __clog10l F
GLIBC_2.4 __finitel F
GLIBC_2.4 __fpclassifyl F

1
sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
View File

@@ -1053,3 +1053,4 @@ GLIBC_2.31 totalordermagf32x F
GLIBC_2.31 totalordermagf64 F
GLIBC_2.31 totalordermagf64x F
GLIBC_2.31 totalordermagl F
GLIBC_2.32 exp10f F