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The fdim and fdimf functions on sparc do not fully follow the standard
and do not set errno to ERANGE when the result overflows. Since glibc
2.24 this causes the two following tests to fail:
Failure: fdim (max_value, -max_value): errno set to 0, expected 34 (ERANGE)
Failure: fdim_upward (max_value, -max_value): errno set to 0, expected 34 (ERANGE)
It happens that using GCC with the generic C code generates very similar
code to the sparc specific implementations. Therefore this patches
remove them. Note it might still worth adding a vis3 specific version of
fdim on sparc32/sparcv9, this is done in a following patch to ease
backporting.
Changelog:
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/Makefile
[$(subdir) = math && $(have-as-vis3) = yes] (libm-sysdep_routines):
Remove s_fdimf-vis3, s_fdim-vis3.
* sysdeps/sparc/sparc32/fpu/s_fdim.S: Delete file.
* sysdeps/sparc/sparc32/fpu/s_fdimf.S: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim-vis3.S: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdim.S: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf-vis3.S: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fdimf.S: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_fdim.S: Likewise.
* sysdeps/sparc/sparc32/sparcv9/fpu/s_fdimf.S: Likewise.
* sysdeps/sparc/sparc64/fpu/s_fdim.S: Likewise.
* sysdeps/sparc/sparc64/fpu/s_fdimf.S: Likewise.
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