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Programs are supposed to be able to define the __fpu_control variable,
overriding the library's version to cause the floating-point control
word to be set to the chosen value at startup.
This is broken for mips16 for static linking because the library's
__fpu_control variable is in the same object file as the helper
functions used by fpu_control.h for mips16, so test-fpucw-ieee-static
fails to link with multiple definitions of __fpu_control.
This patch fixes this by putting the helpers in a separate file rather
than overriding fpu_control.c. Tested for mips16 that this fixes the
link failure and the ABI tests still pass.
[BZ #18397]
* sysdeps/mips/mips32/fpu/fpu_control.c: Move to ....
* sysdeps/mips/mips32/fpu/fpucw-helpers.c: ... here. Include
<fpu_control.h> instead of <math/fpu_control.c>.
* sysdeps/mips/mips32/fpu/Makefile: New file.
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