Joseph Myers 445810ec91 softfloat: return low bits of quotient from floatx80_modrem ... Both x87 and m68k need the low parts of the quotient for their remainder operations. Arrange for floatx80_modrem to track those bits and return them via a pointer. The architectures using float32_rem and float64_rem do not appear to need this information, so the *_rem interface is left unchanged and the information returned only from floatx80_modrem. The logic used to determine the low 7 bits of the quotient for m68k (target/m68k/fpu_helper.c:make_quotient) appears completely bogus (it looks at the result of converting the remainder to integer, the quotient having been discarded by that point); this patch does not change that, but the m68k maintainers may wish to do so. Signed-off-by: Joseph Myers <joseph@codesourcery.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <alpine.DEB.2.21.2006081656500.23637@digraph.polyomino.org.uk> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>		2020-06-26 09:39:38 -04:00
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softfloat-specialize.inc.c	softfloat: Return bool from all classification predicates	2020-05-19 08:43:05 -07:00
softfloat.c	softfloat: return low bits of quotient from floatx80_modrem	2020-06-26 09:39:38 -04:00