tree 9682242c1c4597fd0891742dc2e0a460167b5cec
parent de16017dc8f2c33c73bd3faebf3c626c400af5e4
author Richard Sandiford <rdsandiford@googlemail.com> 1358874185 +0000
committer Blue Swirl <blauwirbel@gmail.com> 1359206529 +0000

softfloat: Handle float_muladd_negate_c when product is zero

Honour float_muladd_negate_c in the case where the product is zero and
c is nonzero.  Previously we would fail to negate c.

Seen in (and tested against) the gfortran testsuite on MIPS.

Signed-off-by: Richard Sandiford <rdsandiford@googlemail.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>