Joseph Myers 85964d48d2 softfloat: fix floatx80 pseudo-denormal addition / subtraction ... The softfloat function addFloatx80Sigs, used for addition of values with the same sign and subtraction of values with opposite sign, fails to handle the case where the two values both have biased exponent zero and there is a carry resulting from adding the significands, which can occur if one or both values are pseudo-denormals (biased exponent zero, explicit integer bit 1). Add a check for that case, so making the results match those seen on x86 hardware for pseudo-denormals. Backports commit 41602807766e253ccb6fb761f3ff12767f786e2c from qemu		2020-05-15 23:56:24 -04:00
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softfloat-specialize.inc.c	fpu: rename softfloat-specialize.h -> .inc.c	2019-11-18 21:12:30 -05:00
softfloat.c	softfloat: fix floatx80 pseudo-denormal addition / subtraction	2020-05-15 23:56:24 -04:00