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Richard Henderson 3e934b99c8 softfloat: Fix BAD_SHIFT from normalizeFloatx80Subnormal 
All other calls to normalize*Subnormal detect zero input before
the call -- this is the only outlier. This case can happen with
+0.0 + +0.0 = +0.0 or -0.0 + -0.0 = -0.0, so return a zero of
the correct sign.

Reported-by: Coverity (CID 1421991)

Backports commit 2f311075b7a74124098effc72290767b02869561 from qemu
2020-04-30 07:22:57 -04:00
..
softfloat-specialize.inc.c fpu: rename softfloat-specialize.h -> .inc.c 2019-11-18 21:12:30 -05:00
softfloat.c softfloat: Fix BAD_SHIFT from normalizeFloatx80Subnormal 2020-04-30 07:22:57 -04:00