| commit | b40eec96b26028b68c3594fbf34b6d6f029df26a | |
| author | Joseph Myers <joseph@codesourcery.com> | |
| Thu, 7 May 2020 00:44:57 +0000 (7 00:44 +0000) | ||
| committer | Paolo Bonzini <pbonzini@redhat.com> | |
| Wed, 10 Jun 2020 16:10:17 +0000 (10 12:10 -0400) | ||
| tree | 9d102ee76ffb044cc3fe3612d37e634c85cc3c05 | treesnapshot (tar.gz zip) |
| parent | 0d48b436327955c69e2eb53f88aba9aa1e0dbaa0 | commitdiff |
target/i386: fix fscale handling of invalid exponent encodings
The fscale implementation does not check for invalid encodings in the
exponent operand, thus treating them like INT_MIN (the value returned
for invalid encodings by floatx80_to_int32_round_to_zero). Fix it to
treat them similarly to signaling NaN exponents, thus generating a
quiet NaN result.
Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Message-Id: <alpine.DEB.2.21.2005070044190.18350@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The fscale implementation does not check for invalid encodings in the
exponent operand, thus treating them like INT_MIN (the value returned
for invalid encodings by floatx80_to_int32_round_to_zero). Fix it to
treat them similarly to signaling NaN exponents, thus generating a
quiet NaN result.
Signed-off-by: Joseph Myers <joseph@codesourcery.com>
Message-Id: <alpine.DEB.2.21.2005070044190.18350@digraph.polyomino.org.uk>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| target/i386/fpu_helper.c | diffblobblamehistory | |
| tests/tcg/i386/test-i386-fscale.c | diffblobblamehistory |