Techwizz/kernel-fxtec-pro1x
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alpha: fix conversion from denormal float to double

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The trap handler does properly update the fraction,
but not the exponent...

Thanks to Paolo Bonzini for the bug report and the testcase.

Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Paolo Bonzini <bonzini@gnu.org>
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ivan Kokshaysky 2008-01-17 15:21:13 -08:00 committed by Linus Torvalds
parent f63dcda197
commit 6b2d2cec10
1 changed files with 1 additions and 1 deletions
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2
arch/alpha/math-emu/math.c
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@ -225,7 +225,7 @@ alpha_fp_emul (unsigned long pc)
FP_UNPACK_SP(SB, &vb);
DR_c = DB_c;
DR_s = DB_s;
DR_e = DB_e;
DR_e = DB_e + (1024 - 128);
DR_f = SB_f << (52 - 23);
goto pack_d;
}