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target/m68k: implement flog2

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Using a local m68k floatx80_log2()
[copied from previous:
Written by Andreas Grabher for Previous, NeXT Computer Emulator.]

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180305203910.10391-6-laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2018-03-05 21:39:07 +01:00
parent 248efb66fb
commit 67b453ed73
5 changed files with 77 additions and 0 deletions
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5
target/m68k/fpu_helper.c
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@ -572,3 +572,8 @@ void HELPER(flog10)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_log10(val->d, &env->fp_status);
}
void HELPER(flog2)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_log2(val->d, &env->fp_status);
}