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target/m68k: implement fsincos

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using floatx80_sin() and floatx80_cos()

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20180312202728.23790-5-laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2018-03-12 21:27:21 +01:00
parent 68d0ed3786
commit 47446c9ce3
3 changed files with 20 additions and 0 deletions
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11
target/m68k/fpu_helper.c
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@ -607,3 +607,14 @@ void HELPER(fcos)(CPUM68KState *env, FPReg *res, FPReg *val)
{
res->d = floatx80_cos(val->d, &env->fp_status);
}
void HELPER(fsincos)(CPUM68KState *env, FPReg *res0, FPReg *res1, FPReg *val)
{
floatx80 a = val->d;
/* If res0 and res1 specify the same floating-point data register,
* the sine result is stored in the register, and the cosine
* result is discarded.
*/
res1->d = floatx80_cos(a, &env->fp_status);
res0->d = floatx80_sin(a, &env->fp_status);
}