diff options
| author | Matheus Ferst <matheus.ferst@eldorado.org.br> | 2022-06-29 13:29:03 -0300 |
|---|---|---|
| committer | Daniel Henrique Barboza <danielhb413@gmail.com> | 2022-07-06 10:22:38 -0300 |
| commit | 38d3690bda3fe217ea72903859907916a5429c6e (patch) | |
| tree | a28e2139e1c66d39bcaef4b59547747359da0933 /target/ppc/translate | |
| parent | 6addef4d272684ba624c9fcaf66bc67e5fc4a93f (diff) | |
target/ppc: implement cbcdtd
Implements the Convert Binary Coded Decimal To Declets instruction.
Since libdecnumber doesn't expose the methods for direct conversion
(decDigitsToDPD, BCD2DPD, etc.), the BCD values are converted to
decimal32 format, from which the declets are extracted.
Where the behavior is undefined, we try to match the result observed in
a POWER9 DD2.3.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Message-Id: <20220629162904.105060-11-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'target/ppc/translate')
| -rw-r--r-- | target/ppc/translate/fixedpoint-impl.c.inc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/target/ppc/translate/fixedpoint-impl.c.inc b/target/ppc/translate/fixedpoint-impl.c.inc index 490e49cfc7..892c9d2568 100644 --- a/target/ppc/translate/fixedpoint-impl.c.inc +++ b/target/ppc/translate/fixedpoint-impl.c.inc @@ -529,3 +529,10 @@ static bool trans_ADDG6S(DisasContext *ctx, arg_X *a) return true; } + +static bool trans_CBCDTD(DisasContext *ctx, arg_X_sa *a) +{ + REQUIRE_INSNS_FLAGS2(ctx, BCDA_ISA206); + gen_helper_CBCDTD(cpu_gpr[a->ra], cpu_gpr[a->rs]); + return true; +} |