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| author | Matheus Ferst <matheus.ferst@eldorado.org.br> | 2022-05-17 09:39:22 -0300 |
|---|---|---|
| committer | Daniel Henrique Barboza <danielhb413@gmail.com> | 2022-05-26 17:11:32 -0300 |
| commit | eb69a84bb07be94179eb2275cd9d4bed12afc66f (patch) | |
| tree | a63be40c9e01bc81ea797195bf5944d383b366eb /target/ppc/translate/fp-impl.c.inc | |
| parent | f2454bfe73d1ae9e7561fc3c29e0d2729381d27c (diff) | |
| download | qemu-eb69a84bb07be94179eb2275cd9d4bed12afc66f.zip qemu-eb69a84bb07be94179eb2275cd9d4bed12afc66f.tar.gz qemu-eb69a84bb07be94179eb2275cd9d4bed12afc66f.tar.bz2 | |
target/ppc: Use TCG_CALL_NO_RWG_SE in fsel helper
fsel doesn't change FPSCR and CR1 is handled by gen_set_cr1_from_fpscr,
so helper_fsel doesn't need the env argument and can be declared with
TCG_CALL_NO_RWG_SE. We also take this opportunity to move the insn to
decodetree.
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220517123929.284511-6-matheus.ferst@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'target/ppc/translate/fp-impl.c.inc')
| -rw-r--r-- | target/ppc/translate/fp-impl.c.inc | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/target/ppc/translate/fp-impl.c.inc b/target/ppc/translate/fp-impl.c.inc index cfb27bd..f9b58b8 100644 --- a/target/ppc/translate/fp-impl.c.inc +++ b/target/ppc/translate/fp-impl.c.inc @@ -222,8 +222,34 @@ static void gen_frsqrtes(DisasContext *ctx) tcg_temp_free_i64(t1); } -/* fsel */ -_GEN_FLOAT_ACB(sel, 0x3F, 0x17, 0, PPC_FLOAT_FSEL); +static bool trans_FSEL(DisasContext *ctx, arg_A *a) +{ + TCGv_i64 t0, t1, t2; + + REQUIRE_INSNS_FLAGS(ctx, FLOAT_FSEL); + REQUIRE_FPU(ctx); + + t0 = tcg_temp_new_i64(); + t1 = tcg_temp_new_i64(); + t2 = tcg_temp_new_i64(); + + get_fpr(t0, a->fra); + get_fpr(t1, a->frb); + get_fpr(t2, a->frc); + + gen_helper_FSEL(t0, t0, t1, t2); + set_fpr(a->frt, t0); + if (a->rc) { + gen_set_cr1_from_fpscr(ctx); + } + + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(t2); + + return true; +} + /* fsub - fsubs */ GEN_FLOAT_AB(sub, 0x14, 0x000007C0, 1, PPC_FLOAT); /* Optional: */ |