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| author | Matheus Ferst <matheus.ferst@eldorado.org.br> | 2022-03-05 07:16:47 +0100 |
|---|---|---|
| committer | Cédric Le Goater <clg@kaod.org> | 2022-03-05 07:16:47 +0100 |
| commit | 9f264141ec13b69ecaa569190121da4098ec8647 (patch) | |
| tree | 18c110c7285239449edc7d2acc1b976aaf5186ce /target/ppc | |
| parent | 0241ccb163b65ab568b667884bb99774b7c6fb42 (diff) | |
| download | qemu-9f264141ec13b69ecaa569190121da4098ec8647.zip qemu-9f264141ec13b69ecaa569190121da4098ec8647.tar.gz qemu-9f264141ec13b69ecaa569190121da4098ec8647.tar.bz2 | |
target/ppc: use ext32u and deposit in do_vx_vmulhw_i64
Fixes: 29e9dfcf755e ("target/ppc: vmulh* instructions without helpers")
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220304175156.2012315-3-matheus.ferst@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'target/ppc')
| -rw-r--r-- | target/ppc/translate/vmx-impl.c.inc | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/target/ppc/translate/vmx-impl.c.inc b/target/ppc/translate/vmx-impl.c.inc index c5d02d1..8ea1d2c 100644 --- a/target/ppc/translate/vmx-impl.c.inc +++ b/target/ppc/translate/vmx-impl.c.inc @@ -3162,19 +3162,16 @@ static void do_vx_vmulhw_i64(TCGv_i64 t, TCGv_i64 a, TCGv_i64 b, bool sign) { TCGv_i64 hh, lh, temp; - uint64_t c; hh = tcg_temp_new_i64(); lh = tcg_temp_new_i64(); temp = tcg_temp_new_i64(); - c = 0xFFFFFFFF; - if (sign) { tcg_gen_ext32s_i64(lh, a); tcg_gen_ext32s_i64(temp, b); } else { - tcg_gen_andi_i64(lh, a, c); - tcg_gen_andi_i64(temp, b, c); + tcg_gen_ext32u_i64(lh, a); + tcg_gen_ext32u_i64(temp, b); } tcg_gen_mul_i64(lh, lh, temp); @@ -3188,8 +3185,7 @@ static void do_vx_vmulhw_i64(TCGv_i64 t, TCGv_i64 a, TCGv_i64 b, bool sign) tcg_gen_mul_i64(hh, hh, temp); tcg_gen_shri_i64(lh, lh, 32); - tcg_gen_andi_i64(hh, hh, c << 32); - tcg_gen_or_i64(t, hh, lh); + tcg_gen_deposit_i64(t, hh, lh, 0, 32); tcg_temp_free_i64(hh); tcg_temp_free_i64(lh); |