aboutsummaryrefslogtreecommitdiff
path: root/target
diff options
context:
space:
mode:
authorMatheus Ferst <matheus.ferst@eldorado.org.br>2022-03-05 07:16:47 +0100
committerCédric Le Goater <clg@kaod.org>2022-03-05 07:16:47 +0100
commit9f264141ec13b69ecaa569190121da4098ec8647 (patch)
tree18c110c7285239449edc7d2acc1b976aaf5186ce /target
parent0241ccb163b65ab568b667884bb99774b7c6fb42 (diff)
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')
-rw-r--r--target/ppc/translate/vmx-impl.c.inc10
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 c5d02d13fe..8ea1d2c96a 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);