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target/ppc: use ext32u and deposit in do_vx_vmulhw_i64 

Fixes: 29e9dfcf75 ("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>
This commit is contained in:
Matheus Ferst 2022-03-05 07:16:47 +01:00 committed by Cédric Le Goater
parent 0241ccb163
commit 9f264141ec
1 changed files with 3 additions and 7 deletions
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10
target/ppc/translate/vmx-impl.c.inc
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@ -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);