From 9f264141ec13b69ecaa569190121da4098ec8647 Mon Sep 17 00:00:00 2001 From: Matheus Ferst Date: Sat, 5 Mar 2022 07:16:47 +0100 Subject: [PATCH] target/ppc: use ext32u and deposit in do_vx_vmulhw_i64 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixes: 29e9dfcf755e ("target/ppc: vmulh* instructions without helpers") Signed-off-by: Matheus Ferst Reviewed-by: Richard Henderson Message-Id: <20220304175156.2012315-3-matheus.ferst@eldorado.org.br> Signed-off-by: Cédric Le Goater --- target/ppc/translate/vmx-impl.c.inc | 10 +++------- 1 file 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);