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X-Received-From: 2a00:1450:4864:20::443 Subject: [Qemu-devel] [PATCH 1/2] target/ppc: Optimize xviexpdp() using deposit_i64() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Cave-Ayland , qemu-ppc@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) The t0 tcg_temp register is now unused, remove it. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- target/ppc/translate/vsx-impl.inc.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx= -impl.inc.c index e73197e717..48c58deb14 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -1726,7 +1726,6 @@ static void gen_xviexpdp(DisasContext *ctx) TCGv_i64 xal; TCGv_i64 xbh; TCGv_i64 xbl; - TCGv_i64 t0; =20 if (unlikely(!ctx->vsx_enabled)) { gen_exception(ctx, POWERPC_EXCP_VSXU); @@ -1742,20 +1741,13 @@ static void gen_xviexpdp(DisasContext *ctx) get_cpu_vsrl(xal, xA(ctx->opcode)); get_cpu_vsrh(xbh, xB(ctx->opcode)); get_cpu_vsrl(xbl, xB(ctx->opcode)); - t0 =3D tcg_temp_new_i64(); =20 - tcg_gen_andi_i64(xth, xah, 0x800FFFFFFFFFFFFF); - tcg_gen_andi_i64(t0, xbh, 0x7FF); - tcg_gen_shli_i64(t0, t0, 52); - tcg_gen_or_i64(xth, xth, t0); + tcg_gen_deposit_i64(xth, xah, xbh, 52, 11); set_cpu_vsrh(xT(ctx->opcode), xth); - tcg_gen_andi_i64(xtl, xal, 0x800FFFFFFFFFFFFF); - tcg_gen_andi_i64(t0, xbl, 0x7FF); - tcg_gen_shli_i64(t0, t0, 52); - tcg_gen_or_i64(xtl, xtl, t0); + + tcg_gen_deposit_i64(xtl, xal, xbl, 52, 11); set_cpu_vsrl(xT(ctx->opcode), xtl); =20 - tcg_temp_free_i64(t0); tcg_temp_free_i64(xth); tcg_temp_free_i64(xtl); tcg_temp_free_i64(xah); --=20 2.19.1