From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1LrfdI-0004jr-Rw for qemu-devel@nongnu.org; Wed, 08 Apr 2009 17:48:32 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1LrfdH-0004ih-Px for qemu-devel@nongnu.org; Wed, 08 Apr 2009 17:48:32 -0400 Received: from [199.232.76.173] (port=51497 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1LrfdH-0004iW-I4 for qemu-devel@nongnu.org; Wed, 08 Apr 2009 17:48:31 -0400 Received: from savannah.gnu.org ([199.232.41.3]:40143 helo=sv.gnu.org) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1LrfdG-0003tU-Nn for qemu-devel@nongnu.org; Wed, 08 Apr 2009 17:48:30 -0400 Received: from cvs.savannah.gnu.org ([199.232.41.69]) by sv.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1LrfdF-0002vm-5Z for qemu-devel@nongnu.org; Wed, 08 Apr 2009 21:48:29 +0000 Received: from aurel32 by cvs.savannah.gnu.org with local (Exim 4.69) (envelope-from ) id 1LrfdE-0002vd-JE for qemu-devel@nongnu.org; Wed, 08 Apr 2009 21:48:29 +0000 MIME-Version: 1.0 Errors-To: aurel32 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Aurelien Jarno Message-Id: Date: Wed, 08 Apr 2009 21:48:28 +0000 Subject: [Qemu-devel] [7046] target-mips: optimize gen_farith() Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Revision: 7046 http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=7046 Author: aurel32 Date: 2009-04-08 21:48:27 +0000 (Wed, 08 Apr 2009) Log Message: ----------- target-mips: optimize gen_farith() Signed-off-by: Aurelien Jarno Modified Paths: -------------- trunk/target-mips/translate.c Modified: trunk/target-mips/translate.c =================================================================== --- trunk/target-mips/translate.c 2009-04-08 21:48:18 UTC (rev 7045) +++ trunk/target-mips/translate.c 2009-04-08 21:48:27 UTC (rev 7046) @@ -6122,32 +6122,32 @@ case FOP(18, 16): { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_new(); - TCGv_i32 fp0 = tcg_temp_local_new_i32(); + TCGv_i32 fp0; - gen_load_gpr(t0, ft); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); + if (ft != 0) { + tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); + } + fp0 = tcg_temp_new_i32(); gen_load_fpr32(fp0, fs); gen_store_fpr32(fp0, fd); tcg_temp_free_i32(fp0); gen_set_label(l1); - tcg_temp_free(t0); } opn = "movz.s"; break; case FOP(19, 16): { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_new(); - TCGv_i32 fp0 = tcg_temp_local_new_i32(); + TCGv_i32 fp0; - gen_load_gpr(t0, ft); - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); - gen_load_fpr32(fp0, fs); - gen_store_fpr32(fp0, fd); - tcg_temp_free_i32(fp0); - gen_set_label(l1); - tcg_temp_free(t0); + if (ft != 0) { + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); + fp0 = tcg_temp_new_i32(); + gen_load_fpr32(fp0, fs); + gen_store_fpr32(fp0, fd); + tcg_temp_free_i32(fp0); + gen_set_label(l1); + } } opn = "movn.s"; break; @@ -6541,32 +6541,32 @@ case FOP(18, 17): { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_new(); - TCGv_i64 fp0 = tcg_temp_local_new_i64(); + TCGv_i64 fp0; - gen_load_gpr(t0, ft); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); + if (ft != 0) { + tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); + } + fp0 = tcg_temp_new_i64(); gen_load_fpr64(ctx, fp0, fs); gen_store_fpr64(ctx, fp0, fd); tcg_temp_free_i64(fp0); gen_set_label(l1); - tcg_temp_free(t0); } opn = "movz.d"; break; case FOP(19, 17): { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_new(); - TCGv_i64 fp0 = tcg_temp_local_new_i64(); + TCGv_i64 fp0; - gen_load_gpr(t0, ft); - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); - gen_load_fpr64(ctx, fp0, fs); - gen_store_fpr64(ctx, fp0, fd); - tcg_temp_free_i64(fp0); - gen_set_label(l1); - tcg_temp_free(t0); + if (ft != 0) { + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); + fp0 = tcg_temp_new_i64(); + gen_load_fpr64(ctx, fp0, fs); + gen_store_fpr64(ctx, fp0, fd); + tcg_temp_free_i64(fp0); + gen_set_label(l1); + } } opn = "movn.d"; break; @@ -6876,20 +6876,15 @@ check_cp1_64bitmode(ctx); { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_new(); - TCGv_i32 fp0 = tcg_temp_local_new_i32(); - TCGv_i32 fph0 = tcg_temp_local_new_i32(); + TCGv_i32 fp0; - gen_load_gpr(t0, ft); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); - gen_load_fpr32(fp0, fs); - gen_load_fpr32h(fph0, fs); - gen_store_fpr32(fp0, fd); - gen_store_fpr32h(fph0, fd); - tcg_temp_free_i32(fp0); - tcg_temp_free_i32(fph0); + if (ft != 0) + tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); + fp0 = tcg_temp_new_i64(); + gen_load_fpr64(ctx, fp0, fs); + gen_store_fpr64(ctx, fp0, fd); + tcg_temp_free_i64(fp0); gen_set_label(l1); - tcg_temp_free(t0); } opn = "movz.ps"; break; @@ -6897,20 +6892,16 @@ check_cp1_64bitmode(ctx); { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_new(); - TCGv_i32 fp0 = tcg_temp_local_new_i32(); - TCGv_i32 fph0 = tcg_temp_local_new_i32(); + TCGv_i32 fp0; - gen_load_gpr(t0, ft); - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); - gen_load_fpr32(fp0, fs); - gen_load_fpr32h(fph0, fs); - gen_store_fpr32(fp0, fd); - gen_store_fpr32h(fph0, fd); - tcg_temp_free_i32(fp0); - tcg_temp_free_i32(fph0); - gen_set_label(l1); - tcg_temp_free(t0); + if (ft != 0) { + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); + fp0 = tcg_temp_new_i64(); + gen_load_fpr64(ctx, fp0, fs); + gen_store_fpr64(ctx, fp0, fd); + tcg_temp_free_i64(fp0); + gen_set_label(l1); + } } opn = "movn.ps"; break;