From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KzrlU-00005d-71 for qemu-devel@nongnu.org; Tue, 11 Nov 2008 06:50:36 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KzrlT-000055-CS for qemu-devel@nongnu.org; Tue, 11 Nov 2008 06:50:35 -0500 Received: from [199.232.76.173] (port=38324 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KzrlT-000050-6y for qemu-devel@nongnu.org; Tue, 11 Nov 2008 06:50:35 -0500 Received: from savannah.gnu.org ([199.232.41.3]:41213 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 1KzrlS-0000E8-TF for qemu-devel@nongnu.org; Tue, 11 Nov 2008 06:50:35 -0500 Received: from cvs.savannah.gnu.org ([199.232.41.69]) by sv.gnu.org with esmtp (Exim 4.63) (envelope-from ) id 1KzrlS-0003z6-4Q for qemu-devel@nongnu.org; Tue, 11 Nov 2008 11:50:34 +0000 Received: from aurel32 by cvs.savannah.gnu.org with local (Exim 4.63) (envelope-from ) id 1KzrlR-0003yy-SM for qemu-devel@nongnu.org; Tue, 11 Nov 2008 11:50:34 +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: Tue, 11 Nov 2008 11:50:33 +0000 Subject: [Qemu-devel] [5682] 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: 5682 http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5682 Author: aurel32 Date: 2008-11-11 11:50:33 +0000 (Tue, 11 Nov 2008) Log Message: ----------- target-mips: optimize gen_farith() Optimize code generation in gen_farith(): - Temp variables are valid up to and *including* the brcond instruction. Use them instead of temp local variables. Signed-off-by: Aurelien Jarno Modified Paths: -------------- trunk/target-mips/translate.c Modified: trunk/target-mips/translate.c =================================================================== --- trunk/target-mips/translate.c 2008-11-11 11:50:25 UTC (rev 5681) +++ trunk/target-mips/translate.c 2008-11-11 11:50:33 UTC (rev 5682) @@ -6314,32 +6314,32 @@ case FOP(18, 16): { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_local_new(TCG_TYPE_TL); + TCGv t0 = tcg_temp_new(TCG_TYPE_TL); TCGv fp0 = tcg_temp_local_new(TCG_TYPE_I32); gen_load_gpr(t0, ft); tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); - tcg_temp_free(t0); gen_load_fpr32(fp0, fs); gen_store_fpr32(fp0, fd); tcg_temp_free(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_local_new(TCG_TYPE_TL); + TCGv t0 = tcg_temp_new(TCG_TYPE_TL); TCGv fp0 = tcg_temp_local_new(TCG_TYPE_I32); gen_load_gpr(t0, ft); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); - tcg_temp_free(t0); gen_load_fpr32(fp0, fs); gen_store_fpr32(fp0, fd); tcg_temp_free(fp0); gen_set_label(l1); + tcg_temp_free(t0); } opn = "movn.s"; break; @@ -6733,32 +6733,32 @@ case FOP(18, 17): { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_local_new(TCG_TYPE_TL); + TCGv t0 = tcg_temp_new(TCG_TYPE_TL); TCGv fp0 = tcg_temp_local_new(TCG_TYPE_I64); gen_load_gpr(t0, ft); tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); - tcg_temp_free(t0); gen_load_fpr64(ctx, fp0, fs); gen_store_fpr64(ctx, fp0, fd); tcg_temp_free(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_local_new(TCG_TYPE_TL); + TCGv t0 = tcg_temp_new(TCG_TYPE_TL); TCGv fp0 = tcg_temp_local_new(TCG_TYPE_I64); gen_load_gpr(t0, ft); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); - tcg_temp_free(t0); gen_load_fpr64(ctx, fp0, fs); gen_store_fpr64(ctx, fp0, fd); tcg_temp_free(fp0); gen_set_label(l1); + tcg_temp_free(t0); } opn = "movn.d"; break; @@ -7068,13 +7068,12 @@ check_cp1_64bitmode(ctx); { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_local_new(TCG_TYPE_TL); + TCGv t0 = tcg_temp_new(TCG_TYPE_TL); TCGv fp0 = tcg_temp_local_new(TCG_TYPE_I32); TCGv fph0 = tcg_temp_local_new(TCG_TYPE_I32); gen_load_gpr(t0, ft); tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); - tcg_temp_free(t0); gen_load_fpr32(fp0, fs); gen_load_fpr32h(fph0, fs); gen_store_fpr32(fp0, fd); @@ -7082,6 +7081,7 @@ tcg_temp_free(fp0); tcg_temp_free(fph0); gen_set_label(l1); + tcg_temp_free(t0); } opn = "movz.ps"; break; @@ -7089,13 +7089,12 @@ check_cp1_64bitmode(ctx); { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_local_new(TCG_TYPE_TL); + TCGv t0 = tcg_temp_new(TCG_TYPE_TL); TCGv fp0 = tcg_temp_local_new(TCG_TYPE_I32); TCGv fph0 = tcg_temp_local_new(TCG_TYPE_I32); gen_load_gpr(t0, ft); tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); - tcg_temp_free(t0); gen_load_fpr32(fp0, fs); gen_load_fpr32h(fph0, fs); gen_store_fpr32(fp0, fd); @@ -7103,6 +7102,7 @@ tcg_temp_free(fp0); tcg_temp_free(fph0); gen_set_label(l1); + tcg_temp_free(t0); } opn = "movn.ps"; break;