From 653ccb8099e0f87960dc363bf2d875edf0676e8b Mon Sep 17 00:00:00 2001 From: blueswir1 Date: Sun, 4 May 2008 08:06:33 +0000 Subject: [PATCH] Avoid some brconds git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4318 c046a42c-6fe2-441c-8c8c-71466251a162 --- target-sparc/translate.c | 36 ++++++++++++------------------------ 1 file changed, 12 insertions(+), 24 deletions(-) diff --git a/target-sparc/translate.c b/target-sparc/translate.c index 959b606a17..93a517f484 100644 --- a/target-sparc/translate.c +++ b/target-sparc/translate.c @@ -379,9 +379,6 @@ static inline void gen_cc_C_add_xcc(TCGv dst, TCGv src1) static inline void gen_cc_V_add_icc(TCGv dst, TCGv src1, TCGv src2) { TCGv r_temp; - int l1; - - l1 = gen_new_label(); r_temp = tcg_temp_new(TCG_TYPE_TL); tcg_gen_xor_tl(r_temp, src1, src2); @@ -389,18 +386,15 @@ static inline void gen_cc_V_add_icc(TCGv dst, TCGv src1, TCGv src2) tcg_gen_xor_tl(cpu_tmp0, src1, dst); tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0); tcg_gen_andi_tl(r_temp, r_temp, (1 << 31)); - tcg_gen_brcond_tl(TCG_COND_EQ, r_temp, tcg_const_tl(0), l1); - tcg_gen_ori_i32(cpu_psr, cpu_psr, PSR_OVF); - gen_set_label(l1); + tcg_gen_shri_tl(r_temp, r_temp, 31 - PSR_OVF_SHIFT); + tcg_gen_trunc_tl_i32(cpu_tmp32, r_temp); + tcg_gen_or_i32(cpu_psr, cpu_psr, cpu_tmp32); } #ifdef TARGET_SPARC64 static inline void gen_cc_V_add_xcc(TCGv dst, TCGv src1, TCGv src2) { TCGv r_temp; - int l1; - - l1 = gen_new_label(); r_temp = tcg_temp_new(TCG_TYPE_TL); tcg_gen_xor_tl(r_temp, src1, src2); @@ -408,9 +402,9 @@ static inline void gen_cc_V_add_xcc(TCGv dst, TCGv src1, TCGv src2) tcg_gen_xor_tl(cpu_tmp0, src1, dst); tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0); tcg_gen_andi_tl(r_temp, r_temp, (1ULL << 63)); - tcg_gen_brcond_tl(TCG_COND_EQ, r_temp, tcg_const_tl(0), l1); - tcg_gen_ori_i32(cpu_xcc, cpu_xcc, PSR_OVF); - gen_set_label(l1); + tcg_gen_shri_tl(r_temp, r_temp, 63 - PSR_OVF_SHIFT); + tcg_gen_trunc_tl_i32(cpu_tmp32, r_temp); + tcg_gen_or_i32(cpu_xcc, cpu_xcc, cpu_tmp32); } #endif @@ -570,36 +564,30 @@ static inline void gen_cc_C_sub_xcc(TCGv src1, TCGv src2) static inline void gen_cc_V_sub_icc(TCGv dst, TCGv src1, TCGv src2) { TCGv r_temp; - int l1; - - l1 = gen_new_label(); r_temp = tcg_temp_new(TCG_TYPE_TL); tcg_gen_xor_tl(r_temp, src1, src2); tcg_gen_xor_tl(cpu_tmp0, src1, dst); tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0); tcg_gen_andi_tl(r_temp, r_temp, (1 << 31)); - tcg_gen_brcond_tl(TCG_COND_EQ, r_temp, tcg_const_tl(0), l1); - tcg_gen_ori_i32(cpu_psr, cpu_psr, PSR_OVF); - gen_set_label(l1); + tcg_gen_shri_tl(r_temp, r_temp, 31 - PSR_OVF_SHIFT); + tcg_gen_trunc_tl_i32(cpu_tmp32, r_temp); + tcg_gen_or_i32(cpu_psr, cpu_psr, cpu_tmp32); } #ifdef TARGET_SPARC64 static inline void gen_cc_V_sub_xcc(TCGv dst, TCGv src1, TCGv src2) { TCGv r_temp; - int l1; - - l1 = gen_new_label(); r_temp = tcg_temp_new(TCG_TYPE_TL); tcg_gen_xor_tl(r_temp, src1, src2); tcg_gen_xor_tl(cpu_tmp0, src1, dst); tcg_gen_and_tl(r_temp, r_temp, cpu_tmp0); tcg_gen_andi_tl(r_temp, r_temp, (1ULL << 63)); - tcg_gen_brcond_tl(TCG_COND_EQ, r_temp, tcg_const_tl(0), l1); - tcg_gen_ori_i32(cpu_xcc, cpu_xcc, PSR_OVF); - gen_set_label(l1); + tcg_gen_shri_tl(r_temp, r_temp, 63 - PSR_OVF_SHIFT); + tcg_gen_trunc_tl_i32(cpu_tmp32, r_temp); + tcg_gen_or_i32(cpu_xcc, cpu_xcc, cpu_tmp32); } #endif -- GitLab