From 48d5c82bcc3cc1709038867e5ba99b7099155dcd Mon Sep 17 00:00:00 2001 From: blueswir1 Date: Sun, 16 Mar 2008 19:23:31 +0000 Subject: [PATCH] Use a TCG global for pc and npc git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4076 c046a42c-6fe2-441c-8c8c-71466251a162 --- target-sparc/translate.c | 35 +++++++++++++++++------------------ 1 file changed, 17 insertions(+), 18 deletions(-) diff --git a/target-sparc/translate.c b/target-sparc/translate.c index e819c6c..c24c48b 100644 --- a/target-sparc/translate.c +++ b/target-sparc/translate.c @@ -47,7 +47,7 @@ /* global register indexes */ static TCGv cpu_env, cpu_T[3], cpu_regwptr, cpu_cc_src, cpu_cc_src2, cpu_cc_dst; -static TCGv cpu_psr, cpu_fsr, cpu_gregs[8]; +static TCGv cpu_psr, cpu_fsr, cpu_pc, cpu_npc, cpu_gregs[8]; #ifdef TARGET_SPARC64 static TCGv cpu_xcc; #endif @@ -304,14 +304,12 @@ static inline void gen_op_xor_T1_T0(void) static inline void gen_jmp_im(target_ulong pc) { - tcg_gen_movi_tl(cpu_tmp0, pc); - tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, pc)); + tcg_gen_movi_tl(cpu_pc, pc); } static inline void gen_movl_npc_im(target_ulong npc) { - tcg_gen_movi_tl(cpu_tmp0, npc); - tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUState, npc)); + tcg_gen_movi_tl(cpu_npc, npc); } static inline void gen_goto_tb(DisasContext *s, int tb_num, @@ -1159,12 +1157,10 @@ static inline void gen_mov_pc_npc(DisasContext * dc) { if (dc->npc == JUMP_PC) { gen_generic_branch(dc->jump_pc[0], dc->jump_pc[1], cpu_T[2]); - tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, npc)); - tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, pc)); + tcg_gen_mov_tl(cpu_pc, cpu_npc); dc->pc = DYNAMIC_PC; } else if (dc->npc == DYNAMIC_PC) { - tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, npc)); - tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, pc)); + tcg_gen_mov_tl(cpu_pc, cpu_npc); dc->pc = DYNAMIC_PC; } else { dc->pc = dc->npc; @@ -1173,10 +1169,8 @@ static inline void gen_mov_pc_npc(DisasContext * dc) static inline void gen_op_next_insn(void) { - tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, npc)); - tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, pc)); - tcg_gen_addi_tl(cpu_tmp0, cpu_tmp0, 4); - tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, npc)); + tcg_gen_mov_tl(cpu_pc, cpu_npc); + tcg_gen_addi_tl(cpu_npc, cpu_npc, 4); } static inline void gen_cond(TCGv r_dst, unsigned int cc, unsigned int cond) @@ -1906,8 +1900,7 @@ static void disas_sparc_insn(DisasContext * dc) /*CALL*/ { target_long target = GET_FIELDs(insn, 2, 31) << 2; - tcg_gen_movi_tl(cpu_T[0], dc->pc); - gen_movl_T0_reg(15); + gen_movl_TN_reg(15, tcg_const_tl(dc->pc)); target += dc->pc; gen_mov_pc_npc(dc); dc->npc = target; @@ -3874,7 +3867,7 @@ static void disas_sparc_insn(DisasContext * dc) gen_op_restore(); gen_mov_pc_npc(dc); gen_op_check_align_T0_3(); - tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUSPARCState, npc)); + tcg_gen_mov_tl(cpu_npc, cpu_T[0]); dc->npc = DYNAMIC_PC; goto jmp_insn; #endif @@ -3904,7 +3897,7 @@ static void disas_sparc_insn(DisasContext * dc) } gen_mov_pc_npc(dc); gen_op_check_align_T0_3(); - tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUSPARCState, npc)); + tcg_gen_mov_tl(cpu_npc, cpu_T[0]); dc->npc = DYNAMIC_PC; } goto jmp_insn; @@ -3915,7 +3908,7 @@ static void disas_sparc_insn(DisasContext * dc) goto priv_insn; gen_mov_pc_npc(dc); gen_op_check_align_T0_3(); - tcg_gen_st_tl(cpu_T[0], cpu_env, offsetof(CPUSPARCState, npc)); + tcg_gen_mov_tl(cpu_npc, cpu_T[0]); dc->npc = DYNAMIC_PC; tcg_gen_helper_0_0(helper_rett); } @@ -4690,6 +4683,12 @@ CPUSPARCState *cpu_sparc_init(const char *cpu_model) cpu_fsr = tcg_global_mem_new(TCG_TYPE_TL, TCG_AREG0, offsetof(CPUState, fsr), "fsr"); + cpu_pc = tcg_global_mem_new(TCG_TYPE_TL, + TCG_AREG0, offsetof(CPUState, pc), + "pc"); + cpu_npc = tcg_global_mem_new(TCG_TYPE_TL, + TCG_AREG0, offsetof(CPUState, npc), + "npc"); for (i = 1; i < 8; i++) cpu_gregs[i] = tcg_global_mem_new(TCG_TYPE_TL, TCG_AREG0, offsetof(CPUState, gregs[i]), -- 2.7.4