diff options
| author | Richard Henderson <rth@twiddle.net> | 2012-10-16 19:32:19 +1000 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2012-10-20 07:56:06 +0000 |
| commit | 5e6ed43923830b09989a9a2fa2255dadadee67f2 (patch) | |
| tree | 12c8b6e618f041aca4815cb3754f380706b69d6a | |
| parent | a4273524875a960e8ef22ed676853e5988fefbea (diff) | |
| download | qemu-5e6ed43923830b09989a9a2fa2255dadadee67f2.zip qemu-5e6ed43923830b09989a9a2fa2255dadadee67f2.tar.gz qemu-5e6ed43923830b09989a9a2fa2255dadadee67f2.tar.bz2 | |
target-sparc: Make the cpu_addr variable local to load/store handling
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
| -rw-r--r-- | target-sparc/translate.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/target-sparc/translate.c b/target-sparc/translate.c index 2a95c1f..e3e4256 100644 --- a/target-sparc/translate.c +++ b/target-sparc/translate.c @@ -48,7 +48,7 @@ static TCGv cpu_y; #ifndef CONFIG_USER_ONLY static TCGv cpu_tbr; #endif -static TCGv cpu_cond, cpu_dst, cpu_addr; +static TCGv cpu_cond, cpu_dst; #ifdef TARGET_SPARC64 static TCGv_i32 cpu_xcc, cpu_asi, cpu_fprs; static TCGv cpu_gsr; @@ -4596,20 +4596,22 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn) case 3: /* load/store instructions */ { unsigned int xop = GET_FIELD(insn, 7, 12); + /* ??? gen_address_mask prevents us from using a source + register directly. Always generate a temporary. */ + TCGv cpu_addr = get_temp_tl(dc); - cpu_src1 = get_src1(dc, insn); - if (xop == 0x3c || xop == 0x3e) { // V9 casa/casxa - tcg_gen_mov_tl(cpu_addr, cpu_src1); + tcg_gen_mov_tl(cpu_addr, get_src1(dc, insn)); + if (xop == 0x3c || xop == 0x3e) { + /* V9 casa/casxa : no offset */ } else if (IS_IMM) { /* immediate */ simm = GET_FIELDs(insn, 19, 31); - tcg_gen_addi_tl(cpu_addr, cpu_src1, simm); + if (simm != 0) { + tcg_gen_addi_tl(cpu_addr, cpu_addr, simm); + } } else { /* register */ rs2 = GET_FIELD(insn, 27, 31); if (rs2 != 0) { - cpu_src2 = gen_load_gpr(dc, rs2); - tcg_gen_add_tl(cpu_addr, cpu_src1, cpu_src2); - } else { - tcg_gen_mov_tl(cpu_addr, cpu_src1); + tcg_gen_add_tl(cpu_addr, cpu_addr, gen_load_gpr(dc, rs2)); } } if (xop < 4 || (xop > 7 && xop < 0x14 && xop != 0x0e) || @@ -5251,12 +5253,10 @@ static inline void gen_intermediate_code_internal(TranslationBlock * tb, cpu_tmp32 = tcg_temp_new_i32(); cpu_tmp64 = tcg_temp_new_i64(); cpu_dst = tcg_temp_new(); - cpu_addr = tcg_temp_new(); disas_sparc_insn(dc, insn); num_insns++; - tcg_temp_free(cpu_addr); tcg_temp_free(cpu_dst); tcg_temp_free_i64(cpu_tmp64); tcg_temp_free_i32(cpu_tmp32); |