diff options
| author | Artyom Tarasenko <atar4qemu@gmail.com> | 2011-07-01 21:28:42 +0200 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-07-01 21:28:00 +0000 |
| commit | 8e91ed308062e742610e4cfdfd4a09bc045ead45 (patch) | |
| tree | 6ba976717f5e5750ce5b8e3868d9d641b0ff3bc9 /target-sparc | |
| parent | 3b88670664f7902000b83149e7fa1875ad5c6239 (diff) | |
fix cpu_cc_src and cpu_cc_src2 corruption in udivx and sdivx
udivx and sdvix don't modify condition flags, so they shall not
overwrite cpu_cc_*
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'target-sparc')
| -rw-r--r-- | target-sparc/translate.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/target-sparc/translate.c b/target-sparc/translate.c index 992cd77e72..f32a674f35 100644 --- a/target-sparc/translate.c +++ b/target-sparc/translate.c @@ -727,19 +727,24 @@ static inline void gen_trap_ifdivzero_tl(TCGv divisor) static inline void gen_op_sdivx(TCGv dst, TCGv src1, TCGv src2) { int l1, l2; + TCGv r_temp1, r_temp2; l1 = gen_new_label(); l2 = gen_new_label(); - tcg_gen_mov_tl(cpu_cc_src, src1); - tcg_gen_mov_tl(cpu_cc_src2, src2); - gen_trap_ifdivzero_tl(cpu_cc_src2); - tcg_gen_brcondi_tl(TCG_COND_NE, cpu_cc_src, INT64_MIN, l1); - tcg_gen_brcondi_tl(TCG_COND_NE, cpu_cc_src2, -1, l1); + r_temp1 = tcg_temp_local_new(); + r_temp2 = tcg_temp_local_new(); + tcg_gen_mov_tl(r_temp1, src1); + tcg_gen_mov_tl(r_temp2, src2); + gen_trap_ifdivzero_tl(r_temp2); + tcg_gen_brcondi_tl(TCG_COND_NE, r_temp1, INT64_MIN, l1); + tcg_gen_brcondi_tl(TCG_COND_NE, r_temp2, -1, l1); tcg_gen_movi_i64(dst, INT64_MIN); tcg_gen_br(l2); gen_set_label(l1); - tcg_gen_div_i64(dst, cpu_cc_src, cpu_cc_src2); + tcg_gen_div_i64(dst, r_temp1, r_temp2); gen_set_label(l2); + tcg_temp_free(r_temp1); + tcg_temp_free(r_temp2); } #endif @@ -3173,10 +3178,17 @@ static void disas_sparc_insn(DisasContext * dc) break; #ifdef TARGET_SPARC64 case 0xd: /* V9 udivx */ - tcg_gen_mov_tl(cpu_cc_src, cpu_src1); - tcg_gen_mov_tl(cpu_cc_src2, cpu_src2); - gen_trap_ifdivzero_tl(cpu_cc_src2); - tcg_gen_divu_i64(cpu_dst, cpu_cc_src, cpu_cc_src2); + { + TCGv r_temp1, r_temp2; + r_temp1 = tcg_temp_local_new(); + r_temp2 = tcg_temp_local_new(); + tcg_gen_mov_tl(r_temp1, cpu_src1); + tcg_gen_mov_tl(r_temp2, cpu_src2); + gen_trap_ifdivzero_tl(r_temp2); + tcg_gen_divu_i64(cpu_dst, r_temp1, r_temp2); + tcg_temp_free(r_temp1); + tcg_temp_free(r_temp2); + } break; #endif case 0xe: /* udiv */ |