From a2589e5cf288971d66afd0d41f5eefb735419890 Mon Sep 17 00:00:00 2001 From: Blue Swirl Date: Tue, 26 Apr 2011 18:44:20 +0000 Subject: [PATCH] sparc64: fix wrpstate and wrtl on delay slot Use TCG local to work around TCG register flush due to a branch. Thanks to Artyom Tarasenko, Igor Kovalenko and Aurelien Jarno. Signed-off-by: Blue Swirl --- target-sparc/translate.c | 28 ++++++++++++++++++++-------- 1 file changed, 20 insertions(+), 8 deletions(-) diff --git a/target-sparc/translate.c b/target-sparc/translate.c index 3c958b26d6..9222cde160 100644 --- a/target-sparc/translate.c +++ b/target-sparc/translate.c @@ -3505,16 +3505,28 @@ static void disas_sparc_insn(DisasContext * dc) tcg_gen_mov_tl(cpu_tbr, cpu_tmp0); break; case 6: // pstate - save_state(dc, cpu_cond); - gen_helper_wrpstate(cpu_tmp0); - dc->npc = DYNAMIC_PC; + { + TCGv r_tmp = tcg_temp_local_new(); + + tcg_gen_mov_tl(r_tmp, cpu_tmp0); + save_state(dc, cpu_cond); + gen_helper_wrpstate(r_tmp); + tcg_temp_free(r_tmp); + dc->npc = DYNAMIC_PC; + } break; case 7: // tl - save_state(dc, cpu_cond); - tcg_gen_trunc_tl_i32(cpu_tmp32, cpu_tmp0); - tcg_gen_st_i32(cpu_tmp32, cpu_env, - offsetof(CPUSPARCState, tl)); - dc->npc = DYNAMIC_PC; + { + TCGv r_tmp = tcg_temp_local_new(); + + tcg_gen_mov_tl(r_tmp, cpu_tmp0); + save_state(dc, cpu_cond); + tcg_gen_trunc_tl_i32(cpu_tmp32, r_tmp); + tcg_temp_free(r_tmp); + tcg_gen_st_i32(cpu_tmp32, cpu_env, + offsetof(CPUSPARCState, tl)); + dc->npc = DYNAMIC_PC; + } break; case 8: // pil gen_helper_wrpil(cpu_tmp0); -- 2.11.4.GIT