Fold the condition into the branch or movcond when possible. Signed-off-by: Richard Henderson <richard.hender...@linaro.org> --- target/sparc/translate.c | 32 +++++++++++++------------------- 1 file changed, 13 insertions(+), 19 deletions(-)
diff --git a/target/sparc/translate.c b/target/sparc/translate.c index ee8c0450aa..5cea835b28 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -2855,14 +2855,15 @@ static bool advance_jump_uncond_always(DisasContext *dc, bool annul, return true; } -static bool advance_jump_cond(DisasContext *dc, bool annul, target_ulong dest) +static bool advance_jump_cond(DisasContext *dc, DisasCompare *cmp, + bool annul, target_ulong dest) { target_ulong npc = dc->npc; if (annul) { TCGLabel *l1 = gen_new_label(); - tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_cond, 0, l1); + tcg_gen_brcond_tl(tcg_invert_cond(cmp->cond), cmp->c1, cmp->c2, l1); gen_goto_tb(dc, 0, npc, dest); gen_set_label(l1); gen_goto_tb(dc, 1, npc + 4, npc + 8); @@ -2875,8 +2876,8 @@ static bool advance_jump_cond(DisasContext *dc, bool annul, target_ulong dest) case DYNAMIC_PC_LOOKUP: tcg_gen_mov_tl(cpu_pc, cpu_npc); tcg_gen_addi_tl(cpu_npc, cpu_npc, 4); - tcg_gen_movcond_tl(TCG_COND_NE, cpu_npc, - cpu_cond, tcg_constant_tl(0), + tcg_gen_movcond_tl(cmp->cond, cpu_npc, + cmp->c1, cmp->c2, tcg_constant_tl(dest), cpu_npc); dc->pc = npc; break; @@ -2888,6 +2889,11 @@ static bool advance_jump_cond(DisasContext *dc, bool annul, target_ulong dest) dc->jump_pc[0] = dest; dc->jump_pc[1] = npc + 4; dc->npc = JUMP_PC; + if (cmp->is_bool) { + tcg_gen_mov_tl(cpu_cond, cmp->c1); + } else { + tcg_gen_setcond_tl(cmp->cond, cpu_cond, cmp->c1, cmp->c2); + } } } return true; @@ -2910,12 +2916,7 @@ static bool do_bpcc(DisasContext *dc, arg_bcc *a) flush_cond(dc); gen_compare(&cmp, a->cc, a->cond, dc); - if (cmp.is_bool) { - tcg_gen_mov_tl(cpu_cond, cmp.c1); - } else { - tcg_gen_setcond_tl(cmp.cond, cpu_cond, cmp.c1, cmp.c2); - } - return advance_jump_cond(dc, a->a, target); + return advance_jump_cond(dc, &cmp, a->a, target); } } @@ -2942,12 +2943,7 @@ static bool do_fbpfcc(DisasContext *dc, arg_bcc *a) flush_cond(dc); gen_fcompare(&cmp, a->cc, a->cond); - if (cmp.is_bool) { - tcg_gen_mov_tl(cpu_cond, cmp.c1); - } else { - tcg_gen_setcond_tl(cmp.cond, cpu_cond, cmp.c1, cmp.c2); - } - return advance_jump_cond(dc, a->a, target); + return advance_jump_cond(dc, &cmp, a->a, target); } } @@ -2974,9 +2970,7 @@ static bool trans_BPr(DisasContext *dc, arg_BPr *a) flush_cond(dc); gen_compare_reg(&cmp, a->cond, gen_load_gpr(dc, a->rs1)); - tcg_gen_setcond_tl(cmp.cond, cpu_cond, cmp.c1, cmp.c2); - - return advance_jump_cond(dc, a->a, target); + return advance_jump_cond(dc, &cmp, a->a, target); } static bool trans_CALL(DisasContext *dc, arg_CALL *a) -- 2.34.1