diff options
| -rw-r--r-- | gcc/config/i386/i386-features.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/gcc/config/i386/i386-features.c b/gcc/config/i386/i386-features.c index ef4f940..c845ba9 100644 --- a/gcc/config/i386/i386-features.c +++ b/gcc/config/i386/i386-features.c @@ -2272,6 +2272,9 @@ remove_partial_avx_dependency (void) auto_vec<rtx_insn *> control_flow_insns; + /* We create invalid RTL initially so defer rescans. */ + df_set_flags (DF_DEFER_INSN_RESCAN); + FOR_EACH_BB_FN (bb, cfun) { FOR_BB_INSNS (bb, insn) @@ -2292,14 +2295,7 @@ remove_partial_avx_dependency (void) continue; if (!v4sf_const0) - { - calculate_dominance_info (CDI_DOMINATORS); - df_set_flags (DF_DEFER_INSN_RESCAN); - df_chain_add_problem (DF_DU_CHAIN | DF_UD_CHAIN); - df_md_add_problem (); - df_analyze (); - v4sf_const0 = gen_reg_rtx (V4SFmode); - } + v4sf_const0 = gen_reg_rtx (V4SFmode); /* Convert PARTIAL_XMM_UPDATE_TRUE insns, DF -> SF, SF -> DF, SI -> SF, SI -> DF, DI -> SF, DI -> DF, to vec_dup and @@ -2360,6 +2356,7 @@ remove_partial_avx_dependency (void) { /* (Re-)discover loops so that bb->loop_father can be used in the analysis below. */ + calculate_dominance_info (CDI_DOMINATORS); loop_optimizer_init (AVOID_CFG_MODIFICATIONS); /* Generate a vxorps at entry of the nearest dominator for basic @@ -2391,7 +2388,6 @@ remove_partial_avx_dependency (void) set_insn = emit_insn_after (set, insn ? PREV_INSN (insn) : BB_END (bb)); df_insn_rescan (set_insn); - df_process_deferred_rescans (); loop_optimizer_finalize (); if (!control_flow_insns.is_empty ()) @@ -2412,6 +2408,7 @@ remove_partial_avx_dependency (void) } } + df_process_deferred_rescans (); bitmap_obstack_release (NULL); BITMAP_FREE (convert_bbs); @@ -2441,7 +2438,7 @@ const pass_data pass_data_remove_partial_avx_dependency = 0, /* properties_provided */ 0, /* properties_destroyed */ 0, /* todo_flags_start */ - TODO_df_finish, /* todo_flags_finish */ + 0, /* todo_flags_finish */ }; class pass_remove_partial_avx_dependency : public rtl_opt_pass |