diff options
Diffstat (limited to 'gcc/rtl-ssa/functions.cc')
| -rw-r--r-- | gcc/rtl-ssa/functions.cc | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/gcc/rtl-ssa/functions.cc b/gcc/rtl-ssa/functions.cc index 80821cd..257bc2b 100644 --- a/gcc/rtl-ssa/functions.cc +++ b/gcc/rtl-ssa/functions.cc @@ -26,6 +26,7 @@ #include "rtl.h" #include "df.h" #include "rtl-ssa.h" +#include "rtl-ssa/internals.h" #include "rtl-ssa/internals.inl" using namespace rtl_ssa; @@ -74,23 +75,6 @@ function_info::print (pretty_printer *pp) const } } -// Calculate m_potential_phi_regs. -void -function_info::calculate_potential_phi_regs () -{ - auto *lr_info = DF_LR_BB_INFO (ENTRY_BLOCK_PTR_FOR_FN (m_fn)); - for (unsigned int regno = 0; regno < m_num_regs; ++regno) - if (regno >= DF_REG_SIZE (DF) - // Exclude registers that have a single definition that dominates - // all uses. If the definition does not dominate all uses, - // the register will be exposed upwards to the entry block but - // will not be defined by the entry block. - || DF_REG_DEF_COUNT (regno) > 1 - || (!bitmap_bit_p (&lr_info->def, regno) - && bitmap_bit_p (&lr_info->out, regno))) - bitmap_set_bit (m_potential_phi_regs, regno); -} - // Initialize all member variables in preparation for (re)building // SSA form from scratch. void @@ -107,8 +91,6 @@ function_info::init_function_data () m_last_insn = nullptr; m_last_nondebug_insn = nullptr; m_free_phis = nullptr; - - calculate_potential_phi_regs (); } // The initial phase of the phi simplification process. The cumulative |