diff options
Diffstat (limited to 'gcc/local-alloc.c')
| -rw-r--r-- | gcc/local-alloc.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c index 98b67700808..e7bbcdaa169 100644 --- a/gcc/local-alloc.c +++ b/gcc/local-alloc.c @@ -298,7 +298,6 @@ static int equiv_init_movable_p (rtx, int); static int contains_replace_regs (rtx); static int memref_referenced_p (rtx, rtx); static int memref_used_between_p (rtx, rtx, rtx); -static void update_equiv_regs (void); static void no_equiv (rtx, const_rtx, void *); static void block_alloc (int); static int qty_sugg_compare (int, int); @@ -795,9 +794,11 @@ memref_used_between_p (rtx memref, rtx start, rtx end) into the using insn. If it succeeds, we can eliminate the register completely. - Initialize the REG_EQUIV_INIT array of initializing insns. */ + Initialize the REG_EQUIV_INIT array of initializing insns. -static void + Return non-zero if jump label rebuilding should be done. */ + +int update_equiv_regs (void) { rtx insn; @@ -1183,6 +1184,8 @@ update_equiv_regs (void) new_insn = emit_insn_before (PATTERN (equiv_insn), insn); REG_NOTES (new_insn) = REG_NOTES (equiv_insn); REG_NOTES (equiv_insn) = 0; + /* Rescan it to process the notes. */ + df_insn_rescan (new_insn); /* Make sure this insn is recognized before reload begins, otherwise @@ -1227,6 +1230,7 @@ update_equiv_regs (void) end_alias_analysis (); free (reg_equiv); + return recorded_label_ref; } /* Mark REG as having no known equivalence. @@ -2442,6 +2446,12 @@ find_stack_regs (void) } #endif +static bool +gate_handle_local_alloc (void) +{ + return ! flag_ira; +} + /* Run old register allocator. Return TRUE if we must exit rest_of_compilation upon return. */ static unsigned int @@ -2517,7 +2527,7 @@ struct rtl_opt_pass pass_local_alloc = { RTL_PASS, "lreg", /* name */ - NULL, /* gate */ + gate_handle_local_alloc, /* gate */ rest_of_handle_local_alloc, /* execute */ NULL, /* sub */ NULL, /* next */ |