I've applied the obvious patch below to fix PR bootstrap/48282.
-Nathan
PR bootstrap/4828
Revert:
2011-03-24 Nathan Froyd <froy...@codesourcery.com>
* function.c (instantiate_virtual_regs): Use FOR_EACH_BB and
FOR_BB_INSNS_SAFE to iterate through insns. Re-indent.
(pass_instantiate_virtual_regs): Require PROP_cfglayout.
* passes.c (init_optimization_passes): Move
pass_instantiate_virtual_regs after pass_into_cfg_layout_mode.
Index: function.c
===================================================================
--- function.c (revision 171446)
+++ function.c (working copy)
@@ -1883,7 +1883,7 @@ instantiate_decls (tree fndecl)
static unsigned int
instantiate_virtual_regs (void)
{
- basic_block bb;
+ rtx insn;
/* Compute the offsets to use for this function. */
in_arg_offset = FIRST_PARM_OFFSET (current_function_decl);
@@ -1901,40 +1901,33 @@ instantiate_virtual_regs (void)
/* Scan through all the insns, instantiating every virtual register still
present. */
- FOR_EACH_BB (bb)
- {
- rtx insn, curr;
-
- FOR_BB_INSNS_SAFE (bb, insn, curr)
- {
- if (INSN_P (insn))
- {
- /* These patterns in the instruction stream can never be
recognized.
- Fortunately, they shouldn't contain virtual registers either.
*/
- if (GET_CODE (PATTERN (insn)) == USE
- || GET_CODE (PATTERN (insn)) == CLOBBER
- || GET_CODE (PATTERN (insn)) == ADDR_VEC
- || GET_CODE (PATTERN (insn)) == ADDR_DIFF_VEC
- || GET_CODE (PATTERN (insn)) == ASM_INPUT)
- continue;
- else if (DEBUG_INSN_P (insn))
- for_each_rtx (&INSN_VAR_LOCATION (insn),
- instantiate_virtual_regs_in_rtx, NULL);
- else
- instantiate_virtual_regs_in_insn (insn);
+ for (insn = get_insns (); insn; insn = NEXT_INSN (insn))
+ if (INSN_P (insn))
+ {
+ /* These patterns in the instruction stream can never be recognized.
+ Fortunately, they shouldn't contain virtual registers either. */
+ if (GET_CODE (PATTERN (insn)) == USE
+ || GET_CODE (PATTERN (insn)) == CLOBBER
+ || GET_CODE (PATTERN (insn)) == ADDR_VEC
+ || GET_CODE (PATTERN (insn)) == ADDR_DIFF_VEC
+ || GET_CODE (PATTERN (insn)) == ASM_INPUT)
+ continue;
+ else if (DEBUG_INSN_P (insn))
+ for_each_rtx (&INSN_VAR_LOCATION (insn),
+ instantiate_virtual_regs_in_rtx, NULL);
+ else
+ instantiate_virtual_regs_in_insn (insn);
- if (INSN_DELETED_P (insn))
- continue;
+ if (INSN_DELETED_P (insn))
+ continue;
- for_each_rtx (®_NOTES (insn), instantiate_virtual_regs_in_rtx,
NULL);
+ for_each_rtx (®_NOTES (insn), instantiate_virtual_regs_in_rtx, NULL);
- /* Instantiate any virtual registers in CALL_INSN_FUNCTION_USAGE.
*/
- if (CALL_P (insn))
- for_each_rtx (&CALL_INSN_FUNCTION_USAGE (insn),
- instantiate_virtual_regs_in_rtx, NULL);
- }
- }
- }
+ /* Instantiate any virtual registers in CALL_INSN_FUNCTION_USAGE. */
+ if (CALL_P (insn))
+ for_each_rtx (&CALL_INSN_FUNCTION_USAGE (insn),
+ instantiate_virtual_regs_in_rtx, NULL);
+ }
/* Instantiate the virtual registers in the DECLs for debugging purposes. */
instantiate_decls (current_function_decl);
@@ -1970,7 +1963,7 @@ struct rtl_opt_pass pass_instantiate_vir
NULL, /* next */
0, /* static_pass_number */
TV_NONE, /* tv_id */
- PROP_cfglayout, /* properties_required */
+ 0, /* properties_required */
0, /* properties_provided */
0, /* properties_destroyed */
0, /* todo_flags_start */
Index: passes.c
===================================================================
--- passes.c (revision 171446)
+++ passes.c (working copy)
@@ -956,8 +956,8 @@ init_optimization_passes (void)
NEXT_PASS (pass_rtl_eh);
NEXT_PASS (pass_initial_value_sets);
NEXT_PASS (pass_unshare_all_rtl);
- NEXT_PASS (pass_into_cfg_layout_mode);
NEXT_PASS (pass_instantiate_virtual_regs);
+ NEXT_PASS (pass_into_cfg_layout_mode);
NEXT_PASS (pass_jump2);
NEXT_PASS (pass_lower_subreg);
NEXT_PASS (pass_df_initialize_opt);
