diff options
Diffstat (limited to 'gcc/function.c')
| -rw-r--r-- | gcc/function.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/gcc/function.c b/gcc/function.c index 074252c..6fb5368 100644 --- a/gcc/function.c +++ b/gcc/function.c @@ -1341,11 +1341,11 @@ put_reg_into_stack (function, reg, type, promoted_mode, decl_mode, volatile_p, new = assign_stack_local (decl_mode, GET_MODE_SIZE (decl_mode), 0); } + PUT_CODE (reg, MEM); PUT_MODE (reg, decl_mode); XEXP (reg, 0) = XEXP (new, 0); /* `volatil' bit means one thing for MEMs, another entirely for REGs. */ MEM_VOLATILE_P (reg) = volatile_p; - PUT_CODE (reg, MEM); /* If this is a memory ref that contains aggregate components, mark it as such for cse and loop optimize. If we are reusing a @@ -1495,6 +1495,9 @@ fixup_var_refs_insns (var, promoted_mode, unsignedp, insn, toplevel, ht) if (GET_RTX_CLASS (GET_CODE (insn)) == 'i') { + /* Remember the notes in case we delete the insn. */ + note = REG_NOTES (insn); + /* If this is a CLOBBER of VAR, delete it. If it has a REG_LIBCALL note, delete the REG_LIBCALL @@ -1653,10 +1656,13 @@ fixup_var_refs_insns (var, promoted_mode, unsignedp, insn, toplevel, ht) /* Also fix up any invalid exprs in the REG_NOTES of this insn. But don't touch other insns referred to by reg-notes; we will get them elsewhere. */ - for (note = REG_NOTES (insn); note; note = XEXP (note, 1)) - if (GET_CODE (note) != INSN_LIST) - XEXP (note, 0) - = walk_fixup_memory_subreg (XEXP (note, 0), insn, 1); + while (note) + { + if (GET_CODE (note) != INSN_LIST) + XEXP (note, 0) + = walk_fixup_memory_subreg (XEXP (note, 0), insn, 1); + note = XEXP (note, 1); + } } if (!ht) @@ -2631,9 +2637,9 @@ gen_mem_addressof (reg, decl) address is being taken. */ REG_USERVAR_P (XEXP (r, 0)) = REG_USERVAR_P (reg); - XEXP (reg, 0) = r; PUT_CODE (reg, MEM); PUT_MODE (reg, DECL_MODE (decl)); + XEXP (reg, 0) = r; MEM_VOLATILE_P (reg) = TREE_SIDE_EFFECTS (decl); MEM_SET_IN_STRUCT_P (reg, AGGREGATE_TYPE_P (type)); MEM_ALIAS_SET (reg) = get_alias_set (decl); |