diff options
| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-11-10 21:42:04 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-11-10 21:42:04 +0000 |
| commit | cdf37bc1730b86278260925fa74f3949ed84af1b (patch) | |
| tree | 7b0c4d5780c7da1e20a8d73c2051cd1de97dda2e /gcc/local-alloc.c | |
| parent | 4234c724716893c7560ade9a38b740077b074683 (diff) | |
| download | gcc-cdf37bc1730b86278260925fa74f3949ed84af1b.tar.gz | |
* cse.c (cse_process_notes): Copy the propagated value.
* local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
in REG_EQUIV notes.
* gcse.c (try_replace_reg): Copy the replacement.
* i386.c (emit_i387_cw_initialization): Copy stored_mode
(assign_386_stack_local): Always return copied memory expression
* function.c (instantiate_virtual_regs_in_insn): Copy the operand
duplicates.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@118665 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/local-alloc.c')
| -rw-r--r-- | gcc/local-alloc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/local-alloc.c b/gcc/local-alloc.c index c103400b8ea..e6ff69e48a5 100644 --- a/gcc/local-alloc.c +++ b/gcc/local-alloc.c @@ -907,7 +907,7 @@ update_equiv_regs (void) REG_EQUAL note on the insn. Since this note would be redundant, there's no point creating it earlier than here. */ if (! note && ! rtx_varies_p (src, 0)) - note = set_unique_reg_note (insn, REG_EQUAL, src); + note = set_unique_reg_note (insn, REG_EQUAL, copy_rtx (src)); /* Don't bother considering a REG_EQUAL note containing an EXPR_LIST since it represents a function call */ @@ -953,7 +953,8 @@ update_equiv_regs (void) if (note == 0 && REG_BASIC_BLOCK (regno) >= 0 && MEM_P (SET_SRC (set)) && validate_equiv_mem (insn, dest, SET_SRC (set))) - REG_NOTES (insn) = note = gen_rtx_EXPR_LIST (REG_EQUIV, SET_SRC (set), + REG_NOTES (insn) = note = gen_rtx_EXPR_LIST (REG_EQUIV, + copy_rtx (SET_SRC (set)), REG_NOTES (insn)); if (note) @@ -1061,7 +1062,7 @@ update_equiv_regs (void) && ! memref_used_between_p (dest, init_insn, insn)) { REG_NOTES (init_insn) - = gen_rtx_EXPR_LIST (REG_EQUIV, dest, + = gen_rtx_EXPR_LIST (REG_EQUIV, copy_rtx (dest), REG_NOTES (init_insn)); /* This insn makes the equivalence, not the one initializing the register. */ |