diff options
| author | Bernd Schmidt <bernds@redhat.com> | 2016-11-07 17:03:55 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2016-11-07 17:03:55 +0000 |
| commit | 1581a12c3577a2d9048d47b0b7205df772c308db (patch) | |
| tree | e4c649d63cdbc46e4c05389eea601fa29f22b40a /gcc/emit-rtl.c | |
| parent | caa024ffce186dc6ce7ee8217d5d50d7f9a091e0 (diff) | |
| download | gcc-1581a12c3577a2d9048d47b0b7205df772c308db.zip gcc-1581a12c3577a2d9048d47b0b7205df772c308db.tar.gz gcc-1581a12c3577a2d9048d47b0b7205df772c308db.tar.bz2 | |
emit-rtl.c (emit_copy_of_insn_after): Duplicate notes in order.
* emit-rtl.c (emit_copy_of_insn_after): Duplicate notes in order.
* sel-sched-ir.c (create_copy_of_insn_rtx): Likewise.
* rtl.h (duplicate_reg_notes): Declare.
* rtlanal.c (duplicate_reg_note): New function.
From-SVN: r241913
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index e27587b..9ea0c8f 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -6168,17 +6168,19 @@ emit_copy_of_insn_after (rtx_insn *insn, rtx_insn *after) which may be duplicated by the basic block reordering code. */ RTX_FRAME_RELATED_P (new_rtx) = RTX_FRAME_RELATED_P (insn); + /* Locate the end of existing REG_NOTES in NEW_RTX. */ + rtx *ptail = ®_NOTES (new_rtx); + while (*ptail != NULL_RTX) + ptail = &XEXP (*ptail, 1); + /* Copy all REG_NOTES except REG_LABEL_OPERAND since mark_jump_label will make them. REG_LABEL_TARGETs are created there too, but are supposed to be sticky, so we copy them. */ for (link = REG_NOTES (insn); link; link = XEXP (link, 1)) if (REG_NOTE_KIND (link) != REG_LABEL_OPERAND) { - if (GET_CODE (link) == EXPR_LIST) - add_reg_note (new_rtx, REG_NOTE_KIND (link), - copy_insn_1 (XEXP (link, 0))); - else - add_shallow_copy_of_reg_note (new_rtx, link); + *ptail = duplicate_reg_note (link); + ptail = &XEXP (*ptail, 1); } INSN_CODE (new_rtx) = INSN_CODE (insn); |