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author | Kazu Hirata <kazu@cs.umass.edu> | 2003-07-01 01:15:07 +0000 |
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committer | Kazu Hirata <kazu@gcc.gnu.org> | 2003-07-01 01:15:07 +0000 |
commit | 6001794def1de775fa296fa60b8bf5630dc97736 (patch) | |
tree | 5598774dfea689770b311deffdc2ccd8112d6016 /gcc/combine.c | |
parent | 7d896ee96b213c6e77acd70f44bfb18d1a72c905 (diff) | |
download | gcc-6001794def1de775fa296fa60b8bf5630dc97736.zip gcc-6001794def1de775fa296fa60b8bf5630dc97736.tar.gz gcc-6001794def1de775fa296fa60b8bf5630dc97736.tar.bz2 |
combine.c (distribute_notes): Don't bother REG_WAS_0.
* combine.c (distribute_notes): Don't bother REG_WAS_0.
* cse.c (cse_insn): Likewise.
* final.c (final_scan_insn): Likewise.
* jump.c (duplicate_loop_exit_test): Likewise.
* rtl.c (reg_note_name): Remove REG_WAS_0.
* rtl.h (REG_WAS_0): Remove.
* unroll.c (final_reg_note_copy): Don't bother REG_WAS_0.
* config/avr/avr.c (output_movqi): Don't use reg_was_0.
(output_movhi): Likewise.
(output_movsisf): Likewise.
(reg_was_0): Remove.
* config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Don't use
REG_WAS_0.
(m68hc11_gen_movqi): Likewise.
* config/vax/vax-protos.h: Remove the prototype for
reg_was_0_p.
* config/vax/vax.c (follows_p): Remove.
(reg_was_0_p): Likewise.
* config/vax/vax.md (movsi): Don't use reg_was_0_p.
(movhi): Likewise.
(movqi): Likewise.
* doc/rtl.texi (REG_WAS_0): Remove.
From-SVN: r68753
Diffstat (limited to 'gcc/combine.c')
-rw-r--r-- | gcc/combine.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index 7b8fc9c..b0d21c0 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -12605,8 +12605,7 @@ distribute_notes (rtx notes, rtx from_insn, rtx i3, rtx i2) break; case REG_NONNEG: - case REG_WAS_0: - /* These notes say something about the value of a register prior + /* This note says something about the value of a register prior to the execution of an insn. It is too much trouble to see if the note is still correct in all situations. It is better to simply delete it. */ |