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authorKazu Hirata <kazu@cs.umass.edu>2003-07-01 01:15:07 +0000
committerKazu Hirata <kazu@gcc.gnu.org>2003-07-01 01:15:07 +0000
commit6001794def1de775fa296fa60b8bf5630dc97736 (patch)
tree5598774dfea689770b311deffdc2ccd8112d6016 /gcc/final.c
parent7d896ee96b213c6e77acd70f44bfb18d1a72c905 (diff)
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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/final.c')
-rw-r--r--gcc/final.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/gcc/final.c b/gcc/final.c
index a86249f..5ce81af 100644
--- a/gcc/final.c
+++ b/gcc/final.c
@@ -2503,9 +2503,9 @@ final_scan_insn (insn, file, optimize, prescan, nopeepholes)
#endif
#if 0
- /* It's not at all clear why we did this and doing so interferes
- with tests we'd like to do to use REG_WAS_0 notes, so let's try
- with this out. */
+ /* It's not at all clear why we did this and doing so used to
+ interfere with tests that used REG_WAS_0 notes, which are
+ now gone, so let's try with this out. */
/* Mark this insn as having been output. */
INSN_DELETED_P (insn) = 1;