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(parent: 0ac224f) | patch
(jump_optimize): In no-nop move deletion, don't test PRESERVE_DEATH_INFO_REGNO_P...
authorRichard Kenner <kenner@gcc.gnu.org>
Mon, 23 Sep 1996 20:07:01 +0000 (16:07 -0400)
committerRichard Kenner <kenner@gcc.gnu.org>
Mon, 23 Sep 1996 20:07:01 +0000 (16:07 -0400)
commit59df2b2b6ffe4a193824b8282eeba345495b7117
tree201b99f86621c98d238e435a747f58406946c781tree | snapshot
parent0ac224f875278acbee43e8afe1a869ab3318781ccommit | diff
(jump_optimize): In no-nop move deletion, don't test PRESERVE_DEATH_INFO_REGNO_P...

(jump_optimize): In no-nop move deletion, don't test
PRESERVE_DEATH_INFO_REGNO_P; instead test if optimization is performed.
Check for REG_UNUSED note on to-be deleted insn before searching for preceding
instruction to delete note from.
If PRESERVE_DEATH_INFO_REGNO_P is true for SREG, replace INSN with USE.

From-SVN: r12783
gcc/jump.c diff | blob | history
Domain: System / Toolchain;