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re PR rtl-optimization/54369 (delayed-branch pass removes too many instructions)

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PR rtl-optimization/54369
	* config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
	calling dbr_schedule.
	* config/sparc/sparc.c (sparc_reorg): Likewise.

From-SVN: r190858
This commit is contained in:
Eric Botcazou 2012-09-02 10:36:27 +00:00 committed by Eric Botcazou
parent 51ad44fd6b
commit eaf23fc3d5
3 changed files with 15 additions and 2 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2012-09-02 Eric Botcazou <ebotcazou@adacore.com>
PR rtl-optimization/54369
* config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
calling dbr_schedule.
* config/sparc/sparc.c (sparc_reorg): Likewise.
2012-09-01 Jakub Jelinek <jakub@redhat.com>
PR target/54436

5
gcc/config/mips/mips.c
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@ -15729,7 +15729,10 @@ mips_reorg (void)
}
if (optimize > 0 && flag_delayed_branch)
dbr_schedule (get_insns ());
{
cleanup_barriers ();
dbr_schedule (get_insns ());
}
mips_reorg_process_insns ();
if (!TARGET_MIPS16
&& TARGET_EXPLICIT_RELOCS

5
gcc/config/sparc/sparc.c
View File

@ -10691,7 +10691,10 @@ sparc_reorg (void)
/* We need to have the (essentially) final form of the insn stream in order
to properly detect the various hazards. Run delay slot scheduling. */
if (optimize > 0 && flag_delayed_branch)
dbr_schedule (get_insns ());
{
cleanup_barriers ();
dbr_schedule (get_insns ());
}
/* Now look for specific patterns in the insn stream. */
for (insn = get_insns (); insn; insn = next)