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Complete change to resolve pr90275.

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PR rtl-optimization/90275
	* cse.c (cse_insn): Delete no-op register moves too.
This commit is contained in:
Jeff Law 2020-03-18 16:07:28 -06:00
parent 3512dc0108
commit 529ea7d959
2 changed files with 5 additions and 1 deletions

5
gcc/ChangeLog

@ -1,3 +1,8 @@
2020-03-12 Richard Sandiford <richard.sandiford@arm.com>
PR rtl-optimization/90275
* cse.c (cse_insn): Delete no-op register moves too.
2020-03-18 Martin Sebor <msebor@redhat.com>
PR ipa/92799

1
gcc/cse.c

@ -5329,7 +5329,6 @@ cse_insn (rtx_insn *insn)
else if (n_sets == 1
&& !CALL_P (insn)
&& (MEM_P (trial) || REG_P (trial))
&& MEM_P (dest)
&& rtx_equal_p (trial, dest)
&& !side_effects_p (dest)
&& (cfun->can_delete_dead_exceptions