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Fix a variety of testsuite failures on the H8 after recent cselib changes

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PR rtl-optimization/92264
	* config/h8300/h8300.md (mov;add peephole2): Avoid applying when
	the destination is the stack pointer.
This commit is contained in:
Jeff Law 2020-04-07 17:55:00 -06:00
parent 31449cf8e1
commit 14162197fd
2 changed files with 7 additions and 0 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2020-04-07 Jeff Law <law@redhat.com>
PR rtl-optimization/92264
* config/h8300/h8300.md (mov;add peephole2): Avoid applying when
the destination is the stack pointer.
2020-04-07 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/94291

1
gcc/config/h8300/h8300.md
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@ -4299,6 +4299,7 @@
(plus:SI (match_dup 0)
(match_operand:SI 2 "const_int_operand" "")))]
"(TARGET_H8300H || TARGET_H8300S)
&& operands[0] != stack_pointer_rtx
&& REG_P (operands[0]) && REG_P (operands[1])
&& REGNO (operands[0]) != REGNO (operands[1])
&& !satisfies_constraint_L (operands[2])