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mips.mips.md (zero_extendsidi2): Do not allow SP to appear in operands[1] if it is a MEM and TARGET_MIPS16 is active. 

* config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
	in operands[1] if it is a MEM and TARGET_MIPS16 is active.
	(zero_extendsidi2_dext): Likewise.

From-SVN: r246924
This commit is contained in:
Jeff Law 2017-04-13 23:13:19 -06:00 committed by Jeff Law
parent 67630cef4d
commit 1f33abd75d
2 changed files with 14 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-04-13 Jeff Law <law@redhat.com>
* config/mips.mips.md (zero_extendsidi2): Do not allow SP to appear
in operands[1] if it is a MEM and TARGET_MIPS16 is active.
(zero_extendsidi2_dext): Likewise.
2017-04-13 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/80403

10
gcc/config/mips/mips.md
View File

@ -3493,7 +3493,10 @@
(define_insn_and_split "*zero_extendsidi2"
[(set (match_operand:DI 0 "register_operand" "=d,d")
(zero_extend:DI (match_operand:SI 1 "nonimmediate_operand" "d,W")))]
"TARGET_64BIT && !ISA_HAS_EXT_INS"
"TARGET_64BIT && !ISA_HAS_EXT_INS
&& !(TARGET_MIPS16
&& MEM_P (operands[1])
&& reg_mentioned_p (stack_pointer_rtx, operands[1]))"
"@
#
lwu\t%0,%1"
@ -3509,7 +3512,10 @@
(define_insn "*zero_extendsidi2_dext"
[(set (match_operand:DI 0 "register_operand" "=d,d")
(zero_extend:DI (match_operand:SI 1 "nonimmediate_operand" "d,W")))]
"TARGET_64BIT && ISA_HAS_EXT_INS"
"TARGET_64BIT && ISA_HAS_EXT_INS
&& !(TARGET_MIPS16
&& MEM_P (operands[1])
&& reg_mentioned_p (stack_pointer_rtx, operands[1]))"
"@
dext\t%0,%1,0,32
lwu\t%0,%1"