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gcc/reload pass: don't eliminate %fp if (%sp)+ is present.

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For instructions such as "MOVE (%sp)+, x(%sp)", GCC gets the offset wrong.
This commit is contained in:
Wolfgang Thaller 2014-09-23 23:29:54 +02:00
parent cf2a08b7de
commit 1de00c3f09
1 changed files with 2 additions and 0 deletions
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2
gcc/gcc/reload1.c
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@ -3038,6 +3038,8 @@ elimination_effects (rtx x, enum machine_mode mem_mode)
else
ep->can_eliminate = 0;
}
if (code == POST_DEC || code == POST_INC)
ep->can_eliminate = 0;
}
/* These two aren't unary operators. */