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re PR c/7872 ([m68k]ICE on legal code, regression from 3.0 and 2.9*)

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* optabs.c (add_equal_note): Delete SUBREG_REG use.
	Fixes PR c/7872.

From-SVN: r63762
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James E Wilson 2003-03-03 20:25:51 -08:00 committed by Jim Wilson
parent 3bf2782272
commit f9d36a92e4
2 changed files with 7 additions and 4 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-03-03 James E Wilson <wilson@tuliptree.org>
* optabs.c (add_equal_note): Delete SUBREG_REG use.
Fixes PR c/7872.
2003-03-03 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300.md (*ixorsi3_ashift_16): New.

6
gcc/optabs.c
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@ -171,11 +171,9 @@ add_equal_note (insns, target, code, op0, op1)
return 1;
if (! rtx_equal_p (SET_DEST (set), target)
/* For a STRICT_LOW_PART, the REG_NOTE applies to what is inside the
SUBREG. */
/* For a STRICT_LOW_PART, the REG_NOTE applies to what is inside it. */
&& (GET_CODE (SET_DEST (set)) != STRICT_LOW_PART
|| ! rtx_equal_p (SUBREG_REG (XEXP (SET_DEST (set), 0)),
target)))
|| ! rtx_equal_p (XEXP (SET_DEST (set), 0), target)))
return 1;
/* If TARGET is in OP0 or OP1, check if anything in SEQ sets TARGET