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regmove.c (fixup_match_1): Undo last change which removed some "useless" code...

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* regmove.c (fixup_match_1): Undo last change which removed some
        "useless" code, and add a comment explaining this.

From-SVN: r17595
This commit is contained in:
Andreas Schwab 1998-02-02 10:23:22 +00:00 • committed by Jeff Law
parent e4b3de45ac
commit 1a56b81fe6
2 changed files with 10 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* regmove.c (fixup_match_1): Undo last change which removed some
"useless" code, and add a comment explaining this.
Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
* mips.c (mips_expand_prologue): Change uses of TARGET_64BIT

6
gcc/regmove.c
View file

@ -1216,7 +1216,11 @@ fixup_match_1 (insn, set, src, src_subreg, dst, backward, operand_number,
}
}
}
/* Don't remove this seemingly useless if, it is needed to pair with the
else in the next two conditionally included code blocks. */
if (0)
{;}
#if defined (HAVE_PRE_INCREMENT) || defined (HAVE_PRE_DECREMENT)
else if ((code == PLUS || code == MINUS) && insn_const
&& try_auto_increment (p, insn, 0, src, insn_const, 1))