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flow.c (find_auto_inc): Verify that we've got a REG before peeking at its regno.

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* flow.c (find_auto_inc): Verify that we've got a REG before
        peeking at its regno.  Fail, don't abort if we can't find
        the increment of the desired register.

From-SVN: r35443
This commit is contained in:
Jeffrey A Law 2000-08-03 07:16:39 +00:00 committed by Jeff Law
parent 860cd40a95
commit 66ed03f845
2 changed files with 7 additions and 3 deletions
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4
gcc/ChangeLog
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@ -1,5 +1,9 @@
Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
* flow.c (find_auto_inc): Verify that we've got a REG before
peeking at its regno. Fail, don't abort if we can't find
the increment of the desired register.
* pa.md (shadd height reduction patterns/splitters): Remove.
2000-08-02 Jim Wilson <wilson@cygnus.com>

6
gcc/flow.c
View File

@ -5018,12 +5018,12 @@ find_auto_inc (pbi, x, insn)
if (GET_CODE (y) != PLUS)
return;
if (REGNO (XEXP (y, 0)) == REGNO (addr))
if (REG_P (XEXP (y, 0)) && REGNO (XEXP (y, 0)) == REGNO (addr))
inc_val = XEXP (y, 1);
else if (REGNO (XEXP (y, 1)) == REGNO (addr))
else if (REG_P (XEXP (y, 1)) && REGNO (XEXP (y, 1)) == REGNO (addr))
inc_val = XEXP (y, 0);
else
abort ();
return;
if (GET_CODE (inc_val) == CONST_INT)
{