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alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used as pointers. 

Wed Sep  8 16:12:04 1999  Andrew Haley  <aph@cygnus.com>

        * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
        as pointers.

From-SVN: r29269
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Andrew Haley 1999-09-10 14:12:01 +00:00 committed by Andrew Haley
parent 0881d22348
commit a0d8bee96e
2 changed files with 9 additions and 0 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
* alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
as pointers.
Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
* i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some

4
gcc/alias.c
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@ -626,6 +626,10 @@ rtx_equal_for_memref_p (x, y)
return XSTR (x, 0) == XSTR (y, 0);
if (code == CONST_INT)
return INTVAL (x) == INTVAL (y);
/* There's no need to compare the contents of CONST_DOUBLEs because
they're unique. */
if (code == CONST_DOUBLE)
return 0;
if (code == ADDRESSOF)
return REGNO (XEXP (x, 0)) == REGNO (XEXP (y, 0)) && XINT (x, 1) == XINT (y, 1);