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Fix struct rtx_const so veclo and vechi don't share storage. 

From-SVN: r56825
This commit is contained in:
Dale Johannesen 2002-09-04 23:59:56 +00:00 committed by Dale Johannesen
parent ed6cc1f5cb
commit f57f9cb867
2 changed files with 13 additions and 6 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2002-09-04 Dale Johannesen <dalej@apple.com>
* varasm.c (struct rtx_const, decode_rtx_const):
Make veclo and vechi fields not share storage.
Thu Sep 5 00:34:33 2002 J"orn Rennecke <joern.rennecke@superh.com>
* loop.c (scan_loop): Don't mark separate insns out of a libcall

14
gcc/varasm.c
View File

@ -2167,8 +2167,10 @@ struct rtx_const GTY(())
} GTY ((tag ("0"))) di;
/* The max vector size we have is 8 wide. This should be enough. */
HOST_WIDE_INT veclo[16];
HOST_WIDE_INT vechi[16];
struct rtx_const_vec {
HOST_WIDE_INT veclo;
HOST_WIDE_INT vechi;
} GTY ((tag ("2"))) vec[16];
} GTY ((desc ("%1.kind >= RTX_INT"), descbits ("1"))) un;
};
@ -2980,13 +2982,13 @@ decode_rtx_const (mode, x, value)
elt = CONST_VECTOR_ELT (x, i);
if (GET_MODE_CLASS (mode) == MODE_VECTOR_INT)
{
value->un.veclo[i] = (HOST_WIDE_INT) INTVAL (elt);
value->un.vechi[i] = 0;
value->un.vec[i].veclo = (HOST_WIDE_INT) INTVAL (elt);
value->un.vec[i].vechi = 0;
}
else if (GET_MODE_CLASS (mode) == MODE_VECTOR_FLOAT)
{
value->un.veclo[i] = (HOST_WIDE_INT) CONST_DOUBLE_LOW (elt);
value->un.vechi[i] = (HOST_WIDE_INT) CONST_DOUBLE_HIGH (elt);
value->un.vec[i].veclo = (HOST_WIDE_INT) CONST_DOUBLE_LOW (elt);
value->un.vec[i].vechi = (HOST_WIDE_INT) CONST_DOUBLE_HIGH (elt);
}
else
abort ();