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expmed.c (lowpart_bit_field_p): Add missing == 0 check.

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	* expmed.c (lowpart_bit_field_p): Add missing == 0 check.

From-SVN: r192772
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Richard Sandiford 2012-10-24 17:53:42 +00:00 committed by Richard Sandiford
parent 65875a301e
commit c1a4d0b580
2 changed files with 5 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,7 @@
2012-10-24 Richard Sandiford <rdsandiford@googlemail.com>
* expmed.c (lowpart_bit_field_p): Add missing == 0 check.
2012-10-24 Vladimir Makarov <vmakarov@redhat.com>
PR bootstrap/55049

2
gcc/expmed.c
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@ -402,7 +402,7 @@ lowpart_bit_field_p (unsigned HOST_WIDE_INT bitnum,
enum machine_mode struct_mode)
{
if (BYTES_BIG_ENDIAN)
return (bitnum % BITS_PER_UNIT
return (bitnum % BITS_PER_UNIT == 0
&& (bitnum + bitsize == GET_MODE_BITSIZE (struct_mode)
|| (bitnum + bitsize) % BITS_PER_WORD == 0));
else