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[AArch64] Fix bootstrap due to wide_int .elt (0) uninit warning 

* config/aarch64/aarch64.c (aarch64_float_const_representable_p):
    Use wide_int::ulow () instead of .elt (0).

From-SVN: r245877
This commit is contained in:
Kyrylo Tkachov 2017-03-03 16:32:01 +00:00 committed by Kyrylo Tkachov
parent c953fb88fe
commit d9074b2959
2 changed files with 6 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2017-03-03 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
* config/aarch64/aarch64.c (aarch64_float_const_representable_p):
Use wide_int::ulow () instead of .elt (0).
2017-03-03 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.md (*pushtf): Change *roF constraint to *roC.

2
gcc/config/aarch64/aarch64.c
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@ -12496,7 +12496,7 @@ aarch64_float_const_representable_p (rtx x)
/* If the low part of the mantissa has bits set we cannot represent
the value. */
if (w.elt (0) != 0)
if (w.ulow () != 0)
return false;
/* We have rejected the lower HOST_WIDE_INT, so update our
understanding of how many bits lie in the mantissa and