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[Bug rtl-optimization/65220] [4.8/4.9/5 Regression] integer division in stack alignment for VLA allocation
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 26 Feb 2015 12:38:21 +0000
- Subject: [Bug rtl-optimization/65220] [4.8/4.9/5 Regression] integer division in stack alignment for VLA allocation
- Auto-submitted: auto-generated
- References: <bug-65220-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65220
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Known to work| |4.3.4
Version|unknown |5.0
Keywords| |missed-optimization
Last reconfirmed| |2015-02-26
Ever confirmed|0 |1
Summary|Regression: integer |[4.8/4.9/5 Regression]
|division in stack alignment |integer division in stack
|for VLA allocation |alignment for VLA
| |allocation
Target Milestone|--- |4.8.5
Known to fail| |4.7.4, 5.0
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
It's expansion of __builtin_alloca_with_align that produces the division.
Confirmed. I can confirm that with 4.3 there is no such division.