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[Bug middle-end/25505] [4.0/4.1/4.2 Regression] gcc uses way too much stack space for this code
- From: "jakub at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Nov 2007 13:05:33 -0000
- Subject: [Bug middle-end/25505] [4.0/4.1/4.2 Regression] gcc uses way too much stack space for this code
- References: <bug-25505-6809@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #25 from jakub at gcc dot gnu dot org 2007-11-22 13:05 -------
Don't see the point of keeping this bug open for the trunk:
with g++ -O2 -m32 pr25505.ii from #c1 on ppc64-linux
g++ 3.2.3
sed -n 's/^[[:blank:]]*stwu 1,//p' pr25505.s | sort -nur
-16(1)
-32(1)
-48(1)
-64(1)
-80(1)
-96(1)
-128(1)
-192(1)
-320(1)
-336(1)
-384(1)
-512(1)
-592(1)
-688(1)
-7232(1)
g++ 4.1.2
sed -n 's/^[[:blank:]]*stwu 1,//p' pr25505.s | sort -nur
-16(1)
-32(1)
-48(1)
-64(1)
-80(1)
-96(1)
-112(1)
-128(1)
-224(1)
-272(1)
-320(1)
-336(1)
-352(1)
-432(1)
-1024(1)
-13168(1)
trunk
sed -n 's/^[[:blank:]]*stwu 1,//p' pr25505.s | sort -nur
-16(1)
-32(1)
-48(1)
-64(1)
-80(1)
-96(1)
-112(1)
-144(1)
-208(1)
-224(1)
-336(1)
-400(1)
-768(1)
--
jakub at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[4.0/4.1/4.2/4.3 Regression]|[4.0/4.1/4.2 Regression] gcc
|gcc uses way too much stack |uses way too much stack
|space for this code |space for this code
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25505