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[Bug tree-optimization/21550] [4.0/4.1 Regression] i686 floating point performance 33% slower than gcc 3.4.3
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Oct 2005 22:25:04 -0000
- Subject: [Bug tree-optimization/21550] [4.0/4.1 Regression] i686 floating point performance 33% slower than gcc 3.4.3
- References: <bug-21550-4397@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from pinskia at gcc dot gnu dot org 2005-10-16 22:25 -------
This has been fixed in 4.1.0.
We no get:
.L4:
fldl (%edx,%eax,8)
faddl (%ebx,%eax,8)
fstpl (%edx,%eax,8)
incl %eax
cmpl %eax, %ecx
jne .L4
Likewise for all methods.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |FIXED
Target Milestone|4.0.3 |4.1.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21550