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[Bug target/18589] could optimize FP multiplies better
- 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: 21 Nov 2004 14:24:09 -0000
- Subject: [Bug target/18589] could optimize FP multiplies better
- References: <20041121092800.18589.debian-gcc@lists.debian.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-21 14:24 -------
Confirmed.
Actually the most optimial code would be:
mulsd %xmm1, %xmm0
mulsd %xmm0, %xmm0
mulsd %xmm0, %xmm0
aka
(foo*bar)^4
--
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
Status|UNCONFIRMED |NEW
Ever Confirmed| |1
Keywords| |missed-optimization
Last reconfirmed|0000-00-00 00:00:00 |2004-11-21 14:24:08
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18589