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[Bug target/42747] New: -mcpu=power7 (or -mvsx) does not generate the xssqrtdp instruction
- From: "meissner at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Jan 2010 16:59:20 -0000
- Subject: [Bug target/42747] New: -mcpu=power7 (or -mvsx) does not generate the xssqrtdp instruction
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
In doing the power7 work, I inadvertently disabled sqrtdf2 for power7, because
I didn't notice it was a define_insn instead of the define_expand and separate
define_insn as used by the other DF operations.
--
Summary: -mcpu=power7 (or -mvsx) does not generate the xssqrtdp
instruction
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Keywords: missed-optimization
Severity: normal
Priority: P3
Component: target
AssignedTo: meissner at gcc dot gnu dot org
ReportedBy: meissner at gcc dot gnu dot org
GCC build triplet: powerpc64-unknown-linux-gnu
GCC host triplet: powerpc64-unknown-linux-gnu
GCC target triplet: powerpc64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42747