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[Bug libc/3155] New: ppc32: __lrint(): illegal accesses below SP
- From: "jseward at acm dot org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 31 Aug 2006 01:44:08 -0000
- Subject: [Bug libc/3155] New: ppc32: __lrint(): illegal accesses below SP
- Reply-to: sourceware-bugzilla at sourceware dot org
>From a vanilla glibc-2.4 tarball:
sysdeps/powerpc/powerpc32/fpu/s_lrint.S accesses below r1.
This is not allowed by the ELF ppc32 ABI. (note the 32-bit
and 64-bit ABIs differ on this point; the same code is valid
in 64-bit mode.)
ENTRY (__lrint)
fctiw fp13,fp1
stfd fp13,-8(r1) <- *** HERE
nop
nop
nop
lwz r3,-4(r1) <- *** HERE
blr
END (__lrint)
--
Summary: ppc32: __lrint(): illegal accesses below SP
Product: glibc
Version: 2.4
Status: NEW
Severity: normal
Priority: P2
Component: libc
AssignedTo: drepper at redhat dot com
ReportedBy: jseward at acm dot org
CC: glibc-bugs at sources dot redhat dot com
GCC build triplet: powerpc32-unknown-linux
GCC host triplet: powerpc32-unknown-linux
GCC target triplet: powerpc32-unknown-linux
http://sourceware.org/bugzilla/show_bug.cgi?id=3155
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