http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49170
Summary: [4.7 regression] Several libstdc++ tests fail to link
on Solaris 8/9: cexp missing
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: tree-optimization
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: r...@gcc.gnu.org
CC: wschm...@gcc.gnu.org
Host: *-*-solaris2.[89]
Target: *-*-solaris2.[89]
Build: *-*-solaris2.[89]
Between 20110523 and 20110525, several libstdc++ tests fail to link on Solaris
8 and 9 (both SPARC and x86) that lacks cexp in libm:
FAIL: 26_numerics/complex/13450.cc (test for excess errors)
Excess errors:
Undefined first referenced
symbol in file
cexp /var/tmp//ccvyjKLM.o
cexpf /var/tmp//ccvyjKLM.o
cexpl /var/tmp//ccvyjKLM.o
ld: fatal: Symbol referencing errors. No output written to ./13450.exe
Comparing -save-temps output before and after the patch, I find no changes to
the .ii file, no calls to cexp before the patch, but calls after.
I very strongly suspect this patch:
2011-05-24 Bill Schmidt <wschm...@linux.vnet.ibm.com>
PR tree-optimization/46728
* tree-ssa-math-opts.c (powi_table): New.
(powi_lookup_cost): New.
(powi_cost): New.
(powi_as_mults_1): New.
(powi_as_mults): New.
(gimple_expand_builtin_powi): New.
(execute_cse_sincos): Add switch case for BUILT_IN_POWI.
(gate_cse_sincos): Remove sincos/cexp restriction.
Please fix.
Rainer
